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:
Feb. 23, 2010
Filed:
Sep. 30, 2004
Sumit Ganguly, Bhopal, IN;
Minos N. Garofalakis, Morristown, NJ (US);
Amit Kumar, New Delhi, IN;
Rajeev Rastogi, New Providence, NJ (US);
Sumit Ganguly, Bhopal, IN;
Minos N. Garofalakis, Morristown, NJ (US);
Amit Kumar, New Delhi, IN;
Rajeev Rastogi, New Providence, NJ (US);
Alcatel-Lucent USA Inc., Murray Hill, NJ (US);
Abstract
The invention provides methods and systems for summarizing multiple continuous update streams such that an approximate answer to a query over one or more of the continuous update streams (such as a Query requiring a join operation followed by a duplicate elimination step) may be rapidly provided. The systems and methods use multiple (parallel) Join Distinct (JD) Sketch data structures corresponding to hash buckets of at least one initial attribute.