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CRB-Tree: An Efficient Indexing Scheme for Range-Aggregate Queries
ICDT, (2003): 143-157
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We propose a newindexing scheme, called the CRB-tree, for efficiently answering range-aggregate queries. The range-aggregate problem is defined as follows: Given a set of weighted points in Rd, compute the aggregate of weights of points that lie inside a d-dimensional query rectangle. In this paper we focus on range-COUNT, SUM, AVG aggreg...More
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