jena ontology api

Posted by laknath27 on Stack Overflow See other posts from Stack Overflow or by laknath27
Published on 2010-06-08T05:46:17Z Indexed on 2010/06/08 5:52 UTC
Read the original article Hit count: 502

Filed under:

sparql

|

ontology

|

jena

|

protege

i'm new to jena and protege.i did some stuff with these. i have some problems::

1) Do i need to use sparql query to get the ontology classes,subclasses,property and values? or can do it with owl-api? can u show me the way? 2) how to get the data property values? 3) how to i load the ontology that define in my local machine and access the classes ?

thanks:::

© Stack Overflow or respective owner

Related posts about sparql

Understanding what SPARQL is

as seen on Stack Overflow - Search for 'Stack Overflow'
This is a terribly beginner series of questions, but after reading through a good 30 SPARQL tutorials I can't seem to wrap my head around what SPARQL is or how to begin using it. Is it executed on the client side? Is microsoft somehow going to be able to mess this up? Can you use a common relational… >>> More
UTF-8 formatting in SPARQL

as seen on Stack Overflow - Search for 'Stack Overflow'
How can I "say" to SPARQL that ?churchname is in UTF-8 formatting? because response is like:PraÅ¾skÃ½ hrad PREFIX lgv: <http://linkedgeodata.org/vocabulary#> PREFIX abc: <http://dbpedia.org/class/yago/> SELECT ?churchname WHERE { <http://dbpedia.org/resource/Prague> geo:geometry… >>> More
Exact matching of strings in SPARQL?

as seen on Stack Overflow - Search for 'Stack Overflow'
I have this query. It match anything which has "South in its Name". But I only want the one whose foaf:name exactly matches "South" SELECT Distinct ?TypeLabel Where { ?a foaf:name "South". ?a rdf:type ?Type. ?Type rdfs:label ?TypeLabel. } >>> More
How to display sparql query result in the formatted html table

as seen on Stack Overflow - Search for 'Stack Overflow'
How can I display the result of my sparql query into html table?. Any idea? >>> More
Problem with a select SPARQL query on dbpedia

as seen on Stack Overflow - Search for 'Stack Overflow'
At http://dbpedia.org/sparql/ I want to select something like this: SELECT ?hostCity WHERE { <http://dbpedia.org/resource/Lisbon> <http://dbpedia.org/ontology/hostCity> ?hostCity . } Do you know, where is a problem? >>> More

Related posts about ontology

Best approach to convert XML to RDF/XML using an ontology

as seen on Stack Overflow - Search for 'Stack Overflow'
I have an XML which uses the XPDL standard (which has an XML schema). What I'm trying to do now is to convert its content to RDF format (serialized in XML), in terms of a certain ontology. Clearly, there needs to be some sort of mapping here. I would like to do this using PHP. The thing is, I have… >>> More
Are ontology storage engines slower than RDMBS systems?

as seen on Stack Overflow - Search for 'Stack Overflow'
My intuition says that ontology engines like Triplestore or Seseme are going to be slower than a DB, but is that really the case? What is it that would make them so much slower? >>> More
Classes / instances in Ontology

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi, I'm trying to comprehend ontology basics. Here's an example: car (class) 2009 VW CC (sub-class or instance?) My neighbor's 2009 VW CC (instance) My issue is understanding what is "2009 VW CC" (as a car model). If you're making product model a sub-class in the ontology - all of a sudden your… >>> More
how to use camera ontology in ROWLEX

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi I'm mot sure if I'm doing this wrong or not I don't know if I am supposed to add other ontologies If not, what can I do to get a camera ontology working please? Thanks >>> More
Natural language processing and semantic

as seen on Stack Overflow - Search for 'Stack Overflow'
i would like know how to identify the semantic of the user input in NLP. i made a ontology make a relationship.there are 3 categories in my ontology... accommodation, culture,location.i faced some problem with this, how to redirect the user input into the specific area of the ontology? eg: input… >>> More