In the new model, each node saves the trust value of node that is higher than the trust threshold of itself, and the trust data of all nodes in this domain are saved by intra-domain agent.

在新的模型中，每个节点都会保存高于本节点信任门限的节点信任值，由域内代理保存本域内所有节点的信任数据。

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There is an assumption that one node has only one type of resource when building trust groups in previous research.

在以往建立信任团体时，假设一个节点只拥有一种类型的资源，但在实际的网格市场中，一个节点可以拥有多种资源。

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Transaction time factors, transaction scales, and transactions number are introduced to calculate the trust value. Penalty item is used to limit node to provide malicious service.

引入了交易时间和交易规模、交易次数等因素来进行信任值的计算，利用惩罚项来限制交易节点提供恶意服务。

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