1. Muslea, I., Minton, S., Knoblock, C.A.: Hierarchical Wrapper Induction for Semistructured Information Sources. Autonomous Agents and Multi-Agent Systems 4(1-2), 93–114 (2001)
2. Baumgartner, R., Flesca, S., Gottlob, G.: Visual Web Information Extraction with Lixto. In: Proceedings of the 27th International Conference on Very Large Data Bases, pp. 119–128. Morgan Kaufmann, San Francisco (2001)
3. Crescenzi, V., Mecca, G., Merialdo, P.: ROADRUNNER: Towards Automatic Data Extraction from Large Web Sites. In: Proceedings of the 27th International Conference on Very Large Data Bases, pp. 109–118. Morgan Kaufmann, San Francisco (2001)
4. Zaki, M.J., Aggarwal, C.C.: XRules: An Effective Structural Classifier for XML Data. In: SIGKDD 2003, pp. 316–325. ACM, New York (2003)
5. Sahuguet, A., Azavant, F.: Building light-weight wrappers for legacy Web data-sources using W4F. In: Proceedings of the 25th International Conference on Very Large Data Bases, pp. 738–741. Morgan Kaufmann, San Francisco (1999)