750 search results - page 97 / 150 » Aggregates in Possibilistic Databases |
SIGMOD
2008
ACM
14 years 10 months ago
2008
ACM
Many kinds of real-life data exhibit logical ordering among their data items and are thus sequential in nature. However, traditional online analytical processing (OLAP) systems an...
SIGMOD
2008
ACM
14 years 10 months ago
2008
ACM
A statistical database (StatDB) retrieves only aggregate results, as opposed to individual tuples. This paper investigates the construction of a privacy preserving StatDB that can...
SIGMOD
2006
ACM
14 years 10 months ago
2006
ACM
There has been a great deal of interest in the past few years on ranking of results of queries on structured databases, including work on probabilistic information retrieval, rank...
SIGMOD
2005
ACM
14 years 10 months ago
2005
ACM
Complex queries over high speed data streams often need to rely on approximations to keep up with their input. The research community has developed a rich literature on approximat...
EDBT
2008
ACM
14 years 10 months ago
2008
ACM
XML Schema awareness has been an integral part of the XQuery language since its early design stages. Matching XML data against XML types is the main operation that backs up XQuery...