Results 1 - 10 of 3,506

Workflow Evolution

by F. Casati, S. Ceri, B. Pernici, G. Pozzi - Data and Knowledge Engineering , 1996
"... A basic step towards flexibility in workflow systems is the consistent and effective management of workflow evolution, i.e., of changing existing workflows while they are operational. In this area, the most challenging issue is the handling of running instances when their schema is modified: simple ..."
Abstract - Cited by 207 (3 self) - Add to MetaCart
A basic step towards flexibility in workflow systems is the consistent and effective management of workflow evolution, i.e., of changing existing workflows while they are operational. In this area, the most challenging issue is the handling of running instances when their schema is modified

Quality of service for workflows and web service processes

by Jorge Cardoso, John Miller, Amit Sheth, Jonathan Arnold - Journal of Web Semantics , 2004
"... Workflow management systems (WfMSs) have been used to support various types of business processes for more than a decade now. In workflows for e-commerce and Web-services applications, suppliers and customers define a binding agreement or contract between the two parties, specifying Quality of Servi ..."
Abstract - Cited by 206 (19 self) - Add to MetaCart
Workflow management systems (WfMSs) have been used to support various types of business processes for more than a decade now. In workflows for e-commerce and Web-services applications, suppliers and customers define a binding agreement or contract between the two parties, specifying Quality

The WSLA framework: Specifying and monitoring service level agreements for web services

by Alexander Keller, Heiko Ludwig - JOURNAL OF NETWORK AND SYSTEMS MANAGEMENT , 2003
"... We describe a novel framework for specifying and monitoring Service Level Agree-ments (SLA) for Web Services. SLA monitoring and enforcement become increasingly important in a Web Service environment where enterprise applications and services rely on services that may be subscribed dynamically and o ..."
Abstract - Cited by 308 (6 self) - Add to MetaCart
-domain management scenario, such as business process and service management, or the management of net-works, systems and applications in general. The WSLA framework consists of a flexible and extensible language based on XML Schema and a runtime architecture comprising several SLA monitoring services, which may

A survey of data provenance in e-science

by Yogesh L. Simmhan, Beth Plale, Dennis Gannon - SIGMOD Record , 2005
"... Data management is growing in complexity as largescale applications take advantage of the loosely coupled resources brought together by grid middleware and by abundant storage capacity. Metadata describing the data products used in and generated by these applications is essential to disambiguate the ..."
Abstract - Cited by 296 (21 self) - Add to MetaCart
on scientific workflow approaches. The main aspect of our taxonomy categorizes provenance systems based on why they record provenance, what they describe, how they represent and store provenance, and ways to disseminate it. The survey culminates with an identification of open research problems in the field. 1.

Application performance and flexibility on Exokernel systems

by M. Frans Kaashoek, Dawson R. Engler, Gregory R. Ganger, Héctor M. Briceño, Russell Hunt, David Mazières, Thomas Pinckney, Robert Grimm, John Jannotti, Kenneth Mackenzie - In Proceedings of the Sixteenth ACM Symposium on Operating Systems Principles , 1997
"... The exokernel operating system architecture safely gives untrusted software efficient control over hardware and software resources by separating management from protection. This paper describes an exokernel system that allows specialized applications to achieve high performance without sacrificing t ..."
Abstract - Cited by 207 (10 self) - Add to MetaCart
their resources (e.g., a factor of eight for a Web server). This paper also describes insights about the exokernel approach gained through building three different exokernel systems, and presents novel approaches to resource multiplexing. 1

An Approach to a Web-based Flexible Workflow Modeling

by Dongbo Yan, Xiu-tian William, J. Ion, Wang Runxiao, Tong Xufeng
"... Abstract: The effective implementation of workflow system in manufacture enterprises enables the enterprises to achieve the benefits associated with the integration, automation and management of their business process. But the conventional workflow model based approach hinders the change of workflow ..."
Abstract - Add to MetaCart
can be modelled flexibly and concisely without the need of redefinition of workflow model. The flexibility of resource allocation in the workflow model is also introduced; finally the paper describes the implementation of the flexible workflow model using a Web-based flexible customer service system.

Dynamic Workflow Management on the Web

by Gottfried Vossen, Mathias Weske, Gregor Wittkowski , 1996
"... Workflow management has gained increasing attention recently, since it allows to combine a data-oriented view on applications, which is the traditional one for an information system, with a process-oriented one in which activities and their occurrence over time are modeled and supported properly. Wh ..."
Abstract - Cited by 2 (1 self) - Add to MetaCart
Workflow management has gained increasing attention recently, since it allows to combine a data-oriented view on applications, which is the traditional one for an information system, with a process-oriented one in which activities and their occurrence over time are modeled and supported properly

Flexible Workflow Management in the OPENflow system

by J. J. Halliday, S. K. Shrivastava, S. M. Wheater - IN 4TH INTERNATIONAL ENTERPRISE DISTRIBUTED OBJECT COMPUTING CONFERENCE (EDOC 2001 , 2001
"... Workflow management systems are required to provide flexible ways of managing workflows as the business processes they represent frequently require changes over time. Provision of flexibility features in workflow management systems is very much a research issue as workflow systems in use today have ..."
Abstract - Cited by 28 (0 self) - Add to MetaCart
Workflow management systems are required to provide flexible ways of managing workflows as the business processes they represent frequently require changes over time. Provision of flexibility features in workflow management systems is very much a research issue as workflow systems in use today have

ELM-ART: An intelligent tutoring system on World Wide web

by Peter Brusilovsky, Elmar Schwarz, Gerhard Weber , 1996
"... Abstract: Making ITS available on the World Wide Web (WWW) is a way to integrate the flexibility and intelligence of ITS with world-wide availability of WWW applications. This paper discusses the problems of developing WWW-available ITS and, in particular, the problem of porting existing ITS to a WW ..."
Abstract - Cited by 217 (22 self) - Add to MetaCart
Abstract: Making ITS available on the World Wide Web (WWW) is a way to integrate the flexibility and intelligence of ITS with world-wide availability of WWW applications. This paper discusses the problems of developing WWW-available ITS and, in particular, the problem of porting existing ITS to a

AGENT WORK: a workflow system supporting rule-based workflow adaptation

by Robert Müller, Ulrike Greiner, Erhard Rahm - Data & Knowledge Engineering
"... Current workflow management systems still lack support for dynamic and automatic workflow adaptations. However, this functionality is a major requirement for next-generation workflow systems to provide sufficient flexibility to cope with unexpected failure events. We present the concepts and impleme ..."
Abstract - Cited by 103 (0 self) - Add to MetaCart
Current workflow management systems still lack support for dynamic and automatic workflow adaptations. However, this functionality is a major requirement for next-generation workflow systems to provide sufficient flexibility to cope with unexpected failure events. We present the concepts
Results 1 - 10 of 3,506