Titlebook: Collaborative Computing: Networking, Applications and Worksharing; 4th International Co Elisa Bertino,James B. D. Joshi Conference proceedi

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Combining Social Networks and Semantic Web Technologies for Personalizing Web Accesso be also exploited in more enhanced applications, such as Web access personalization on the basis of end-users’ preferences. In order to achieve this, it is however necessary to address several issues. One of the most relevant is how to assess the trustworthiness of Web metadata. In this paper, we

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Towards Continuous Workflow Enactment Systemsing a series of steps once, whenever the workflow results are requested. The fundamental underlying assumption has been that data sources are passive and all interactions are structured along the request/reply (query) model. Hence, traditional Workflow Management Systems cannot effectively support b

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The RiverFish Approach to Business Process Modeling: Linking Business Steps to Control-Flow Patterns defined conceptual modeling. This results in growing difficulties for identification, maintenance, and reuse of rules, processes, and control-flow patterns. To mitigate these problems in future implementations, we propose a new approach to business process modeling using conceptual schemas, which r

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A Secure and Efficient Audit Framework for Networked Virtual Environments one or more central servers in a virtual environment setting. Recent studies identify that malicious users may compromise the semantic integrity of NVE applications and violate the semantic rules of the virtual environments without being detected. In this paper, we propose an efficient audit protoc

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Collaborative Attack vs. Collaborative Defensempromised computers. In this paper, we envision what we believe to be the next generation cyber attacks — collaborative attacks. Collaborative attacks can be launched by multiple attackers (i.e., human attackers or criminal organizations), each of which may have some specialized expertise. This is p

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Learning Models of the Negotiation Partner in Spatio-temporal Collaboration problem as an example. The opponent model is represented by the physical characteristics of the agents: the current location and the destination. We assume that the agents do not disclose any of their information voluntarily; the learning needs to rely on the study of the offers exchanged during no

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Protecting Sensitive Information in Directory Services Using Virtual Directoriesion and access control, in collaborative applications within/across organizations. Hence, there is an urgent need to protect the sensitive information they contain. Existing solutions offer minimal protection against insider attacks, a growing threat to both government and industry data services. In

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