The Semantic Puzzle

Andreas Blumauer

PoolParty: SKOS is the basis for Enterprise Knowledge Graphs

The latest release of PoolParty Thesaurus Server offers a comfortable GUI to extend SKOS thesauri by other RDF schemas in order to create highly linkable knowledge graphs which now can be deployed into a Virtuoso RDF database.

In its core, PoolPartyWeb based ontology manager which can serve as a central hub for your knowledge organization. With PoolParty you can organize and maintain knowledge models based on widely accepted specifications like RDF, SPARQL and SKOS. is built upon SKOSSimple Knowledge Organization System (SKOS) is a family of formal languages designed for representation of thesauri, classification schemes, taxonomies, subject-heading systems, or any other type of structured controlled vocabulary. SKOS is built upon RDF and RDFS, and its main objective is to ..., W3CThe World Wide Web Consortium (W3C) is the main international standards organization for the World Wide Web (abbreviated WWW or W3).Founded and currently led by Tim Berners-Lee, the consortium is made up of member organizations which maintain full-time staff for the purpose of working together ...’s standard to define controlled vocabularies like taxonomies or thesauri. However, the latest release 3.2.2 of the well known Thesaurus Software offers a highly flexible RDF schema editor to introduce either widely accepted schemas like FOAFhttp://www.foaf-project.org/ or SIOC or even individual ones, customized to one’s own needs.

“This extension of PoolParty offers new options to our clients to create highly expressive knowledge graphs. Custom schemas can also be used to make links between differing enterprise vocabularies. One the other hand we have taken care not to overload the PoolParty user interface with unwanted complexity”, says Helmut Nagy, COO of the Semantic Web CompanyThe Semantic Web Company (SWC), based in Vienna, provides companies, institutions and organizations with professional services related to the Semantic Web, semantic technologies and Social Software.

Watch this video to get an impression how this new feature works:

In addition to “Custom Schemas”, PoolParty ThesaurusA thesaurus is a book that lists words grouped together according to similarity of meaning, in contrast to a dictionary, which contains definitions and pronunciations. The largest thesaurus in the world is the Historical Thesaurus of the Oxford English Dictionary, which contains more than ... Server is now integrated with Virtuoso Universal Server. Thesaurus managers can ‘deploy’ stable versions of their knowledge graphs into a Virtuoso RDF store. Virtuoso is well-known for its high performance even when complex queries are made across different (named) graphs.

The following video will show a short demo of this brandnew feature which opens up completely new options for big data solutions based on enterprise linked data integration:

To get a complete overview over all new features of PoolParty Thesaurus Server 3.2.2, please take a look at the release notes.