710 search results - page 35 / 142 » Querying continuous functions in a database system |
147
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ECIR
1998
Springer
15 years 7 months ago
1998
Springer
Modern extensible database systems support multimedia data through ADTs. However, because of the problems with multimedia query formulation, this support is not sufficient. Multim...
189
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ISPAN
2009
IEEE
16 years 19 days ago
2009
IEEE
Abstract—Querying non-conventional data sources is recognized as a major issue in new environments and applications such as those occurring in pervasive computing. A key issue is...
253
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
171
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ICDE
2005
IEEE
15 years 11 months ago
2005
IEEE
Abstract— Distributed stream-based applications, such as continuous query systems, have network scale and time characteristics that challenge traditional distributed query optimi...
181
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IS
2007
15 years 5 months ago
2007
Sensors are often employed to monitor continuously changing entities like locations of moving objects and temperature. The sensor readings are reported to a database system, and a...