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Whether using Boolean queries or ranking documents using document and term weights will result in better retrieval performance has been the subject of considerable discussion among document retrieval system users and researchers. We suggest a method that allows one to analytically compare the two approaches to retrieval and examine their relative merits. The performance of information retrieval systems may be determined either by using experimental simulation, or through the application ofdoi:10.1002/(sici)1097-4571(199702)48:2<143::aid-asi5>3.0.co;2-y fatcat:l6vk37ddvnbyppua4fkqfyhrhi