Patent ID: 11914626
Assignee: PAYPAL, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 13:
14. A non-transitory machine-readable medium having stored thereon machine-readable instructions executable to cause a machine to perform operations comprising:
in response to receiving an input symbol, retrieving an index file from a server, wherein the index file includes a plurality of word tokens;
determining, by a preprocessing module, a frequency of each word token included in the index file;
calculating, by the preprocessing module, respective frequency scores based on the determining the frequency;
identifying, by the preprocessing module, a group of word tokens from the plurality of word token, the identifying being performed based in part of the frequency scores and includes determining a difference between the frequency scores of each word token and a frequency token threshold; and
determining a match between the received input symbol and the plurality of word tokens, wherein the determining the match includes using an elimination criteria and the group of word tokens.