Preference-Based Datacube Analysis with MYOLAP

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Provided by: Institute of Electrical & Electronic Engineers
Topic: Big Data
Format: PDF
In this paper, the authors present MYOLAP, a Java-based tool that allows OLAP analyses to be personalized and enhanced by expressing \"Soft\" query constraints in the form of user preferences. MYOLAP is based on a novel preference algebra and a preference evaluation algorithm specifically devised for the OLAP domain. Preferences are formulated either visually or through an extension of the MDX language, and user interaction with the results is mediated by a visual graph-like structure that shows better-than relationships between different sets of data.
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