1452 search results - page 181 / 291 » The Effectiveness of Query Expansion for Distributed Informa... |
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
CCS
2008
ACM
13 years 10 months ago
2008
ACM
Privacy concerns relating to sharing network traces have traditionally been handled via sanitization, which includes removal of sensitive data and IP address anonymization. We arg...
SIGIR
2009
ACM
14 years 2 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 ...
IUI
2006
ACM
14 years 1 months ago
2006
ACM
This paper describes a discussion-bot that provides answers to students’ discussion board questions in an unobtrusive and humanlike way. Using information retrieval and natural ...
HICSS
2002
IEEE
14 years 28 days ago
2002
IEEE
In the context of information retrieval, traditional collection selection algorithms have been widely studied. These algorithms utilize language models, a representation of the co...