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Authors: Marcin Gorawski and Wojciech Gębczyk

Affiliation: Silesian Technical University, Institute of Computer Science, Poland

Keyword(s): kNN join processing, distributed spatial data warehouse, continuous query, mobile query, mobile object.

Related Ontology Subjects/Areas/Topics: Data Warehouses and OLAP ; Databases and Information Systems Integration ; Enterprise Information Systems ; Mobile Databases ; Object-Oriented Database Systems

Abstract: The paper describes realization of distributed approach to continuous queries with kNN join processing in a spatial telemetric data warehouse. Due to dispersion of the developed system, new structural members were distinguished - the mobile object simulator, the kNN join processing service and the query manager. Distributed tasks communicate using JAVA RMI. The kNN queries (k Nearest Neighbour) joins every point from one dataset with its k nearest neighbours in the other dataset. In our approach we use the Gorder method, which is a block nested loop join algorithm that exploits sorting, join scheduling and distance computation filtering to reduce CPU and I/O usage.

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Paper citation in several formats:
Gorawski, M. and Gębczyk, W. (2007). DISTRIBUTED APPROACH OF CONTINUOUS QUERIES WITH KNN JOIN PROCESSING IN SPATIAL DATA WAREHOUSE. In Proceedings of the Ninth International Conference on Enterprise Information Systems - Volume 3: ICEIS; ISBN 978-972-8865-88-7; ISSN 2184-4992, SciTePress, pages 131-136. DOI: 10.5220/0002368501310136

@conference{iceis07,
author={Marcin Gorawski. and Wojciech Gębczyk.},
title={DISTRIBUTED APPROACH OF CONTINUOUS QUERIES WITH KNN JOIN PROCESSING IN SPATIAL DATA WAREHOUSE},
booktitle={Proceedings of the Ninth International Conference on Enterprise Information Systems - Volume 3: ICEIS},
year={2007},
pages={131-136},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002368501310136},
isbn={978-972-8865-88-7},
issn={2184-4992},
}

TY - CONF

JO - Proceedings of the Ninth International Conference on Enterprise Information Systems - Volume 3: ICEIS
TI - DISTRIBUTED APPROACH OF CONTINUOUS QUERIES WITH KNN JOIN PROCESSING IN SPATIAL DATA WAREHOUSE
SN - 978-972-8865-88-7
IS - 2184-4992
AU - Gorawski, M.
AU - Gębczyk, W.
PY - 2007
SP - 131
EP - 136
DO - 10.5220/0002368501310136
PB - SciTePress