Multicriteria Data Retrieval in Database using Advanced Database Operator

Provided by: International Journal of Computer & Organization Trends(IJCOT)
Topic: Big Data
Format: PDF
Database management systems have been increasingly used in decision support applications. One of the features of such application is query with multiple, and sometimes conflicting, goals. People recently are interested in an advanced query operator for such queries named skyline which returns the objects that are not dominated by any other objects with regard to certain measures in a multidimensional space. The skyline query is frequently used to find a set of dominating data points (called skyline points) in a multidimensional dataset and finds a set of interesting objects, satisfying a set of possibly conflicting conditions.

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