Methods of Evaluation on Manufacturing Information Quality

Information quality (IQ) is one of the basic factors limiting the development of enterprises. And now it becomes a determinable factor. It’s urgent to improve IQ, especially methods of IQ evaluation. After comparing the views of the scholars at home and abroad, a method of IQ evaluation was developed. The evaluation of information quality includes two parts, data quality and information quality evaluation.Subjective and objective evaluation of data quality were listed, including three basic forms,simple ratio, min or max operation and weighed average. It also introduces developing data quality measurement in engineering practice.The method of IQ evaluation was studied ,and the basis of IQ evaluation was established. It reflected the status of organizational IQ using the data collected by the investigation questionnaires. These analyses are applied to analyze the gap between an organization and the best practice. The results of these techniques can be applied to assurance of IQ improvement and improvement of data quality. It’s also an effective way to lower information costs.