Towards a Method for Data Accuracy Assessment Utilizing a Bayesian Network Learning Algorithm

Author:

Sessions V.1,Valtorta M.2

Affiliation:

1. Charleston Southern University

2. University of South Carolina

Abstract

This research develops a data quality algorithm entitled the Accuracy Assessment Algorithm (AAA). This is an extension of research in developing an enhancement to a Bayesian Network (BN) learning algorithm called the Data Quality (DQ) algorithm. This new algorithm is concerned with estimating the accuracy levels of a dataset by assessing the quality of the data with no prior knowledge of the dataset. The AAA and associated metrics were tested using two canonical BNs and one large-scale medical network. The article presents the results regarding the efficacy of the algorithm and the implications for future research and practice.

Publisher

Association for Computing Machinery (ACM)

Subject

Information Systems and Management,Information Systems

Reference22 articles.

1. Ballou D. and Tayi G. 1999. Enhancing data quality in data warehouse in environments. Comm. ACM 73--78. 10.1145/291469.291471 Ballou D. and Tayi G. 1999. Enhancing data quality in data warehouse in environments. Comm. ACM 73--78. 10.1145/291469.291471

2. Cowell R. Dawid G. Lauritzen S. and Spiegalhalter D. 1999. Probabilistic Networks and Expert Systems. Springer New York. Cowell R. Dawid G. Lauritzen S. and Spiegalhalter D. 1999. Probabilistic Networks and Expert Systems . Springer New York.

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