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CSDA
2007
100views more  CSDA 2007»
15 years 7 months ago
Estimation of fractional integration in the presence of data noise
The paper presents a comparative study on the performance of commonly used estimators of the fractional order of integration when data is contaminated by noise. In particular, meas...
Niels Haldrup, Morten Ørregaard Nielsen
JASIS
2006
91views more  JASIS 2006»
15 years 7 months ago
Written versus spoken queries: A qualitative and quantitative comparative analysis
This paper reports on an experimental study on the differences between spoken and written queries. A set of written and spontaneous spoken queries are generated by users from writ...
Fabio Crestani, Heather Du
JUCS
2008
144views more  JUCS 2008»
15 years 7 months ago
Embedded Software Revitalization through Component Mining and Software Product Line Techniques
: The mining of generic software components from legacy systems can be used as an auxiliary technique to revitalize systems. This paper presents a software maintenance approach tha...
Marcelo A. Ramos, Rosângela Dellosso Pentead...
ENGL
2007
136views more  ENGL 2007»
15 years 7 months ago
Multilayered Evolutionary Architecture for Behaviour Arbitration in Cognitive Agents
— In this work, an hybrid, self-configurable, multilayered and evolutionary subsumption architecture for cognitive agents is developed. Each layer of the multilayered architectur...
Oscar Javier Romero López
MANSCI
2008
102views more  MANSCI 2008»
15 years 7 months ago
Revenue Management of Callable Products
We introduce callable products into a finite-capacity, two-period sales or booking process where low-fare customers book first. A callable product is a unit of capacity sold at th...
Guillermo Gallego, S. G. Kou, Robert Phillips