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EDBT
2010
ACM
170views Database» more  EDBT 2010»
13 years 10 months ago
Augmenting OLAP exploration with dynamic advanced analytics
Online Analytical Processing (OLAP) is a popular technique for explorative data analysis. Usually, a fixed set of dimensions (such as time, place, etc.) is used to explore and ana...
Benjamin Leonhardi, Bernhard Mitschang, Rubé...
ICDM
2007
IEEE
103views Data Mining» more  ICDM 2007»
14 years 1 months ago
Mechanism Design for Clustering Aggregation by Selfish Systems
We propose a market mechanism that can be implemented on clustering aggregation problem among selfish systems, which tend to lie about their correct clustering during aggregation ...
Pinata Winoto, Yiu-ming Cheung, Jiming Liu
DM
2007
68views more  DM 2007»
13 years 7 months ago
Extension of Arrow's theorem to symmetric sets of tournaments
Arrow’s impossibility theorem [1] shows that the set of acyclic tournaments is not closed to non dictatorial Boolean aggregation. In this paper we extend the notion of aggregati...
Eyal Beigman
IJCAI
2003
13 years 8 months ago
Gaussian Process Models of Spatial Aggregation Algorithms
Multi-level spatial aggregates are important for data mining in a variety of scientific and engineering applications, from analysis of weather data (aggregating temperature and p...
Naren Ramakrishnan, Christopher Bailey-Kellogg
DEXA
2005
Springer
110views Database» more  DEXA 2005»
14 years 27 days ago
Intensional Encapsulations of Database Subsets via Genetic Programming
Finding intensional encapsulations of database subsets is the inverse of query evaluation. Whereas query evaluation transforms an intensional expression (the query) to its extensi...
Aybar C. Acar, Amihai Motro