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SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
14 years 28 days ago
Wavelet-Based Histograms for Selectivity Estimation
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
Yossi Matias, Jeffrey Scott Vitter, Min Wang
KDD
2009
ACM
249views Data Mining» more  KDD 2009»
14 years 9 months ago
Drosophila gene expression pattern annotation using sparse features and term-term interactions
The Drosophila gene expression pattern images document the spatial and temporal dynamics of gene expression and they are valuable tools for explicating the gene functions, interac...
Shuiwang Ji, Lei Yuan, Ying-Xin Li, Zhi-Hua Zhou, ...
PODS
2005
ACM
130views Database» more  PODS 2005»
14 years 8 months ago
Composition of mappings given by embedded dependencies
Composition of mappings between schemas is essential to support schema evolution, data exchange, data integration, and other data management tasks. In many applications, mappings ...
Alan Nash, Philip A. Bernstein, Sergey Melnik
CIKM
2001
Springer
14 years 1 months ago
PowerDB-IR - Information Retrieval on Top of a Database Cluster
Our current concern is a scalable infrastructure for information retrieval (IR) with up-to-date retrieval results in the presence of frequent, continuous updates. Timely processin...
Torsten Grabs, Klemens Böhm, Hans-Jörg S...
ICS
2001
Tsinghua U.
14 years 1 months ago
Slice-processors: an implementation of operation-based prediction
We describe the Slice Processor micro-architecture that implements a generalized operation-based prefetching mechanism. Operation-based prefetchers predict the series of operation...
Andreas Moshovos, Dionisios N. Pnevmatikatos, Amir...