Automatically assigned DDC number: 00574
Manually assigned DDC number: 00574
Number of references: 35
Title: Analysis of Predictive Spatio-Temporal Queries
Author:
Author:
Subject: Yufei Tao,Jimeng Sun Analysis of Predictive Spatio-Temporal Queries
Description: this paper we present probabilistic cost models that estimate the selectivity of spatio-temporal window queries and joins, and the expected distance between a query and its nearest neighbor(s). Our models capture any query/object mobility combination (moving queries, moving objects or both) and any data type (points and rectangles) in arbitrary dimensionality. In addition, we develop specialized spatio-temporal histograms, which take into account both location and velocity information, and can be incrementally maintained. Extensive performance evaluation verifies that the proposed techniques produce highly accurate estimation on both uniform and non-uniform data
Contributor: The Pennsylvania State University CiteSeer Archives
Publisher: unknown
Date: 2003-06-27
Pubyear: 2003
Format: pdf
Identifier: http://citeseer.ist.psu.edu/592549.html
Source: http://www.cs.ust.hk/~dimitris/PAPERS/TODS03-STanalysis.pdf
Language: en
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Rights: unrestricted
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