The MAV-ES Data Integration Approach for Decisional Information Systems (DIS): A Case on Epidemiologic Monitoring

Djamila Marouf, Djamila Hamdadou and Karim Bouamrane
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Djamila Marouf: University of Oran 1 Ahmed Benbella, Oran, Algeria
Djamila Hamdadou: University of Oran 1 Ahmed Benbella, Oran, Algeria
Karim Bouamrane: University of Oran 1 Ahmed Benbella, Oran, Algeria

International Journal of Healthcare Information Systems and Informatics (IJHISI), 2016, vol. 11, issue 4, 32-55

Abstract: Massive data to facilitate decision making for organizations and their corporate users exist in many forms, types and formats. Importantly, the acquisition and retrieval of relevant supporting information should be timely, precise and complete. Unfortunately, due to differences in syntax and semantics, the extraction and integration of available semi-structured data from different sources often fail. Needs for seamless and effective data integration so as to access, retrieve and use information from diverse data sources cannot be overly emphasized. Moreover, information external to organizations may also often have to be sourced for the intended users through a smart data integration system. Owing to the open, dynamic and heterogeneity nature of data, data integration is becoming an increasingly complex process. A new data integration approach encapsulating mediator systems and data warehouse is proposed here. Aside from the heterogeneity of data sources, other data integration design problems include distinguishing the definition of the global schema, the mappings and query processing. In order to meet all of these challenges, the authors of this paper advocate an approach named MAV-ES, which is characterized by an architecture based on a global schema, partial schemas and a set of sources. The primary benefit of this architecture is that it combines the two basic GAV and LAV approaches so as to realize added-value benefits of the mixed approach.

Date: 2016
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