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» Logics with Aggregate Operators
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DAGSTUHL
2006
13 years 10 months ago
On Scene Interpretation with Description Logics
We examine the possible use of Description Logics as a knowledge representation and reasoning system for high-level scene interpretation. It is shown that aggregates composed of m...
Bernd Neumann, Ralf Möller
ICDT
2009
ACM
105views Database» more  ICDT 2009»
14 years 9 months ago
Efficient data structures for range-aggregate queries on trees
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...
Hao Yuan, Mikhail J. Atallah
AAAI
2010
13 years 10 months ago
Lifting Rationality Assumptions in Binary Aggregation
We consider problems where several individuals each need to make a yes/no choice regarding a number of issues and these choices then need to be aggregated into a collective choice...
Umberto Grandi, Ulle Endriss
KDD
1998
ACM
145views Data Mining» more  KDD 1998»
14 years 28 days ago
Aggregation of Imprecise and Uncertain Information for Knowledge Discovery in Databases
We consider the problem of aggregation for uncertain and imprecise data. For such data, we define aggregation operators and use them to provide information on properties and patte...
Sally I. McClean, Bryan W. Scotney, Mary Shapcott
PKDD
2007
Springer
146views Data Mining» more  PKDD 2007»
14 years 2 months ago
A Method for Multi-relational Classification Using Single and Multi-feature Aggregation Functions
This paper presents a novel method for multi-relational classification via an aggregation-based Inductive Logic Programming (ILP) approach. We extend the classical ILP representati...
Richard Frank, Flavia Moser, Martin Ester