Jennifer Chu-Carroll, James Fan, Nico Schlaefer, Wlodek Zadrozny: Textual Resource Acquisition and Engineering. IBM Journal of Research and Development 56(3-4), 2012.
(IEEE)

Nico Schlaefer, Jennifer Chu-Carroll, Eric Nyberg, James Fan, Wlodek Zadrozny, David Ferrucci: Statistical Source Expansion for Question Answering. In Proceedings of the 20th ACM Conference on Information and Knowledge Management (CIKM), 2011.
(ACM)

David Ferrucci, Eric Brown, Jennifer Chu-Carroll, James Fan, David Gondek, Aditya A. Kalyanpur, Adam Lally, J. William Murdock, Eric Nyberg, John Prager, Nico Schlaefer, Chris Welty: Building Watson: An Overview of the DeepQA Project. AI Magazine, 31(3):59-79, 2010.
(AAAI)

Richard C. Wang, Nico Schlaefer, William W. Cohen, Eric Nyberg: Automatic Set Expansion for List Question Answering. In Proceedings of the Conference on Empirical Methods in Natural Language Processing (EMNLP), 2008.
(PDF)

Nico Schlaefer, Jeongwoo Ko, Justin Betteridge, Guido Sautter, Manas Pathak, Eric Nyberg: Semantic Extensions of the Ephyra QA System for TREC 2007. In Proceedings of the Sixteenth Text REtrieval Conference (TREC), 2007.
(PDF)

Nico Schlaefer, Petra Gieselmann, Guido Sautter: The Ephyra QA System at TREC 2006. In Proceedings of the Fifteenth Text REtrieval Conference (TREC), 2006.
(PDF)

Nico Schlaefer, Petra Gieselmann, Thomas Schaaf, Alex Waibel: A Pattern Learning Approach to Question Answering within the Ephyra Framework. In Proceedings of the Ninth International Conference on TEXT, SPEECH and DIALOGUE (TSD), 2006.
(PDF)

Nico Schlaefer: Statistical Source Expansion for Question Answering. Ph.D. Thesis, 2012.
(PDF)

Nico Schlaefer, Jennifer Chu-Carroll: Question Answering. Book chapter in "Multilingual Natural Language Applications: From Theory to Practice". Pearson, 2012.
(Amazon)

Nico Schlaefer: Deploying Semantic Resources for Open Domain Question Answering. Diploma Thesis, 2007.
(PDF)