Research on Task-focused Massive Multi-source Heterogeneous Information Sharing & Utilizing Method

Document Type : Original Article

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Science and Technology on Information Systems Engineering Laboratory, Nanjing Research Institute of Electronics Engineering, Nanjing, China.

Abstract

Nowadays the famous search engine companies are all providing the keyword web search capabilities. No one provides the high accurate & efficient user-requirementsoriented information Services. The task-focused massive multi-source heterogeneous information sharing & utilizing method and system is introduced in this paper. This paper presents the general metadata description model of heterogeneous information resource, the metadata extraction method of information resource, the service encapsulation method and registration publication mechanism of information resource,
in order to standard the sharing process of large amounts of heterogeneous information resource. And then, the implement mechanism of information collection and index construction for huge amounts of information resource is given in the paper, by designing the optimized algorithm based on the map-reduce mechanism. Finally, the task-focused massive multi-source heterogeneous information precision searching mechanism is given in the paper in order to realize the information sharing and effective user of resources.

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