Examining the Content Load of Part of Speech Blocks for Information Retrieval Christina Lioma author Iadh Ounis author 2006-07 text Proceedings of the COLING/ACL 2006 Main Conference Poster Sessions Association for Computational Linguistics Sydney, Australia conference publication lioma-ounis-2006-examining https://aclanthology.org/P06-2069/ 2006-07 531 538