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» Genetic algorithms for large join query optimization
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SETN
2010
Springer
13 years 11 months ago
Genetic Algorithm Solution to Optimal Sizing Problem of Small Autonomous Hybrid Power Systems
The optimal sizing of a small autonomous hybrid power system can be a very challenging task, due to the large number of design settings and the uncertainty in key parameters. This ...
Yiannis A. Katsigiannis, Pavlos S. Georgilakis, Em...
WOB
2004
13 years 9 months ago
A Multi-Neighbor-Joining Approach for Phylogenetic Tree Reconstruction and Visualization
ABSTRACT. The computationally challenging problem of reconstructing the phylogeny of a set of contemporary data, such as DNA sequences or morphological attributes, was treated by a...
Ana Estela Antunes da Silva, Wilfredo J. Puma-Vill...
DASFAA
2007
IEEE
174views Database» more  DASFAA 2007»
14 years 2 months ago
Efficient Holistic Twig Joins in Leaf-to-Root Combining with Root-to-Leaf Way
Finding all the occurrences of a twig pattern on multiple elements in an XML document is a core operation for efficient evaluation of XML queries. Holistic twig join algorithms, Tw...
Guoliang Li, Jianhua Feng, Yong Zhang, Lizhu Zhou
SIGMOD
2009
ACM
250views Database» more  SIGMOD 2009»
14 years 7 months ago
Query processing techniques for solid state drives
Solid state drives perform random reads more than 100x faster than traditional magnetic hard disks, while offering comparable sequential read and write bandwidth. Because of their...
Dimitris Tsirogiannis, Stavros Harizopoulos, Mehul...
SIGMOD
2009
ACM
137views Database» more  SIGMOD 2009»
14 years 7 months ago
Robust and efficient algorithms for rank join evaluation
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
Jonathan Finger, Neoklis Polyzotis