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ICDE
2002
IEEE
146views Database» more  ICDE 2002»
14 years 9 months ago
Query Estimation by Adaptive Sampling
The ability to provide accurate and efficient result estimations of user queries is very important for the query optimizer in database systems. In this paper, we show that the tra...
Yi-Leh Wu, Divyakant Agrawal, Amr El Abbadi
SSD
2001
Springer
218views Database» more  SSD 2001»
14 years 2 days ago
Efficient Mining of Spatiotemporal Patterns
The problem of mining spatiotemporal patterns is finding sequences of events that occur frequently in spatiotemporal datasets. Spatiotemporal datasets store the evolution of object...
Ilias Tsoukatos, Dimitrios Gunopulos
CIDM
2007
IEEE
14 years 2 months ago
GAIS: A Method for Detecting Interleaved Sequential Patterns from Imperfect Data
— This paper introduces a novel method, GAIS, for detecting interleaved sequential patterns from databases. A case, where data is of low quality and has errors is considered. Pat...
Marja Ruotsalainen, Timo Ala-Kleemola, Ari Visa
ICDE
2007
IEEE
123views Database» more  ICDE 2007»
14 years 1 months ago
Privacy Preserving Pattern Discovery in Distributed Time Series
The search for unknown frequent pattern is one of the core activities in many time series data mining processes. In this paper we present an extension of the pattern discovery pro...
Josenildo Costa da Silva, Matthias Klusch
ADBIS
2000
Springer
88views Database» more  ADBIS 2000»
13 years 12 months ago
Finding Generalized Path Patterns for Web Log Data Mining
Conducting data mining on logs of web servers involves the determination of frequently occurring access sequences. We examine the problem of finding traversal patterns from web lo...
Alexandros Nanopoulos, Yannis Manolopoulos