1587 search results - page 79 / 318 » UFRGS@CLEF2009: Retrieval by Numbers |
158
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SIGIR
2010
ACM
15 years 6 months ago
2010
ACM
In this paper, we report findings on how user behaviors vary in tasks with different difficulty levels as well as of different types. Two behavioral signals: document dwell time a...
309
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BIS
2011
14 years 6 months ago
2011
Distributed information retrieval is a well-known approach for accessing heterogeneous, highly autonomous sources of unstructured information. Selecting and querying only a number ...
186
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SIGIR
2004
ACM
15 years 11 months ago
2004
ACM
Many museum and library archives are digitizing their large collections of handwritten historical manuscripts to enable public access to them. These collections are only available...
164
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ICTIR
2009
Springer
16 years 25 days ago
2009
Springer
We introduce perturbation kernels, a new class of similarity measure for information retrieval that casts word similarity in terms of multi-task learning. Perturbation kernels mode...
151
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RECSYS
2009
ACM
16 years 23 days ago
2009
ACM
This thesis investigates application of clustering to multi-criteria ratings as a method of improving the precision of top-N recommendations. With the advent of ecommerce sites th...