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Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3222786
Abstract: In this paper, we propose and study a type of tuple-level constraint that arises from the selection operator $\sigma $ of relational algebra and that closely resembles the concepts of tuple-level denial constraints. We call…
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Keywords:
selection rules;
data selection;
cleaning data;
selection ... See more keywords