2607 search results - page 253 / 522 » An Ontology-Based Information Retrieval Model |
166
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ECIR
1998
Springer
15 years 8 months ago
1998
Springer
Modern extensible database systems support multimedia data through ADTs. However, because of the problems with multimedia query formulation, this support is not sufficient. Multim...
173
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SIGIR
2010
ACM
15 years 6 months ago
2010
ACM
Recently, Portfolio Theory (PT) has been proposed for Information Retrieval. However, under non-trivial conditions PT violates the original Probability Ranking Principle (PRP). In...
159
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SIGIR
2008
ACM
15 years 6 months ago
2008
ACM
Modeling the beyond-topical aspects of relevance are currently gaining popularity in IR evaluation. For example, the discounted cumulated gain (DCG) measure implicitly models some...
185
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WWW
2010
ACM
15 years 10 months ago
2010
ACM
In this paper, we demonstrate a novel landmark photo search and browsing system, Agate, which ranks landmark image search results considering their relevance, diversity and qualit...
130
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RECOMB
2010
Springer
16 years 1 months ago
2010
Springer
Clustering methods are a useful and common first step in gene expression studies, but the results may be hard to interpret. We bring in explicitly an indicator of which genes tie ...