Patent 11048759 was granted and assigned to Prodigo Solutions, Inc. on June, 2021 by the United States Patent and Trademark Office.
Methods of and systems for searching a catalog include parsing the items of the catalog into tokens, determining the frequency with which each token appears in the catalog, and storing the frequencies in a cache. Queries to the catalog are likewise parsed into tokens, and the tokens of the query string are compared to frequency values in the cache to identify a smaller search space within the catalog.