1. Womser-Hacker, C.: An Information Retrieval Prototype for Research and Teaching. In: Eibl, M., Wolff, C., Womser-Hacker, C. (eds.) To appear in Designing Information Systems. Festschrift für Jürgen Krause. Konstanz: Universitätsverlag [Schriften zur Informationswissenschaft] (2005)
2. Halpern, J.: Lexicon-Based Orthographic Disambiguation in CJK Intelligent Information Retrieval. In: Proceedings of the 19th Conference on Computational Linguistics, COLING 2002, Taipei, Taiwan, August 24–September 1 (2002)
3. Halpern, J.: The Challenges of Intelligent Japanese Searching. In: Working paper. The CJK Dictionary Institute, Saitama (2000), www.cjk.org/cjk/joa/joapaper.htm (revised 2003)
4. Kummer, N., Womser-Hacker, C., Kando, N.: Handling Orthographic Varieties in Japanese Information Retrieval: Fusion of Word-, N-gram-, and Yomi-Based Indices across Different Document Collections. NII Technical Report (2005)
5. Gospodnetić, O., Hatcher, E.: Lucene in Action. Manning, Canada (2004)