605 search results - page 3 / 121 » Aggregate Functions in DLV |
INFOCOM
2011
IEEE
12 years 9 months ago
2011
IEEE
—A critical function of wireless sensor networks (WSNs) is data gathering. While, one is often only interested in collecting a relevant function of the sensor measurements at a s...
ICDT
1999
ACM
13 years 10 months ago
1999
ACM
Abstract. In this paper we present a new approach for studying aggregations in the context of database query languages. Starting from a broad de nition of aggregate function, we ad...
INFOCOM
2011
IEEE
12 years 9 months ago
2011
IEEE
—In this work, for a wireless sensor network (WSN) of n randomly placed sensors with node density λ ∈ [1, n], we study the tradeoffs between the aggregation throughput and gat...
ESOP
2012
Springer
12 years 1 months ago
2012
Springer
Abstract. MapReduce, being inspired by the map and reduce primitives available in many functional languages, is the de facto standard for large scale data-intensive parallel progra...
TCS
1998
13 years 5 months ago
1998
We introduce a new constraint domain, aggregation constraints, that is useful in database query languages, and in constraint logic programming languages that incorporate aggregate...