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It is challenging to evaluate the degradation of equipment using data-driven approach, especially for those nonlinear industrial systems working in dynamic environment. In this work, we propose a collaborative contextual anomaly detection method that clusters similar devices with same context into collaborative groups, builds degradation profile for each device, then detects anomalies by comparing...
Consensus reaching process can be seen as a collaborative process in which a panel of decision makers or experts reach an agreement on developing and supporting an alternative representing their best interests. In this process some decision maker(s) may be asked to modify his/her preference(s) or opinion(s) until the final agreement within the whole can be achieved. In this paper, we propose a consensus...
eLearning systems have been in use for a decade to manage content and collaboration. Still the major online source for coursework are open media like Wikipedia, while students' collaborative online activities are focused on online social networks (OSNs) and remain unrelated to learning. In this paper, we report on work-in-progress for socializing online learning. Our work is motivated by exploring...
In the relational approach to fairness, fairness is considered as a social choice that coincides with the maximum set of a fairness relation. Here we consider the application of this approach to achieve general fairness in collaborative systems. The approach is based on posing additional conditions on the fairness relation based on representation of collaboration among agents by a social graph, and...
The heterogeneous knowledge resources of supply chain partner are vital to improve the efficiency of knowledge utilization and knowledge innovation, ultimately enhance the enterprise's competitive advantage. In order to assess the implementation of knowledge sharing activities in supply chain, fuzzy comprehensive evaluation of knowledge sharing is researched. By analyzing the main influence factors...
This paper presents an integration of a multicultural and multilingual wiktionary in human and social sciences in a peer-to-peer network. This on-line dictionary was developed as part of the FSP project to allow researchers from both side of Mediterranean Sea to exchange and to share knowledge in the human and social sciences domain. The present extension would allow off-line collaborative edition,...
Recent reports reveal that users daily consult Web communities opinions for getting an idea about a product/service before they buy it. Furthermore, the same users, freely and without a direct economic return, collaborate in posting new reviews to the community. In most of cases these posts contain an affective content that is needed to explain the meaning of the review, and that is ignored by recent...
Knowledge work in modern organizations is increasingly performed collaboratively by distributed teams. Such collaboration involves dynamically changing situations. Making the collaboration environment fit the needs of these situations is supported by system-initiated adaptation based on the user and team context. Adaptation in the collaboration environment may confuse the users, because they cannot...
User-centeredness has become an essential feature of information systems directly interacting with a user. In this paper we emphasize the importance of a user as an active content creator and contributor, community, and their synergy to achieve better user-centeredness in personalized Web search services. For this, we realize individual-community collaborative scheme integrating information search...
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