2063 search results - page 55 / 413 » Containment of Aggregate Queries |
LCN
2007
IEEE
14 years 4 months ago
2007
IEEE
— Data aggregation is a method used in sensor networks to reduce the amount of messages transported. By aggregating, the data contained in several messages is fused into one sing...
BIOSYSTEMS
2008
13 years 10 months ago
2008
We propose conditions in which an autonomous agent could arise, and increase in complexity. It is assumed that on the primitive Earth there arose a recycling flow-reactor containi...
ICDE
2006
IEEE
14 years 4 months ago
2006
IEEE
In this paper, we study SQL queries with aggregate subqueries that share common tables and conditions with the outer query. While several approaches can deal with such queries, th...
VMCAI
2009
Springer
14 years 5 months ago
2009
Springer
Abstract. We present a multi-pass interprocedural analysis and transformation for the functional aggregate update problem. Our solution handles untyped programs, including unrestri...
GIS
2004
ACM
14 years 11 months ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...