Computer Science ›› 2012, Vol. 39 ›› Issue (Z11): 197-199.
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Abstract: The key technology of meta search engine is ranking algorithm. Based on the research of ranking algorithms,we establish a reasonable mathematical model to describe basic methods of ranking algorithms for meta search engine through a series of steps including simplification. By combining with market shares and search results of each search engine, we then propose a new ranking algorithm which is simple and easy to implement
Key words: Temporal expression, Rule, Time expression type, Maximum entropy model,Natural language processing
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