Daisuke Ikeda, Yasuhiro Yamada, Sachio Hirokawa. Expressive Power of Tree and String Based Wrappers. In Subbarao Kambhampati, Craig A. Knoblock, editors, Proceedings of IJCAI-03 Workshop on Information Integration on the Web (IIWeb-03), August 9-10, 2003, Acapulco, Mexico. pages 21-26, 2003. [doi]
Abstract is missing.