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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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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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 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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Processing aggregate range queries on remote spatial databases suffers from accessing huge and/or large number of databases that operate autonomously and simple and/or restrictive …
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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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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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Figure 5.2: Structure size vs. dataset cardinality N (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 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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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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Figure 5.3: Node accesses vs. query length qL (non-uniform) - "Range aggregate processing in spatial databases"
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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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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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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 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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Figure 5.1: Node accesses vs. query length qL (uniform data) - "Range aggregate processing in spatial databases"
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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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Range aggregation queries over spatial data returns sum-marized information about the spatial objects falling within a spatial range specified as either a circle or a rectangle [1], which are …
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Figure 2.2: Representation of temporal data - "Range aggregate processing in spatial databases"
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Yet they also challenge the conventional implementation of range aggregation queries because the raw data cannot be shared within the federation and the data partition at …
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Table 4.1: Frequently used symbols - "Range aggregate processing in spatial databases"
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Figure 2.1: The aR-tree - "Range aggregate processing in spatial databases" Skip to search form Skip to main content Skip to account menu ... Sign In Create Free Account. DOI: …
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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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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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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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spatial range specified as either a circle or a rectangle [1], which are fundamental queries for various big spatial data applications. There is a growing trend for the service provider of these …
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In this paper, we study the problem of processing the uncertain location based range aggregate in a multi-dimensional space. We first formally intro-duce the problem, then propose a general …
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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 ( independently …
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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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