E. Wagner, J. Liu, L. Birnbaum, und K. Forbus. IUI '09: Proceedings of the 13th international conference on Intelligent user interfaces, Seite 27--36. New York, NY, USA, ACM, (2009)
J. Liu, E. Wagner, und L. Birnbaum. WWW '07: Proceedings of the 16th international conference on World Wide Web, Seite 541--550. New York, NY, USA, ACM, (2007)
E. Wagner, J. Liu, L. Birnbaum, und K. Forbus. IUI '09: Proceedings of the 13th international conference on Intelligent user interfaces, Seite 27--36. New York, NY, USA, ACM, (2009)
J. Liu, E. Wagner, und L. Birnbaum. WWW '07: Proceedings of the 16th international conference on World Wide Web, Seite 541--550. New York, NY, USA, ACM, (2007)
E. Wagner, J. Liu, L. Birnbaum, und K. Forbus. IUI '09: Proceedingsc of the 13th international conference on Intelligent user interfaces, Seite 27--36. New York, NY, USA, ACM, (2008)
J. Liu, E. Wagner, und L. Birnbaum. WWW '07: Proceedings of the 16th international conference on World Wide Web, Seite 541--550. New York, NY, USA, ACM Press, (2007)