Classifying German Questions According to Ontology-Based Answer Types. - Adriana Davidescu; Andrea Heyl; Stefan Kazalski; Irene M. Cramer; Dietrich Klakow (GfKl, 2006)

The Alyssa System at TREC QA 2007: Do We Need Blog06? - Dan Shen 001; Michael Wiegand; Andreas Merkel; Stefan Kazalski; Sabine Hunsicker; Jochen L. Leidner; Dietrich Klakow (TREC, 2007)

The Alyssa System at TAC QA 2008. - Michael Wiegand; Saeedeh Momtazi; Stefan Kazalski; Fang Xu; Grzegorz Chrupala; Dietrich Klakow (TAC, 2008)

A Combined Query Expansion Technique for Retrieving Opinions from Blogs. - Saeedeh Momtazi; Stefan Kazalski; Dietrich Klakow (ISDA, 2009)

Saarland University Spoken Language Systems at the Slot Filling Task of TAC KBP 2010. - Grzegorz Chrupala; Saeedeh Momtazi; Michael Wiegand; Stefan Kazalski; Fang Xu; Benjamin Roth 001; Alexandra Balahur; Dietrich Klakow (TAC, 2010)

Saarland University Spoken Language Systems Group at TAC KBP 2011. - Fang Xu; Stefan Kazalski; Grzegorz Chrupala; Benjamin Roth 001; Xujian Zhao; Michael Wiegand; Dietrich Klakow (TAC, 2011)