1. Alfonseca E, Manandhar S (2002) Improving an ontology refinement method with hyponymy patterns, In: 3rd international conference on language resources and evaluation, LREC 2002. Las Palmas, Spain
2. Baumgartner R, Flesca S, Gottlob G (2001) Visual web information extraction with lixto. In: Apers PMG, Atzeni P, Ceri S, Paraboschi S, Ramamohanarao K, Snodgrass RT (eds) 27th international conference on very large data bases, VLDB 2001. Morgan Kaufmann, Roma, Italy, pp 119–128
3. Berners-Lee T, Hendler J, Lassila O (2001) The semantic web—a new form of web content that is meaningful to computers will unleash a revolution of new possibilities. Sci Am 284: 34–43
4. Bisson G, Nedellec C, Cañamero D (2000) Designing clustering methods for ontology building, the Mo’K workbench. In: Staab S, Maedche A, Nedellec C, Wiemer-Hastings P (eds) ECAI workshop on ontology learning 2000. CEUR-WS, Berlin, pp 13–19
5. Brill E (2003) Processing natural language without natural language processing. In: Gelbukh A (eds) 4th international conference, CICLing 2003. Springer, Heidelberg, pp 179–185