Query Expansion for Khmer Information Retrieval Channa Van author Wataru Kameyama author 2010-08 text Proceedings of the Eighth Workshop on Asian Language Resouces Sarmad Hussain editor Virach Sornlertlamvanich editor Hammam Riza editor Coling 2010 Organizing Committee Beijing, China conference publication van-kameyama-2010-query https://aclanthology.org/W10-3211/ 2010-08 80 87