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412views
16 years 9 months ago
Analyzing Transit Service Reliability using Detailed Data From Automatic Vehicular Locator Systems
The widespread adoption of automated vehicle location systems (AVL) and automatic passenger counters (APC) in the transit industry has opened new venues in operations and system mo...
A. M. El-Geneidy, J. Horning, K. J. Krizek
83
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FUIN
2006
139views more  FUIN 2006»
14 years 11 months ago
Efficient Parallel Query Processing by Graph Ranking
In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorithm due to M...
Dariusz Dereniowski, Marek Kubale
92
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IWPSE
2007
IEEE
15 years 5 months ago
Improving defect prediction using temporal features and non linear models
Predicting the defects in the next release of a large software system is a very valuable asset for the project manger to plan her resources. In this paper we argue that temporal f...
Abraham Bernstein, Jayalath Ekanayake, Martin Pinz...
83
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HICSS
2003
IEEE
117views Biometrics» more  HICSS 2003»
15 years 4 months ago
Performance of Integrated Supply Chains - An International Case Study in High Tech Manufacturing
The aim of this study is to identify factors that improve the performance of integrated supply chains (SCs). We developed the ‘extended strategic alignment model’ based on the ...
David C. L. Kuo, Martin Smits
87
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PVLDB
2010
85views more  PVLDB 2010»
14 years 9 months ago
Xplus: A SQL-Tuning-Aware Query Optimizer
The need to improve a suboptimal execution plan picked by the query optimizer for a repeatedly run SQL query arises routinely. Complex expressions, skewed or correlated data, and ...
Herodotos Herodotou, Shivnath Babu