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ptype: probabilistic type inference

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Original languageEnglish
Pages (from-to)870-904
Number of pages35
JournalData Mining and Knowledge Discovery
Issue number3
Early online date16 Mar 2020
Publication statusPublished - 31 May 2020


Type inference refers to the task of inferring the data type of a given column of data. Current approaches often fail when data contains missing data and anomalies, which are found commonly in real-world data sets. In this paper, we propose ptype, a probabilistic robust type inference method that allows us to detect such entries, and infer data types. We further show that the proposed method outperforms existing methods.

    Research areas

  • Type inference, Robustness, Probabilistic finite-state machine

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