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:
Apr. 02, 2013
Filed:
Mar. 07, 2005
Sihem Amer-yahia, New York, NY (US);
Nikolaos Koudas, New York, NY (US);
Amélie Marian-guerrier, New York, NY (US);
Divesh Srivastava, Summit, NJ (US);
Sihem Amer-Yahia, New York, NY (US);
Nikolaos Koudas, New York, NY (US);
Amélie Marian-Guerrier, New York, NY (US);
Divesh Srivastava, Summit, NJ (US);
AT&T Intellectual Property II, L.P., Atlanta, GA (US);
Abstract
A method of adaptively evaluating a top-k query involves () forming a servers having respective server queues storing candidate answers, processing () the candidate answers, and () providing a top-k set as a query evaluation. Processing includes () adaptively choosing a winning server to whose queue a current candidate answer should be sent; () sending the current candidate answer to the winning server's queue; () adaptively choosing a next candidate answer to process from the winning server's queue; () computing a join between the current candidate answer and next candidate answers at the winning server, so as to produce a new current candidate answer; and () updating the top-k set with the new current candidate answer only if a score of the new current candidate answer exceeds a score of a top-k answer in a top-k set. A method of calculating scores for candidate answers is also provided.