466 search results - page 27 / 94 » Scalable Feature Extraction from Noisy Documents |
TREC
2007
13 years 11 months ago
2007
This paper reports on Lymba Corporation’s (a spinoff of Language Computer Corporation) participation in the TREC 2007 Question Answering track. An overview of the PowerAnswer 4 ...
ESANN
2007
13 years 11 months ago
2007
We study dimensionality reduction or feature selection in text document categorization problem. We focus on the first step in building text categorization systems, that is the cho...
HICSS
1999
IEEE
14 years 2 months ago
1999
IEEE
Typically, searching for information in a document collection amounts to refining a query and then scanning a large number of documents to determine their relevance. Active Summar...
ICDM
2003
IEEE
14 years 3 months ago
2003
IEEE
We present Sentiment Analyzer (SA) that extracts sentiment (or opinion) about a subject from online text documents. Instead of classifying the sentiment of an entire document abou...
DL
1999
Springer
14 years 2 months ago
1999
Springer
Keyphrases provide semantic metadata that summarize and characterize documents. This paper describes Kea, an algorithm for automatically extracting keyphrases from text. Kea ident...