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Flexible interactions in complex social and service-oriented collaboration systems increasingly demand for automated adaptation techniques to optimize partner discovery and selection. Today, applications of complex service-oriented systems can be found in crowd sourcing environments. In such environments, collaborations are typically short-lived and strongly influenced by incentives and actor behavior...
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 recommendations. However, text based recommendations approaches depend mainly on user's perspective, languages and notations which easily decrease...
Mobile applications are increasingly taking advantages of the diverse geospatial web services to meet the information needs of their users. However, matching available web services to user's information needs is not a trivial task, as there are many contextual factors that may influence the fitness of use. In addition, mobile activities can be highly dynamic and interleaving, which demand certain...
This paper reports a novel semantic web application developed to deliver a collaborative tagging system for a digital on-line museum. The key features of our application - called the Virtual Museum of the Pacific - concern the browsing and retrieval interface based on Formal Concept Analysis the extensible distributed data model to support collaborative tagging and its web services implementation.
In this paper, the research is based on the system about Consultation style comprehensive prediction of typhoon. On pervasive computing environments based on context-aware integrated forecasting GDSS Typhoon Research and Design. Use Web Service technology in the pervasive computing environments. The introduction of context-awareness to improve collaboration efficiency, and proposed mechanism of universal...
Service-oriented architectures (SOA) are becoming the dominant computing paradigm, where all resources are abstracted as services to form services society. Open-access and easy-visiting of services are keys to services eco-system, thus service search engines will play an increasingly important role. Generally retrieved services are listed and ranked by the content similarities to queries. One problem...
Our research targets collaborative environments with focus on mobility of application. As mobile and wireless technology advances people are no longer bound to their offices. Sharing context information thus becomes a vital part of collaborative environments. However, challenges such as heterogeneous devices, connectivity, and bandwidth arise due to the dynamic nature of distributed, mobile teams...
The evolution towards cross-organizational collaboration and interaction patterns has led to the emergence of scalable, Web services-based composition infrastructures. The success of service-oriented architecture (SOA) was mainly influenced by the standardization of composition languages such as BPEL. However, compositions require humans to be in the loop and ways to interface with people in a service-oriented...
Under web service environment, services' calling or called relationships are usually represented as links. Based on link- or link-content analysis, it may produce tight clusters, which is useful for resource management. However current work only considers the existence of collaboration and it seldom takes service usage context into consideration. In this paper, we suppose to cluster similar services...
As businesses scramble to adopt and implement Adaptive Service-Oriented Architectures (ASOA) it is imperative that adaptive service-oriented thinking become an integral part of the business itself. In this paper we propose a rule driven approach for adaptive business collaboration development in which rules drive and govern the development process. We firstly introduce the Business Collaboration Context...
Web service paradigm and related technologies have provided favorable means for the realization of collaborative business processes. From both conceptual and implementation points of view, the business processes are based on a centralized management approach. Nevertheless, it is very well known that the enterprise-wide process management where processes may span multiple organizational units requires...
This paper focuses on Did@cTIC, a CoP of university teachers, and addresses the issue of capitalizing their teaching experience as well as that of reifying their practices in the form of structured documents. This paper first presents the theoretical framework describing the reification process along with the instrumental approach for tool development. Then, the contextual background and the reification...
Networked enterprises create virtual teams of distributed experts belonging to different enterprises where one user can be part of multiple teams; How to effectively control the sharing of personal and shared context information among members of multiple overlapping teams without compromising their privacy is a challenging research question. This paper describes sharing control in Peer to Peer and...
Grid environments were initially intended to deal with issues surrounding computing-intensive applications. Today, however, the use of Grids has evolved to tackle new horizons such as managing large amounts of data and running business applications that support consumers and casual users. In particular, this evolution towards a general-purpose, Grid service-based infrastructure allows educational...
The Web services paradigm is considered as a revolution for the Web in which a network of heterogeneous software components interoperates and exchanges a dynamic information. This computing technology can be used potentially to compose new distributed collaborative applications and make easy the development of more complex Web process. In this context, Web services based on peer-to-peer computing...
We present the SynCFr framework (synchronization collaboration framework) supporting the management of composite applications and the synchronization of heterogeneous applications and services cooperating within a shared context. SynCFr supports the management of services and applications based on Web APIs, REST interfaces and WSDL/SOAP interfaces. The key element of SynCFr is the cross-application...
This paper presents a policy-based coordination model for team collaboration. Team collaboration requires an agreement that utilizes a negotiation protocol to find candidate teams and to decide on a collaboration partner. The decision relies on policies that are rules governing team situations in an organization. Contexts and rules allow reasoning about team situations. We describe a policy-based...
Acknowledged as important factors for business environments operating as virtual organizations (VOs), trust and reputation are receiving attention also in Grids devoted to scientific applications where problems of finding suitable models and architectures for flexible security management of heterogeneous resources arise. Being these resources highly heterogeneous (from individual users to whole organizations...
Web 2.0 applications have become popular as drivers of new types of Web content, but they have also introduced a new level of interface design in Web development; they are focusing on richer interfaces, user-generated content, and better interworking of Web-based applications. Recognition and utilization the Web 2.0 characteristics requires a reference model to evaluate adaptation of Web based systems...
Groupware specification and development has always been a complex task, requiring special attention to issues such as notification of cooperative actions and ensuring consistency of shared data. Some years ago SAGA was developed as a framework to build groupware applications based on a set of core Web services that provide the most common cooperative functionalities. Despite its potential, the last...
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