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» Test Generation Algorithms Based on Preorder Relations
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SIGECOM
1999
ACM
202views ECommerce» more  SIGECOM 1999»
15 years 2 months ago
A methodology for workload characterization of E-commerce sites
Performance analysis and capacity planning for e-commerce sites poses an interesting problem: how to best characterize the workload of these sites. Tradition al workload character...
Daniel A. Menascé, Virgilio Almeida, Rodrig...
ICSE
1993
IEEE-ACM
15 years 1 months ago
"...And Nothing Else Changes": The Frame Problem in Procedure Specifications
We give examples of situations where formal specifications of procedures in the standard pre/postcondition style become lengthy, cumbersome and difficult to change, a problem whic...
Alexander Borgida, John Mylopoulos, Raymond Reiter
CGF
2008
149views more  CGF 2008»
14 years 9 months ago
Image-based Aging Using Evolutionary Computing
Aging has considerable visual effects on the human face and is difficult to simulate using a universally-applicable global model. In this paper, we focus on the hypothesis that th...
Daniel Hubball, Min Chen, Phil W. Grant
CGF
2006
166views more  CGF 2006»
14 years 9 months ago
Rendering Soft Shadows using Multilayered Shadow Fins
Generating soft shadows in real time is difficult. Exact methods (such as ray tracing, and multiple light source simulation) are too slow, while approximate methods often overesti...
Xiao-Hua Cai, Yun-Tao Jia, Xi Wang, Shi-Min Hu, Ra...
PAMI
2008
179views more  PAMI 2008»
14 years 9 months ago
Modeling, Clustering, and Segmenting Video with Mixtures of Dynamic Textures
A dynamic texture is a spatio-temporal generative model for video, which represents video sequences as observations from a linear dynamical system. This work introduces the mixtur...
Antoni B. Chan, Nuno Vasconcelos