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SSDBM
2003
IEEE
95views Database» more  SSDBM 2003»
15 years 5 months ago
A Quad-Tree Based Multiresolution Approach for Two-dimensional Summary Data
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...
Francesco Buccafurri, Filippo Furfaro, Domenico Sa...
KDD
2007
ACM
159views Data Mining» more  KDD 2007»
16 years 8 days ago
Constraint-driven clustering
Clustering methods can be either data-driven or need-driven. Data-driven methods intend to discover the true structure of the underlying data while need-driven methods aims at org...
Rong Ge, Martin Ester, Wen Jin, Ian Davidson
VLDB
2005
ACM
149views Database» more  VLDB 2005»
16 years 2 days ago
Selectivity estimators for multidimensional range queries over real attributes
Estimating the selectivity of multidimensional range queries over real valued attributes has significant applications in data exploration and database query optimization. In this p...
Dimitrios Gunopulos, George Kollios, Vassilis J. T...
CDC
2009
IEEE
142views Control Systems» more  CDC 2009»
15 years 4 months ago
Optimized rate allocation for state feedback control over noisy channels
Abstract— Optimal rate allocation in a networked control system with highly limited communication resources is instrumental to achieve satisfactory overall performance. In this p...
Lei Bao, Mikael Skoglund, Carlo Fischione, Karl He...
CSCW
1994
ACM
15 years 4 months ago
Moving Out from the Control Room: Ethnography in System Design
Ethnography has gained considerable prominence as a technique for informing CSCW systems development of the nature of work. Experiences of ethnography reported to date have focuse...
John A. Hughes, Val King, Tom Rodden, Hans Anderse...