Liuzhong Yang

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A novel scheme for item-based recommendation is proposed in this paper. In our framework, the items are described by an undirected weighted graph G = (V, E). V is the node set which is identical to the item set, and E is the edge set. Associate with each edge e ij ∈ E is a weight w ij 0, which represents similarity between items i and j. Without the loss of(More)
Base on the development of geographic information application system (GIAS) building technology and the demand of "vertical multi-level and lateral multi-branch" organization for industry geographic information applications, in the paper, we reveals the background and necessity to establish the GIAS platform and the multilevel structure-oriented GIAS(More)
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