469 search results - page 15 / 94 » Cluster-based query expansion |
104
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ICTAI
2002
IEEE
15 years 3 months ago
2002
IEEE
This paper addresses the issue of effective and efficient content based image retrieval by presenting a novel indexing and retrieval methodology that integrates color, texture, an...
101
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ICCV
2007
IEEE
15 years 4 months ago
2007
IEEE
Given a query image of an object, our objective is to retrieve all instances of that object in a large (1M+) image database. We adopt the bag-of-visual-words architecture which ha...
ACL
2009
14 years 8 months ago
2009
User generated content is characterized by short, noisy documents, with many spelling errors and unexpected language usage. To bridge the vocabulary gap between the user's in...
SIGIR
1998
ACM
15 years 2 months ago
1998
ACM
Most casual users of IR systems type short queries. Recent research has shown that adding new words to these queries via adhoc feedback improves the retrieval e ectiveness of such ...
AIRS
2006
Springer
15 years 1 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...