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ISCI
2007
105views more  ISCI 2007»
13 years 9 months ago
Cost modeling of spatial operators using non-parametric regression
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...
Songtao Jiang, Byung Suk Lee, Zhen He
ISCI
2007
151views more  ISCI 2007»
13 years 9 months ago
Enriching the ER model based on discovered association rules
The entity–relationship (ER) model, a powerful means for business and data modeling, needs to be enriched with new semantics as the real world changes and its understanding impr...
Guoqing Chen, Ming Ren, Peng Yan, Xunhua Guo
ISCI
2007
88views more  ISCI 2007»
13 years 9 months ago
Strategy creation, decomposition and distribution in particle navigation
Strategy planning is crucial to control a group to achieve a number of tasks in a closed area full of obstacles. In this study, genetic programming has been used to evolve rule-ba...
Ulas Beldek, Kemal Leblebicioglu
ISCI
2007
82views more  ISCI 2007»
13 years 9 months ago
On reliability of the folded hypercubes
In this paper, we explore the 2-extra connectivity and 2-extra-edge-connectivity of the folded hypercube FQn. We show that j2(FQn) = 3n À 2 for n P 8; and k2(FQn) = 3n À 1 for n...
Qiang Zhu 0003, Jun-Ming Xu, Xinmin Hou, Min Xu
ISCI
2007
122views more  ISCI 2007»
13 years 9 months ago
On the strength of hyperclique patterns for text categorization
The use of association patterns for text categorization has attracted great interest and a variety of useful methods have been developed. However, the key characteristics of patte...
Tieyun Qian, Hui Xiong, Yuanzhen Wang, Enhong Chen