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时态知识/数据模型研究及应用 被引量:6

A Temporal Knowledge/Data Model and Its Application
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摘要 时间是信息的重要属性,不仅数据有时态性,而且知识也有时态性。时态信息在信息系统中扮演着日益重要的角色,在某些系统中还起着关键性作用。将时态应用分为完全时态应用、嵌入式时态应用和混合型时态应用3种模式,提出一种时态信息模型,重点讨论时态数据模型和时态知识表达模式,介绍典型时态信息系统"工资智能决策支持系统"中的知识 数据处理模型。 Time is an important attribute of information, which exists not only in database but also in knowledge base. Temporal information plays more and more important role in modern information systems, even decisively in some systems. Temporal applications are divided into three modes, the mix_temporal mode, the embedding_temporal mode and the pure_temporal mode. And a temporal information model is proposed, in which most attention is paid to the temporal data model and temporal knowledge representation mode. Furthermore,the temporal data/knowledge processing model of a typical temporal information system 'Salary Intelligent Decision Support System' is introduced.c
出处 《中山大学学报(自然科学版)》 CAS CSCD 北大核心 2004年第6期62-66,共5页 Acta Scientiarum Naturalium Universitatis Sunyatseni
基金 国家自然科学基金资助项目(60373081) 广东省自然基金重点资助项目(04105503) 广东省十五重大专项基金资助项目(A010203) 广州市重点科技资助项目(2002Z2_D3041) 广东省跨世纪优秀人才基金资助项目(Q02095)
关键词 时态数据模型 时态知识表达模式 时态应用模式 工资系统 temporal data model temporal knowledge representation mode temporal application mode salary system
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参考文献10

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二级参考文献22

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