├── README.md
├── ex-1.graphml
├── ex-1.rdf
├── ex-lit.graphml
├── ex-lit.rdf
├── graphml2owl.py
├── graphml2rdf.xsl
├── graphml2rdf_Principles.graphml
├── graphml2rdf_Principles.png
└── saxon9he.jar


/README.md:
--------------------------------------------------------------------------------
 1 | ## graphml/Entity Relationship to OWL
 2 | 
 3 | This python script takes as input a graphml file, produced with the yEd graph editor,
 4 | that contains 'Entity with Attributes' nodes and labelled edges. It translates it
 5 | into an OWL ontology in RDF/Turtle format.
 6 | 
 7 | The translation rules are:
 8 | 
 9 | - every 'Entity with Attributes' node with label C is transformed into a OWL class C
10 | - an edge with label 'subClassOf' from C to D ---> an axiom 
11 | 
12 |          :C rdfs:subClassOf :D
13 |          
14 | - an edge with label P from C to D ---> an axiom 
15 | 
16 |          :C rdfs:subClassOf [a owl:Restriction ; owl:onProperty :P ; owl:allValuesFrom :D]
17 |          
18 | - an edge with a label of the form 'P min 1' from C to D ---> an axiom 
19 | 
20 |          :C rdfs:subClassOf [a owl:Restriction ; owl:onProperty :P ; owl:someValuesFrom :D]
21 |  
22 |  - the second label (in the attribute box of the node) is considered as a comment. It yields
23 |  
24 |          :C rdfs:comment Text-of-the-attribute-box
25 |          
26 | ### Usage: 
27 | 
28 | $ python graphml2owl.py graphmlfile
29 | 
30 | The OWL ontology is written into graphmlfile_owl.ttl
31 | 
32 | !! requires python 3.7 (uses type annotations)
33 | 
34 | 
35 |      
36 | ## graphml2rdf: a Graphml to RDF translator
37 | 
38 | This xsl stylesheets transforms a graphml file produced by yEd using the Entity-Relationship elements into an RDF graph.
39 | 
40 | The graph must be composed of _Entity with Attributes_ or _Entity_ nodes (from the Entity-Relationship palette in yEd). For _Entity with Attributes_ nodes
41 | 
42 |   - the Entity field (top) must contain a class name (or empty)
43 |   - the Attributes field (bottom) must contain an instance name (or empty)
44 | 
45 | See the file _ex-1.graphml_ for an example.
46 | 
47 | _Entity_ nodes represent literal values. The node label must contain the value without quotes. Literal types are not supportent yet.
48 | 
49 | See the file _ex-lit.graphml_ for an example.
50 |   
51 | To run the transformation tool
52 | 
53 |   1. Download graphml2rdf.xsl and saxon9he.jar (the Saxon xml library)
54 |   2. Execute the following command:
55 | 
56 |     java -jar saxon9he.jar -xsl:graphml2rdf.xsl graphml-file > rdf-file
57 |    
58 | The output file is an RDF/XML file. It can be directly uploaded into a triple store.
59 | 
60 | #### Transformation principles
61 | 
62 |  ![transformation principles](graphml2rdf_Principles.png)
63 | 
64 | The instance names generate "local" URIs, based on the input file name.  Thus several generated RDF files can be uploaded to a repository without mixing up the instance names. The class names generate "global" URIs, independent of the source file. So the same class name appearing in different graphml graphs will generate the same URI. In this sense class names are global.
65 | 


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/ex-1.graphml:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
  2 | <graphml xmlns="http://graphml.graphdrawing.org/xmlns" xmlns:java="http://www.yworks.com/xml/yfiles-common/1.0/java" xmlns:sys="http://www.yworks.com/xml/yfiles-common/markup/primitives/2.0" xmlns:x="http://www.yworks.com/xml/yfiles-common/markup/2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:y="http://www.yworks.com/xml/graphml" xmlns:yed="http://www.yworks.com/xml/yed/3" xsi:schemaLocation="http://graphml.graphdrawing.org/xmlns http://www.yworks.com/xml/schema/graphml/1.1/ygraphml.xsd">
  3 |   <!--Created by yEd 3.14.4-->
  4 |   <key attr.name="Description" attr.type="string" for="graph" id="d0"/>
  5 |   <key for="port" id="d1" yfiles.type="portgraphics"/>
  6 |   <key for="port" id="d2" yfiles.type="portgeometry"/>
  7 |   <key for="port" id="d3" yfiles.type="portuserdata"/>
  8 |   <key attr.name="url" attr.type="string" for="node" id="d4"/>
  9 |   <key attr.name="description" attr.type="string" for="node" id="d5"/>
 10 |   <key for="node" id="d6" yfiles.type="nodegraphics"/>
 11 |   <key for="graphml" id="d7" yfiles.type="resources"/>
 12 |   <key attr.name="url" attr.type="string" for="edge" id="d8"/>
 13 |   <key attr.name="description" attr.type="string" for="edge" id="d9"/>
 14 |   <key for="edge" id="d10" yfiles.type="edgegraphics"/>
 15 |   <graph edgedefault="directed" id="G">
 16 |     <data key="d0"/>
 17 |     <node id="n0">
 18 |       <data key="d6">
 19 |         <y:GenericNode configuration="com.yworks.entityRelationship.big_entity">
 20 |           <y:Geometry height="65.43891402714931" width="117.37556561085972" x="179.3212669683258" y="73.5678733031674"/>
 21 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
 22 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
 23 |           <y:NodeLabel alignment="center" autoSizePolicy="content" backgroundColor="#B7C9E3" configuration="com.yworks.entityRelationship.label.name" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="18.1328125" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="109.826171875" x="3.774696867929862" y="4.0">VGI-Based System</y:NodeLabel>
 24 |           <y:NodeLabel alignment="left" autoSizePolicy="content" configuration="com.yworks.entityRelationship.label.attributes" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" textColor="#000000" visible="true" width="30.12109375" x="2.0" y="30.1328125">OSM<y:LabelModel>
 25 |               <y:ErdAttributesNodeLabelModel/>
 26 |             </y:LabelModel>
 27 |             <y:ModelParameter>
 28 |               <y:ErdAttributesNodeLabelModelParameter/>
 29 |             </y:ModelParameter>
 30 |           </y:NodeLabel>
 31 |           <y:StyleProperties>
 32 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
 33 |           </y:StyleProperties>
 34 |         </y:GenericNode>
 35 |       </data>
 36 |     </node>
 37 |     <node id="n1">
 38 |       <data key="d6">
 39 |         <y:GenericNode configuration="com.yworks.entityRelationship.big_entity">
 40 |           <y:Geometry height="56.0" width="132.0" x="188.95927601809984" y="-115.69683257918551"/>
 41 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
 42 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
 43 |           <y:NodeLabel alignment="center" autoSizePolicy="content" backgroundColor="#B7C9E3" configuration="com.yworks.entityRelationship.label.name" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="18.1328125" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="129.337890625" x="1.3310546875" y="4.0">Geometry Acquisition</y:NodeLabel>
 44 |           <y:NodeLabel alignment="left" autoSizePolicy="content" configuration="com.yworks.entityRelationship.label.attributes" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" textColor="#000000" visible="true" width="25.697265625" x="2.0" y="30.1328125">ga1<y:LabelModel>
 45 |               <y:ErdAttributesNodeLabelModel/>
 46 |             </y:LabelModel>
 47 |             <y:ModelParameter>
 48 |               <y:ErdAttributesNodeLabelModelParameter/>
 49 |             </y:ModelParameter>
 50 |           </y:NodeLabel>
 51 |           <y:StyleProperties>
 52 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
 53 |           </y:StyleProperties>
 54 |         </y:GenericNode>
 55 |       </data>
 56 |     </node>
 57 |     <node id="n2">
 58 |       <data key="d6">
 59 |         <y:GenericNode configuration="com.yworks.entityRelationship.big_entity">
 60 |           <y:Geometry height="56.0" width="132.0" x="595.6666666666665" y="-124.86877828054298"/>
 61 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
 62 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
 63 |           <y:NodeLabel alignment="center" autoSizePolicy="content" backgroundColor="#B7C9E3" configuration="com.yworks.entityRelationship.label.name" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="18.1328125" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="113.974609375" x="9.0126953125" y="4.0">Desktop Computer</y:NodeLabel>
 64 |           <y:NodeLabel alignment="left" autoSizePolicy="content" configuration="com.yworks.entityRelationship.label.attributes" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" hasText="false" height="4.0" modelName="custom" textColor="#000000" visible="true" width="4.0" x="2.0" y="30.1328125">
 65 |             <y:LabelModel>
 66 |               <y:ErdAttributesNodeLabelModel/>
 67 |             </y:LabelModel>
 68 |             <y:ModelParameter>
 69 |               <y:ErdAttributesNodeLabelModelParameter/>
 70 |             </y:ModelParameter>
 71 |           </y:NodeLabel>
 72 |           <y:StyleProperties>
 73 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
 74 |           </y:StyleProperties>
 75 |         </y:GenericNode>
 76 |       </data>
 77 |     </node>
 78 |     <node id="n3">
 79 |       <data key="d6">
 80 |         <y:GenericNode configuration="com.yworks.entityRelationship.big_entity">
 81 |           <y:Geometry height="56.0" width="132.0" x="394.83257918552096" y="-17.0"/>
 82 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
 83 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
 84 |           <y:NodeLabel alignment="center" autoSizePolicy="content" backgroundColor="#B7C9E3" configuration="com.yworks.entityRelationship.label.name" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="18.1328125" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="124.861328125" x="3.5693359375" y="4.0">Attribute Acquisition</y:NodeLabel>
 85 |           <y:NodeLabel alignment="left" autoSizePolicy="content" configuration="com.yworks.entityRelationship.label.attributes" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" textColor="#000000" visible="true" width="24.841796875" x="2.0" y="30.1328125">aa1<y:LabelModel>
 86 |               <y:ErdAttributesNodeLabelModel/>
 87 |             </y:LabelModel>
 88 |             <y:ModelParameter>
 89 |               <y:ErdAttributesNodeLabelModelParameter/>
 90 |             </y:ModelParameter>
 91 |           </y:NodeLabel>
 92 |           <y:StyleProperties>
 93 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
 94 |           </y:StyleProperties>
 95 |         </y:GenericNode>
 96 |       </data>
 97 |     </node>
 98 |     <node id="n4">
 99 |       <data key="d6">
100 |         <y:GenericNode configuration="com.yworks.entityRelationship.big_entity">
101 |           <y:Geometry height="56.0" width="132.0" x="741.3665158371053" y="52.315610859728494"/>
102 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
103 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
104 |           <y:NodeLabel alignment="center" autoSizePolicy="content" backgroundColor="#B7C9E3" configuration="com.yworks.entityRelationship.label.name" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="18.1328125" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="85.2578125" x="23.37109375" y="4.0">Map Browsing</y:NodeLabel>
105 |           <y:NodeLabel alignment="left" autoSizePolicy="content" configuration="com.yworks.entityRelationship.label.attributes" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" hasText="false" height="4.0" modelName="custom" textColor="#000000" visible="true" width="4.0" x="2.0" y="30.1328125">
106 |             <y:LabelModel>
107 |               <y:ErdAttributesNodeLabelModel/>
108 |             </y:LabelModel>
109 |             <y:ModelParameter>
110 |               <y:ErdAttributesNodeLabelModelParameter/>
111 |             </y:ModelParameter>
112 |           </y:NodeLabel>
113 |           <y:StyleProperties>
114 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
115 |           </y:StyleProperties>
116 |         </y:GenericNode>
117 |       </data>
118 |     </node>
119 |     <node id="n5">
120 |       <data key="d6">
121 |         <y:GenericNode configuration="com.yworks.entityRelationship.big_entity">
122 |           <y:Geometry height="56.0" width="132.0" x="533.6742081447986" y="213.49999999999997"/>
123 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
124 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
125 |           <y:NodeLabel alignment="center" autoSizePolicy="content" backgroundColor="#B7C9E3" configuration="com.yworks.entityRelationship.label.name" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="18.1328125" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="101.171875" x="15.4140625" y="4.0">Data Description</y:NodeLabel>
126 |           <y:NodeLabel alignment="left" autoSizePolicy="content" configuration="com.yworks.entityRelationship.label.attributes" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" textColor="#000000" visible="true" width="26.693359375" x="2.0" y="30.1328125">dd1<y:LabelModel>
127 |               <y:ErdAttributesNodeLabelModel/>
128 |             </y:LabelModel>
129 |             <y:ModelParameter>
130 |               <y:ErdAttributesNodeLabelModelParameter/>
131 |             </y:ModelParameter>
132 |           </y:NodeLabel>
133 |           <y:StyleProperties>
134 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
135 |           </y:StyleProperties>
136 |         </y:GenericNode>
137 |       </data>
138 |     </node>
139 |     <node id="n6">
140 |       <data key="d6">
141 |         <y:GenericNode configuration="com.yworks.entityRelationship.big_entity">
142 |           <y:Geometry height="56.0" width="132.0" x="79.21266968326236" y="236.23529411764707"/>
143 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
144 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
145 |           <y:NodeLabel alignment="center" autoSizePolicy="content" backgroundColor="#B7C9E3" configuration="com.yworks.entityRelationship.label.name" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="18.1328125" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="116.828125" x="7.5859375" y="4.0">Geographic Entities</y:NodeLabel>
146 |           <y:NodeLabel alignment="left" autoSizePolicy="content" configuration="com.yworks.entityRelationship.label.attributes" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" hasText="false" height="4.0" modelName="custom" textColor="#000000" visible="true" width="4.0" x="2.0" y="30.1328125">
147 |             <y:LabelModel>
148 |               <y:ErdAttributesNodeLabelModel/>
149 |             </y:LabelModel>
150 |             <y:ModelParameter>
151 |               <y:ErdAttributesNodeLabelModelParameter/>
152 |             </y:ModelParameter>
153 |           </y:NodeLabel>
154 |           <y:StyleProperties>
155 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
156 |           </y:StyleProperties>
157 |         </y:GenericNode>
158 |       </data>
159 |     </node>
160 |     <node id="n7">
161 |       <data key="d6">
162 |         <y:GenericNode configuration="com.yworks.entityRelationship.big_entity">
163 |           <y:Geometry height="56.0" width="132.0" x="73.45701357466953" y="365.7647058823529"/>
164 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
165 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
166 |           <y:NodeLabel alignment="center" autoSizePolicy="content" backgroundColor="#B7C9E3" configuration="com.yworks.entityRelationship.label.name" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="18.1328125" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="60.28515625" x="35.857421875" y="4.0">Geometry</y:NodeLabel>
167 |           <y:NodeLabel alignment="left" autoSizePolicy="content" configuration="com.yworks.entityRelationship.label.attributes" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" hasText="false" height="4.0" modelName="custom" textColor="#000000" visible="true" width="4.0" x="2.0" y="30.1328125">
168 |             <y:LabelModel>
169 |               <y:ErdAttributesNodeLabelModel/>
170 |             </y:LabelModel>
171 |             <y:ModelParameter>
172 |               <y:ErdAttributesNodeLabelModelParameter/>
173 |             </y:ModelParameter>
174 |           </y:NodeLabel>
175 |           <y:StyleProperties>
176 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
177 |           </y:StyleProperties>
178 |         </y:GenericNode>
179 |       </data>
180 |     </node>
181 |     <node id="n8">
182 |       <data key="d6">
183 |         <y:GenericNode configuration="com.yworks.entityRelationship.big_entity">
184 |           <y:Geometry height="56.0" width="132.0" x="329.7058823529412" y="390.0"/>
185 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
186 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
187 |           <y:NodeLabel alignment="center" autoSizePolicy="content" backgroundColor="#B7C9E3" configuration="com.yworks.entityRelationship.label.name" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="18.1328125" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="120.26171875" x="5.869140625" y="4.0">Attribute-Value Pair</y:NodeLabel>
188 |           <y:NodeLabel alignment="left" autoSizePolicy="content" configuration="com.yworks.entityRelationship.label.attributes" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" hasText="false" height="4.0" modelName="custom" textColor="#000000" visible="true" width="4.0" x="2.0" y="30.1328125">
189 |             <y:LabelModel>
190 |               <y:ErdAttributesNodeLabelModel/>
191 |             </y:LabelModel>
192 |             <y:ModelParameter>
193 |               <y:ErdAttributesNodeLabelModelParameter/>
194 |             </y:ModelParameter>
195 |           </y:NodeLabel>
196 |           <y:StyleProperties>
197 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
198 |           </y:StyleProperties>
199 |         </y:GenericNode>
200 |       </data>
201 |     </node>
202 |     <node id="n9">
203 |       <data key="d6">
204 |         <y:GenericNode configuration="com.yworks.entityRelationship.big_entity">
205 |           <y:Geometry height="56.0" width="132.0" x="749.4751131221742" y="208.21719457013575"/>
206 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
207 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
208 |           <y:NodeLabel alignment="center" autoSizePolicy="content" backgroundColor="#B7C9E3" configuration="com.yworks.entityRelationship.label.name" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" height="18.1328125" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="74.1953125" x="28.90234375" y="4.0">Smartphone</y:NodeLabel>
209 |           <y:NodeLabel alignment="left" autoSizePolicy="content" configuration="com.yworks.entityRelationship.label.attributes" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" hasText="false" height="4.0" modelName="custom" textColor="#000000" visible="true" width="4.0" x="2.0" y="30.1328125">
210 |             <y:LabelModel>
211 |               <y:ErdAttributesNodeLabelModel/>
212 |             </y:LabelModel>
213 |             <y:ModelParameter>
214 |               <y:ErdAttributesNodeLabelModelParameter/>
215 |             </y:ModelParameter>
216 |           </y:NodeLabel>
217 |           <y:StyleProperties>
218 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
219 |           </y:StyleProperties>
220 |         </y:GenericNode>
221 |       </data>
222 |     </node>
223 |     <node id="n10">
224 |       <data key="d6">
225 |         <y:GenericNode configuration="com.yworks.entityRelationship.big_entity">
226 |           <y:Geometry height="56.0" width="132.0" x="59.5" y="519.9773755656108"/>
227 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
228 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
229 |           <y:NodeLabel alignment="center" autoSizePolicy="content" backgroundColor="#B7C9E3" configuration="com.yworks.entityRelationship.label.name" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" hasText="false" height="4.0" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="4.0" x="64.0" y="4.0"/>
230 |           <y:NodeLabel alignment="left" autoSizePolicy="content" configuration="com.yworks.entityRelationship.label.attributes" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" textColor="#000000" visible="true" width="62.376953125" x="2.0" y="16.0">Sentiment<y:LabelModel>
231 |               <y:ErdAttributesNodeLabelModel/>
232 |             </y:LabelModel>
233 |             <y:ModelParameter>
234 |               <y:ErdAttributesNodeLabelModelParameter/>
235 |             </y:ModelParameter>
236 |           </y:NodeLabel>
237 |           <y:StyleProperties>
238 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
239 |           </y:StyleProperties>
240 |         </y:GenericNode>
241 |       </data>
242 |     </node>
243 |     <node id="n11">
244 |       <data key="d6">
245 |         <y:GenericNode configuration="com.yworks.entityRelationship.big_entity">
246 |           <y:Geometry height="31.454751131221883" width="132.0" x="271.1809954751131" y="619.6380090497735"/>
247 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
248 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
249 |           <y:NodeLabel alignment="center" autoSizePolicy="content" backgroundColor="#B7C9E3" configuration="com.yworks.entityRelationship.label.name" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasLineColor="false" hasText="false" height="4.0" modelName="internal" modelPosition="t" textColor="#000000" visible="true" width="4.0" x="64.0" y="4.0"/>
250 |           <y:NodeLabel alignment="left" autoSizePolicy="content" configuration="com.yworks.entityRelationship.label.attributes" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" hasText="false" height="4.0" modelName="custom" textColor="#000000" visible="true" width="4.0" x="2.0" y="16.0">
251 |             <y:LabelModel>
252 |               <y:ErdAttributesNodeLabelModel/>
253 |             </y:LabelModel>
254 |             <y:ModelParameter>
255 |               <y:ErdAttributesNodeLabelModelParameter/>
256 |             </y:ModelParameter>
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586 |             <y:ModelParameter>
587 |               <y:SmartEdgeLabelModelParameter angle="0.0" distance="30.0" distanceToCenter="true" position="right" ratio="0.5" segment="0"/>
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591 |         </y:SplineEdge>
592 |       </data>
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639 |     </edge>
640 |   </graph>
641 |   <data key="d7">
642 |     <y:Resources/>
643 |   </data>
644 | </graphml>
645 | 


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  2 | 
  3 | 
  4 | <rdf:Description rdf:about="ex-1/OSM"> 
  5 | 
  6 |           <rdf:type rdf:resource="VGI-Based_System"/> 
  7 | 
  8 |        <rdfs:label>OSM</rdfs:label></rdf:Description> 
  9 | 
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 11 | 
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 13 | 
 14 |        <rdfs:label>ga1</rdfs:label></rdf:Description> 
 15 | 
 16 | <rdf:Description rdf:about="ex-1/instance_n2"> 
 17 | 
 18 |           <rdf:type rdf:resource="Desktop_Computer"/> 
 19 | 
 20 |        <rdfs:label>instance_n2</rdfs:label></rdf:Description> 
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 27 | 
 28 | <rdf:Description rdf:about="ex-1/instance_n4"> 
 29 | 
 30 |           <rdf:type rdf:resource="Map_Browsing"/> 
 31 | 
 32 |        <rdfs:label>instance_n4</rdfs:label></rdf:Description> 
 33 | 
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 35 | 
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 41 | 
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 43 | 
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 47 | 
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 50 |        <rdfs:label>instance_n7</rdfs:label></rdf:Description> 
 51 | 
 52 | <rdf:Description rdf:about="ex-1/instance_n8"> 
 53 | 
 54 |           <rdf:type rdf:resource="Attribute-Value_Pair"/> 
 55 | 
 56 |        <rdfs:label>instance_n8</rdfs:label></rdf:Description> 
 57 | 
 58 | <rdf:Description rdf:about="ex-1/instance_n9"> 
 59 | 
 60 |           <rdf:type rdf:resource="Smartphone"/> 
 61 | 
 62 |        <rdfs:label>instance_n9</rdfs:label></rdf:Description> 
 63 | 
 64 | <rdf:Description rdf:about="ex-1/Sentiment"> 
 65 | 
 66 |        <rdfs:label>Sentiment</rdfs:label></rdf:Description> 
 67 | 
 68 | <rdf:Description rdf:about="ex-1/intance_n11"> 
 69 | 
 70 |        <rdfs:label>intance_n11</rdfs:label></rdf:Description> 
 71 | 
 72 | <rdf:Description rdf:about="ex-1/Vienna_Sentiment_Map"> 
 73 | 
 74 |           <rdf:type rdf:resource="VGI-Based_System"/> 
 75 | 
 76 |        <rdfs:label>Vienna Sentiment Map</rdfs:label></rdf:Description> 
 77 | 
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 79 | 
 80 |        <rdf:Description rdf:about="ex-1/OSM"><userTask rdf:resource="ex-1/aa1"/></rdf:Description> 
 81 | 
 82 |        <rdf:Description rdf:about="ex-1/OSM"><hasData rdf:resource="ex-1/dd1"/></rdf:Description> 
 83 | 
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 87 | 
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 93 | 
 94 |        <rdf:Description rdf:about="ex-1/OSM"><userTask rdf:resource="ex-1/instance_n4"/></rdf:Description> 
 95 | 
 96 |        <rdf:Description rdf:about="ex-1/ga1"><equipment rdf:resource="ex-1/instance_n2"/></rdf:Description> 
 97 | 
 98 |        <rdf:Description rdf:about="ex-1/Vienna_Sentiment_Map"><sensingEquipment rdf:resource="ex-1/instance_n9"/></rdf:Description> 
 99 | 
100 |        <rdf:Description rdf:about="ex-1/aa1"><equipment rdf:resource="ex-1/instance_n2"/></rdf:Description> 
101 | 
102 |        <rdf:Description rdf:about="ex-1/instance_n4"><equipment rdf:resource="ex-1/instance_n2"/></rdf:Description> 
103 | 
104 |        <rdf:Description rdf:about="ex-1/instance_n4"><equipment rdf:resource="ex-1/instance_n9"/></rdf:Description></rdf:RDF>
105 | 


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186 |           <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
187 |           <y:LineStyle color="#000000" type="line" width="1.0"/>
188 |           <y:Arrows source="none" target="standard"/>
189 |           <y:EdgeLabel alignment="center" configuration="AutoFlippingLabel" distance="2.0" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" preferredPlacement="anywhere" ratio="0.5" textColor="#000000" visible="true" width="32.763671875" x="67.626953125" y="37.388607230351056">price<y:LabelModel>
190 |               <y:SmartEdgeLabelModel autoRotationEnabled="false" defaultAngle="0.0" defaultDistance="10.0"/>
191 |             </y:LabelModel>
192 |             <y:ModelParameter>
193 |               <y:SmartEdgeLabelModelParameter angle="0.0" distance="30.0" distanceToCenter="true" position="right" ratio="0.5" segment="0"/>
194 |             </y:ModelParameter>
195 |             <y:PreferredPlacementDescriptor angle="0.0" angleOffsetOnRightSide="0" angleReference="absolute" angleRotationOnRightSide="co" distance="-1.0" frozen="true" placement="anywhere" side="anywhere" sideReference="relative_to_edge_flow"/>
196 |           </y:EdgeLabel>
197 |         </y:SplineEdge>
198 |       </data>
199 |     </edge>
200 |     <edge id="e1" source="n0" target="n1">
201 |       <data key="d9"/>
202 |       <data key="d10">
203 |         <y:PolyLineEdge>
204 |           <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
205 |           <y:LineStyle color="#000000" type="line" width="1.0"/>
206 |           <y:Arrows source="none" target="standard"/>
207 |           <y:EdgeLabel alignment="center" configuration="AutoFlippingLabel" distance="2.0" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" preferredPlacement="anywhere" ratio="0.5" textColor="#000000" visible="true" width="39.66015625" x="-32.02694028540378" y="68.4232177734375">owner<y:LabelModel>
208 |               <y:SmartEdgeLabelModel autoRotationEnabled="false" defaultAngle="0.0" defaultDistance="10.0"/>
209 |             </y:LabelModel>
210 |             <y:ModelParameter>
211 |               <y:SmartEdgeLabelModelParameter angle="0.0" distance="30.0" distanceToCenter="true" position="right" ratio="0.5" segment="0"/>
212 |             </y:ModelParameter>
213 |             <y:PreferredPlacementDescriptor angle="0.0" angleOffsetOnRightSide="0" angleReference="absolute" angleRotationOnRightSide="co" distance="-1.0" frozen="true" placement="anywhere" side="anywhere" sideReference="relative_to_edge_flow"/>
214 |           </y:EdgeLabel>
215 |           <y:BendStyle smoothed="false"/>
216 |         </y:PolyLineEdge>
217 |       </data>
218 |     </edge>
219 |     <edge id="e2" source="n0" target="n3">
220 |       <data key="d9"/>
221 |       <data key="d10">
222 |         <y:PolyLineEdge>
223 |           <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
224 |           <y:LineStyle color="#000000" type="line" width="1.0"/>
225 |           <y:Arrows source="none" target="standard"/>
226 |           <y:EdgeLabel alignment="center" configuration="AutoFlippingLabel" distance="2.0" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" preferredPlacement="anywhere" ratio="0.5" textColor="#000000" visible="true" width="33.267578125" x="83.82686621297034" y="-76.1845514750423">color<y:LabelModel>
227 |               <y:SmartEdgeLabelModel autoRotationEnabled="false" defaultAngle="0.0" defaultDistance="10.0"/>
228 |             </y:LabelModel>
229 |             <y:ModelParameter>
230 |               <y:SmartEdgeLabelModelParameter angle="0.0" distance="30.0" distanceToCenter="true" position="left" ratio="0.593642571271514" segment="-1"/>
231 |             </y:ModelParameter>
232 |             <y:PreferredPlacementDescriptor angle="0.0" angleOffsetOnRightSide="0" angleReference="absolute" angleRotationOnRightSide="co" distance="-1.0" frozen="true" placement="anywhere" side="anywhere" sideReference="relative_to_edge_flow"/>
233 |           </y:EdgeLabel>
234 |           <y:BendStyle smoothed="false"/>
235 |         </y:PolyLineEdge>
236 |       </data>
237 |     </edge>
238 |     <edge id="e3" source="n2" target="n3">
239 |       <data key="d9"/>
240 |       <data key="d10">
241 |         <y:PolyLineEdge>
242 |           <y:Path sx="0.0" sy="0.0" tx="25.0" ty="8.0"/>
243 |           <y:LineStyle color="#000000" type="line" width="1.0"/>
244 |           <y:Arrows source="none" target="standard"/>
245 |           <y:EdgeLabel alignment="center" configuration="AutoFlippingLabel" distance="2.0" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" preferredPlacement="anywhere" ratio="0.5" textColor="#000000" visible="true" width="33.267578125" x="-79.87834980417745" y="-69.06514157026407">color<y:LabelModel>
246 |               <y:SmartEdgeLabelModel autoRotationEnabled="false" defaultAngle="0.0" defaultDistance="10.0"/>
247 |             </y:LabelModel>
248 |             <y:ModelParameter>
249 |               <y:SmartEdgeLabelModelParameter angle="0.0" distance="30.0" distanceToCenter="true" position="right" ratio="0.5" segment="0"/>
250 |             </y:ModelParameter>
251 |             <y:PreferredPlacementDescriptor angle="0.0" angleOffsetOnRightSide="0" angleReference="absolute" angleRotationOnRightSide="co" distance="-1.0" frozen="true" placement="anywhere" side="anywhere" sideReference="relative_to_edge_flow"/>
252 |           </y:EdgeLabel>
253 |           <y:BendStyle smoothed="false"/>
254 |         </y:PolyLineEdge>
255 |       </data>
256 |     </edge>
257 |     <edge id="e4" source="n0" target="n5">
258 |       <data key="d9"/>
259 |       <data key="d10">
260 |         <y:PolyLineEdge>
261 |           <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
262 |           <y:LineStyle color="#000000" type="line" width="1.0"/>
263 |           <y:Arrows source="none" target="standard"/>
264 |           <y:EdgeLabel alignment="center" configuration="AutoFlippingLabel" distance="2.0" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" preferredPlacement="anywhere" ratio="0.5" textColor="#000000" visible="true" width="42.818359375" x="45.091926922729726" y="74.91485226451442">weight<y:LabelModel>
265 |               <y:SmartEdgeLabelModel autoRotationEnabled="false" defaultAngle="0.0" defaultDistance="10.0"/>
266 |             </y:LabelModel>
267 |             <y:ModelParameter>
268 |               <y:SmartEdgeLabelModelParameter angle="0.0" distance="30.0" distanceToCenter="true" position="right" ratio="0.5" segment="0"/>
269 |             </y:ModelParameter>
270 |             <y:PreferredPlacementDescriptor angle="0.0" angleOffsetOnRightSide="0" angleReference="absolute" angleRotationOnRightSide="co" distance="-1.0" frozen="true" placement="anywhere" side="anywhere" sideReference="relative_to_edge_flow"/>
271 |           </y:EdgeLabel>
272 |           <y:BendStyle smoothed="false"/>
273 |         </y:PolyLineEdge>
274 |       </data>
275 |     </edge>
276 |     <edge id="e5" source="n5" target="n6">
277 |       <data key="d9"/>
278 |       <data key="d10">
279 |         <y:PolyLineEdge>
280 |           <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
281 |           <y:LineStyle color="#000000" type="line" width="1.0"/>
282 |           <y:Arrows source="none" target="standard"/>
283 |           <y:EdgeLabel alignment="center" configuration="AutoFlippingLabel" distance="2.0" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" preferredPlacement="anywhere" ratio="0.5" textColor="#000000" visible="true" width="26.8515625" x="63.87754355715265" y="7.835785170112672">unit<y:LabelModel>
284 |               <y:SmartEdgeLabelModel autoRotationEnabled="false" defaultAngle="0.0" defaultDistance="10.0"/>
285 |             </y:LabelModel>
286 |             <y:ModelParameter>
287 |               <y:SmartEdgeLabelModelParameter angle="0.0" distance="30.0" distanceToCenter="true" position="right" ratio="0.5" segment="0"/>
288 |             </y:ModelParameter>
289 |             <y:PreferredPlacementDescriptor angle="0.0" angleOffsetOnRightSide="0" angleReference="absolute" angleRotationOnRightSide="co" distance="-1.0" frozen="true" placement="anywhere" side="anywhere" sideReference="relative_to_edge_flow"/>
290 |           </y:EdgeLabel>
291 |           <y:BendStyle smoothed="false"/>
292 |         </y:PolyLineEdge>
293 |       </data>
294 |     </edge>
295 |     <edge id="e6" source="n5" target="n7">
296 |       <data key="d9"/>
297 |       <data key="d10">
298 |         <y:PolyLineEdge>
299 |           <y:Path sx="0.0" sy="0.0" tx="0.0" ty="0.0"/>
300 |           <y:LineStyle color="#000000" type="line" width="1.0"/>
301 |           <y:Arrows source="none" target="standard"/>
302 |           <y:EdgeLabel alignment="center" configuration="AutoFlippingLabel" distance="2.0" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" preferredPlacement="anywhere" ratio="0.5" textColor="#000000" visible="true" width="34.439453125" x="28.7687859584683" y="36.34736404600585">value<y:LabelModel>
303 |               <y:SmartEdgeLabelModel autoRotationEnabled="false" defaultAngle="0.0" defaultDistance="10.0"/>
304 |             </y:LabelModel>
305 |             <y:ModelParameter>
306 |               <y:SmartEdgeLabelModelParameter angle="0.0" distance="30.0" distanceToCenter="true" position="right" ratio="0.5" segment="0"/>
307 |             </y:ModelParameter>
308 |             <y:PreferredPlacementDescriptor angle="0.0" angleOffsetOnRightSide="0" angleReference="absolute" angleRotationOnRightSide="co" distance="-1.0" frozen="true" placement="anywhere" side="anywhere" sideReference="relative_to_edge_flow"/>
309 |           </y:EdgeLabel>
310 |           <y:BendStyle smoothed="false"/>
311 |         </y:PolyLineEdge>
312 |       </data>
313 |     </edge>
314 |   </graph>
315 |   <data key="d7">
316 |     <y:Resources/>
317 |   </data>
318 | </graphml>
319 | 


--------------------------------------------------------------------------------
/ex-lit.rdf:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <rdf:RDF xmlns="http://vgibox.eu/"
 3 |          xmlns:java="http://www.yworks.com/xml/yfiles-common/1.0/java"
 4 |          xmlns:sys="http://www.yworks.com/xml/yfiles-common/markup/primitives/2.0"
 5 |          xmlns:x="http://www.yworks.com/xml/yfiles-common/markup/2.0"
 6 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 7 |          xmlns:y="http://www.yworks.com/xml/graphml"
 8 |          xmlns:yed="http://www.yworks.com/xml/yed/3"
 9 |          xmlns:def="http://graphml.graphdrawing.org/xmlns"
10 |          xmlns:xs="http://www.w3.org/2001/XMLSchema"
11 |          xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
12 |          xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
13 |          xml:base="http://vgibox.eu/"> 
14 | 
15 |    <rdf:Description rdf:about="ex-lit/my_phone">
16 |       <rdf:type rdf:resource="Phone"/>
17 |       <rdfs:label>my phone</rdfs:label>
18 |    </rdf:Description> 
19 | 
20 |    <rdf:Description rdf:about="ex-lit/me">
21 |       <rdf:type rdf:resource="Person"/>
22 |       <rdfs:label>me</rdfs:label>
23 |    </rdf:Description> 
24 | 
25 |    <rdf:Description rdf:about="ex-lit/another_phone">
26 |       <rdf:type rdf:resource="Phone"/>
27 |       <rdfs:label>another phone</rdfs:label>
28 |    </rdf:Description> 
29 | 
30 |    <rdf:Description rdf:about="ex-lit/instance_n5">
31 |       <rdfs:label>instance_n5</rdfs:label>
32 |    </rdf:Description> 
33 | 
34 |    <rdf:Description rdf:about="ex-lit/my_phone">
35 |       <price>45</price>
36 |    </rdf:Description> 
37 | 
38 |    <rdf:Description rdf:about="ex-lit/my_phone">
39 |       <owner rdf:resource="ex-lit/me"/>
40 |    </rdf:Description> 
41 | 
42 |    <rdf:Description rdf:about="ex-lit/my_phone">
43 |       <color>white</color>
44 |    </rdf:Description> 
45 | 
46 |    <rdf:Description rdf:about="ex-lit/another_phone">
47 |       <color>white</color>
48 |    </rdf:Description> 
49 | 
50 |    <rdf:Description rdf:about="ex-lit/my_phone">
51 |       <weight rdf:resource="ex-lit/instance_n5"/>
52 |    </rdf:Description> 
53 | 
54 |    <rdf:Description rdf:about="ex-lit/instance_n5">
55 |       <unit>Kg</unit>
56 |    </rdf:Description> 
57 | 
58 |    <rdf:Description rdf:about="ex-lit/instance_n5">
59 |       <value>0.125</value>
60 |    </rdf:Description>
61 | </rdf:RDF>
62 | 


--------------------------------------------------------------------------------
/graphml2owl.py:
--------------------------------------------------------------------------------
  1 | """graphml/Entity Relationship to OWL
  2 | 
  3 | Usage: 
  4 | 
  5 | $ python graphml2owl.py graphmlfile
  6 | 
  7 | The OWL ontology is written into graphmlfile_owl.ttl
  8 | 
  9 | !! requires python 3.7 (uses type annotations)
 10 |  
 11 | This scripts takes as input a graphml file produced with the yEd graph editor
 12 | that contains 'Entity with Attributes' nodes and labelled edges. It translates it
 13 | into an OWL ontology in RDF/Turtle format.
 14 | 
 15 | The translation rules are:
 16 | 
 17 | - every 'Entity with Attributes' node with label C is transformed into a OWL class C
 18 | - an edge with label 'subClassOf' from C to D ---> an axiom :C rdfs:subClassOf :D
 19 | - an edge with label P from C to D ---> an axiom 
 20 |      :C rdfs:subClassOf [a owl:Restriction ; owl:onProperty :P ; owl:allValuesFrom :D]
 21 | - an edge with a label of the form 'P min 1' from C to D ---> an axiom 
 22 |      :C rdfs:subClassOf [a owl:Restriction ; owl:onProperty :P ; owl:someValuesFrom :D]
 23 | 
 24 | G. Falquet 2019
 25 | 
 26 | """
 27 | import xml.etree.ElementTree as ET
 28 | import re
 29 | import sys
 30 | import urllib.parse
 31 | from typing import List, FrozenSet, Dict
 32 | 
 33 | # usage = python graphml2owl.py -o file.graphml -p URIprefix
 34 | if len(sys.argv) < 2 :
 35 |     sys.exit("Usage: python graphml2owl.py graphml-file [-o ontoloy-file] [-p ontoURI]")
 36 | ifileName = sys.argv[1]
 37 | ofileName = sys.argv[1]+".ttl"
 38 | ontoURI = "http://a.ontology/myonto"
 39 | i = 2
 40 | imax = len(sys.argv)
 41 | while i < imax:
 42 |     ar = sys.argv[i]
 43 |     if ar == "-o" :
 44 |         i = i+1
 45 |         if i < imax :
 46 |             ofileName = sys.argv[i]
 47 |         else:
 48 |             print("-o ignored")
 49 |     elif ar == "-p" :
 50 |         i = i+1
 51 |         if i < imax :
 52 |             ontoURI = sys.argv[i]
 53 |         else:
 54 |             print("-p ignored")
 55 |     i = i+1
 56 | 
 57 | print('Output to '+ofileName)
 58 | sys.stdout = open(ofileName, 'w')
 59 | 
 60 | ns = {'g': 'http://graphml.graphdrawing.org/xmlns',
 61 |       'x': 'http://www.yworks.com/xml/yfiles-common/markup/2.0',
 62 |       'y': 'http://www.yworks.com/xml/graphml'}
 63 | 
 64 | root: ET.Element = ET.parse(ifileName).getroot()
 65 | 
 66 | print(f"""
 67 | @prefix : <{ontoURI}#> .
 68 | @prefix dct: <http://purl.org/dc/terms/> .
 69 | @prefix owl: <http://www.w3.org/2002/07/owl#> .
 70 | @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 71 | @prefix xml: <http://www.w3.org/XML/1998/namespace> .
 72 | @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 73 | @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 74 | @prefix skos: <http://www.w3.org/2004/02/skos/core#> .
 75 | 
 76 | @base <{ontoURI}> .
 77 | """)
 78 | 
 79 | print(f"""
 80 | <{ontoURI}> rdf:type owl:Ontology .
 81 | 
 82 | """)
 83 | 
 84 | classNames: FrozenSet[str] = frozenset()
 85 | classNameOfNode: Dict[str, str] = {}
 86 | annotationOfClass: Dict[str, str] = {}
 87 | 
 88 | for n in root.findall('.//g:node',ns):
 89 |     nodeLabels: List[ET.Element] = n.findall('./g:data/y:GenericNode[@configuration="com.yworks.entityRelationship.big_entity"]/y:NodeLabel',ns)
 90 |     
 91 |     if len(nodeLabels) > 0 :
 92 |         clsLabel: ET.Element = nodeLabels[0]
 93 |         nodeId = n.get('id')
 94 |         clsName = clsLabel.text
 95 |         if clsName is None : clsName = "noName"
 96 |         if clsName == "" : clsName = "noName"
 97 |         clsName = re.sub(r'[^a-z^A-Z^0-9^-^:]', '_', clsName)
 98 |         classNames = classNames.union({clsName})
 99 |         classNameOfNode[nodeId] = clsName
100 |         if len(nodeLabels) > 1 :
101 |             annotLabel = nodeLabels[1]
102 |             if annotLabel.text.strip() != "" :
103 |                 annotationOfClass[clsName] = annotLabel.text
104 |         # print(clsName, nodeId)
105 | 
106 | print()
107 | print("# Classes")
108 | print()
109 | for c in classNames : 
110 |     print(":"+c+"  a  owl:Class  .")
111 |     if c in annotationOfClass : print('   :'+c+'  rdfs:comment """'+annotationOfClass[c]+'"""  .')
112 | 
113 | 
114 | print()
115 | print("# Axioms and Properties")
116 | print()
117 | 
118 | propNames: FrozenSet[str] = frozenset()
119 | 
120 | for e in root.findall('.//g:edge',ns) :
121 |    src = e.get("source")
122 |    tgt = e.get("target")
123 |    edgeLabel: ET.Element = e.find(".//y:EdgeLabel",ns)
124 |    label = "UNDEF_Property"
125 | 
126 |    if edgeLabel != None : label = edgeLabel.text 
127 | 
128 |    # restrictionType = 'owl:minQualifiedCardinality "0"^^xsd:nonNegativeInteger ; owl:onClass'
129 |    # replaced 'owl:allValuesFrom'
130 |    restrictionType = 'owl:allValuesFrom'
131 |    #  edge labels of the form 'propertyName min 1' 
132 |    if len(re.findall(r' min 1$', label)) > 0 :
133 |        label = re.sub(r' min 1$', '', label)
134 |        restrictionType = 'owl:someValuesFrom'
135 | 
136 |    label = re.sub(r'[^a-z^A-Z^0-9^-^:]', '_', label)
137 |    #new property name
138 |    if (label not in propNames ) :
139 |        print(":"+label+"  a  owl:ObjectProperty .")
140 |        propNames = propNames.union({label})
141 |    
142 |    if ((src in classNameOfNode ) and (tgt in classNameOfNode)) :
143 |         if (label.lower() == "subclassof") :
144 |             print(":"+classNameOfNode[src]+"  rdfs:subClassOf  :"+classNameOfNode[tgt]+"  .")
145 |         else :
146 |             print(":"+classNameOfNode[src]+"  rdfs:subClassOf  ")
147 |             print("       [a owl:Restriction ; owl:onProperty :"+label+" ; "+restrictionType+"  :"+classNameOfNode[tgt]+"]  .")
148 |            
149 |    else :
150 |         print("## edge between non-class nodes: "+label)
151 | 
152 | sys.stdout.flush()
153 | sys.stdout.close()
154 | 


--------------------------------------------------------------------------------
/graphml2rdf.xsl:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0"?>
  2 | <xsl:stylesheet    
  3 | xmlns="http://vgibox.eu/"
  4 |   
  5 | xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  6 | xmlns:java="http://www.yworks.com/xml/yfiles-common/1.0/java" 
  7 | xmlns:sys="http://www.yworks.com/xml/yfiles-common/markup/primitives/2.0" 
  8 | xmlns:x="http://www.yworks.com/xml/yfiles-common/markup/2.0" 
  9 | xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
 10 | xmlns:y="http://www.yworks.com/xml/graphml" 
 11 | xmlns:yed="http://www.yworks.com/xml/yed/3" 
 12 | 
 13 | xmlns:def="http://graphml.graphdrawing.org/xmlns" 
 14 | 
 15 | xmlns:xs="http://www.w3.org/2001/XMLSchema" 
 16 | 
 17 | xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
 18 | xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
 19 |          
 20 | version="2.0"> 
 21 | 
 22 | <!-- 
 23 |     Transform a graphml/ER graph into an RDF graph
 24 |     
 25 |     G. Falquet, 2015
 26 | -->
 27 | 
 28 | <xsl:output indent="yes"/>
 29 | 
 30 | 
 31 | <!-- take as prefix the last element of the base uri, i.e. the xml filename -->
 32 | <xsl:param name="prefix" as="xs:string"><xsl:value-of select="substring-before(def:last-part(base-uri()),'.graphml')"/></xsl:param>
 33 | 
 34 | <xsl:function name="def:last-part" as="xs:string">
 35 |   <xsl:param name="uri" as="xs:string"/>
 36 |   <xsl:sequence  
 37 |      select="if (contains($uri, '/'))
 38 |              then def:last-part(substring-after($uri, '/'))
 39 |              else $uri"/>
 40 | </xsl:function>
 41 | 
 42 | 
 43 | <!-- output namespace -->
 44 | 
 45 | <xsl:param name="outns" as="xs:string">http://vgibox.eu/onto</xsl:param>
 46 | 
 47 | 
 48 | <xsl:template match="/"> 
 49 |    <rdf:RDF
 50 |       xml:base="http://vgibox.eu/"
 51 |    >
 52 |      <xsl:apply-templates /> 
 53 |    </rdf:RDF>
 54 | </xsl:template>
 55 | 
 56 | <!-- ====================================
 57 |      Nodes
 58 | ======================================= -->
 59 | 
 60 | <xsl:template match="def:node[def:data/y:GenericNode[@configuration='com.yworks.entityRelationship.big_entity']]"> 
 61 |      <xsl:variable name="cname" select="normalize-space(.//y:NodeLabel[@configuration='com.yworks.entityRelationship.label.name'])"/>
 62 |      <xsl:variable name="cnameNoWS" select="replace($cname,' ','_')"/>
 63 |      <xsl:variable name="iname" select="normalize-space(.//y:NodeLabel[@configuration='com.yworks.entityRelationship.label.attributes'])"/> 
 64 | <xsl:text> 
 65 | 
 66 | </xsl:text>
 67 | 
 68 |        <rdf:Description>
 69 | 		   <xsl:attribute name="rdf:about" ><xsl:call-template name="node-id"><xsl:with-param name="nid" select="@id" /></xsl:call-template></xsl:attribute>
 70 | 	   
 71 | 		   <!-- Class names is present, generate an rdf:type triple -->
 72 |    
 73 | 		   <xsl:if test="$cname != ''">
 74 | 			  <rdf:type> <xsl:attribute name="rdf:resource"><xsl:value-of select="$cnameNoWS"/></xsl:attribute></rdf:type>	 
 75 | 		   </xsl:if>  
 76 |    
 77 | 		   <!-- Generate a label -->
 78 | 		   <rdfs:label><xsl:call-template name="node-name"><xsl:with-param name="nid" select="@id" /></xsl:call-template> </rdfs:label>
 79 |        
 80 |        </rdf:Description>
 81 |    
 82 |    
 83 | 
 84 | </xsl:template>
 85 | 
 86 | <xsl:template match="text()"> 
 87 | </xsl:template>
 88 | 
 89 | 
 90 | <!-- 
 91 | =================================================
 92 |                Node-name
 93 | ================================================== 
 94 | 
 95 | Principle: 
 96 |   (class name, instance name) -> instance name
 97 |   (class name, <empty>) -> node id
 98 |   (<empty>, instance name) -> instance name
 99 |   (<empty>, <empty>) -> node id
100 |   
101 | -->
102 | 
103 | <xsl:template name="node-name">
104 |   <xsl:param name="nid" /> 
105 |   <xsl:variable name="cname" 
106 |     select="normalize-space(//def:node[@id=$nid]//y:NodeLabel[@configuration='com.yworks.entityRelationship.label.name'])"/>
107 |   <xsl:variable name="iname" select="normalize-space(//def:node[@id=$nid]//y:NodeLabel[@configuration='com.yworks.entityRelationship.label.attributes'])"/>
108 |   <xsl:variable name="lit-name" 
109 |     select="normalize-space(//def:node[@id=$nid]//y:GenericNode[@configuration='com.yworks.entityRelationship.small_entity']/y:NodeLabel)"/>
110 |   <xsl:choose>
111 |      <xsl:when test="$lit-name != ''">
112 |         <xsl:value-of select="concat('isLiteral---',$lit-name)"/>
113 |      </xsl:when>
114 |      <xsl:when test="$cname != ''">
115 |         <xsl:if test="$iname != ''"><xsl:value-of select="$iname"/>
116 |         </xsl:if>
117 |         <xsl:if test="$iname = ''"><xsl:value-of select="concat('intance_',$nid)"/>
118 |         </xsl:if>
119 |      </xsl:when>
120 |      <xsl:otherwise>
121 |         <xsl:if test="$iname = ''">
122 |             <xsl:value-of select="concat('instance_',$nid)"/>
123 |         </xsl:if>
124 |         <xsl:if test="$iname != ''">
125 |             <xsl:value-of select="$iname"/>
126 |         </xsl:if>
127 |      </xsl:otherwise>
128 |   </xsl:choose>
129 | </xsl:template>
130 | 
131 | <!--
132 | ===============================
133 |            Node id
134 | ===============================
135 | -->
136 | <xsl:template name="node-id">
137 |   <xsl:param name="nid" />
138 |   <xsl:variable name="nn"><xsl:call-template name="node-name"><xsl:with-param name="nid" select="$nid" /></xsl:call-template> </xsl:variable>
139 |   <xsl:variable name="nprefix"><xsl:value-of select="substring(//def:node[@id=$nid]//y:GenericNode/y:Geometry/@x,1,4)"/>-<xsl:value-of select="substring(//def:node[@id=$nid]//y:GenericNode/y:Geometry/@y,1,4)"/></xsl:variable>
140 | 
141 |   <xsl:value-of select="concat($prefix,'/',translate($nn,' ?','__'))"/>
142 | </xsl:template>  
143 | 
144 | <!--=================== 
145 |           Edge 
146 |    =====================
147 | -->
148 | <xsl:template match="def:edge">
149 |   
150 |   <xsl:variable name="pname"  select="normalize-space(.//y:EdgeLabel)"/>
151 |   <xsl:variable name="pid"  select="translate($pname,' ?','__')"/>
152 |   
153 |   <xsl:if test="$pid != ''">
154 | <xsl:text> 
155 | 
156 | </xsl:text>
157 |        <xsl:variable name="targ-id"><xsl:call-template name="node-name"><xsl:with-param name="nid" select="@target" /></xsl:call-template></xsl:variable>
158 |        
159 |        <rdf:Description>
160 |          <xsl:attribute name="rdf:about" ><xsl:call-template name="node-id"><xsl:with-param name="nid" select="@source" /></xsl:call-template></xsl:attribute>
161 |      
162 |          <xsl:element name="{$pid}" >
163 |             <xsl:choose>
164 |                <xsl:when test="starts-with($targ-id,'isLiteral---')"><xsl:value-of select="substring-after($targ-id,'isLiteral---')"/></xsl:when>
165 |                <xsl:otherwise>
166 |                <xsl:attribute name="rdf:resource" ><xsl:call-template name="node-id"><xsl:with-param name="nid" select="@target" /></xsl:call-template></xsl:attribute>
167 |                </xsl:otherwise>
168 |             </xsl:choose>
169 |          </xsl:element> 
170 |          
171 |        </rdf:Description>
172 |   
173 |       <xsl:if test="$pname != $pid">
174 | <xsl:text> 
175 | 
176 | </xsl:text>
177 |          <rdf:Description>
178 |             <xsl:attribute name="rdf:about" ><xsl:value-of select="$pid"/></xsl:attribute>
179 |             <rdfs:label><xsl:value-of select="$pname"/></rdfs:label>
180 |           </rdf:Description> 
181 |        </xsl:if>
182 |   </xsl:if>
183 | </xsl:template>
184 | 
185 | 
186 | </xsl:stylesheet>


--------------------------------------------------------------------------------
/graphml2rdf_Principles.graphml:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
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  4 |   <key attr.name="Description" attr.type="string" for="graph" id="d0"/>
  5 |   <key for="port" id="d1" yfiles.type="portgraphics"/>
  6 |   <key for="port" id="d2" yfiles.type="portgeometry"/>
  7 |   <key for="port" id="d3" yfiles.type="portuserdata"/>
  8 |   <key attr.name="url" attr.type="string" for="node" id="d4"/>
  9 |   <key attr.name="description" attr.type="string" for="node" id="d5"/>
 10 |   <key for="node" id="d6" yfiles.type="nodegraphics"/>
 11 |   <key for="graphml" id="d7" yfiles.type="resources"/>
 12 |   <key attr.name="url" attr.type="string" for="edge" id="d8"/>
 13 |   <key attr.name="description" attr.type="string" for="edge" id="d9"/>
 14 |   <key for="edge" id="d10" yfiles.type="edgegraphics"/>
 15 |   <graph edgedefault="directed" id="G">
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 17 |     <node id="n0">
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 21 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
 22 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
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 24 |           <y:NodeLabel alignment="left" autoSizePolicy="content" configuration="com.yworks.entityRelationship.label.attributes" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" textColor="#000000" visible="true" width="89.59375" x="2.0" y="30.1328125">Instance Name<y:LabelModel>
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 26 |             </y:LabelModel>
 27 |             <y:ModelParameter>
 28 |               <y:ErdAttributesNodeLabelModelParameter/>
 29 |             </y:ModelParameter>
 30 |           </y:NodeLabel>
 31 |           <y:StyleProperties>
 32 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
 33 |           </y:StyleProperties>
 34 |         </y:GenericNode>
 35 |       </data>
 36 |     </node>
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 42 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
 43 |           <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" textColor="#000000" visible="true" width="252.115234375" x="31.4423828125" y="5.93359375">http://vgibox.eu/filename/Instance_Name<y:LabelModel>
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 48 |             </y:ModelParameter>
 49 |           </y:NodeLabel>
 50 |           <y:Shape type="ellipse"/>
 51 |         </y:ShapeNode>
 52 |       </data>
 53 |     </node>
 54 |     <node id="n2">
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 56 |         <y:ShapeNode>
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 58 |           <y:Fill hasColor="false" transparent="false"/>
 59 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
 60 |           <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" textColor="#000000" visible="true" width="98.55859375" x="25.220703125" y="5.93359375">"Instance Name"<y:LabelModel>
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 62 |             </y:LabelModel>
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 66 |           </y:NodeLabel>
 67 |           <y:Shape type="rectangle"/>
 68 |         </y:ShapeNode>
 69 |       </data>
 70 |     </node>
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 73 |         <y:ShapeNode>
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 75 |           <y:Fill hasColor="false" transparent="false"/>
 76 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
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 80 |             <y:ModelParameter>
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 82 |             </y:ModelParameter>
 83 |           </y:NodeLabel>
 84 |           <y:Shape type="ellipse"/>
 85 |         </y:ShapeNode>
 86 |       </data>
 87 |     </node>
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 92 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
 93 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
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 96 |             <y:LabelModel>
 97 |               <y:ErdAttributesNodeLabelModel/>
 98 |             </y:LabelModel>
 99 |             <y:ModelParameter>
100 |               <y:ErdAttributesNodeLabelModelParameter/>
101 |             </y:ModelParameter>
102 |           </y:NodeLabel>
103 |           <y:StyleProperties>
104 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
105 |           </y:StyleProperties>
106 |         </y:GenericNode>
107 |       </data>
108 |     </node>
109 |     <node id="n5">
110 |       <data key="d6">
111 |         <y:ShapeNode>
112 |           <y:Geometry height="30.0" width="315.0" x="275.0" y="291.0"/>
113 |           <y:Fill hasColor="false" transparent="false"/>
114 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
115 |           <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" textColor="#000000" visible="true" width="265.767578125" x="24.6162109375" y="5.93359375">http://vgibox.eu/filename/instance_node-id<y:LabelModel>
116 |               <y:SmartNodeLabelModel distance="4.0"/>
117 |             </y:LabelModel>
118 |             <y:ModelParameter>
119 |               <y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.0" nodeRatioX="0.0" nodeRatioY="0.0" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/>
120 |             </y:ModelParameter>
121 |           </y:NodeLabel>
122 |           <y:Shape type="ellipse"/>
123 |         </y:ShapeNode>
124 |       </data>
125 |     </node>
126 |     <node id="n6">
127 |       <data key="d6">
128 |         <y:ShapeNode>
129 |           <y:Geometry height="30.0" width="149.0" x="612.0" y="189.0"/>
130 |           <y:Fill hasColor="false" transparent="false"/>
131 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
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133 |               <y:SmartNodeLabelModel distance="4.0"/>
134 |             </y:LabelModel>
135 |             <y:ModelParameter>
136 |               <y:SmartNodeLabelModelParameter labelRatioX="0.0" labelRatioY="0.0" nodeRatioX="0.0" nodeRatioY="0.0" offsetX="0.0" offsetY="0.0" upX="0.0" upY="-1.0"/>
137 |             </y:ModelParameter>
138 |           </y:NodeLabel>
139 |           <y:Shape type="rectangle"/>
140 |         </y:ShapeNode>
141 |       </data>
142 |     </node>
143 |     <node id="n7">
144 |       <data key="d6">
145 |         <y:GenericNode configuration="com.yworks.entityRelationship.big_entity">
146 |           <y:Geometry height="68.0" width="121.0" x="33.0" y="348.0"/>
147 |           <y:Fill color="#E8EEF7" color2="#B7C9E3" transparent="false"/>
148 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
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151 |               <y:ErdAttributesNodeLabelModel/>
152 |             </y:LabelModel>
153 |             <y:ModelParameter>
154 |               <y:ErdAttributesNodeLabelModelParameter/>
155 |             </y:ModelParameter>
156 |           </y:NodeLabel>
157 |           <y:StyleProperties>
158 |             <y:Property class="java.lang.Boolean" name="y.view.ShadowNodePainter.SHADOW_PAINTING" value="true"/>
159 |           </y:StyleProperties>
160 |         </y:GenericNode>
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162 |     </node>
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167 |           <y:Fill hasColor="false" transparent="false"/>
168 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
169 |           <y:NodeLabel alignment="center" autoSizePolicy="content" fontFamily="Dialog" fontSize="12" fontStyle="plain" hasBackgroundColor="false" hasLineColor="false" height="18.1328125" modelName="custom" textColor="#000000" visible="true" width="225.6953125" x="44.65234375" y="5.93359375">http://vgibox.eu/filename/Any_Name<y:LabelModel>
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171 |             </y:LabelModel>
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175 |           </y:NodeLabel>
176 |           <y:Shape type="ellipse"/>
177 |         </y:ShapeNode>
178 |       </data>
179 |     </node>
180 |     <node id="n9">
181 |       <data key="d6">
182 |         <y:ShapeNode>
183 |           <y:Geometry height="30.0" width="149.0" x="612.0" y="336.0"/>
184 |           <y:Fill hasColor="false" transparent="false"/>
185 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
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192 |           </y:NodeLabel>
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207 |             </y:LabelModel>
208 |             <y:ModelParameter>
209 |               <y:ErdAttributesNodeLabelModelParameter/>
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211 |           </y:NodeLabel>
212 |           <y:StyleProperties>
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256 |           <y:Fill hasColor="false" transparent="false"/>
257 |           <y:BorderStyle color="#000000" type="line" width="1.0"/>
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265 |           <y:Shape type="ellipse"/>
266 |         </y:ShapeNode>
267 |       </data>
268 |     </node>
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271 |         <y:ShapeNode>
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