Discriminative Power and Retrieval Effectiveness of Phrasal Indexing Terms Sumio Fujita author 2000-10 text ACL-2000 Workshop on Recent Advances in Natural Language Processing and Information Retrieval Association for Computational Linguistics Hong Kong, China conference publication fujita-2000-discriminative 10.3115/1117755.1117762 https://aclanthology.org/W00-1105/ 2000-10 47 55