| 发掘数据库模式间的复杂匹配 |
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| 引用本文： | 钱颖. 发掘数据库模式间的复杂匹配[J]. 计算机工程与科学, 2007, 29(10): 61-62 |
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| 作者姓名： | 钱颖 |
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| 作者单位： | 河北科技师范学院网络与现代教育技术中心,河北,秦皇岛,066004 |
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| 摘 要： | 本文提出一种新的发掘数据库模式间复杂匹配的系统构架CSM。CSM首先通过预处理从数据类型上过滤掉部分不合理的候选匹配,并利用多个具有特殊目的的检索程序分别对选空间的特殊部分进行检索,发掘1：1和复杂匹配,针对被匹配模式中存在不透明列的问题,还可进一步应用补充匹配器找到不透明列间的匹配关系。实验表明,与其它模式匹配
方法相比,CSM不仅能全面地发掘模式间匹配,还具有较高的效率、查全率和查准率。
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| 关 键 词： | 模式匹配 复杂匹配 补充匹配 相似度 |
| 文章编号： | 1007-130X（2007）10-0061-02 |
| 修稿时间： | 2007-03-292007-07-09 |
Discovering the Complex Matches Between Database Schemas |
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| QIAN Ying. Discovering the Complex Matches Between Database Schemas[J]. Computer Engineering & Science, 2007, 29(10): 61-62 |
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| Authors: | QIAN Ying |
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| Affiliation: | Technology Center of Network and Modern Education,Hebei Normal University of Science and Technology ,Qinhuangdao 066004,China |
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| Abstract: | A new system of discovering the complex matches between database schemas called CSM(Complex Schema Matching) is proposed in this paper.It filters some unreasonable candidate matches based on data types by preprocessing,and employs a set of special-purpose searchers to explore a specialized portion of the search space,and mining the 1:1 and complex matches.According to the problem that there are opaque columns in the schemas being matched,it can apply a complementary matcher to find the matching relations between opaque columns further more.Experiments show that CSM does not only discover the matches between schemas completely,but also improves the efficiency,the recall rate and the precision rate compared with other schema matching methods in practice. |
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| Keywords: | schema matching complex match complementary matching similarity |
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