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ROO is an (OWL) ontology construction tool based on Protégé 4. ROO makes the ontology building process easier as it provides guidance about the steps involved and it allows to enter knowledge using an easy to learn controlled natural language.
*** IMPORTANT NOTICE ***
The source code of the earliest version of LODE is now available at
http://www.github.com/essepuntato/LODE
Even if the SourceForge repository is still active, it concerns old versions of the tool and it is not maintained anymore.
*** SERVICE DESCRIPTION ***
LODE is a service that extracts axioms and annotations from an OWL ontology, and renders them as ordered lists, together with their textual definitions, in a human-readable HTML page designed for...
The “RDB2RDF Mapper” is a Java based software desktop application which allows a user to create a mapping file between a relational database and an RDFS/OWL ontology via a graphical user interface. This project is ANDS-funded.
DB2RDF is a a software tool that will convert data from relational data model to semantic data model (in the form of RDF and RDFS). A SPARQL endpoint for querying the converted data. For querying the semantic data, SPARQL query language is used.