A New Dynamic Data Cleaning Technique for Improving Incomplete Dataset Consistency

A New Dynamic Data Cleaning Technique for Improving Incomplete Dataset Consistency

Автор: Sreedhar Kumar S, Meenakshi Sundaram S

Журнал: International Journal of Information Technology and Computer Science(IJITCS) @ijitcs

Статья в выпуске: 9 Vol. 9, 2017 года.

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This paper presents a new approach named Dynamic Data Cleaning (DDC) aims to improve incomplete dataset consistency by identifying, reconstructing and removing inconsistent data objects for future data analysis process. The proposed DDC approach consists of three methods: Identify Normal Object (INO), Reconstruct Normal Object (RNO) and Dataset Quality Measure (DQM). The first method INO divides the incomplete dataset into normal objects and abnormal objects (outliers) based on degree of missing attributes values in each individual object. Second, the (RNO) method reconstructs missed attributes values in the normal objects by the closest object based on a distance metric and removes inconsistent data objects (outliers) with higher missed data. Finally, the DQM method measures the consistency and inconsistency among the objects in improved dataset with and without outlier. Experimental results show that the proposed DDC approach is suitable to identify and reconstruct the incomplete data objects for improving dataset consistency from lower to higher level without user knowledge.

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Dataset Quality Measure, Identify Normal Object, Missing Attributes, Object Consistency, Object Inconsistency, Outlier, Reconstruct Normal Object

Короткий адрес: https://sciup.org/15012682

IDR: 15012682

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