735 search results - page 49 / 147 » TREC: Experiment and evaluation in information retrieval |
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CLEF
2004
Springer
15 years 6 months ago
2004
Springer
For the CLEF 2004 ImageCLEF St Andrew’s Collection task the Dublin City University group carried out three sets of experiments. We carried out standard cross-language informatio...
108
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ECIR
2008
Springer
15 years 2 months ago
2008
Springer
Wikipedia is one of the most popular information sources on the Web. The free encyclopedia is densely linked. The link structure in Wikipedia differs from the Web at large: interna...
AIRS
2006
Springer
15 years 5 months ago
2006
Springer
This paper compares the utilization of ConceptNet and WordNet in query expansion. Spreading activation selects candidate terms for query expansion from these two resources. Three m...
SIGIR
2002
ACM
15 years 29 days ago
2002
ACM
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...
CIKM
2007
Springer
15 years 7 months ago
2007
Springer
The term frequency normalisation parameter sensitivity is an important issue in the probabilistic model for Information Retrieval. A high parameter sensitivity indicates that a sl...