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- W2091255896 abstract "Large scale data analysis and mining activities require sophisticated information extraction queries. Many queries require complex aggregation, and many of these aggregates are non-distributive. Conventional solutions to this problem involve defining User Defined Aggregate Functions (UDAFs). However, the use of UDAFs entails several problems. Defining a new UDAF can be a significant burden for the user, and optimizing queries involving UDAFs is difficult because of the “black box” nature of the UDAF." @default.
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- W2091255896 modified "2023-10-01" @default.
- W2091255896 title "Extending complex ad-hoc OLAP" @default.
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- W2091255896 doi "https://doi.org/10.1145/319950.319975" @default.
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