Sciweavers

494 search results - page 10 / 99
» Improving Automatic Query Expansion
Sort
View
ICTAI
2003
IEEE
14 years 29 days ago
Query Expansion and Query Reduction in Document Retrieval
We investigate two seemingly incompatible approaches for improving document retrieval performance in the context of question answering: query expansion and query reduction. Querie...
Ingrid Zukerman, Bhavani Raskutti, Yingying Wen
JUCS
2002
120views more  JUCS 2002»
13 years 7 months ago
Instance Cooperative Memory to Improve Query Expansion in Information Retrieval Systems
The main goal of this research is to improve Information Retrieval Systems by enabling them to generate search outcomes that are relevant and customized to each specific user. Our ...
Lobna Jeribi, Béatrice Rumpler
TREC
2000
13 years 9 months ago
Question Answering, Relevance Feedback and Summarisation: TREC-9 Interactive Track Report
In this paper we report on the effectiveness of query-biased summaries for a question-answering task. Our summarisation system presents searchers with short summaries of documents...
Neill Alexander, Craig Brown, Joemon M. Jose, Ian ...
TREC
2004
13 years 9 months ago
Fondazione Ugo Bordoni at TREC 2004
Our participation in TREC 2004 aims to extend and improve the use of the DFR (Divergence From Randomness) models with Query Expansion (QE) for the robust track. We experiment with...
Gianni Amati, Claudio Carpineto, Giovanni Romano
SIGIR
2008
ACM
13 years 7 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