2018 search results - page 137 / 404 » Magnitude-preserving ranking algorithms |
157
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SSDBM
2006
IEEE
16 years 10 days ago
2006
IEEE
In many modern applications, there are no exact values available to describe the data objects. Instead, the feature values are considered to be uncertain. This uncertainty is mode...
190
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SIAMMAX
2010
15 years 1 months ago
2010
Abstract. Given a symmetric positive definite matrix A, we compute a structured approximate Cholesky factorization A RT R up to any desired accuracy, where R is an upper triangula...
208
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SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
Life sciences researchers perform scientific literature search as part of their daily activities. Many such searches are executed against PubMed, a central repository of life sci...
154
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ACL
2008
15 years 7 months ago
2008
We investigate the tasks of general morphological tagging, diacritization, and lemmatization for Arabic. We show that for all tasks we consider, both modeling the lexeme explicitl...
200
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SAC
2008
ACM
15 years 5 months ago
2008
ACM
A major obstacle that decreases the performance of text classifiers is the extremely high dimensionality of text data. To reduce the dimension, a number of approaches based on rou...