1. Agichtein, E., Gravano, L.: Snowball: extracting relations from large plain-text collections. In: Proceedings of the fifth ACM conference on Digital Libraries (DL), pp. 85–94. ACM Press, New York (2000)
2. Blohm, S., Cimiano, P., Stemle, E.: Harvesting relations from the web -quantifiying the impact of filtering functions. In: Proceedings of the 22nd International Conference of the Association for the Advancement of Artificial Intelligence (AAAI) (to appear, 2007)
3. Lecture Notes in Computer Science;S. Brin,1998
4. Chen, J., Ji, D., Tan, C.L., Niu, Z.: Relation extraction using label propagation based semi-supervised learning. In: Proceedings of the 21st International Conference on Computational Linguistics (COLING) and the 44th Annual Meeting of the Association for Computational Linguistics (ACL), pp. 129–136 (2006)
5. Ciravegna, F.: Adaptive information extraction from text by rule induction and generalisation. In: Proceedings of the International Joint Conference on Artificial Intelligence (IJCAI), pp. 1251–1256 (2001)