| 一种支持异构数据集成的Web服务合成方法 |
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| 引用本文： | 全立新,岳昆,刘惟一.一种支持异构数据集成的Web服务合成方法[J].计算机应用,2007,27(6):1438-1441. |
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| 作者姓名： | 全立新 岳昆 刘惟一 |
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| 作者单位： | 1. 湖南财经高等专科学校,信息管理系,湖南,长沙,410205
2. 云南大学,计算机科学与工程系,云南,昆明,650091 |
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| 摘 要： | 基于“协作者”数据集成架构，以网络环境中的数据查询为基本Web服务、关系数据库和XML文档为异构数据源的典型代表，并以其上已有的查询处理和XML数据绑定技术为基础，给出了Web服务环境下的数据集成模型。通过定义该模型上的基本操作（服务），利用有向图结构描述服务合成过程，提出了支持异构数据集成的Web服务合成方法和相应的优化策略。
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| 关 键 词： | Web服务 异构数据集成 服务合成 懒惰优化 |
| 文章编号： | 1001-9081（2007）06-1438-04 |
| 收稿时间： | 2006-12-25 |
| 修稿时间： | 2006-12-25 |
Approach for Web Services composition supporting the integration of heterogeneous data sources |
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| QUAN Li-xin,YUE Kun,LIU Wei-yi.Approach for Web Services composition supporting the integration of heterogeneous data sources[J].journal of Computer Applications,2007,27(6):1438-1441. |
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| Authors: | QUAN Li-xin YUE Kun LIU Wei-yi |
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| Affiliation: | 1. Department of Information Management, Hunan College of Finance and Economics, Changsha Hunan 410205, China; 2. Department of Computer Science and Engineering, Yunnan University, Kunming Yunnan 650091, China |
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| Abstract: | In this paper, we developed a model of data integration in Web Service environments based on "mediator" data integration framework. In our method, data query processing in network environments was taken as the elementary Web Service, and relational databases and XML were regarded as typical representatives of heterogeneous data sources. We adopted the existing query processing and XML data binding technology. By defining the basic operation of the model (services), the graph structure was adopted to describe the process of services composition. We proposed the approach for Web Services composition supporting the integration of heterogeneous data sources, as well as the corresponding optimization strategies. |
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| Keywords: | Web Services heterogeneous data integration services composition lazy optimization |
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