owl Questions

6

How do I read .owl files in java and display its contents?
Defecate asked 29/7, 2010 at 16:6

3

Solved

I've been reading about semantic web technologies such as RDF and OWL, and am intrigued about the possibilities of building an RDF / triple-store semantic database on top of my existing relational ...
Shreve asked 20/7, 2012 at 19:39

1

Solved

Using the following query: PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> PREFIX owl: <http://www.w3.org/2002/07/owl#> PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#...
Margerymarget asked 20/4, 2015 at 19:5

1

Solved

Is it possible in protege (Thus in owl) to describe a class depending if it has some properties? For example I have a class Home, and I want to say that every instance that has property1 and prop...
Anglim asked 18/4, 2015 at 15:28

1

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I'm working on an ontology and I need to tell protege that one class x can only have the values y and z. I want something like: Vegetable rdf:type owl:Class; owl:oneOf (carrot corn). Must I e...
Stupe asked 17/1, 2015 at 22:19

1

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I am using protege 4.3 and pizza tutorial from 130.88.198.11/tutorials/protegeowltutorial/resources/ProtegeOWLTutorialP4_v1_3.pdf (href not working as the link has numeric domain) but there are lot...
Contemplative asked 10/10, 2014 at 18:9

6

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I am building an ontology-processing tool and need lots of examples of various owl ontologies, as people are building and using them in the real world. I'm not talking about foundational ontologies...
Sclerous asked 2/10, 2008 at 21:14

1

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I have created the ontology file in the Protege and save it in the RDF/XML format. It also contains the OWL tag. So, the ontology file created by Protege and saved as RDF/XML format are actually t...
Impede asked 18/6, 2014 at 14:23

3

Solved

What is the most pragmatic way to model opening hours of a service, so that SPARQL queries would be able to query things that are open at a certain timestamp/during a certain time interval? Answer...
Tacky asked 3/10, 2013 at 8:12

1

I am building an ontology using Protégé, but wan to extend it with other standard ontologies such as frbr, prov, and org. Is there a standard way to integrate our ontology with these standard ontol...
Idonah asked 17/6, 2014 at 9:30

1

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I would like to use the owl: prefix in the XML serialization of my RDF ontology (using rdflib version 4.1.1); unfortunately I'm still getting the serialization as rdf:Description tags. I have looke...
Draughty asked 3/6, 2014 at 14:6

1

Solved

I have modelled the following in my Ontology: Club employs some Player, Player hasNationality some Nationality, Player hasNationalStatus value National_Player, Country is equivalent to Nationality...
Hartill asked 1/4, 2014 at 17:5

1

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In my Ontology I have three classes, Player, Team, and Competition. I also have the two object properties, employs, and competesIn. The domain of employs is Team, and the range Player, the domain o...
Stowage asked 27/3, 2014 at 13:18

2

Solved

I try to move an ontology (*.owl file) into neo4j to do queries on it. I found some helpful information here but I am facing with issues in this line: Node thingNode = getOrCreateNodeWithUniqueFac...
Erlina asked 17/12, 2013 at 10:10

1

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If I have classes ABC and CDE defined as intersections of classes A,B,C,D,E as follows: <Class rdf:about="&blah;ABC"> <equivalentClass> <Class> <intersectionOf rdf:pars...
Shimkus asked 14/3, 2014 at 4:25

1

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I need to implement an OWL-ontology in Protégé, which contains a two classes: s1 and s2, both are the instances of System class. These two classes are connected by the connection class s1_s2, which...
Theorize asked 1/2, 2014 at 14:17

1

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When writing an ontology, there are several very commonly used types, including: DatatypeProperty ObjectProperty FunctionalProperty InverseFunctionalProperty The first three kinda look like the...
Aemia asked 31/1, 2014 at 18:56

1

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When writing an ontology and you want to create a class and property relating to a time/date, I assume that you'll have something structurally like this (psuedo code): class:Project label: Projec...
Imperative asked 31/1, 2014 at 17:27

1

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If you look at the OWL ontology definition, you'll see a bunch of class definitions. One of them is the following: owl:Nothing a owl:Class ; rdfs:label "Nothing" ; rdfs:comment "This is the empt...
Lyra asked 27/1, 2014 at 20:35

1

I have been playing with Neo4J to get a feel on how easy it is to work with related data. so far I have work with the Neo4J community browser to create nodes and build relationship between them. I...
Amphibious asked 17/1, 2014 at 21:3

1

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I want to map ontology from OWL into Neo4j database. I have found some example here. If I understand it well I need to create Java program with OWL API libraries included. I don't need any infere...
Subsume asked 12/12, 2013 at 13:16

2

What I'm currently using rdflib for creating and managing RDF graphs in Python. RDFlib doesn't do any RDFS or OWL reasoning, though. This leads to results like the following: If I have A rdf:...
Impractical asked 9/12, 2013 at 15:56

1

I have 2 properties, e.g. 'hasColor' and 'hasFinish'. I want to express with ontology that in case of ontology class A are properties 'hasColor' and 'hasFinish' equal (owl:equivalentProperty). But ...
Leoni asked 24/11, 2013 at 23:42

1

Solved

Is it possible to have a definition of an resource (from DBpedia) with a SPARQL query? I want to have something like the TBox and ABox that are shown in (Conceptual) Clustering methods for the Sema...
Primordium asked 28/10, 2013 at 11:1

10

Solved

What references offer a good summary/tutorial for using RDF/OWL? There seem to be enough tools (Protege, Topbraid, Jena, etc.) that knowing the syntax of the markup languages is not necessary...
Raid asked 30/9, 2008 at 23:41

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