1Agirre E,Ansa O,Hovy E,Martinez D.Enriching very large ontologies using the WWW.In:Staab S,Maedche A,eds.Proc.of the ECAI 2004 Workshop on Ontology Learning.2000.http://ol2000.aifb.unikarlsruhe.de/.
2Xu F,Kurz D,Piskorski J,Schmeier S.A domain adaptive approach to automatic acquisition of domain relevant terms and their relations with bootstrapping.In:Proc.of the LREC 2002.http://www.dfki.uni-sb.de/～feiyu/LREC_TermExtraction_final.pdf.
3Missikoff M,Navigli R,Velardi P.Integrated approach for web ontology learning and engineering.IEEE Computer,2002,35(1 1):60-63.
4Navigli R,Velardi P,Gangemi A.Ontology learning and its application to automated terminology translation.IEEE Intelligent Systems,2003,18(1):22-31.
5Alexander Maedche,Steffen Staab.Discovering conceptual relations from text.
6Ljiljana Stojanovic,Nenad Stojanovic,Raphael Volz.Migrating data-intensive Web Sites into the Semantic Web.
