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SIGMOD
2004
ACM
148views Database» more  SIGMOD 2004»
16 years 6 months ago
Vertical and Horizontal Percentage Aggregations
Existing SQL aggregate functions present important limitations to compute percentages. This article proposes two SQL aggregate functions to compute percentages addressing such lim...
Carlos Ordonez
PODS
2003
ACM
157views Database» more  PODS 2003»
16 years 6 months ago
Algorithms for data migration with cloning
Our work is motivated by the problem of managing data on storage devices, typically a set of disks. Such high demand storage servers are used as web servers, or multimedia servers...
Samir Khuller, Yoo Ah Kim, Yung-Chun (Justin) Wan
EVOW
2010
Springer
16 years 1 months ago
Start-Up Optimisation of a Combined Cycle Power Plant with Multiobjective Evolutionary Algorithms
Abstract. In this paper we present a study of the application of Evolutionary Computation methods to the optimisation of the start-up of a combined cycle power plant. We propose a ...
Ilaria Bertini, Matteo De Felice, Fabio Moretti, S...
DATE
2009
IEEE
105views Hardware» more  DATE 2009»
16 years 1 months ago
UMTS MPSoC design evaluation using a system level design framework
Rapid design space exploration with accurate models is necessary to improve designer productivity at the electronic system level. We describe how to use a new event-based design f...
Douglas Densmore, Alena Simalatsar, Abhijit Davare...
IAT
2009
IEEE
16 years 1 months ago
Opinion Mining on Newspaper Quotations
— Opinion mining is the task of extracting from a set of documents opinions expressed by a source on a specified target. This article presents a comparative study on the methods ...
Alexandra Balahur, Ralf Steinberger, Erik Van der ...