826 search results - page 85 / 166 » Query Performance Prediction: Evaluation Contrasted with Eff... |
156
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
Sensor networks are widely used in many applications for collecting information from the physical environment. In these applications, it is usually necessary to track the relation...
ICDAR
2003
IEEE
15 years 3 months ago
2003
IEEE
A number of techniques have previously been proposed for effective thresholding of document images. In this paper two new thresholding techniques are proposed and compared against...
PKDD
2010
Springer
14 years 8 months ago
2010
Springer
Most approaches to classifying media content assume a fixed, closed vocabulary of labels. In contrast, we advocate machine learning approaches which take advantage of the millions...
160
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
TREC
2003
14 years 11 months ago
2003
Our participation in TREC 2003 aims to adapt the use of the DFR (Divergence From Randomness) models with Query Expansion (QE) to the robust track and the topic distillation task o...