Inference from Visible Information and Background Knowledge

نویسندگان

چکیده

We provide a wide-ranging study of the scenario where subset relations in relational vocabulary is visible to user—that is, their complete contents are known—while remaining invisible. also have background theory—invariants given by logical sentences—that may relate invisible ones, and constrain both isolation. want determine whether some other information, as positive existential formula, can be inferred using only information theory. This formula whose inference we concerned with denoted query . consider about inferred, negative information—the sentence does not hold—can inferred. further instance-level version problem, instance given, schema-level version, know truth or falsity schema.

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ژورنال

عنوان ژورنال: ACM Transactions on Computational Logic

سال: 2021

ISSN: ['1557-945X', '1529-3785']

DOI: https://doi.org/10.1145/3452919