485 search results - page 88 / 97 » Processing complex aggregate queries over data streams |
168
Voted
SIGMOD
2007
ACM
16 years 17 days 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...
105
Voted
INFOCOM
2006
IEEE
15 years 6 months ago
2006
IEEE
— For a wide variety of sensor network environments, location information is unavailable or expensive to obtain. We propose a location-free, lightweight, distributed, and data-ce...
101
Voted
TKDE
2008
15 years 10 days ago
2008
Situational awareness (SA) applications monitor the real world and the entities therein to support tasks such as rapid decision making, reasoning, and analysis. Raw input about unf...
125
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CSR
2007
Springer
15 years 6 months ago
2007
Springer
Traditionally, data that has both linear and hierarchical structure, such as annotated linguistic data, is modeled using ordered trees and queried using tree automata. In this pap...
113
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PVLDB
2008
14 years 12 months ago
2008
This paper introduces Clustera, an integrated computation and data management system. In contrast to traditional clustermanagement systems that target specific types of workloads,...