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» Data Compression Support in Databases
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PAKDD
2000
ACM
140views Data Mining» more  PAKDD 2000»
14 years 1 months ago
Performance Controlled Data Reduction for Knowledge Discovery in Distributed Databases
The objective of data reduction is to obtain a compact representation of a large data set to facilitate repeated use of non-redundant information with complex and slow learning alg...
Slobodan Vucetic, Zoran Obradovic
IWMMDBMS
1996
64views more  IWMMDBMS 1996»
13 years 11 months ago
Spatial Indexing into Compressed Raster Images: How to Answer Range Queries Without Decompression
The maintenance of large raster images under spatial operations is still a major performance bottleneck. For reasons of storage space, images in a collection, such as satellite pi...
Renato Pajarola, Peter Widmayer
SIGMOD
2007
ACM
179views Database» more  SIGMOD 2007»
14 years 10 months ago
How to barter bits for chronons: compression and bandwidth trade offs for database scans
Two trends are converging to make the CPU cost of a table scan a more important component of database performance. First, table scans are becoming a larger fraction of the query p...
Allison L. Holloway, Vijayshankar Raman, Garret Sw...
SSDBM
2010
IEEE
220views Database» more  SSDBM 2010»
14 years 2 months ago
Prefix Tree Indexing for Similarity Search and Similarity Joins on Genomic Data
Similarity search and similarity join on strings are important for applications such as duplicate detection, error detection, data cleansing, or comparison of biological sequences....
Astrid Rheinländer, Martin Knobloch, Nicky Ho...
ISPASS
2005
IEEE
14 years 3 months ago
Performance Analysis of a New Packet Trace Compressor based on TCP Flow Clustering
In this paper we study the properties of a new packet trace compression method based on clustering of TCP flows. With our proposed method, the compression ratio that we achieve i...
Raimir Holanda, Javier Verdú, Jorge Garc&ia...