Lu Liu
Abstract
This paper discusses how to carry out data preprocessing in a practical way in data warehouse system, discusses the questions about data preprocessing including data extraction, transformation and loading (ETL) should be structured to gain the maximum benefit, and also presents a layer model to approach the goal of ETL.
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This paper discusses how to carry out data preprocessing in a practical way in data warehouse system, discusses the questions about data preprocessing including data extraction, transformation and loading (ETL) should be structured to gain the maximum benefit, and also presents a layer model to approach the goal of ETL.
Key concepts: Data warehouse, Preprocessor, Data pre-processing, Data transformation, Computer science, Data extraction, Transformation (genetics), Data mining