Sciweavers

2 search results - page 1 / 1
» Query-drift prevention for robust query expansion
Sort
View
SIGIR
2008
ACM
13 years 4 months ago
Query-drift prevention for robust query expansion
Pseudo-feedback-based automatic query expansion yields effective retrieval performance on average, but results in performance inferior to that of using the original query for many...
Liron Zighelnic, Oren Kurland
SIGIR
1998
ACM
13 years 9 months ago
Improving Automatic Query Expansion
Most casual users of IR systems type short queries. Recent research has shown that adding new words to these queries via adhoc feedback improves the retrieval e ectiveness of such ...
Mandar Mitra, Amit Singhal, Chris Buckley