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The MV3R-Tree: A Spatio-Temporal Access Method for Timestamp and Interval Queries

Authors Tao, Yufei
Papadias, Dimitris View this author's profile
Issue Date 2001
Source Proceedings of Very Large Data Bases Conference (VLDB), 11-14 September, Rome , 431-440
Summary Among the various types of spatio-temporal queries, the most common ones involve window queries in time. In particular, timestamp (or timeslice) queries retrieve all the objects that intersect a window at a specific timestamp. Interval queries include multiple consecutive timestamps. Although several indexes have been developed for either type, currently there does not exist a structure that can efficiently process both query types. This is a significant problem due to the fundamental importance of these queries in any spatio-temporal system that deals with historical information retrieval. Our paper addresses the problem by proposing the MV3R-tree, a structure that utilizes the concepts of multi-version B-trees and 3D R-trees. Extensive experimentation proves that MV3R-trees compare favorably with specialized structures aimed at timestamp and interval window queries, both in terms of time and space requirements.
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Language English
Format Conference paper
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