A Note on "Incomplete Relational Database Models Based on Intervals"

Authors:
Jui-Shang Chiu;Arbee L. P. Chen
Affiliations:
-;-
Venue:
IEEE Transactions on Knowledge and Data Engineering
Year:
1996

Citing 5
Cited 1

Incomplete Information in Relational Databases

Journal of the ACM (JACM)
Incomplete Relational Database Models Based on Intervals

IEEE Transactions on Knowledge and Data Engineering
Relational Databases with Exclusive Disjunctions

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On Indefinite Databases and the Closed World Assumption

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Theory of Relational Databases

Theory of Relational Databases

Database research at NTHU and ITRI

ACM SIGMOD Record

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Abstract

In [5], a family of relational database models (M-1 to M-5) were proposed to represent unknown values by intervals. Relational operators were extended for evaluating queries on these models. In this note, we stultify the theorems claiming that query evaluation in models M-2, M-3, and M-5 is sound.