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114
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SIGMOD
2010
ACM
208views Database» more  SIGMOD 2010»
15 years 24 days ago
Hierarchically organized skew-tolerant histograms for geographic data objects
Histograms have been widely used for fast estimation of query result sizes in query optimization. In this paper, we propose a new histogram method, called the Skew-Tolerant Histog...
Yohan J. Roh, Jae Ho Kim, Yon Dohn Chung, Jin Hyun...
104
Voted
DASFAA
2007
IEEE
153views Database» more  DASFAA 2007»
15 years 7 months ago
Interval-Focused Similarity Search in Time Series Databases
Similarity search in time series databases usually deals with comparing entire time series objects or subsequence search. In this paper, we formalize the notion of interval-focused...
Johannes Aßfalg, Hans-Peter Kriegel, Peer Kr...
118
Voted
ICCS
2001
Springer
15 years 5 months ago
Reverse Pivoting in Conceptual Information Systems
Abstract. In database marketing, the behavior of customers is analyzed by studying the transactions they have performed. In order to get a global picture of the behavior of a custo...
Joachim Hereth Correia, Gerd Stumme
EUSFLAT
2003
165views Fuzzy Logic» more  EUSFLAT 2003»
15 years 2 months ago
Genetic fuzzy systems to evolve coordination strategies in competitive distributed systems
This paper suggests an evolutionary approach to design coordination strategies, a key issue in distributed intelligent systems. We focus on competitive strategies in the form of f...
Igor Walter, Fernando A. C. Gomide
101
Voted
LNCS
1993
15 years 4 months ago
Multimedia Database Systems
– In the past few years considerable demand for user oriented multimedia information systems has developed. These systems must provide a rich set of functionality so that new, co...
Arif Ghafoor, P. Bruce Berra