2536 search results - page 462 / 508 » Gravitation-based model for information retrieval |
161
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KCAP
2009
ACM
16 years 19 days ago
2009
ACM
The extensive work on Knowledge Engineering in the 1990s has resulted in a systematic analysis of task-types, and the corresponding problem solving methods that can be deployed fo...
139
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RECSYS
2009
ACM
16 years 19 days ago
2009
ACM
A fundamental aspect of rating-based recommender systems is the observation process, the process by which users choose the items they rate. Nearly all research on collaborative ï¬...
190
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LATIN
2010
Springer
16 years 19 days ago
2010
Springer
We consider the multiplication of a sparse N × N matrix A with a dense N × N matrix B in the I/O model. We determine the worst-case non-uniform complexity of this task up to a c...
173
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ACISICIS
2007
IEEE
16 years 14 days ago
2007
IEEE
People enacting processes deviate from the process definition for a variety of different reasons, the consequences of which may be either positive or negative. Detecting deviation...
181
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IEEEIAS
2007
IEEE
16 years 13 days ago
2007
IEEE
In this paper, a novel data hiding technique is proposed, as an improvement over the Fibonacci LSB data-hiding technique proposed by Battisti et al. [1]. First we mathematically m...