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Displaying 1-39 out of 39 total
Approximate Placement of Service-Based Applications in Hybrid Clouds
Found in: 2012 IEEE 21st International Workshop On Enabling Technologies: Infrastructure For Collaborative Enterprises (WETICE)
By Faouzi Ben Charrada,Nourhene Tebourski,Samir Tata,Samir Moalla
Issue Date:June 2012
pp. 161-166
Enterprises are more and more using hybrid cloud environments for the deployment and execution of their applications. A hybrid cloud consists in private clouds that provides and manages some resources of an enterprise that uses others resources provided ex...
 
Scalable Service Containers
Found in: Cloud Computing Technology and Science, IEEE International Conference on
By Sami Yangui,Mohamed Mohamed,Samir Tata,Samir Moalla
Issue Date:December 2011
pp. 348-356
Cloud Computing is a new supplement, consumption, and delivery model for IT services based on Internet protocols. It typically involves provisioning of dynamically scalable and often virtualized resources. In this environment, there are several issues rela...
 
Web Service Micro-Container for Service-based Applications in Cloud Environments
Found in: Enabling Technologies, IEEE International Workshops on
By Mohamed Mohamed, Sami Yangui, Samir Moalla, Samir Tata
Issue Date:June 2011
pp. 61-66
Cloud computing describes a new supplement, consumption, and delivery model for IT services based on Internet protocols, and it typically involves provisioning of dynamically scalable and often virtualized resources. In this paper, we propose to design and...
 
Correction to “The Integration of Corporate Security Strategies in Collaborative Business Processes”
Found in: IEEE Transactions on Services Computing
By Youakim Badr,Frédérique Biennier,Samir Tata
Issue Date:January 2012
pp. 144
No summary available.
 
Time-Based Evaluation of Service-Based Business Process Elasticity in the Cloud
Found in: 2013 IEEE 5th International Conference on Cloud Computing Technology and Science (CloudCom)
By Mourad Amziani,Kais Klai,Tarek Melliti,Samir Tata
Issue Date:December 2013
pp. 573-580
Cloud environments are being increasingly used for the deployment and execution of service-based business processes (SBPs). Among other properties, cloud provides elasticity in order to guarantee provisioning of necessary resources that ensure a smooth fun...
 
Monitoring and Reconfiguration for OCCI Resources
Found in: 2013 IEEE 5th International Conference on Cloud Computing Technology and Science (CloudCom)
By Mohamed Mohamed,Djamel Belaid,Samir Tata
Issue Date:December 2013
pp. 539-546
Monitoring and reconfiguration are critical issues in Cloud environments. Monitoring allows to detect violations and specific events, while reconfiguration allows to activate corrective mechanisms or runtime modifications. In this paper we propose an exten...
 
PaaS-Independent Provisioning and Management of Applications in the Cloud
Found in: 2013 IEEE 6th International Conference on Cloud Computing (CLOUD)
By Mohamed Sellami,Sami Yangui,Mohamed Mohamed,Samir Tata
Issue Date:June 2013
pp. 693-700
The study we have conducted of existing cloud platforms shows that their operating requires the use of specific and proprietary APIs. This PaaS providers' policy is hampering the interactions between different clouds. If appropriate solutions are not consi...
 
Formal Modeling of Elastic Service-Based Business Processes
Found in: 2013 IEEE International Conference on Services Computing (SCC)
By Kais Klai,Samir Tata
Issue Date:June 2013
pp. 424-431
Cloud environments are being increasingly used for deploying and executing business processes and particularly service-based business processes (SBPs). One of the expected facilities of Cloud environments is elasticity at different levels. In this work, we...
 
Formal Abstraction and Compatibility Checking of Web Services
Found in: 2013 IEEE International Conference on Web Services (ICWS)
By Kais Klai,Hanen Ochi,Samir Tata
Issue Date:June 2013
pp. 163-170
For automatically composing Web services in a correct manner, information about their behaviors (an abstract model) has to be published in a repository. This abstract model must be sufficient to decide whether two, or more, services are compatible (the com...
 
Self-Managed Micro-containers for Service-Based Applications in the Cloud
Found in: 2013 IEEE 22nd International Workshop On Enabling Technologies: Infrastructure For Collaborative Enterprises (WETICE)
By Mohamed Mohamed,Djamel Belaid,Samir Tata
Issue Date:June 2013
pp. 140-145
Cloud computing enables an economic model for virtual resources provisioning based on Internet protocols. For this paradigm, service oriented Architecture (SOA) is a pillar block to build applications. For service-based applications in the cloud, managemen...
 
Formal Modeling and Evaluation of Service-Based Business Process Elasticity in the Cloud
Found in: 2013 IEEE 22nd International Workshop On Enabling Technologies: Infrastructure For Collaborative Enterprises (WETICE)
By Mourad Amziani,Tarek Melliti,Samir Tata
Issue Date:June 2013
pp. 284-291
Cloud computing is a new delivery model for IT services. Cloud platforms are being increasingly used for the deployment and execution of service-based business processes (SBPs). Nevertheless, the provisioning of elastic infrastructures and/or platforms is ...
 
CloudServ: PaaS Resources Provisioning for Service-Based Applications
Found in: 2013 IEEE 27th International Conference on Advanced Information Networking and Applications (AINA)
By Sami Yangui,Samir Tata
Issue Date:March 2013
pp. 522-529
Cloud Computing involves typically provisioning of virtualized and often dynamically scalable resources for IT services operating. Study of developed Cloud platforms shows that they present limitation related to deployment and running of service-based appl...
 
Adding Monitoring and Reconfiguration Facilities for Service-Based Applications in the Cloud
Found in: 2013 IEEE 27th International Conference on Advanced Information Networking and Applications (AINA)
By Mohamed Mohamed,Djamel Belaid,Samir Tata
Issue Date:March 2013
pp. 756-763
Cloud computing is a recent paradigm in information technology enabling an economic model for virtual resources provisioning. For this paradigm, service oriented Architecture (SOA) is a pillar block to build applications. To efficiently manage service-base...
 
Mobile Service Micro-containers for Cloud Environments
Found in: 2012 IEEE 21st International Workshop On Enabling Technologies: Infrastructure For Collaborative Enterprises (WETICE)
By Aya Omezzine,Sami Yangui,Narjes Bellamine,Samir Tata
Issue Date:June 2012
pp. 154-160
Study of mobility on Cloud infrastructures and platforms shows that they present limitation related to deployment and running of service-based applications that are built from heterogeneous services (heterogeneous programming languages, communication proto...
 
Implementation of Communities of Web Service Registries
Found in: Web Services, IEEE International Conference on
By Mohamed Sellami,Walid Gaaloul,Samir Tata
Issue Date:July 2011
pp. 690-691
In this paper, we propose to use communities as a mean to organize Web services registries in a multi-registry environment. First, we propose a semantic model for Web services registry description (WSRD). A WSRD description depicts the functionalities offe...
 
Composition Context Matching for Web Service Recommendation
Found in: Services Computing, IEEE International Conference on
By Nguyen Ngoc Chan,Walid Gaaloul,Samir Tata
Issue Date:July 2011
pp. 624-631
In a service oriented B2B context, companies are aiming to cooperate and interact with others to dynamically create added value services by composing them. The tremendous growth in the amount of available web services impulses many researches on proposing ...
 
Conceptual Analysis of Transactional-, Capacity-Driven Web Services
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Zakaria Maamar, Sami Bhiri, Samir Tata, Khouloud Boukadi, Wathiq Mansoor
Issue Date:March 2011
pp. 247-252
This paper examines capacity-driven Web services from a transactional perspective. Such services are empowered with different sets of operations that are selectively triggered in response to requirements posed on them and hence, need to be satisfied. Each ...
 
A Web Service Recommender System Using Vector Space Model and Latent Semantic Indexing
Found in: Advanced Information Networking and Applications, International Conference on
By Nguyen Ngoc Chan, Walid Gaaloul, Samir Tata
Issue Date:March 2011
pp. 602-609
The tremendous growth in the amount of available web services (WS) impulses many researchers on proposing recommender systems to help users discover services. Most of the proposed solutions analyzed query strings and web service descriptions to generate re...
 
Web Services Recommendation Based on User's Behavior
Found in: E-Business Engineering, IEEE International Conference on
By Nguyen Ngoc Chan, Walid Gaaloul, Samir Tata
Issue Date:November 2010
pp. 214-221
The tremendous growth in the amount of available web services (WS) impulses many researchers on proposing recommender systems to help users discover services. Most of the proposed solutions analyzed query strings and web service descriptions to generate re...
 
Functionality-Driven Clustering of Web Service Registries
Found in: Services Computing, IEEE International Conference on
By Mohamed Sellami, Walid Gaaloul, Samir Tata
Issue Date:July 2010
pp. 631-634
Web service registries play an important role in service oriented applications. They constitute the market where service consumers and providers go to search and advertise Web services. With the proliferation of Web service registries, finding an adequate ...
 
The Integration of Corporate Security Strategies in Collaborative Business Processes
Found in: IEEE Transactions on Services Computing
By Youakim Badr,Frédérique Biennier,Samir Tata
Issue Date:July 2011
pp. 243-254
In response to increasing economical constraints, enterprise organization has evolved toward new structures such as networked enterprise, supply chains, virtual enterprise, or collaborative business organizations. This structural organization requires the ...
 
Using Recommendation to Limit Search Space in Web Services Discovery
Found in: Advanced Information Networking and Applications, International Conference on
By Mohamed Sellami, Walid Gaaloul, Samir Tata, Mohamed Jmaiel
Issue Date:April 2010
pp. 974-981
The discovery of suitable Web services for a given task is one of the central operations in Service-Oriented Architectures, and research on Web services (WS)s aims at automating this step. For the large amount of available WSs that can be expected in real-...
 
How do Goals Drive the Engineering of Capacity-Driven Web Services?
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Zakaria Maamar, Samir Tata, Djamal Benslimane, Philippe Thiran
Issue Date:April 2010
pp. 379-386
This paper discusses a goal-based approach for the engineering of capacity-driven Web services. In this approach goals are set to define the roles that these Web services could play in business applications, to frame the requirements that could be put on t...
 
YASA-M: A Semantic Web Service Matchmaker
Found in: Advanced Information Networking and Applications, International Conference on
By Yassin Chabeb, Samir Tata, Alain Ozanne
Issue Date:April 2010
pp. 966-973
In this paper, we present new algorithms for matching Web services described in YASA4WSDL (YASA for short). We have already defined YASA, a semantic description of services that overcomes some issues in WSDL or SAWSDL. In this paper, we continue on our con...
 
Toward an Integrated Ontology for Web Services
Found in: Internet and Web Applications and Services, International Conference on
By Yassin Chabeb, Samir Tata, Djamel Belaïd
Issue Date:May 2009
pp. 462-467
The lack of semantics in Web Services Description Language (WSDL) prevents automatic discovery and hence automatic invocation and composition. In our work, we are interested in extending existing approaches for the description of Semantic Web Services. Pre...
 
A Recommender System for Web Services Discovery in a Distributed Registry Environment
Found in: Internet and Web Applications and Services, International Conference on
By Mohamed Sellami, Samir Tata, Zakaria Maamar, Bruno Defude
Issue Date:May 2009
pp. 418-423
In this paper, we discuss the suitability of using recommendation techniques for Web service discovery in distributed registry environments. The architecture we adopt consists in structuring registries of Web services into groups. We propose to adapt exist...
 
Towards an Approach to Defining Capacity-Driven Web Service
Found in: Advanced Information Networking and Applications, International Conference on
By Zakaria Maamar, Samir Tata, Djamel Belaïd, Khouloud Boukadi
Issue Date:May 2009
pp. 403-410
This paper is an overview of how capacity-driven Web services are defined and put into action. Because of the specificities of these Web services compared to regular(i.e., mono-capacity) Web services, the way they are looked into is different and occurs th...
 
CoopFlow: A Bottom-Up Approach to Workflow Cooperation for Short-Term Virtual Enterprises
Found in: IEEE Transactions on Services Computing
By Samir Tata, Kais Klai, Nomane Ould Ahmed M'Bareck
Issue Date:October 2008
pp. 214-228
In a context of short-term cooperation, enterprises with complementary skills are dynamically interconnected according to their needs. To deal with requirements in a such cooperation, we present in this paper CoopFlow that aims at providing a useful artifa...
 
Towards An Approach for Enhancing Web Services Discovery
Found in: Enabling Technologies, IEEE International Workshops on
By Nomane Ould Ahmed M'Bareck, Samir Tata, Zakaria Maamar
Issue Date:June 2007
pp. 357-364
This paper discusses the added-value of combining users' preferences and Web services' capacities during the process of discovering the Web services that permit satis- fying users' needs. The needs, preferences, and capacities vary over time, which require...
 
How to Consider Requester's Preferences to Enhance Web Service Discovery?
Found in: Internet and Web Applications and Services, International Conference on
By Nomane Ould Ahmed M'Bareck, Samir Tata
Issue Date:May 2007
pp. 59
Web services provide standard means to promote interoperability and extensibility among software applications, as well as to allow them to be combined in order to perform more complex operations. Therefore web services have to be described, published, disc...
 
Abstraction-basedWorkflow Cooperation Using Petri Net Theory
Found in: Enabling Technologies, IEEE International Workshops on
By Kais Klai, Samir Tata
Issue Date:June 2005
pp. 113-120
The work we present here is in line with a novel approach to inter-organizational workflow cooperation that consists of three steps: workflow advertisement, workflow interconnection, and workflow cooperation. This approach is inspired by the Service-orient...
 
DMC - Distributed and Mobile Collaboration Workshop Report
Found in: Enabling Technologies, IEEE International Workshops on
By Schahram Dustdar, Harald Gall, Nikolay Mehandjiev, Samir Tata
Issue Date:June 2005
pp. 47-54
<p>The increased need for people and organizations to continue collaborating whilst changing physical location and crossing organizational boundaries has resulted in a wave of new supporting technologies, and generated interest in tackling some of th...
 
Cooperation Policies for Inter-organizational Workflows
Found in: Applications and the Internet Workshops, IEEE/IPSJ International Symposium on
By Issam Chebbi, Samir Tata, Schahram Dustdar
Issue Date:February 2005
pp. 222-225
In the context of inter-organizational workflows, interactions between partners should be constructive, complementary, and guide the work toward the objective of organizations involved in the workflow. Within our approach, inter-organizational workflow coo...
 
A Bottom-Up Approach to Inter-Enterprise Business Processes
Found in: Enabling Technologies, IEEE International Workshops on
By Samir Tata, Issam Chebbi
Issue Date:June 2004
pp. 129-134
This paper presents a bottom-up approach for inter-enterprise business processes cooperation. This approach uses preestablished business processes of the different potential partners and interconnects them, using cooperation policies. The approach provides...
 
Modeling contribution for virtual enterprise support
Found in: Enabling Technologies, IEEE International Workshops on
By Samir Tata, Imed Boughzala
Issue Date:June 2003
pp. 165
The design or the realization of any project implies the involvement of a set of agents that can be individuals, teams or enterprises. These agents share resources and competencies, similar or dissimilar, and cooperate in order to reach some shared objecti...
 
DAT: Dependency Analysis Tool for Service Based Business Processes
Found in: 2014 IEEE 28th International Conference on Advanced Information Networking and Applications (AINA)
By Olfa Bouchaala,Mohamed Yangui,Samir Tata,Mohamed Jmaiel
Issue Date:May 2014
pp. 621-628
Control and data dependencies represent prominent information for modeling, managing, testing and optimizing service based business processes (SBPs). BPMN 2.0, as a twofold-purpose language, can be used to both mode land execute these SBPs. However, there ...
 
PaaS-Independent Approach to Provision Appropriate Cloud Resources for SCA-based Applications Deployment
Found in: 2013 Ninth International Conference on Semantics, Knowledge and Grids (SKG)
By Sami Yangui,Marwa Ben Nasrallah,Samir Tata
Issue Date:October 2013
pp. 14-21
The adoption of Cloud Computing as a new business model has induced the proliferation of platform providers. However, the platform as-a-service (PaaS) concept still has several drawbacks to address before it can become widely used. In fact, PaaS involves s...
 
An implicit approach for building communities of web service registries
Found in: Proceedings of the 13th International Conference on Information Integration and Web-based Applications and Services (iiWAS '11)
By Mohamed Sellami, Samir Tata, Walid Gaaloul
Issue Date:December 2011
pp. 230-237
In a service oriented B2B context, companies aiming to cooperate and interact with others have to make their services available through private service registries. Since the number of registries can be as large as the number of companies, the resulting reg...
     
Policies for cooperative hypermedia systems: concepts and prototype implementation
Found in: Proceedings of the thirteenth conference on Hypertext and hypermedia (HYPERTEXT '02)
By Claude Godart, Samir Tata, Uffe K. Wiil
Issue Date:June 2002
pp. 140-141
The objective of this work is to develop a cooperative hypermedia framework that enables actors to cooperatively create, use, and modify versioned hypermedia documents. A rich set of cooperation policies, based on hypermedia documents, access rights, and s...
     
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