1045 search results - page 22 / 209 » Learning from Aggregate Views |
ITRE
2005
IEEE
15 years 3 months ago
2005
IEEE
This work proposes concepts, designs, experiences and lessons learned from some studies of ad hoc learning supported by wireless and mobile technologies. The ad hoc learning activi...
INFOCOM
2007
IEEE
15 years 4 months ago
2007
IEEE
Abstract— We consider the scenario of distributed data aggregation in wireless sensor networks, where each sensor can obtain and estimate the information of the whole sensing fi...
EDBT
2002
ACM
15 years 10 months ago
2002
ACM
Abstract. Aggregate window queries return summarized information about objects that fall inside a query rectangle (e.g., the number of objects instead of their concrete ids). Tradi...
ISCI
2008
14 years 9 months ago
2008
Significant research has been devoted to aggregation in sensor networks with a view to optimize its performance. Existing research has mostly concentrated on maximizing network li...
SIGMOD
2001
ACM
15 years 10 months ago
2001
ACM
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...