469 search results - page 44 / 94 » Cluster-based query expansion |
147
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JUCS
2006
15 years 4 months ago
2006
: CQL, Continuous Query Language is suitable for data stream queries. Sometimes it is better if the queries operate on relational databases and data streams simultaneously. The exe...
140
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SIGIR
2011
ACM
14 years 7 months ago
2011
ACM
The majority of the current information retrieval models weight the query concepts (e.g., terms or phrases) in an unsupervised manner, based solely on the collection statistics. I...
137
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SIGIR
2010
ACM
15 years 8 months ago
2010
ACM
Defining a measure of similarity between queries is an interesting and difficult problem. A reliable query-similarity measure can be used in a variety of applications such as que...
138
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TREC
2003
15 years 5 months ago
2003
Our participation in TREC 2003 aims to adapt the use of the DFR (Divergence From Randomness) models with Query Expansion (QE) to the robust track and the topic distillation task o...
131
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CLEF
2007
Springer
15 years 10 months ago
2007
Springer
This paper reports the participation of the University of Lisbon at the 2007 GeoCLEF task. We adopted a novel approach for GIR, focused on handling geographic features and feature ...