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Displaying 1-11 out of 11 total
A Service-Based Framework for Flexible Business Processes
By Danilo Ardagna, Luciano Baresi, Sara Comai, Marco Comuzzi, Barbara Pernici
Issue Date:March 2011
A framework for the design and enactment of flexible and adaptive business processes combines design-time and runtime mechanisms to offer a single integrated solution. The design-time environment supports the specification of process-driven Web application...
A Semantic Based Framework for Supporting Negotiation in Service Oriented Architectures
E-Commerce Technology, IEEE International Conference on
By Marco Comuzzi, Kyriakos Kritikos, Pierluigi Plebani
Issue Date:July 2009
Negotiation is required before invoking a service in order to identify how the invocation must occur in terms of functional and non-functional criteria. This process is possible when all the involved parties agree on the same negotiation protocol (e.g., bi...
Establishing and Monitoring SLAs in Complex Service Based Systems
Web Services, IEEE International Conference on
By Marco Comuzzi, Constantinos Kotsokalis, George Spanoudakis, Ramin Yahyapour
Issue Date:July 2009
In modern service economies, service provisioning needs to be regulated by complex SLA hierarchies among providers of heterogeneous services, defined at the business, software, and infrastructure layers. Starting from the SLA Management framework defined i...
A Framework for Hierarchical and Recursive Monitoring of Service Based Systems
Internet and Web Applications and Services, International Conference on
By Marco Comuzzi, George Spanoudakis
Issue Date:May 2009
Runtime monitoring of Service Based Systems (SBSs) usually relies on information derived from I/O messages exchanged within business processes implementing services. When service provisioning is regulated by complex Service Level Agreements (SLAs) between ...
PAWS: A Framework for Executing Adaptive Web-Service Processes
By Danilo Ardagna, Marco Comuzzi, Enrico Mussi, Barbara Pernici, Pierluigi Plebani
Issue Date:November 2007
The PAWS (Processes with Adaptive Web Services) framework facilitates flexible and adaptive execution of managed Web-service-based business processes. The framework coherently integrates several service-adaptation modules and uniquely couples design-time a...
An Architecture for Flexible Web Service QoS Negotiation
Enterprise Distributed Object Computing Conference, IEEE International
By Marco Comuzzi, Barbara Pernici
Issue Date:September 2005
<p>The web service selection phase is usually driven only by functional requirements. Non functional requirements, such as quality of service, should be negotiated by the service consumer and the service provider during service invocation in order to...
Trade-Off Based Negotiation of Traffic Conditioning and Service Level Agreements in DiffServ Networks
Advanced Information Networking and Applications, International Conference on
By Marco Comuzzi, Chiara Francalanci, Paolo Giacomazzi
Issue Date:March 2005
The paper faces the problem of the runtime negotiation on the Traffic Conditioning Agreement (TCA) and Service Level Agreement (SLA) in IP Differentiated Services (Diff-Serv) networks. A first contribution of the paper with respect to previous literature i...
Customized Infrastructures for Monitoring Business Processes
2014 IEEE 8th International Symposium on Service Oriented System Engineering (SOSE)
By Marco Comuzzi,Ruben Ivan Rafael Martinez
Issue Date:April 2014
Process enactment technology provides native tools and add-ons for monitoring, such as APIs and monitoring consoles, which are usually highly entangled with the underlying process enactment logic and not customizable by process users. In such a case, all u...
A survey on service quality description
Found in: ACM Computing Surveys (CSUR)
By Barbara Pernici, Cinzia Cappiello, Ivona Brandic, Kyriakos Kritikos, Marco Comuzzi, Pierluigi Plebani, Attila Kertész, Manuel Carro, Michael Parkin, Salima Benrernou
Issue Date:October 2013
Quality of service (QoS) can be a critical element for achieving the business goals of a service provider, for the acceptance of a service by the user, or for guaranteeing service characteristics in a composition of services, where a service is defined as ...
A framework for QoS-based Web service contracting
Found in: ACM Transactions on the Web (TWEB)
By Barbara Pernici, Marco Comuzzi
Issue Date:June 2009
The extensive adoption of Web service-based applications in dynamic business scenarios, such as on-demand computing or highly reconfigurable virtual enterprises, advocates for methods and tools for the management of Web service nonfunctional aspects, such ...
Agent-based negotiation in cooperative processes: automatic support to underwriting insurance policies
Found in: Proceedings of the 6th international conference on Electronic commerce (ICEC '04)
By Chiara Francalanci, Marco Comuzzi
Issue Date:October 2004
In a cooperative context, negotiation represents the process that allows organizations to create a base of common knowledge. Organizations have at the same time shared and divergent objectives and, thus, negotiating the characteristics of a common knowledg...
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