605 search results - page 61 / 121 » Aggregate Functions in DLV |
JAIR
2002
13 years 8 months ago
2002
We consider the problem of designing the the utility functions of the utility-maximizing agents in a multi-agent system (MAS) so that they work synergistically to maximize a globa...
SMC
2010
IEEE
13 years 7 months ago
2010
IEEE
—We outline SoftFacts, an ontology mediated top-k information retrieval system over relational databases. An ontology layer is used to define (in terms of a OWL-QL like Semantic...
SIGMOD
2012
ACM
11 years 11 months ago
2012
ACM
Big data is the tar sands of the data world: vast reserves of raw gritty data whose valuable information content can only be extracted at great cost. MapReduce is a popular parall...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
Efficiently and accurately searching for similarities among time series and discovering interesting patterns is an important and non-trivial problem. In this paper, we introduce a...
SIGMETRICS
1999
ACM
14 years 1 months ago
1999
ACM
—This paper evaluates techniques for improving operating system and network protocol software support for high-performance World Wide Web servers. We study approaches in three ca...