950 search results - page 167 / 190 » Evaluation over thousands of queries |
ADBIS
2009
Springer
14 years 3 months ago
2009
Springer
Continuous queries applied over nonterminating data streams usually specify windows in order to obtain an evolving –yet restricted– set of tuples and thus provide timely result...
SIGIR
2009
ACM
14 years 3 months ago
2009
ACM
It is well known that anchor text plays a critical role in a variety of search tasks performed over hypertextual domains, including enterprise search, wiki search, and web search....
ICDE
2007
IEEE
14 years 3 months ago
2007
IEEE
Similarity search usually encounters a serious problem in the high dimensional space, known as the “curse of dimensionality”. In order to speed up the retrieval efficiency, p...
NCA
2007
IEEE
14 years 3 months ago
2007
IEEE
We present FRAC, a Framework for Role-based Access Control in network file systems. FRAC is a reference monitor that controls the message flow between file system clients and s...
CIVR
2007
Springer
14 years 3 months ago
2007
Springer
Anecdotal evidence suggests that story-level information is important for the speech component of video retrieval. In this paper we perform a systematic examination of the combina...