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TACAS
2010
Springer
251views Algorithms» more  TACAS 2010»
15 years 7 months ago
Approximating the Pareto Front of Multi-criteria Optimization Problems
We propose a general methodology for approximating the Pareto front of multi-criteria optimization problems. Our search-based methodology consists of submitting queries to a constr...
Julien Legriel, Colas Le Guernic, Scott Cotton, Od...
203
Voted
ICDE
1997
IEEE
101views Database» more  ICDE 1997»
16 years 3 months ago
Selectivity Estimation in the Presence of Alphanumeric Correlations
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 ...
Min Wang, Jeffrey Scott Vitter, Balakrishna R. Iye...
WWW
2008
ACM
16 years 3 months ago
Efficient vectorial operators for processing xml twig queries
This paper proposes several vectorial operators for processing XML twig queries, which are easy to be performed and inherently efficient for both Ancestor-Descendant (A-D) and Par...
Guoliang Li, Jianhua Feng, Jianyong Wang, Feng Lin...
119
Voted
WECWIS
2009
IEEE
168views ECommerce» more  WECWIS 2009»
15 years 9 months ago
SARI-SQL: Event Query Language for Event Analysis
Complex Event Processing (CEP) systems are capable of processing large amounts of events, utilizing them to monitor, steer and optimize business in real time. The lack of tracking...
Szabolcs Rozsnyai, Josef Schiefer, Heinz Roth
DOLAP
2006
ACM
15 years 8 months ago
A study on workload-aware wavelet synopses for point and range-sum queries
In this paper we perform an extensive theoretical and experimental study on common synopsis construction algorithms, with emphasis on wavelet based techniques, that take under con...
Michael Mathioudakis, Dimitris Sacharidis, Timos K...