SoftWiki – distributed, end-user-centred Requirements Engineering for evolutionary Software Development
National Research Project, funded by the German Federal Ministry of Education and Research, part of the research initiative “Software Engineering 2006”


OntoWiki is a semantic collaboration platform implementing the Web 2.0 idea which focuses on an architecture of participation for the collaborative development of Semantic Web knowledge bases. Onto Wiki is implemented as an alternative user interface for Powl and included in the latest Powl distribution.

Impact: more than 8.000 downloads of the OntoWiki software (since 2004) / 773 in Sep 2007, on average 3.000 monthly visitors at, serving a broad variety of industrial and academic users.


Triplify tackles the chicken-and-egg problem of the Semantic Web by providing a building block for the “semantification” of Web applications. Triplify provides small, light-weight plugins for database-backed Web applications and exposes semantics as RDF, Linked Data and JSON.


DL-Learner is a tool for learning concepts in Description Logics (DLs) from user-provided examples. Equivalently, it can be used to learn classes in OWL ontologies from selected objects. The goal of DL-Learner is to support knowledge engineers in constructing knowledge and learning about the data they created.


xOperator combines advantages of social network websites with instant messaging. It tries to be a semantic agent for xmpp / jabber network, which finds and shares content about resources (using RDF/SPARQL) for you and your jabber friends.


Powl is a Semantic Web application development framework featuring a comprehensive API for handling RDF, RDFS and OWL, a library of semantic widgets and a web-based user interface. Powl is implemented for the most widely deployed web application environment: PHP and My SQL. Powl has been downloaded over 3.000 times and has an active developer and user community.

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Last Modification: 2009-11-24 13:26:37 by Nadine Jaenicke