Browsing MIT Open Access Articles by Author "Qahtan, Abdulhakim"

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    • Pattern functional dependencies for data cleaning 

      Qahtan, Abdulhakim; Tang, Nan; Ouzzani, Mourad; Cao, Yang; Stonebraker, Michael (VLDB Endowment, 2020)
      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 ...