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. 05, 2013
Filed:
Sep. 16, 2011
David P. Woodruff, Mountain View, CA (US);
Srikanta N. Tirthapura, Ames, IA (US);
David P. Woodruff, Mountain View, CA (US);
Srikanta N. Tirthapura, Ames, IA (US);
International Business Machines Corporation, Armonk, NY (US);
Iowa State University, Ames, IA (US);
Abstract
Described herein are methods, systems, apparatuses and products for random sampling from distributed streams. An aspect provides a method for distributed sampling on a network with a plurality of sites and a coordinator, including: receiving at the coordinator a data element from a site of the plurality of sites, said data element having a weight randomly associated therewith deemed reportable by comparison at the site to a locally stored global value; comparing the weight of the data element received with a global value stored at the coordinator; and performing one of: updating the global value stored at the coordinator to the weight of the data element received; and communicating the global value stored at the coordinator back to the site of the plurality of sites. Other embodiments are disclosed.