Semantic Integration of Heterogeneous Data Sources in the MOMIS Data Transformation System

Provided by: Journal of Universal Computer Science
Topic: Big Data
Format: PDF
In the last twenty years, many data integration systems following classical wrapper/mediator architecture and providing a global virtual schema (a.k.a. Global Virtual View - GVV) have been proposed by the research community. The main issues faced by these approaches range from system-level heterogeneities, to structural syntax level heterogeneities at the semantic level. Despite the research effort, all the approaches proposed require a lot of user intervention for customizing and managing the data integration and reconciliation tasks. In some cases, the effort and the complexity of the task is huge, since it requires the development of specific programming codes.

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