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. 10, 2015
Filed:
Jun. 20, 2012
Seung-woo Ryu, Seoul, KR;
Seok-jin Hong, Hwaseong-si, KR;
Kyoung-gu Woo, Seoul, KR;
Ki-yong Lee, Anyang-si, KR;
Seung-Woo Ryu, Seoul, KR;
Seok-Jin Hong, Hwaseong-si, KR;
Kyoung-Gu Woo, Seoul, KR;
Ki-Yong Lee, Anyang-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
An apparatus and a method of optimizing queries through scheduling User Defined Operators (UDOs) in a Data Stream Management System (DSMS), are provided. The apparatus includes a query optimizer configured to receive queries, each of the queries including the UDOs and data streams subject to respective operations of the UDOs, and group the data streams and UDOs into scheduling units, each of the scheduling units including one of the data streams and one of the UDOs. The apparatus further includes a scheduler configured to schedule an execution order in which the scheduling units are executed.