Category Archives: OntoWiki

SPARQLer's choice: SparqlEngineDb

Christian Weiske, one of our diploma students, has ran some benchmarks to compare his new PHP SparqlEngineDb to some other implementations (Jena, ARC, Redland). The results are surprising – in most cases, his new SPARQL Engine is faster then all … Continue reading

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OntoWiki 0.6 released

We’ve released the version 0.6 of our distributed knowledge engineering tool OntoWiki. We re-engineered most part of it to support a more flexible architecture with themes and plugins. OntoWiki is based now on the Zend Framework and requires PHP 5.2 … Continue reading

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New database-driven SPARQL engine for RAP

Today our diploma student Christian Weiske finished the last bits of his RAP based database-driven SPARQL engine which implements most parts of the W3C recommendation now. Compared to the current memory-based SPARQL engine in RAP, SparqlEngineDb generates SQL queries to … Continue reading

Posted in OntoWiki, Powl, Software Releases | 1 Comment

Collaborative Knowledge Construction – The Challenge

Next week starts the Knowledge Construction Challenge from the CKC2007, a Workshop on Social and Collaborative Construction of Structured Knowledge which is arranged in conjunction with the 16th International World Wide Web Conference (WWW2007) in Banff, Canada. The goal of … Continue reading

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OntoWiki / Powl 0.95 released

We’ve released Version 0.95 of our OntoWiki / Powl Semantic Web application suite. New features include an OntoWiki Command Line Interface (owcli), which is a PHP command line script for administration and remote control of OntoWiki models. Other changes are: … Continue reading

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pOWL 0.94 with Ontowiki user-interface released

This is release 0.94 of the pOWL web based ontology editor. It is the first version of pOWL, which includes the Ontowiki user-interface. We try to provide new releases more frequently in the future (approx. ever 2-3 months).

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Powl/OntoWiki presented at ISWC

The new OntoWiki prototype developed on the basis of Powl will be presented at 5th International Semantic Web Conference 5th-9th of November in Athens, GA, USA. For an OntoWiki demo have a look at http://3ba.se. For a PDF version of … Continue reading

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Screencast Demo for OntoWiki

We’ve created a screencast demo for our generic RDF Browser and collaborative Knowledge Management application OntoWiki. OntoWiki is an alternative frontend for the pOWL application framework. The screencast demo can be viewed at http://3ba.se.

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