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面向数据集成的基于规则的自动语义转换

Keywords: 信息管理,集成,语义,数据转换,规则

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Abstract:

为了定位对应于同一个实例在不同模式下的元组,提出了逻辑主键与全字段匹配相结合的定位算法,该方法是AuSTR解决语义冲突问题的技术核心,通过定义逻辑主健可以实现大部分数据行的定位,其他情形则采用全字段匹配算法,二者结合能对不同模式下的数据进行语义一致的定位,自动完成异构系统数据集成中的语义转换.AuSTR在数字校园中的应用证明了该方法能有效地对实时集中的增量数据自动完成语义转换.

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