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    A three-layered XML view model: A practical approach

    19476_downloaded_stream_568.pdf (251.7Kb)
    Access Status
    Open access
    Authors
    Rajugan, R.
    Chang, Elizabeth
    Dillon, Tharam S.
    Feng, L.
    Date
    2005
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Rajugan, R. and Chang, Elizabeth and Dillon, Tharam S. and Feng, Ling. 2005. A three-layered XML view model: A practical approach, 24th International Conference on Conceptual Modeling (ER '05), Oct 24 2005, pp. 79-95. Klagenfurt, Austria: Springer-Verlag.
    Source Title
    Conceptual Modeling - ER 2005: 24th International Conference on Conceptual Modeling
    Source Conference
    24th International Conference on Conceptual Modeling (ER '05)
    DOI
    10.1007/11568322_6
    Faculty
    Curtin Business School
    School of Information Systems
    School
    Centre for Extended Enterprises and Business Intelligence
    Remarks

    The original publication is available at http://www.springerlink.com

    URI
    http://hdl.handle.net/20.500.11937/40483
    Collection
    • Curtin Research Publications
    Abstract

    Since the early software models, abstraction and conceptual semantics have proven their importance in software engineering methodologies. For example, Object-Oriented conceptual modelling offers the power in describing and modelling real-world data semantics and their inter-relationships in a form that is precise and comprehensible to users. Conversely, XML is becoming the dominant standard for storing, describing and interchanging data among various Enterprises Information Systems and databases. With the increased reliance on such self-describing, schema-based, semi-structured data language/(s), there exists a requirement to model, design, and manipulate XML data and associated semantics at a higher level of abstraction than at the instance level. But, existing Object-Oriented conceptual modelling languages provide insufficient modelling constructs for utilizing XML schema like data descriptions and constraints, and most semi-structured schema languages lack the ability to provide higher levels of abstraction (such as conceptual models) that are easily understood by humans. To this end, it is interesting to investigate conceptual and schema formalisms as a means of providing higher level semantics in the context of XML-related data engineering. In this paper, we use XML view as a case in point and present a three-layered view model with illustrated examples taken from a real-world application domain. We focus on conceptual and schema view definitions, view constraints, and the conceptual query operators.

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