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基于领域本体的海洋环境数据仓库多维建模技术 被引量：3

Domain ontology-based multidimensional modeling of marine environmental data warehouse
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摘要 由于海洋环境数据来源和表示的多样性,海洋环境数据仓库构建面临着需求获取和异构数据处理等难题。本体为领域知识的共享和基于知识的推理提供了坚实的基础,消除由于应用背景的不同而造成理解上的冲突和混乱。本文针对海洋环境数据的特点,讨论了建立海洋环境领域本体的方法,设计了利用本体创建海洋环境数据仓库多维模型算法,并给出了多维模型自动创建过程实例。结果表明,基于本体的多维模型创建,为模型设计者与用户的交流提供了参考,提高了系统分析和建模的效率。 As the marine environmental data have the diversity of data source and data representation and so on, the construction of marine environmental data warehouse faces some difficulties in user requirement acquisition and the processing of heterogeneous data. Ontology can offer firm foundation for sharing domain knowledge and knowledge based reasoning. Furthermore, ontology can eliminate conflict and confusion of understanding in different application backgrounds. For the characteristics of marine environmental data, this paper discusses the method of building marine environmental domain ontology, presents the algorithms for building multidimensional model of marine environmental data warehouse using domain ontology, and gives a case study of constructing multidimensional model automatically. The practice results show that ontology-based multidimensional modeling provides references for communicating between designer and users, and improves the efficiency of system analysis and modeling.
作者 鲍玉斌 陆群 蔡金明 于戈
机构地区 东北大学信息学院计算机系
出处 《海洋通报》 CAS CSCD 北大核心 2009年第4期132-140,共9页 Marine Science Bulletin
基金 国家海洋专项(908-03-01-06) 国家自然科学基金(60773222)的资助
关键词 海洋数据 领域本体 数据仓库 多维模型 marine data domain ontology data warehouse multi-dimensional model
分类号 P717 [天文地球—海洋科学] TP311.13 [自动化与计算机技术—计算机软件与理论]
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参考文献20

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二级参考文献46

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海洋通报
2009年 第4期

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