Journal article
Efficient Discovery of Ontology Functional Dependencies
Abstract
Functional Dependencies (FDs) define attribute relationships based on syntactic equality, and, when used in data cleaning, they erroneously label syntactically different but semantically equivalent values as errors. We enhance dependency-based data cleaning with Ontology Functional Dependencies (OFDs), which express semantic attribute relationships such as synonyms and is-a hierarchies defined by an ontology. Our technical contributions are …
Authors
Baskaran S; Keller A; Chiang F; Golab L; Szlichta J
Journal
, , , pp. 1847–1856
Publisher
Association for Computing Machinery (ACM)
Publication Date
November 6, 2017
DOI
10.1145/3132847.3132879