14761 search results - page 2565 / 2953 » Optimization in Data Mining |
310
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SIGMOD
2009
ACM
16 years 7 months ago
2009
ACM
Composite (or Complex) event processing (CEP) systems search sequences of incoming events for occurrences of userspecified event patterns. Recently, they have gained more attentio...
204
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
179
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
In this paper, we attempt to approximate and index a ddimensional (d 1) spatio-temporal trajectory with a low order continuous polynomial. There are many possible ways to choose ...
172
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MOBIHOC
2005
ACM
16 years 6 months ago
2005
ACM
Wireless Sensor and Actor Networks (WSANs) are composed of a large number of heterogeneous nodes called sensors and actors. The collaborative operation of sensors enables the dist...
189
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MOBIHOC
2003
ACM
16 years 6 months ago
2003
ACM
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...