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In the collaborative systems, in order to establish successful and protected collaboration, the trust management is first established between the participating entities and the trust score of each entity is calculated. This score is obtained based on the three trust criteria (satisfaction, reputation and recommendation) that are redefined and reused in our model: Tr-OrBAC. The evaluation of these...
With the rapid advances in information technology (IT) in last few decades, software development has become a high-growth industry. While the software development process is an extremely complicated, iterative, unpredictable, knowledge-intensive, as well as an expensive process, a supportive collaborative information system (CIS) is indispensible for allowing complex interdependencies among globally...
Reputation of Web service plays an important role in selecting the best service from massive services. Traditional approaches of measuring Web service reputation are based on all the historical ratings. Although these approaches are effective in the same context environment, they fail in obtaining accurate reputation measurement when users' context is different. In this paper, we propose a context-based...
With gaining the benefit of the cross-language and cross-platform characteristics of Service-Oriented Computing (SOC), Service-Oriented Multi-Agent System (SOMAS) has attracted many researcher's attention. SOMAS gives intelligent and autonomous properties to overcome the limitations of SOC such as hardly adaptive to the open and dynamic environment. In this paper, we focus on the service reliability...
Crowdsourcing is a new distributed computing paradigm that leverages the wisdom of crowd and the voluntary human effort to solve problems or collect data. In this context, trustworthiness of user contributions is of crucial importance to the viability of crowdsourcing. Prior mechanisms either do not consider the trustworthiness or quality of contributions or have to assess it only after workers' submission...
Distributed hash tables (DHTs), such as Chord and Kademlia, offer an efficient means to locate resources in peer-to-peer networks. Unfortunately, malicious nodes on a lookup path can easily subvert such queries. Several systems, including Halo (based on Chord) and Kad (based on Kademlia), mitigate such attacks by using redundant lookup queries. Much greater assurance can be provided; we present Reputation...
In the distributed commercial environment, many enterprises utilize Web services to provide their resources such as data and applications to consumers. They collaborate with other relevant enterprises to accomplish tasks by sharing processes and resources. However, it is difficult to find the appropriate web service combination for enterprise, because the Quality of Services (QoS) that are widely...
Tremendous amounts and types of information are available on today's battlefields. Military intelligence analysts are responsible for sifting through this information and providing commanders with the appropriate portion that is accurate, timely, and relevant to their particular mission characteristics. There is no doubt that analysts would benefit from automated tools to help them quickly identify...
Most of the work has emphasized upon of the underlying Information and Communication Technologies ICT infrastructure since the concept of e-maintenance was introduced. The main issue of the carried out works related to “e-maintenance” is integrating different systems relative to maintenance into one information system. This paper aims to reconsider the predominance of ICT within e-maintenance projects...
The present article reports a study on the motivation for publishing research datasets in the open data linking intention and action in regard to publishing datasets. This research study was designed to broaden understanding of the behavioral nature of publishing research datasets by distinguishing between the intention to share and the action of sharing. The data was generated from preliminary survey...
Cloud computing is an emerging paradigm able of flexibly offering IT resources and services over the Internet. Cloud computing's high flexibility needs novel software engineering approaches, and technologies to deliver agile, flexible, scalable yet secure software solutions with full technical (e.g. QoS, service continuity etc.) and business gain (e.g. profit, corporate value, utility etc.). Agile...
Business fields characterized by collective activities are numerous and require well-adapted software-based services to improve the efficiency of business collaborations. The design of services supporting the activities in such domains is usually ad-hoc and relies on the know-how of various involved actors. Based on our experience of designing innovative services for Architecture, Engineering and...
Complex networks consisting of humans and software services, such as Web-based social and collaborative environments, typically require flexible and context-based interaction models. Due to the dynamics in such systems, networks are in a state of constant flux and change. Several fundamental concepts, including discovery, interactions, task delegations and executions are no longer based on static...
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...
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