期刊名称：AtoZ: novas práticas em informação e conhecimento
印刷版ISSN：2237-826X
出版年度：2017
卷号：5
期号：2
页码：72-79
语种：Portuguese
出版社：Universidade Federal do Paraná - Curso de Gestão da Informação
摘要：Introduction: It shows the application of techniques of data cleaning in the aeronautical accidents of brazilian civil aviation with the aim of measuring the degree of improvement in the quality of the data. Method: Initially, there was a literature review on the concepts of data cleaning and data quality, and then applied the techniques of data cleaning in a database composed of 4601 records, relating to aviation accidents that occurred between the years of 1979 and 2014 in brazilian civil aviation. The measurement of the improvement in the quality of the data was performed using the metric "percent of improvement of data". Results: Observing the general context all the attributes of the database there was a 9% improvement on the quality of the data, with attributes, such as weight, manufacturer and model of the aircraft, which had a degree of improvement over 55% after application of the methodology. Conclusion: The data cleaning technique can be used to define policies for continuous improvement in data bases and improve decision-making processes in organizations that deal with aviation, particularly in the area of flight safety.
关键词：Data cleansing;Data quality;Data cleansing methods;Limpeza de dados;Qualidade de dados;Métodos de limpeza de dados;Limpieza de datos;Calidad de datos;Métodos de limpieza de datos
