Patent ID: 11887136
Assignee: BLACKROCK, INC.
Field: IT methods for management (Electrical engineering)
Classification: CPC G | IPC G

Claim 3:
4. The method of claim 1, wherein the transaction feature input is generated by:
determining, for each property-and-zip-code combination, whether a respective rate of change in total transaction number of transaction events during the first period of time is within a first percentile or a second percentile among all zip codes in the geographical area;
assigning a positive label to a transaction event corresponding to the respective property type and the respective zip code in response to determining that the respective rate of change in total transaction number during the first period of time is within the first percentile;
assigning a negative label to the transaction event in response to determining that the respective rate of change during the first period of time is within the second percentile; and
concatenating all positive labels and all negative labels corresponding to the respective property type and the respective zip code to form a binary input vector.