| 基于规则的化学特征词自动标引研究 |
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| 引用本文： | 宋丹,孙济庆.基于规则的化学特征词自动标引研究[J].情报学报,2009,28(5). |
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| 作者姓名： | 宋丹 孙济庆 |
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| 作者单位： | 华东理工大学科技信息研究所,上海,200237 |
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| 摘 要： | 本文介绍了一种基于规则的识别未登录化学物质名词的方法.通过对大量的化学物质名称进行观察后,发现化学领域中的物质命名有一定的规律可循.本文通过化学物质命名的常用词及规律进行总结,将化学特定词分为3类:化学介词、化学词头和化学符号,制定六项规则,提出了对化学物质名称基于规则的识别方法.在系统实现方面,应用正则表达式将规则结合模板表示出来,从文本信息中提取特定的化学物质专用特征词,同时进行了可行性实验,经过对比,验证了规则的可行性.
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| 关 键 词： | 自动标引 化学物质名 化学信息学 规则 |
Automatic Index of Chemical Feature Words Based on Rules |
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| Song Dan,Sun Jiqing.Automatic Index of Chemical Feature Words Based on Rules[J].Journal of the China Society for Scientific andTechnical Information,2009,28(5). |
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| Authors: | Song Dan Sun Jiqing |
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| Institution: | Institute of science and technology information of ECUST;Shanghai 200237 |
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| Abstract: | This paper introduces a method of identifying unknown chemical words based on regulations.We find that there are some regulations when we name the substances in the area of chemic after observing those chemical substances.This paper puts forward a method of identifying chemical substances based on regulations,specially appointed word divides the chemistry into 3 kinds:chemical preposition,chemical prefix,chemical symbol,work out six regulation,summarizes the frequently used words and rules in chemic and exp... |
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| Keywords: | automatic index names of chemical substances chemoinformatics regulation |
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