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Figure 4.5: The aP-tree insertion algorithm - "Range aggregate processing in spatial databases" ... "Range aggregate processing in spatial databases" Skip to search form Skip to main …
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Range aggregate processing in spatial databases ... Dimitris Papadias; A range aggregate query returns summarized information about the points falling in a hyper-rectangle …
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This paper studies spatial indexes that solve such queries efficiently and proposes the aggregate Point-tree (aP-tree), which achieves logarithmic cost to the data set cardinality...
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spatial aggregates is devoted to mechanisms to support range queries, or box queries. Aggregate range queries perform some aggregate operation over spatial or spatiotemporal data that fall …
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In this paper, we solve the maximizing range sum (MaxRS) problem in spatial databases. Given a set O of weighted points (a.k.a. objects) and a rectangle r of a given size, the goal of the …
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A range aggregate query returns summarized information about the points falling in a hyper-rectangle (e.g., the total number of these points instead of their concrete ids). This paper …
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Figure 5.2: Structure size vs. dataset cardinality N (uniform data) - "Range aggregate processing in spatial databases"
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Figure 4.7: Reduction of RA queries to VRA in 3D - "Range aggregate processing in spatial databases" ... "Range aggregate processing in spatial databases" Skip to search form Skip to …
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Range aggregate processing in spatial databases; Loading... Please wait, while we are loading the content... Year : 2016 Volume : 28 Year : 2015 Volume : 27 Year : 2014 Volume : 26 Year …
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Figure 4.1: Reduction of range aggregate to vertical range aggregate - "Range aggregate processing in spatial databases"
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3 Exact Query Processing In this section, we firstly present aU-tree which is modified based on U-tree by integrating aggregate information; this is followed by the exact query processing …
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Figure 5.1: Node accesses vs. query length qL (uniform data) - "Range aggregate processing in spatial databases"
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This paper studies spatial indexes that solve such queries efficiently and proposes the aggregate Point-tree (aP-tree), which achieves logarithmic cost to the data set cardinality …
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Figure 5.4: Structure sizes for non-uniform datasets - "Range aggregate processing in spatial databases" ... "Range aggregate processing in spatial databases" Skip to search form Skip to …
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Figure 2.4: Example of block overflow and version split - "Range aggregate processing in spatial databases" ... "Range aggregate processing in spatial databases" Skip to search form Skip to …
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A novel accurate prediction index technique, named PRA-tree, is presented, which takes into account both the velocity and space distribution of moving objects and is supplemented by a …
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Recently, the research community focuses on processing various types of location-based queries (or LBQs for short) (e.g., the range and nearest neighbor queries) on spatial …
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Figure 4.4: Overflow of leaf node C - "Range aggregate processing in spatial databases" Skip to search form Skip to main content Skip to account ... Sign In Create Free Account. DOI: …
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We first review the range aggregate processing methods in spatial databases. The range aggregate (RA) query was proposed for the scenario where users are interested in sum …
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This paper proposes novel, efficient techniques to solve the problem of efficiently computing range aggregates in a multidimensional space when the query location is uncertain …
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Processing aggregate range queries on remote spatial databases suffers from accessing huge and/or large number of databases that operate autonomously and simple …
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Figure 5.3: Node accesses vs. query length qL (non-uniform) - "Range aggregate processing in spatial databases"
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Figure 4.6: Bulkloading the aP-tree using pooling pages - "Range aggregate processing in spatial databases" ... "Range aggregate processing in spatial databases" Skip to search form Skip to …
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Maximum Range-Sum (MaxRS) query is an important operator in spatial database for retrieving regions of interest (ROIs). Given a rectangular query size a × b and a set of …
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Table 4.1: Frequently used symbols - "Range aggregate processing in spatial databases"
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Figure 2.5: Example of weak version underflow - "Range aggregate processing in spatial databases" Skip to search form Skip to main content Skip to account menu ...
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Figure 4.2: An aP-tree - "Range aggregate processing in spatial databases" DOI: 10.1109/TKDE.2004.93 Corpus ID: 9767404; Range aggregate processing in spatial …
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We evaluate our clustering hypergraph model and recursive bipartitioning schemes on a wide range of road network datasets. The results of the conducted experiments show that …
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In this paper, we present a novel accurate prediction index technique, named PRA-tree, for range aggregation of moving objects. PRA-tree takes into account both the velocity and space …
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spatial range speci ed as either a circle or a rectangle [1], which are fundamental queries for various big spatial data ... Range aggregate processing in spatial databases, IEEE …
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