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DCC
2007
IEEE
14 years 7 months ago
Nonuniform Compression in Databases with Haar Wavelet
Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the data from ...
S. Chen, A. Nucci
DASFAA
2010
IEEE
225views Database» more  DASFAA 2010»
13 years 8 months ago
Mining Regular Patterns in Data Streams
Discovering interesting patterns from high-speed data streams is a challenging problem in data mining. Recently, the support metric-based frequent pattern mining from data stream h...
Syed Khairuzzaman Tanbeer, Chowdhury Farhan Ahmed,...
FOIKS
2010
Springer
13 years 11 months ago
On the Existence of Armstrong Data Trees for XML Functional Dependencies
Armstrong databases are a popular tool in example-based database design. An Armstrong database for a given constraint set from a fixed constraint class Z satisfies precisely those ...
Sven Hartmann, Henning Köhler, Thu Trinh
CIKM
1998
Springer
13 years 12 months ago
Selectivity Estimation of Window Queries
Despite of the fact that large line segment datasets are appearing more and more frequently in numerous applications involving spatial data, such as GIS 8, 9] multimedia 6] and ev...
Guido Proietti, Christos Faloutsos
KDD
1997
ACM
213views Data Mining» more  KDD 1997»
13 years 12 months ago
A Probabilistic Approach to Fast Pattern Matching in Time Series Databases
Theproblemof efficiently and accurately locating patterns of interest in massivetimeseries data sets is an important and non-trivial problemin a wide variety of applications, incl...
Eamonn J. Keogh, Padhraic Smyth