کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
436878 690047 2013 13 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Space-efficient data-analysis queries on grids
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر نظریه محاسباتی و ریاضیات
پیش نمایش صفحه اول مقاله
Space-efficient data-analysis queries on grids
چکیده انگلیسی

We consider various data-analysis queries on two-dimensional points. We give new space/time tradeoffs over previous work on geometric queries such as dominance and rectangle visibility, and on semigroup and group queries such as sum, average, variance, minimum and maximum. We also introduce new solutions to queries less frequently considered in the literature such as two-dimensional quantiles, majorities, successor/predecessor, mode, and various top-k queries, considering static and dynamic scenarios.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Theoretical Computer Science - Volume 482, 22 April 2013, Pages 60-72