US Patent 10572476 Refining a search based on schedule items

A method includes receiving a search request from a user, the search request specifying one or more search criteria for selecting one or more selection items from a respective selection domain; identifying one or more schedule items relevant to the search request; augmenting the search request based on information contained in at least one of the identified schedule items; and presenting the augmented search request or search results retrieved based on the augmented search request to the user.