OpenTrace: An Open Source Workbench for Automatic Software Traceability Link Recovery. - Elian Angius; René Witte (WCRE, 2012)

ReqWiki: a semantic system for collaborative software requirements engineering. - Bahar Sateli; Srinivasan Sembakkam Rajivelu; Elian Angius; René Witte (WikiSym, 2012)

The ReqWiki Approach for Collaborative Software Requirements Engineering with Integrated Text Analysis Support. - Bahar Sateli; Elian Angius; René Witte (COMPSAC, 2013)