605 search results - page 20 / 121 » Aggregate Functions in DLV |
SODA
2003
ACM
13 years 10 months ago
2003
ACM
We consider the problem of finding efficient trees to send information from k sources to a single sink in a network where information can be aggregated at intermediate nodes in t...
SOSP
2009
ACM
14 years 5 months ago
2009
ACM
Data-intensive applications are increasingly designed to execute on large computing clusters. Grouped aggregation is a core primitive of many distributed programming models, and i...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
People-centric urban sensing is a new paradigm gaining popularity. A main obstacle to its widespread deployment and adoption are the privacy concerns of participating individuals. ...
SSDBM
2008
IEEE
14 years 3 months ago
2008
IEEE
Abstract. In recent years, there is an increasing need to monitor k nearest neighbor (k-NN) in a road network. There are existing solutions on either monitoring k-NN objects from a...
ICDE
2002
IEEE
14 years 10 months ago
2002
IEEE
This paper explores the aggregate effect when caching multiple versions of the same Web object in the transcoding proxy. Explicitly, the aggregate profit from caching multiple ver...