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ADBIS
2009
Springer
135views Database» more  ADBIS 2009»
14 years 9 months ago
Systematic Exploration of Efficient Query Plans for Automated Database Restructuring
We consider the problem of selecting views and indexes that minimize the evaluation costs of the important queries under an upper bound on the disk space available for storing the ...
Maxim Kormilitsin, Rada Chirkova, Yahya Fathi, Mat...
JC
2008
77views more  JC 2008»
14 years 11 months ago
A numerical algorithm for zero counting, I: Complexity and accuracy
We describe an algorithm to count the number of distinct real zeros of a polynomial (square) system f. The algorithm performs O(log(nD(f))) iterations (grid refinements) where n is...
Felipe Cucker, Teresa Krick, Gregorio Malajovich, ...
SIGIR
2000
ACM
15 years 4 months ago
Partial collection replication versus caching for information retrieval systems
Abstract The explosion of content in distributed information retrieval (IR) systems requires new mechanisms to attain timely and accurate retrieval of unstructured text. In this pa...
Zhihong Lu, Kathryn S. McKinley
LPAR
2000
Springer
15 years 3 months ago
Efficient Structural Information Analysis for Real CLP Languages
We present the rational construction of a generic domain for structural information analysis of real CLP languages called Pattern(D ), where the parameter D is an abstract domain s...
Roberto Bagnara, Patricia M. Hill, Enea Zaffanella
GECCO
2000
Springer
138views Optimization» more  GECCO 2000»
15 years 3 months ago
Domain Knowledge and Representation in Genetic Algorithms for Real World Scheduling Problems
This paper discusses the issues that arise in the design and implementation of an industrialstrength evolutionary-based system for the optimization of the monthly work schedules f...
Ioannis T. Christou, Armand Zakarian