6368 search results - page 1247 / 1274 » Modeling Problem Transformations based on Data Complexity |
SIGIR
1998
ACM
15 years 2 months ago
1998
ACM
Abstract We present a fast compression and decompression scheme for natural language texts that allows e cient and exible string matching by searching the compressed text directly....
NSDI
2010
14 years 11 months ago
2010
Today, large-scale web services run on complex systems, spanning multiple data centers and content distribution networks, with performance depending on diverse factors in end syst...
BMCBI
2010
14 years 9 months ago
2010
Background: To understand the evolutionary role of Lateral Gene Transfer (LGT), accurate methods are needed to identify transferred genes and infer their timing of acquisition. Ph...
SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
We consider the problem of large scale retrieval evaluation. Recently two methods based on random sampling were proposed as a solution to the extensive effort required to judge te...
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SAC
2008
ACM
14 years 9 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...