Graduate Thesis Or Dissertation

 

Principles of Variational Databases Public Deposited

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/vh53x180m

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  • Data variations are prevalent in real-world applications. For example, software vendors have to handle numerous variations in the business requirements, conventions, and environmental settings of a software product. In database-backed software, the database of each version may have a different schema and content. As another example, data scientists often need to use a subset of the available databases because using non-relevant information may reduce the effectiveness of the results. Such variations give rise to numerous data variants in these applications. Users often would like to query and/or analyze all such variants simultaneously. For example, a software vendor would like to perform common tests over all versions of its product and a data scientist would like to find the subset of information over which the analytics algorithm delivers the most accurate results. Currently, there is not any systematic and principled approach to managing and querying data variations and users have to use their intuition to perform such analyses. We propose a novel abstraction called a variational database that provides a compact and structured representation of general forms of data variations for relational databases. As opposed to data integration approaches that provide a unified representation of all data sources, variational databases make variations explicit in both the schema definition and the query language without introducing too much complexity.
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  • 52 pages
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  • Intellectual Property (patent, etc.)
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  • 2018-01-19 to 2019-02-19

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