I'm using Protege v4.3 for making ontologies. I have a question about OWL ontology and DL query. For instance, in the Pizza ontology, http://owl.cs.manchester.ac.uk/co-ode-files/ontologies/pizza.o...

My work is about library book of recommendation systems . that as input I need book Classification ontology . in my ontology classify library books. this classification has 14 categories, beside th...

My ontology is book classification library. I have problems in this. I want to build a book classification ontology by protégé 4.1, this classification has 14 categories, beside the sibling classe...

I am trying to implement an eclipse based application working with ontologies. (My topic is semantic annotation). I will need to display the ontology to the user (as a tree) and to establish ...

I used protege to create two ontology and I save as A.owl, B.owl. I know that the protege-4.0 can merge many ontology. I want to use protege-owl API to merge ontology A.owl and B.owl to C.owl; But ...

I just discovered OWL and Protege. Upon reading through this reference page (which I quote below), I am left wondering whether it is possible to not use the abstract OWL syntax, and rather to write...

I have a practical seminar this semester, and I want to use ontology on Android application. I choose Protege owl ontology as a ontology API and this tool worked in normal Java project. But when I...

I have been stuck for two days now trying to understand why the following scenario isn't working: screenshots here: http://dl.dropbox.com/u/4677548/screenshots.html I have a VegetarianFood class...

I am looking to visualize ontologies for understanding and making others understand. I would prefer to have top-down hierarchy of classes. I have used OntoGraph which comes with Protégé, but ...

Semantic Web: Best Practices I am new to Semantic Web, in my application, I'm using Protege,RDF,SPARQL,Jena,Virtuaso. My concern is, in popular Java Frameworks (like Hibernate), we have POJO layer...

I recently started working with ontologies and I am using Protege to build an ontology which I'd also like to use for automatically classifying strings. The following illustrates a very basic class...