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Wireless sensor network gets more and more applications in coal mine. In this article, the routing protocols are classified in four kinds which are query-based routing protocol, cluster-based routing protocol, geographic-based routing protocol and dependable routing protocol by data acquisition in coal mine. The article analyses every kind of routing protocols and enumerates these protocols' advantages...
With the expand of user and item scales, user-ratings are becoming extremely sparse, and recommender systems use traditional collaborative filtering are facing serious challenges. To ease these problems, many optimized methods combining with items have been put forward, most of which adopt user-ratings to compute item similarity. However, it is noticed that the similarity between items is independent...
Artificial immune system (AIS) depends on the existence of both sensor and communication ranges (assumed circles) with which a single agent can collect and convey information to other agents within the range. On analyses of AIS, agent and workflow, a workflow model of AIS based agent (aiAgent) is proposed. Inspired by the self-develop and learn of human immune system, AIS is referred as a novel evolutionary...
In order to resolve the security problems due to the dynamics and uncertainty of grid environment, a trust model based on autonomous domain is developed in this paper, it discriminates the trust relationships between entities in the same autonomous domain and in different domains and handles the two different trust relationships in different approaches. By doing this, the trust relationships between...
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