902 search results - page 177 / 181 » Efficient and Extensible Algorithms for Multi Query Optimiza... |
MSWIM
2009
ACM
14 years 19 hour ago
2009
ACM
Cognitive Radio (CR) technology constitutes a new paradigm to provide additional spectrum utilization opportunities in wireless ad hoc networks. Recent research in this field has ...
SIGIR
2009
ACM
14 years 1 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 ...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Temporal data analysis in data warehouses and data streaming systems often uses time decay to reduce the importance of older tuples, without eliminating their influence, on the res...
ICDE
2004
IEEE
14 years 8 months ago
2004
IEEE
The past decade has seen a wealth of research on time series representations, because the manipulation, storage, and indexing of large volumes of raw time series data is impractic...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
Given a terabyte click log, can we build an efficient and effective click model? It is commonly believed that web search click logs are a gold mine for search business, because th...