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SIGMOD
1998
ACM
13 years 12 months ago
1998
ACM
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 ...
VLDB
1999
ACM
13 years 12 months ago
1999
ACM
This paper aims to improve the accuracy of query result-size estimations in query optimizers by leveraging the dynamic feedback obtained from observations on the executed query wo...
DCC
2005
IEEE
14 years 7 months ago
2005
IEEE
ct A very fast, low complexity algorithm for resolution scalable and random access decoding is presented. The algorithm is based on AGP (Alphabet and Group Partitioning) [1], where...
JVCIR
2007
13 years 7 months ago
2007
We present a novel approach that allows users to intuitively and interactively manipulate High Dynamic Range (HDR) images using commonly available Low Dynamic Range (LDR) displays...
KDD
2007
ACM
14 years 8 months ago
2007
ACM
Summarization is an important task in data mining. A major challenge over the past years has been the efficient construction of fixed-space synopses that provide a deterministic q...