605 search results - page 6 / 121 » Aggregate Functions in DLV |
TKDE
2012
11 years 9 months ago
2012
—Preparing a data set for analysis is generally the most time consuming task in a data mining project, requiring many complex SQL queries, joining tables and aggregating columns....
DLOG
2003
13 years 8 months ago
2003
This paper presents an application of a DL reasoner to the optimization of an object-relational query language. Queries containing aggregate functions are difficult to optimize be...
IPMU
2010
Springer
13 years 5 months ago
2010
Springer
Following the ideas of stronger forms of monotonicity for unary real functions and for capacities, k-monotone and strongly kmonotone aggregation functions are introduced and discus...
DAWAK
2008
Springer
13 years 8 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...
AGI
2008
13 years 9 months ago
2008
Abstract. We introduce a general framework for reasoning with prioritized data by aggregation of distance functions, study some basic properties of the entailment relations that ar...