1469 search results - page 237 / 294 » Query Expansion and Query Reduction in Document Retrieval |
SIGIR
2008
ACM
13 years 9 months ago
2008
ACM
Evaluation measures act as objective functions to be optimized by information retrieval systems. Such objective functions must accurately reflect user requirements, particularly w...
CLEF
2010
Springer
13 years 10 months ago
2010
Springer
This paper describes the participation of DAEDALUS at the ImageCLEF 2010 Wikipedia Retrieval task. The main focus of our experiments is to evaluate the impact in the image retrieva...
SIGIR
2009
ACM
14 years 3 months ago
2009
ACM
A weakly-supervised extraction method identifies concepts within conceptual hierarchies, at the appropriate level of specificity (e.g., Bank vs. Institution), to which attribute...
CIVR
2007
Springer
14 years 3 months ago
2007
Springer
Scalability is the key issue in making content-based copy detection (CBCD) methods practical for very large image and video databases. Since copies are transformed versions of ori...
SIGIR
1998
ACM
14 years 1 months ago
1998
ACM
We describe the design and implementation of a system for logic-based multimedia retrieval. As highlevel logic for retrieval of hypermedia documents, we have developed a probabilis...