Using Clustering to Improve Retrieval Evaluation without Relevance Judgments Zhiwei Shi author Peng Li author Bin Wang author 2010-08 text Coling 2010: Posters Chu-Ren Huang editor Dan Jurafsky editor Coling 2010 Organizing Committee Beijing, China conference publication shi-etal-2010-using https://aclanthology.org/C10-2130/ 2010-08 1131 1139