2097 search results - page 403 / 420 » Distributed user modelling for universal information access |
BTW
2005
Springer
15 years 5 months ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
NSPW
2004
ACM
15 years 5 months ago
2004
ACM
Digital rights management systems allow copyrighted content to be commercialized in digital format without the risk of revenue loss due to piracy. Making such systems secure is no...
101
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CONCUR
2006
Springer
15 years 3 months ago
2006
Springer
One of the advantages of temporal-logic model-checking tools is their ability to accompany a negative answer to the correctness query by a counterexample to the satisfaction of the...
HOTOS
2003
IEEE
15 years 5 months ago
2003
IEEE
Distributed writable storage systems typically provide NFS-like semantics and unbounded persistence for files. We claim that for planetary-scale distributed services such facilit...
112
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WWW
2007
ACM
16 years 13 days ago
2007
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...