A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is
Aslam, Pavlu, and Savell  introduced the Hedge algorithm for metasearch which effectively combines the ranked lists of documents returned by multiple retrieval systems in response to a given query. It has been demonstrated that the Hedge algorithm is an effective technique for metasearch, often significantly exceeding the performance of standard metasearch and IR techniques over small TREC collections. In this work, we explore the effectiveness of Hedge as an automatic metasearch engine overdblp:conf/trec/AslamPZ07 fatcat:synm36todzdvrjfaexp7dwx3ie