39 search results - page 6 / 8 » An Empirical Study of Feature Selection for Text Categorizat... |
ISNN
2007
Springer
14 years 2 months ago
2007
Springer
In this paper, we present two novel memetic algorithms (MAs) for gene selection. Both are synergies of Genetic Algorithm (wrapper methods) and local search methods (filter methods...
KDD
2006
ACM
14 years 9 months ago
2006
ACM
In many text classification applications, it is appealing to take every document as a string of characters rather than a bag of words. Previous research studies in this area mostl...
CHI
2007
ACM
14 years 9 months ago
2007
ACM
Tagclouds are visual presentations of a set of words, typically a set of "tags" selected by some rationale, in which attributes of the text such as size, weight, or colo...
TREC
2004
13 years 10 months ago
2004
In TREC 2004, IRIT modified important features of the strategy that was developed for TREC 2003. Changes include tuning parameter values, topic expansion and exploitation of sente...
ICDE
2007
IEEE
14 years 3 months ago
2007
IEEE
Increasingly large text datasets and the high dimensionality associated with natural language create a great challenge in text mining. In this research, a systematic study is cond...