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FUKUSHIMA~+——AN IMPROVED FUKUSHIMA METHOD |
Deng Hancheng |
(Nanjing University of Science & Technology) |
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Abstract Based on the analysis of the short comings of Fukushima method and its origin,a new method called Fukushima+ i s presented in this paper.More than 300 retrieval prescriptions used in the int ernational online retrieval have been processed by both Fukushima method and F ukushima+ on AST 386 microcomputer.The results indicate that the maximum number of working areas needed for all the qu ery formulations in Fukushima+ is only 5,but in original Fukushima method 5-7 working areas are required for only 63% of query formulations with 17% of overflow rate.
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Received: 13 October 1993
Published: 25 June 1994
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Corresponding Authors:
Deng Hancheng
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About author:: Deng Hancheng |
1 邵品洪等.计算机情报检索.北京:电子工业出版,1986.
2 顾耀芳等.准波兰变换算法之研究.第六届全国计算机情报检索会议论文,1987.
3 邓汉成.工作区占用数字与提问逻辑式结构的理论关系.情报学报,1994,(1) |
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