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» An Optimal Process Model for a Real Time Process
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SIGMOD
1995
ACM
80views Database» more  SIGMOD 1995»
15 years 10 months ago
Join Queries with External Text Sources: Execution and Optimization Techniques
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
Surajit Chaudhuri, Umeshwar Dayal, Tak W. Yan
ZEUS
2010
180views Communications» more  ZEUS 2010»
15 years 8 months ago
An efficient approach to detect lack of synchronization in acyclic workflow graphs
Control-flow analysis of business process models requires to check the absence of lack of synchronization. We use workflow graphs, which may contain inclusive OR gateways, to repre...
Cédric Favre
CSDA
2006
84views more  CSDA 2006»
15 years 6 months ago
Extremal financial risk models and portfolio evaluation
It is difficult to find an existing single model which is able to simultaneously model exceedances over thresholds in multivariate financial time series. A new modeling approach, ...
Zhengjun Zhang, James Huang
PE
2010
Springer
133views Optimization» more  PE 2010»
15 years 5 months ago
Positive Harris recurrence and diffusion scale analysis of a push pull queueing network
We consider a push pull queueing system with two servers and two types of jobs which are processed by the two servers in opposite order, with stochastic generally distributed proc...
Yoni Nazarathy, Gideon Weiss
ANOR
2004
143views more  ANOR 2004»
15 years 6 months ago
Model Independent Parametric Decision Making
Accurate knowledge of the effect of parameter uncertainty on process design and operation is essential for optimal and feasible operation of a process plant. Existing approaches de...
Ipsita Banerjee, Marianthi G. Ierapetritou