500 search results - page 36 / 100 » Document frequency and term specificity |
WWW
2009
ACM
14 years 11 months ago
2009
ACM
In order to return relevant search results, a search engine must keep its local repository synchronized to the Web, but it is usually impossible to attain perfect freshness. Hence...
KDD
2005
ACM
14 years 4 months ago
2005
ACM
This paper presents a framework for user-oriented text mining. It is then illustrated with an example of discovering knowledge from competitors’ websites. The knowledge to be di...
ECML
2006
Springer
14 years 28 days ago
2006
Springer
Abstract-- Text categorization is the task of assigning predefined categories to natural language text. With the widely used `bag of words' representation, previous researches...
ICDM
2006
IEEE
14 years 5 months ago
2006
IEEE
High dimensionality remains a significant challenge for document clustering. Recent approaches used frequent itemsets and closed frequent itemsets to reduce dimensionality, and to...
SIGIR
2005
ACM
14 years 4 months ago
2005
ACM
This paper is concerned with automatic extraction of titles from the bodies of HTML documents. Titles of HTML documents should be correctly defined in the title fields; however, i...