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:
Mar. 18, 2014
Filed:
Feb. 04, 2009
Donald Metzler, Santa Clara, CA (US);
Lance Riedel, Menlo Park, CA (US);
Evgeniy Gabrilovich, Sunnyvale, CA (US);
Vanja Josifovski, Los Gatos, CA (US);
Donald Metzler, Santa Clara, CA (US);
Lance Riedel, Menlo Park, CA (US);
Evgeniy Gabrilovich, Sunnyvale, CA (US);
Vanja Josifovski, Los Gatos, CA (US);
Yahoo! Inc., Sunnyvale, CA (US);
Abstract
A method is disclosed for expansion of rare queries to improve advertisement results, including receiving a query from a user by a search engine; determining that the query does not match an entry in an ad query lookup table coupled with the search engine; retrieving one or more expanded queries located within a query feature index whose features relate to one or more features of the received query, wherein the query feature index includes a plurality of queries expanded based on at least corresponding search results; generating, in real time and by the search engine, an ad query including an expanded version of the received query based on features of the retrieved expanded queries; and selecting one or more advertisements based on the generated ad query, wherein the one or more advertisements are displayed to the user in response to the query received from the user.