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ICCS
2001
Springer
14 years 3 months ago
High-Performance Algorithm Engineering for Computational Phylogenetics
Abstract. Phylogeny reconstruction from molecular data poses complex optimization problems: almost all optimization models are NP-hard and thus computationally intractable. Yet app...
Bernard M. E. Moret, David A. Bader, Tandy Warnow
ASM
2000
ASM
14 years 3 months ago
Report on a Practical Application of ASMs in Software Design
ASMs have been used at Siemens Corporate Technology to design a component in a software package called FALKO. Main purpose of FALKO is the construction and validation of timetables...
Egon Börger, Peter Päppinghaus, Joachim ...
ICDE
2010
IEEE
203views Database» more  ICDE 2010»
14 years 3 months ago
Optimizing ETL workflows for fault-tolerance
Extract-Transform-Load (ETL) processes play an important role in data warehousing. Typically, design work on ETL has focused on performance as the sole metric to make sure that the...
Alkis Simitsis, Kevin Wilkinson, Umeshwar Dayal, M...
PODS
1999
ACM
151views Database» more  PODS 1999»
14 years 3 months ago
Exact and Approximate Aggregation in Constraint Query
We investigate the problem of how to extend constraint query languages with aggregate operators. We deal with standard relational aggregation, and also with aggregates speci c to ...
Michael Benedikt, Leonid Libkin
ICRA
1999
IEEE
136views Robotics» more  ICRA 1999»
14 years 3 months ago
The Arc-Transversal Median Algorithm: An Approach to Increasing Ultrasonic Sensor Accuracy
This paper describes a new method for improving the accuracy of range information using low resolution ultrasonic sensors mounted on a mobile robot. These sensors emit ultra-sound...
Keiji Nagatani, Howie Choset, Nicole A. Lazar
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