750 search results - page 74 / 150 » Aggregates in Possibilistic Databases |
SIGMOD
2011
ACM
13 years 24 days ago
2011
ACM
Facebook recently deployed Facebook Messages, its first ever user-facing application built on the Apache Hadoop platform. Apache HBase is a database-like layer built on Hadoop des...
VLDB
2007
ACM
14 years 4 months ago
2007
ACM
For a large number of data management problems, it would be very useful to be able to obtain a few samples from a data set, and to use the samples to guess the largest (or smalles...
VLDB
2005
ACM
14 years 3 months ago
2005
ACM
We extend the OLAP data model to represent data ambiguity, specifically imprecision and uncertainty, and introduce an allocation-based approach to the semantics of aggregation qu...
DEXAW
2003
IEEE
14 years 3 months ago
2003
IEEE
This paper describes XenoTrust, the trust management architecture used in the XenoServer Open Platform: a public infrastructure for wide-area computing, capable of hosting tasks t...
DASFAA
1995
IEEE
14 years 1 months ago
1995
IEEE
A path dictionary encodes the connections among objects in the aggregation hierarchy. It has been shown to be an efficient mechanism for supporting nested object queries [6]. In t...