1587 search results - page 25 / 318 » UFRGS@CLEF2009: Retrieval by Numbers |
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CIVR
2005
Springer
15 years 4 months ago
2005
Springer
Multiple Instance Learning (MIL) is a special kind of supervised learning problem that has been studied actively in recent years. We propose an approach based on One-Class Support ...
PCM
2004
Springer
15 years 4 months ago
2004
Springer
The performance of a Content-Based Image Retrieval (CBIR) system presented in the form of Precision-Recall or PrecisionScope graphs offers an incomplete overview of the system und...
VISUAL
1999
Springer
15 years 3 months ago
1999
Springer
This paper describes the application of techniques derived from text retrieval research to the content-based querying of image databases. Speci cally, the use of inverted les, fre...
CLEF
2006
Springer
15 years 2 months ago
2006
Springer
For UFRGS's first participation in CLEF our goal was to compare the performance of heavier and lighter stemming strategies using the Portuguese data collections for monolingua...
ECIR
2008
Springer
15 years 15 days ago
2008
Springer
Many traditional information retrieval models, such as BM25 and language modeling, give good retrieval effectiveness, but can be difficult to implement efficiently. Recently, docum...