| CPC G06F 16/219 (2019.01) [G06F 16/215 (2019.01); G06F 16/2358 (2019.01); G06F 16/288 (2019.01)] | 20 Claims |

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1. A computer-implemented method for merging records from a plurality of database systems, comprising:
comparing, by one or more processors, two or more records of a plurality of records, wherein the plurality of records are from a plurality of database systems and each of the plurality of records is a patient record or an employee record;
determining, by the one or more processors, that a threshold match exists between the two or more records based upon a set of threshold matching criteria;
merging, by the one or more processors, the two or more records, based upon determining that the threshold match exists, into a person database entity, wherein a unique entity identifier is associated with the person database entity; and
identifying, using the person database entity and the unique entity identifier, anomalous activity by a person associated with the person database entity based on activities associated with the two or more records.
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