928 search results - page 73 / 186 » Analysis and optimization of active databases |
159
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ICDE
1997
IEEE
15 years 11 months ago
1997
IEEE
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
In this paper we present a general framework to study sequences of search activities performed by a user. Our framework provides (i) a vocabulary to discuss types of features, mod...
CIKM
2000
Springer
15 years 1 months ago
2000
Springer
Geographic Information Systems (GISs) have become an essential tool for efficient handling of our natural and artificial environment. The most important activities in a GIS are qu...
101
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FGR
2011
IEEE
14 years 1 months ago
2011
IEEE
— Automatic Facial Expression Recognition and Analysis, in particular FACS Action Unit (AU) detection and discrete emotion detection, has been an active topic in computer science...
132
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SIGMOD
2012
ACM
13 years 7 days ago
2012
ACM
The popularity of mobile social networking services (mSNSs) is propelling more and more businesses, especially those in retailing and marketing, into mobile and location-based for...