Pattern functional dependencies for data cleaning
Patterns (or regex-based expressions) are widely used to constrain the format of a domain (or a column), e.g., a Year column should contain only four digits, and thus a value like “1980-“ might be a typo. Moreover, integrity constraints (ICs) defined over multiple columns, such as (conditional) func...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
VLDB Endowment
2021
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| Online Access: | https://hdl.handle.net/1721.1/133951 |