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COMPARISON BETWEEN THE WEIGHTED SEARCH WITH LOGICAL SEARCH AND IT S REALIZATION |
Ma Xiangdong Zhang Lijie |
(Harbin Library) |
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Abstract In this artical,there is a description that equivalency exists between the indicated content of weighted query expression and that of logical query expression in computer information retrieval,which is or the basis of compairing ,weighted search with logical search and constructing concept of minus weighted valve. And a simple approch to the valid determination of weighted valve is pointed out. Besides,there embarks upon available methods based on sequeutial or reversed-index document query.
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Received: 16 February 1995
Published: 25 December 1995
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Corresponding Authors:
Ma Xiangdong,Zhang Lijie
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About author:: Ma Xiangdong,Zhang Lijie |
1 马自卫等编. 图书情报自动化. 北京: 北京邮电学院出版社, 1993, p. 177- 199
2 于继铮. 手工检索与联机检索的关系. 现代图书情报技术,1993, (2) : 18- 22 |
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