Systems and Methods of Anomaly Detection

    公开(公告)号:US20230138371A1

    公开(公告)日:2023-05-04

    申请号:US17912233

    申请日:2020-09-01

    Applicant: Google LLC

    Abstract: A method of identifying a contributing cause of an anomaly including receiving a set of timeseries data representing metric values over time, wherein the timeseries data has at least two dimensions, for each of two or more of the timestamps in the set of timeseries data, generating a first and second graph representing (i) the metric values at that timestamp, (ii) the at least two dimensions at that timestamp, and (iii) associations between the metric values at that timestamp, analyzing the first and second graphs associated with each timestamp to identify a particular timestamp including an anomaly, and analyzing the first and second graphs associated with the identified particular timestamp to identify a node that contributed in causing the anomaly.

    Data Transformations to Create Canonical Training Data Sets

    公开(公告)号:US20240021310A1

    公开(公告)日:2024-01-18

    申请号:US18349945

    申请日:2023-07-10

    Applicant: Google LLC

    CPC classification number: G16H50/20

    Abstract: A method includes obtaining a dataset that includes health data in a Fast Healthcare Interoperability Resources (FHIR) standard. The health data includes a plurality of healthcare events. The method includes generating, using the dataset, an events table that includes the plurality of healthcare events and is indexed by time and a unique identifier per patient encounter. The method also includes generating, using the dataset, a traits table that includes static data and is indexed by the unique identifier per patient encounter. The method includes training a machine learning model using the events table and the traits table and predicting, using the trained machine learning model and one or more additional healthcare events associated with a patient, a health outcome for the patient.

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