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Representing Information Models as RDF and OWL Vocabularies

by Gerd Wagner

How to represent information models as RDF and OWL vocabularies, and how to embed simple meta-data statements (annotations) in web documents.

Semantic Database: Concept, Architecture and Implementation

by Marc Clifton

No word has a value that can be identified independently of what else is in its vicinity.

Latest Articles

Representing Information Models as RDF and OWL Vocabularies

by Gerd Wagner

How to represent information models as RDF and OWL vocabularies, and how to embed simple meta-data statements (annotations) in web documents.

Semantic Database: Concept, Architecture and Implementation

by Marc Clifton

No word has a value that can be identified independently of what else is in its vicinity.

All Articles

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OWL

Source codes for agricultural (crop production) ontology

20 Dec 2017 by OriginalGriff

It doesn't quite work like that. We do not do your work for you. If you want someone to write your code, you have to pay - I suggest you go to Freelancer.com and ask there. But be aware: you get what you pay for. Pay peanuts, get monkeys. The idea of "development" is as the word suggests: "The...

OWL

PHP

Querying an OWL ontology

4 Apr 2015 by Khaldoon Al-Talib

Hello AllI am a newbie to Semantic Web, I am just trying to query an OWL ontology. I know how to query it using SPARQL through Jena Fuseki server and through Protege, but after a while I knew that SPARQL is not powerful and I want to use another query language like (SWRL or SPARQL-DL or...

OWL

Representing Information Models as RDF and OWL Vocabularies

16 Aug 2017 by Gerd Wagner

How to represent information models as RDF and OWL vocabularies, and how to embed simple meta-data statements (annotations) in web documents.

UML

OWL

RDF

What is the difference between OBQA ontology-based query answering and OBDA ontology-based data access?

13 Sep 2017 by Rawan Abo Zidan

i have a relational database and i want to access it using sparql,i want to build a system not to use the existing ones. so i read about Ontology based Data Access then i read about Ontology Based Query Answering,but i didn't know the difference between them,and i want to know the difference...

SQL

OWL

RDF

Pls help me on how can we integrate OWL protégé file to java netbeans

26 Jul 2022 by Richard MacCutchan

See Protege Wiki[^] for details on usage.

Semantic Database: Concept, Architecture and Implementation

25 Oct 2014 by Marc Clifton

No word has a value that can be identified independently of what else is in its vicinity.

how to extract triples from html page in php ?

23 May 2015 by Walaa Al-Showa

I have a html page and I want to extract rdf triples from page..and then build rdf file from this triples .. then linked it with dbpedia.. what is the best way to do that? thanks.

OWL

PHP

RDF

how to extract triples text in php ?

1 Jun 2015 by Walaa Al-Showa

I have a text .. I went to extract triples from text .. I use Stanford-NLP Library in php (agentile/PHP-Stanford-NLP) How can I extract triples(subject - object - predicate)?

OWL

PHP

Pls help me on how can we integrate OWL protégé file to java netbeans

26 Jul 2022 by Elsa kasaw

how can we integrate OWL Protégé file to Java Netbean What I have tried: pls help me on how can we integrate OWL Protégé file to Java NetBeans