Graph-Powered Analytics and Machine Learning with TigerGraph by Victor Lee Ph.D

Author:Victor Lee Ph.D
Language: eng
Format: epub
Publisher: O'Reilly Media
Published: 2023-07-28T00:00:00+00:00

Start = {input_prescriber}; my_claims = SELECT t FROM Start:s -(<submitted_by:e)- :t POST-ACCUM t.@visited = true; my_patients = SELECT t FROM my_claims:s -(associated>:e)- :t // A Patient may have multiple claims; save each date ACCUM t.@date_list += s.rx_fill_date;

Now we want to find the claims made by other prescribers for these patients. The clause WHERE t.@visited == false in the following code ensures that these other claims are different from the ones we looked at before. We then compare the date of a claim encountered in this step against the dates of claims in the Patient’s @date_list. If the time difference is less than max_days, we mark this new claim as a referral (earlier in the query, we converted max_days to max_seconds):

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