852 search results - page 45 / 171 » Comparing relevance feedback algorithms for web search |
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
FCSC
2011
12 years 11 months ago
2011
Description logics (DLs) are widely employed in recent semantic web application systems. However, classical description logics are limited when dealing with imprecise concepts and ...
MM
2009
ACM
14 years 2 months ago
2009
ACM
Query-to-concept mapping plays one of the keys to concept-based video retrieval. Conventional approaches try to find concepts that are likely to co-occur in the relevant shots fro...
SIGIR
1999
ACM
14 years 4 days ago
1999
ACM
Abstract We compare the performance of two database selection algorithms reported in the literature. Their performance is compared using a common testbed designed specifically for ...
MM
2009
ACM
14 years 15 days ago
2009
ACM
Content Based Image Retrieval (CBIR) has become one of the most active research areas in computer science. Relevance feedback is often used in CBIR systems to bridge the semantic ...