99 search results - page 3 / 20 » Generalized inverse document frequency |
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
The probability that a term appears in relevant documents ( ) is a fundamental quantity in several probabilistic retrieval models, however it is difficult to estimate without rele...
ICDE
2006
IEEE
14 years 1 months ago
2006
IEEE
Most traditional Information Retrieval (IR) systems, including web search engines, operationalize “relevant” as the word frequency in a document of a set of keywords. Because ...
WWW
2003
ACM
14 years 8 months ago
2003
ACM
Many daily activities present information in the form of a stream of text, and often people can benefit from additional information on the topic discussed. TV broadcast news can b...
CIKM
2009
Springer
13 years 11 months ago
2009
Springer
We describe an efficient technique to weigh word-based features in binary classification tasks and show that it significantly improves classification accuracy on a range of proble...
ICIP
2009
IEEE
14 years 8 months ago
2009
IEEE
Super-resolution methods aimed to restore the spectrum of an original image above the half sampling frequency. The restoration problem is generally viewed as an inverse problem an...