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ICDE
2006
IEEE
144views Database» more  ICDE 2006»
16 years 8 months ago
Materialized Sample Views for Database Approximation
We consider the problem of creating a sample view of a database table. A sample view is an indexed, materialized view that permits efficient sampling from an arbitrary range query...
Shantanu Joshi, Chris Jermaine
GIS
2007
ACM
16 years 7 months ago
Cluster By: a new sql extension for spatial data aggregation
The development of areas such as remote and airborne sensing, location based services, and geosensor networks enables the collection of large volumes of spatial data. These datase...
Chengyang Zhang, Yan Huang
POPL
2004
ACM
16 years 7 months ago
Abstractions from proofs
stractions from Proofs Ranjit Jhala1 Kenneth L. McMillan2 1 UC San Diego 2 Cadence Berkeley Laboratories We present a technique for using infeasible program paths to automatically ...
Thomas A. Henzinger, Ranjit Jhala, Rupak Majumdar,...
VLDB
2006
ACM
190views Database» more  VLDB 2006»
16 years 6 months ago
Online summarization of dynamic time series data
Managing large-scale time series databases has attracted significant attention in the database community recently. Related fundamental problems such as dimensionality reduction, tr...
Ümit Y. Ogras, Hakan Ferhatosmanoglu
EDBT
2004
ACM
142views Database» more  EDBT 2004»
16 years 6 months ago
Iterative Incremental Clustering of Time Series
We present a novel anytime version of partitional clustering algorithm, such as k-Means and EM, for time series. The algorithm works by leveraging off the multi-resolution property...
Jessica Lin, Michail Vlachos, Eamonn J. Keogh, Dim...