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:
Jan. 05, 2021
Filed:
Aug. 23, 2017
Applicant:
Nec Laboratories America, Inc., Princeton, NJ (US);
Inventors:
Xusheng Xiao, Cleveland, OH (US);
Zhichun Li, Princeton, NJ (US);
Mu Zhang, Plainsboro, NJ (US);
Guofei Jiang, Princeton, NJ (US);
Jiaping Gui, Los Angeles, CA (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 16/2453 (2019.01); G06F 21/62 (2013.01); G06F 16/245 (2019.01); G06F 21/57 (2013.01); G06F 16/22 (2019.01);
U.S. Cl.
CPC ...
G06F 16/24532 (2019.01); G06F 16/245 (2019.01); G06F 16/24535 (2019.01); G06F 16/24545 (2019.01); G06F 21/57 (2013.01); G06F 21/6227 (2013.01); G06F 16/22 (2019.01); G06F 2221/034 (2013.01);
Abstract
Methods for querying a database and database systems include optimizing a database query for parallel execution using spatial and temporal information relating to elements in the database, the optimized database query being split into sub-queries with sub-queries being divided spatially according to host and temporally according to time window. The sub-queries are executed in parallel. The results of the database query are outputted progressively.