Statistical model in retrieval has been shown to perform well empirically. Extended Boolean model has been widely used in business system for its easiness to be complemented and n...
Institute of Software, Chinese Academy of Sciences (ISCAS) participated in TREC-2004, submitting 18 runs. We focus on studying the problem of the combination of the user- and quer...
The paper presents two approaches to interactively refining user search formulations and their evaluation in the new High Accuracy Retrieval from Documents (HARD) track of TREC-12...