A Novel Approach to Semantic Indexing Based on Concept Bo-Yeong Kang author 2003-07 text The Companion Volume to the Proceedings of 41st Annual Meeting of the Association for Computational Linguistics Association for Computational Linguistics Sapporo, Japan conference publication kang-2003-novel 10.3115/1075178.1075184 https://aclanthology.org/P03-2007/ 2003-07 44 49