[ACM Press Proceeding of the 33rd international ACM SIGIR conference - Geneva, Switzerland (2010.07.19-2010.07.23)] Proceeding of the 33rd international ACM SIGIR conference on Research and development in information retrieval - SIGIR '10 - A co-learning framework for learning user search intents from rule-generated training dataYan, Jun; Zheng, Zeyu; Jiang, Li; Li, Yan; Yan, Shuicheng; Chen, Zheng · 2010