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Querying Temporal Anomalies in Healthcare Information Systems and Beyond

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Advances in Databases and Information Systems (ADBIS 2022)

Abstract

Finding anomalies in temporal relational databases is a difficult and challenging task, in particular if data is integrated from different sources. The problem is especially pressing in healthcare information systems, where temporal anomalies can pinpoint critical events such as erroneous drug administration or prescription. In this paper, we define three different temporal anomalies, which we call temporal redundancy, contradiction, and incompleteness. We define two different operators for each of these anomalies: the retrieval operator to retrieve all tuples of a relation that cause anomalous behaviour, and the labelling operator to annotate a temporal relation with additional information that marks normal and anomalous tuples. Finally, we present and evaluate different implementation techniques for the two operators for relational database systems.

Supported by Ministère de l’Économie et de l’Innovation – Québec and by the Autonomous Province of Bozen-Bolzano with research call “Research Südtirol/Alto Adige 2019” (project Enabling Industrial-Strength, Open-Source Temporal Query Processing – ISTeP).

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Notes

  1. 1.

    See: https://www.postgresql.org/docs/current/functions-aggregate.html for PostgreSQL or https://docs.microsoft.com/en-us/u-sql/functions/aggregate/array-agg for MS SQLServer.

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Correspondence to Christina Khnaisser .

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Khnaisser, C., Hamrouni, H., Blumenthal, D.B., Dignös, A., Gamper, J. (2022). Querying Temporal Anomalies in Healthcare Information Systems and Beyond. In: Chiusano, S., Cerquitelli, T., Wrembel, R. (eds) Advances in Databases and Information Systems. ADBIS 2022. Lecture Notes in Computer Science, vol 13389. Springer, Cham. https://doi.org/10.1007/978-3-031-15740-0_16

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  • DOI: https://doi.org/10.1007/978-3-031-15740-0_16

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