812 search results - page 109 / 163 » The Challenge of Creative Information Retrieval |
CIKM
2008
Springer
13 years 11 months ago
2008
Springer
In contextual advertising, estimating the number of impressions of an ad is critical in planning and budgeting advertising campaigns. However, producing this forecast, even within...
CN
2006
13 years 9 months ago
2006
The expanding and dynamic nature of the Web poses enormous challenges to most data mining techniques that try to extract patterns from Web data, such as Web usage and Web content....
SIGIR
2009
ACM
14 years 3 months ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
CIKM
2011
Springer
12 years 9 months ago
2011
Springer
Traditionally, search engines have ignored the reading difficulty of documents and the reading proficiency of users in computing a document ranking. This is one reason why Web se...
BMCBI
2005
13 years 9 months ago
2005
Background: A large volume of data and information about genes and gene products has been stored in various molecular biology databases. A major challenge for knowledge discovery ...