1. [Abramowicz et al., 2004] W. Abramowicz, A. Bassara, A. Filipowska, M. Wisniewski. eVEREst – Supporting Estimation of Real Estate Value. Cybernetics and Systems. An International Journal 35 (7-8), 2004 , pp. 697-708, Taylor&Francis Group.
2. [ACE] ACE Program - http://projects.ldc.upenn.edu/ace/ - accessed on February 10th, 2006.
3. [Amitay et al. 2004] Einat Amitay, Nadav Har’El, Ron Sivan, Aya Soffer Web-a-where: geotagging web content. Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval, 2004.
4. [Callisto] Callisto - http://callisto.mitre.org/ - accessed on February 10th, 2006.
5. [Chinchor 1998] Nancy A. Chinchor. Overview of MUC-7. Message Understanding Conference Proceedings, 1998 (http://www.itl.nist.gov/iaui/894.02/related_ projects/muc/index.html).