The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 11, 2011
Filed:
Sep. 09, 2008
Onno Zoeter, Grenoble, FR;
Michael J. Taylor, Cambridge, GB;
Edward Lloyd Snelson, Cambridge, GB;
John P. Guiver, Saffron Walden, GB;
Nicholas Craswell, Cambridge, GB;
Martin Szummer, Cambridge, GB;
Onno Zoeter, Grenoble, FR;
Michael J. Taylor, Cambridge, GB;
Edward Lloyd Snelson, Cambridge, GB;
John P. Guiver, Saffron Walden, GB;
Nicholas Craswell, Cambridge, GB;
Martin Szummer, Cambridge, GB;
Microsoft Corporation, Redmond, WA (US);
Abstract
An information retrieval system is described for retrieving a list of documents such as web pages or other items from a document index in response to a user query. In an embodiment a prediction engine is used to predict both explicit relevance information such as judgment labels and implicit relevance information such as click data. In an embodiment the predicted relevance information is applied to a stored utility function that describes user satisfaction with a search session. This produces utility scores for proposed lists of documents. Using the utility scores one of the lists of documents is selected. In this way different sources of relevance information are combined into a single information retrieval system in a principled and effective manner which gives improved performance.