A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2008; you can also visit the original URL.
The file type is
to keyword-based queries in the complex question problems; and (2) directly applying traditional query expansion on the query terms of each slot does not always work well. ... We develop several query expansion methods for slot-based queries so as to improve their retrieval effectiveness on a document collection. ... We seek to understand the effectiveness of slot-based queries and their query expansion for complex questions such as those in CiQA task. ...doi:10.1145/1317353.1317364 dblp:conf/cikm/SuryantoLSC07 fatcat:d3d2vocurbfpbjvhl5wgb2e7yi