Google Inc.

Amazon Technologies, Inc.

Charles G Bird

Hisakazu Igarashi

Andrew Moedinger

Systems, methods, and computer program products are provided for query clarification. In general, one aspect of the subject matter described in this specification can be embodied in computer-implemented methods that include the actions of receiving in a search interface a user input associated with a search query; determining whether the associated search query is a trigger query, the trigger query being a query identified for clarification; when the search query is a trigger query, prompting the user for additional information to form a clarified search query, the clarified search query including the additional information, the prompting occurring prior to submission of the search query to a search system; and submitting the clarified search query to the search system.

Prompt for query clarification

A facility for ranking a list of priced alternatives is described. The facility attributes criteria to a user. The facility determines values for the criteria based on information about the user. The facility uses the determined values to adjust the actual prices of the priced options. The facility uses the adjusted prices to rank a list of options and presents them to a user.

Growing community of inventors

Sammamish, WA, United States of America

Charles G Bird