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- research-articleJune 1991
Reliability of Answers to Queries in Relational Databases
IEEE Transactions on Knowledge and Data Engineering (IEEECS_TKDE), Volume 3, Issue 2Pages 245–251https://doi.org/10.1109/69.88004The author studies the problem of determining the reliability of answers to queries in a relational database system, where the information in the database comes from various sources with varying degrees of reliability. An extended relational model is ...