<p>A networked computer system for calculating a rating of a food. The computer system includes a database comprising a plurality of records and a personal computer system. Each record in the database includes a natural language description of a respective food and a rating of the respective food. The database further comprising an index comprising indexed natural language descriptions corresponding to the natural language descriptions in the records. The personal computer system includes an input module configured for receiving a request to calculate a rating for a requested food item and for extracting inputted natural language descriptions of the requested food item in the request. Also included is an input processing module configured for identifying tokens in the inputted natural language descriptions, a query module configured for querying the database; and a rating module configured for calculating the rating for the requested food item based on the query result.</p>
