750 search results - page 24 / 150 » Aggregates in Possibilistic Databases |
ICDT
2009
ACM
14 years 7 months ago
2009
ACM
Graph-theoretic aggregation problems have been considered both in OLAP (grid graph) and XML (tree). This paper gives new results for MIN aggregation in a tree, where we want the M...
ESORICS
2004
Springer
14 years 4 days ago
2004
Springer
Database outsourcing is a popular industry trend which involves organizations delegating their data management needs to an external service provider. In this model, a service prov...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
Database queries often take the form of correlated SQL queries. Correlation refers to the use of values from the outer query block to compute the inner subquery. This is a conveni...
DAWAK
2008
Springer
13 years 7 months ago
2008
Springer
For more than a decade, researches on OLAP and multidimensional databases have generated methodologies, tools and resource management systems for the analysis of numeric data. With...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
We show that aggregate constraints (as opposed to pairwise constraints) that often arise when integrating multiple sources of data, can be leveraged to enhance the quality of dedu...