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» Grouping and aggregation in the concept-oriented data model
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KDD
2005
ACM
177views Data Mining» more  KDD 2005»
14 years 26 days ago
Combining partitions by probabilistic label aggregation
Data clustering represents an important tool in exploratory data analysis. The lack of objective criteria render model selection as well as the identification of robust solutions...
Tilman Lange, Joachim M. Buhmann
MOBICOM
2005
ACM
14 years 28 days ago
An analytical model for the dimensioning of a GPRS/EDGE network with a capacity constraint on a group of cells
This paper is a contribution to the generic problem of having simple and accurate models to dimension radio cells with data traffic on a GPRS or EDGE network. It addresses the iss...
Georges Nogueira, Bruno Baynat, Pierre Eisenmann
CHI
2010
ACM
13 years 9 months ago
Graaasp: a web 2.0 research platform for contextual recommendation with aggregated data
In this paper we describe Graaasp, a social software currently under development to support the creation of a real usage database of social artifacts. Our goals are twofold: First...
Evgeny Bogdanov, Sandy El Helou, Denis Gillet, Chr...
CASCON
2001
148views Education» more  CASCON 2001»
13 years 8 months ago
A Pareto model for OLAP view size estimation
On Line Analytical Processing (OLAP) aims at gaining useful information quickly from large amounts of data residing in a data warehouse. To improve the quickness of response to qu...
Thomas P. Nadeau, Toby J. Teorey
SIGMOD
2008
ACM
191views Database» more  SIGMOD 2008»
14 years 7 months ago
Efficient aggregation for graph summarization
Graphs are widely used to model real world objects and their relationships, and large graph datasets are common in many application domains. To understand the underlying character...
Yuanyuan Tian, Richard A. Hankins, Jignesh M. Pate...