NDLI: Research on three-layered metadata model for oil-gas data integration

Content Provider	IEEE Xplore Digital Library
Author	Zhonggui Ma Chengyao Wang Zongjie Wang
Copyright Year	2011
Description	Author affiliation: School of Computer & Communication Engineering, Beijing University of Science and Technology, Beijing, China (Zhonggui Ma; Chengyao Wang; Zongjie Wang)
Abstract	As cloud computing going, data integration and data center have reemerged as an active research topic recently, due to the increased requirements for exchange of data in various formats in our increasingly interconnected but inevitably heterogeneous world. Three-layered metadata model, including data source metadata, business metadata and topic metadata, is proposed to realize heterogeneous data integration, and components and functions for each layer are introduced. Then RDF-based metadata representation is introduced for data interchange. The architecture of a typical heterogeneous data integration system based on metadata has been put forward, the applications can directly use HTTP protocol to access the broker by uniform data access interfaces based on RESTful Web Services, and the data broker provides all applications with integrated access to multiple, heterogeneous data sources, giving each client the illusion of a single, homogeneous database designed for his specific need. Metadata make it easy to query and locate data resources, and eliminate heterogeneity of multiple data sources. Meanwhile, it provides users with transparent and quick access to resources services.
Starting Page	500
Ending Page	504
File Size	109148
Page Count	5
File Format	PDF
ISBN	9781612842035
e-ISBN	9781612842042
DOI	10.1109/CCIS.2011.6045118
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Databases Web services Broker XML Data integration Metadata model Metadata Educational institutions Resource description framework Data models Business
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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