INQUERY and TREC-8

or the test. We used Inquery V3.2, an in-housedevelopment version of the Inquery system made available by the CIIR (V3.1). The dierences between thetwo are not consequential for this study.The current belief function used by Inquery to calculate the belief in term t within document d is:w t;d = 0:4 + 0:6 tf t;dtf t;d + 0:5 + 1:5length(d)avg lenlogN+0:5n tlog N + 1where n t is the number of documents containing term t, N is the number of documents in the collection,...