Top "Protege" questions

Protégé is a free, open-source platform that provides a growing user community with a suite of tools to construct domain models and knowledge-based applications with ontologies.

SPARQL Querying multiple ORs in the same filter

Ok lets assume I have 5 datatype properties with integers as values. These properties are asserted to individuals belonging to class "…

rdf sparql semantic-web ontology protege
The best tool for visualizing ontologies?

I am looking to visualize ontologies for understanding and making others understand. I would prefer to have top-down hierarchy of …

visualization semantics rdf ontology protege
how can I recognize object properties vs datatype properties?

My ontology is book classification library. I have problems in this. I want to build a book classification ontology by …

ontology owl protege
OWL API, Jena API, Protege API, which one to use

I am trying to implement an eclipse based application working with ontologies. (My topic is semantic annotation). I will need …

jena owl protege owl-api
Defining DataRange Expression in Protege for a Data Type Property

I am adding few new DataType in the OWL using Protege. The DataType is like percentage and I want to …

rdf semantic-web owl protege custom-data-type
Meaning of OWL exact cardinality restrictions

I am a newbie coding with the Manchester syntax for OWL. I need to understand the role of exactly. Which …

owl protege manchester-syntax
SWRL tab in Protege 4

The protege SWRL tab is not available in Protege 4 versions, I have tried both protege 4.1 and protege 4.2. The axiome plugin …

semantics ontology owl protege swrl