Abstract
The rapid development of information technology offers people a broad information-sharing platform. We can get relevant information through information retrieval tools. In order to get higher search efficiency, the information retrieval technologies based on semantic grid are discussed. Based on analysis of the technologies of grid, semantic grid and information retrieval, the architecture of grid information retrieval system is brought out and a common model of grid information retrieval is established. The grid platform based on Globus toolkit is built which is made as the basic development platform of the system, the semantic grid information retrieval system under that platform is realized, and the designed model and algorithm are implemented and the specific experimental tests is realized. The result shows that the system has better retrieval recall factor and pertinency factor than the conventional retrieval methods, and the feasibility of system model is verified.
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