1430 search results - page 188 / 286 » Query operations for moving objects database systems |
107
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EDBT
2010
ACM
15 years 8 months ago
2010
ACM
This paper addresses a fundamental and challenging problem with broad applications: efficient processing of region-based promotion queries, i.e., to discover the top-k most inter...
103
Voted
SIGMOD
2008
ACM
15 years 1 months ago
2008
ACM
The presence of encyclopedic Web sources, such as Wikipedia, the Internet Movie Database (IMDB), World Factbook, etc. calls for new querying techniques that are simple and yet mor...
108
Voted
EDBT
2006
ACM
16 years 1 months ago
2006
ACM
In this paper, we propose a novel client-side, multi-granularity caching scheme, called "Complementary Space Caching" (CS caching), for location-based services in mobile ...
SSDBM
2006
IEEE
15 years 7 months ago
2006
IEEE
A phenomenon appears in a sensor network when a group of sensors persist to generate similar behavior over a period of time. PhenomenaBases (or databases of phenomena) are equippe...
123
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PKC
2009
Springer
16 years 2 months ago
2009
Springer
In this work, we consider the task of allowing a content provider to enforce complex access control policies on oblivious protocols conducted with anonymous users. As our primary ...