135 search results - page 20 / 27 » Modeling Term Associations for Ad-Hoc Retrieval Performance ... |
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Relevance feedback has been demonstrated to be an effective strategy for improving retrieval accuracy. The existing relevance feedback algorithms based on language models and vect...
ICS
2007
Tsinghua U.
14 years 1 months ago
2007
Tsinghua U.
This paper investigates helper threads that improve performance by prefetching data on behalf of an application’s main thread. The focus is data prefetch helper threads that lac...
DIS
2007
Springer
14 years 1 months ago
2007
Springer
We propose an unsupervised method for detecting spam documents from Web page data, based on equivalence relations on strings. We propose 3 measures for quantifying the alienness (...
WSDM
2009
ACM
14 years 2 months ago
2009
ACM
Recently the re-ranking algorithms have been quite popular for web search and data mining. However, one of the issues is that those algorithms treat the content and link informati...
IPPS
2003
IEEE
14 years 27 days ago
2003
IEEE
With the availability of large datasets in a variety of scientific and commercial domains, data mining has emerged as an important area within the last decade. Data mining techni...