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Lecture Notes in Computer Science
We study sorted geometric query problems, a class of problems that, to the best of our knowledge and despite their applications, have not received much attention so far. Two of the most prominent problems in this class are angular sorting queries and sorted K-nearest neighbour queries. The former asks us to preprocess an input point set S in the plane so that, given a query point q, the clockwise ordering of the points in S around q can be computed efficiently. In the latter problem, the outputdoi:10.1007/978-3-642-33090-2_6 fatcat:ojvmxpckh5c27jich47vrupneu