1587 search results - page 20 / 318 » UFRGS@CLEF2009: Retrieval by Numbers |
CLEF
2007
Springer
15 years 3 months ago
2007
Springer
Abstract. The general photographic ad-hoc retrieval task of the ImageCLEF 2007 evaluation campaign is described. This task provides both the resources and the framework necessary t...
ATAL
2005
Springer
15 years 3 months ago
2005
Springer
We are concerned with the use of Mobile Agents for information retrieval. A multi-agent system is considered; a number of agents are involved in a collective effort to retrieve di...
CIVR
2005
Springer
15 years 3 months ago
2005
Springer
A system for video retrieval from a ubiquitous environment is presented. Data from pressure-based floor sensors are used as a supplementary input for retrieving video from a large...
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SCIA
2005
Springer
15 years 3 months ago
2005
Springer
Images are being produced and made available in ever increasing numbers; but how can we find images "like this one" that are of interest to us? Many different systems hav...
ICTAI
2003
IEEE
15 years 2 months ago
2003
IEEE
We investigate two seemingly incompatible approaches for improving document retrieval performance in the context of question answering: query expansion and query reduction. Querie...