641 search results - page 7 / 129 » Studying Query Expansion Effectiveness |
TREC
2004
13 years 9 months ago
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...
CVPR
2011
IEEE
12 years 11 months ago
2011
IEEE
Most effective particular object and image retrieval approaches are based on the bag-of-words (BoW) model. All state-of-the-art retrieval results have been achieved by methods tha...
TREC
2000
13 years 9 months ago
2000
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...
DEXA
2005
Springer
14 years 1 months ago
2005
Springer
In this paper, we address a novel method of Web query expansion by using WordNet and TSN. WordNet is an online lexical dictionary which describes word relationships in three dimens...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
Sponsored search systems are tasked with matching queries to relevant advertisements. The current state-of-the-art matching algorithms expand the user's query using a variety...