For the incompleteness, noisiness and inconsistency in these data, we use some preprocess technologies of Data Mining, such as Data Cleaning, Data Transformation and Data Reduction, to process these source data.

• 针对这些数据的不完整性、有噪声性和不一致性，本文用数据清理、数据变换、数据归约等数据挖掘的预处理技术处理这些原始数据。