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Physical Sciences and Mathematics Commons

Open Access. Powered by Scholars. Published by Universities.®

2009

Portland State University

Dissertations and Theses

Database management

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Full-Text Articles in Physical Sciences and Mathematics

A Framework For Superimposed Applications : Techniques To Represent, Access, Transform, And Interchange Bi-Level Information, Sudarshan Srivivasa Murthy Mar 2009

A Framework For Superimposed Applications : Techniques To Represent, Access, Transform, And Interchange Bi-Level Information, Sudarshan Srivivasa Murthy

Dissertations and Theses

Superimposed applications (SAs) superimpose (that is, overlay) new information and structures (such as annotations) on parts (such as sub-documents) of existing base information (BI). In this setting, SA developers and users work with bi-level information, a combination of the superimposed information and the referenced BI parts.

We have designed a framework to assist SAs in the following bi-level-information-management activities: representation, access, transformation, and interchange. This framework defines the abstraction context agent to activate any BI part and to retrieve information from the context of the part. It includes means to represent and access bi-level information in a conceptual model (the …