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Author: Janusz R. Getta

Affiliation: University of Wollongong, Australia

Keyword(s): Data integration, Global information system, Multidatabase system, Online data integration, Integration plan, Static optimization.

Related Ontology Subjects/Areas/Topics: Coupling and Integrating Heterogeneous Data Sources ; Databases and Information Systems Integration ; Enterprise Information Systems ; Performance Evaluation and Benchmarking

Abstract: Global information systems provide its users with a centralized and transparent view of many heterogeneous and distributed sources of data. The requests to access data at a central site are decomposed and processed at the remote sites and the results are returned back to a central site. A data integration component of the system processes data retrieved and transmitted from the remote sites accordingly to the earlier prepared data integration plans. This work addresses a problem of static optimization of data integration plans in a global information system. Static optimization means that a data integration plan is transformed into more optimal form before it is used for data integration. We adopt an online approach to data integration where the packets of data transmitted over a wide area network are integrated into the final result as soon as they arrive at a central site. We show how data integration expression obtained from a user request can be transformed into a collection of d ata integration plans, one for each argument of data integration expression. This work proposes a number of static optimization techniques that change an order operations, eliminate materialization and constant arguments from data integration plans implemented as relational algebra expressions. (More)

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Paper citation in several formats:
R. Getta, J. (2011). STATIC OPTIMIZATION OF DATA INTEGRATION PLANS IN GLOBAL INFORMATION SYSTEMS. In Proceedings of the 13th International Conference on Enterprise Information Systems - Volume 2: ICEIS; ISBN 978-989-8425-53-9; ISSN 2184-4992, SciTePress, pages 141-150. DOI: 10.5220/0003423901410150

@conference{iceis11,
author={Janusz {R. Getta}.},
title={STATIC OPTIMIZATION OF DATA INTEGRATION PLANS IN GLOBAL INFORMATION SYSTEMS},
booktitle={Proceedings of the 13th International Conference on Enterprise Information Systems - Volume 2: ICEIS},
year={2011},
pages={141-150},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003423901410150},
isbn={978-989-8425-53-9},
issn={2184-4992},
}

TY - CONF

JO - Proceedings of the 13th International Conference on Enterprise Information Systems - Volume 2: ICEIS
TI - STATIC OPTIMIZATION OF DATA INTEGRATION PLANS IN GLOBAL INFORMATION SYSTEMS
SN - 978-989-8425-53-9
IS - 2184-4992
AU - R. Getta, J.
PY - 2011
SP - 141
EP - 150
DO - 10.5220/0003423901410150
PB - SciTePress

- Science and Technology Publications, Lda.
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