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INTERNET
2007
105views more  INTERNET 2007»
13 years 8 months ago
Workflow Planning on a Grid
evel of abstraction, we can represent a workflow as a directed graph with operators (or tasks) at the vertices (see Figure 1). Each operator takes inputs from data sources or from ...
Craig W. Thompson, Wing Ning Li, Zhichun Xiao
BMCBI
2005
140views more  BMCBI 2005»
13 years 8 months ago
Dissecting systems-wide data using mixture models: application to identify affected cellular processes
Background: Functional analysis of data from genome-scale experiments, such as microarrays, requires an extensive selection of differentially expressed genes. Under many condition...
J. Peter Svensson, Renée X. de Menezes, Ing...
WWW
2008
ACM
13 years 8 months ago
Divide, Compress and Conquer: Querying XML via Partitioned Path-Based Compressed Data Blocks
We propose a novel Partition Path-Based (PPB) grouping strategy to store compressed XML data in a stream of blocks. In addition, we employ a minimal indexing scheme called Block S...
Wilfred Ng, Ho Lam Lau, Aoying Zhou
MANSCI
2007
86views more  MANSCI 2007»
13 years 8 months ago
Proper Conditioning for Coherent VaR in Portfolio Management
Value at Risk (VaR) is a central concept in risk management. As stressed by Artzner et al. (1999), VaR may not possess the subadditivity property required to be a coherent measure...
René Garcia, Éric Renault, Georges T...
CONCURRENCY
2000
133views more  CONCURRENCY 2000»
13 years 8 months ago
OpenMP versus threading in C/C++
When comparing OpenMP to other parallel programming models, it is easier to choose between OpenMP and MPI than between OpenMP and POSIX Threads (Pthreads). With languages like C a...
Bob Kuhn, Paul Petersen, Eamonn O'Toole