5575 search results - page 249 / 1115 » Information Extraction |
247
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KDD
2006
ACM
16 years 7 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...
197
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MANSCI
2007
15 years 7 months ago
2007
Extracting sentiment from text is a hard semantic problem. We develop a methodology for extracting small investor sentiment from stock message boards. The algorithm comprises di�...
314
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
Databases of text and text-annotated data constitute a significant fraction of the information available in electronic form. Searching and browsing are the typical ways that users ...
172
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AUSAI
2005
Springer
16 years 22 days ago
2005
Springer
All the traditional PCA-based and LDA-based methods are based on the analysis of vectors. So, it is difficult to evaluate the covariance matrices in such a high-dimensional vector ...
191
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VISUALIZATION
2000
IEEE
15 years 11 months ago
2000
IEEE
In this paper, we present a new technique for extracting regions of interest (ROI) applying a local watershed transformation. The proposed strategy for computing catchment basins ...