151 search results - page 8 / 31 » Automatic ranking of retrieval systems in imperfect environm... |
ECIR
2011
Springer
12 years 11 months ago
2011
Springer
Abstract. As retrieval systems become more complex, learning to rank approaches are being developed to automatically tune their parameters. Using online learning to rank approaches...
WSDM
2010
ACM
14 years 4 months ago
2010
ACM
In web search, recency ranking refers to ranking documents by relevance which takes freshness into account. In this paper, we propose a retrieval system which automatically detect...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, a distributed system storing and retrieving Broadcast News data recorded from the Greek television is presented. These multimodal data are processed in a grid compu...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
In many cases, rather than a keyword search, people intend to see what is going on through the Internet. Then the integrated comprehensive information on news topics is necessary,...
ICMCS
2000
IEEE
13 years 12 months ago
2000
IEEE
We describe a subsystem of a content-based image retrieval (CBIR) environment that supports a user in the definition of image similarity. Out of a single image or a set of query i...