1. (1997). Computer-assisted text analysis methodology in the social sciences. Technical Report 97/07, Zentrum für Umfragen, Methoden und Analysen, Mannheim, DE.
2. & (2002). Interaction of feature selection methods and linear classification models. In Proceedings of the ICML-02 workshop on text learning, Sydney, AU.
3. & (1998). Automated scoring using a hybrid feature identification technique. Proceedings of ACL-98, 36th annual meeting of the Association for Computational Linguistics, Montreal, CA (pp. 206-210).
4. Optimizing convenient online access to bibliographic databases*