Results 31 to 40 of about 728,858 (150)

Educational process modelling with workflow and time Petri nets : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in Computer Science at Massey University, Palmerston North, New Zealand [PDF]

open access: yes, 2005
The research presented in this thesis describes how to use workflow management technology to model educational processes with a time axis. As workflow management technology has been widely used in modelling business processes, it has the potential to ...
Ruan, Yuwen
core  

WfChef: Automated Generation of Accurate Scientific Workflow Generators [PDF]

open access: yesarXiv, 2021
Scientific workflow applications have become mainstream and their automated and efficient execution on large-scale compute platforms is the object of extensive research and development. For these efforts to be successful, a solid experimental methodology is needed to evaluate workflow algorithms and systems.
arxiv  

Heterogeneous Workflows in Scientific Workflow Systems [PDF]

open access: yes, 2007
Workflow systems are used to model a range of scientific and business applications, each requiring a different set of capabilities. We analyze how these heterogeneous approaches can be resolved, look at how existing workflow systems address this and present the solution in Discovery Net, which combines three levels of workflows, control, data and grid,
Patrick Wendel   +3 more
openaire   +2 more sources

Effects of the Interactions Between LPS and BIM on Workflow in Two Building Design Projects [PDF]

open access: yes, 2014
Variability in design workflow causes delays and undermines the performance of building projects. As lean processes, the Last Planner System (LPS) and Building Information Modeling (BIM) can improve workflow in building projects through features that ...
Khan, Sheriz, Tzortzopoulos, Patricia
core  

Verifying the Interplay of Authorization Policies and Workflow in Service-Oriented Architectures (Full version)

open access: yes, 2009
A widespread design approach in distributed applications based on the service-oriented paradigm, such as web-services, consists of clearly separating the enforcement of authorization policies and the workflow of the applications, so that the interplay ...
Barletta, Michele   +2 more
core   +2 more sources

Crowdsourcing complex workflows under budget constraints [PDF]

open access: yes, 2015
We consider the problem of task allocation in crowdsourcing systems with multiple complex workflows, each of which consists of a set of interdependent micro-tasks. We propose Budgeteer, an algorithm to solve this problem under a budget constraint.
Huynh, Trung Dong   +4 more
core   +4 more sources

Workflow Partitioning and Deployment on the Cloud using Orchestra [PDF]

open access: yes, 2014
Orchestrating service-oriented workflows is typically based on a design model that routes both data and control through a single point - the centralised workflow engine. This causes scalability problems that include the unnecessary consumption of the network bandwidth, high latency in transmitting data between the services, and performance bottlenecks.
arxiv   +1 more source

A component-based product line architecture for workflow management systems [PDF]

open access: yes, 2004
This paper presents a component-based product line for workflow management systems. The process followed to design the product line was based on the Catalysis method. Extensions were made to represent variability across the process.
Barroca, Leonor   +3 more
core  

Security-sensitive tackling of obstructed workflow executions [PDF]

open access: yes, 2016
Imposing access control onto workflows considerably reduces the set of users authorized to execute the workflow tasks. Further constraints (e.g. Separation of Duties) as well as unexpected unavailabilty of users may finally obstruct the successful ...
Carmona Vargas, Josep   +2 more
core  

Improving Scientific Workflow with Cloud Offloading [PDF]

open access: yesarXiv, 2017
Scientific workflow is a powerful tool to streamline and organize computational steps of scientific application. This paper presents Emerald, a system that adds sophisticated cloud offloading capabilities to scientific workflows. Emerald automatically offloads computation intensive steps of scientific workflow to the cloud in order to enhance workflow ...
arxiv  

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