Jian Wen

US Patent:

20130173666, Jul 4, 2013

Filed:

Dec 29, 2011

Appl. No.:

13/340335

Inventors:

Yan Qi - Fremont CA, US
Yu Xu - Burlingame CA, US
Olli Pekka Kostamaa - Santa Monica CA, US
Jian Wen - Irvine CA, US

International Classification:

G06F 17/30

US Classification:

707798, 707E17011, 707E1701

Abstract:

Techniques for data assignment from an external distributed file system (DFS) to a database management system (DBMS) are provided. Data blocks from the DFS are represented as first nodes and access module processors of the DBMS are represented as second nodes. A graph is produced with the first and second nodes. Assignments are made for the first nodes to the second nodes based on evaluation of the graph to integrate the DFS with the DBMS.

US Patent:

20220412755, Dec 29, 2022

Filed:

Sep 2, 2022

Appl. No.:

17/929610

Inventors:

- San Francisco CA, US
Brent Goldman - San Francisco CA, US
Robert Michael S Dean - North Bethesda MD, US
Jian Wen - Pittsburgh PA, US
Yanbo Zhao - Wexford PA, US

International Classification:

G01C 21/34
G05D 1/00
G05D 1/02
B60W 60/00
G08G 1/0968

Abstract:

Various examples are directed to systems and methods for controlling an autonomous vehicle. For example, a navigator system at an autonomous vehicle may generate a plurality of local routes beginning at a vehicle location and extending to a plurality of local route end points. The navigator system may access general route cost data, the general route cost data describing general route costs from the plurality of local route end points to a trip end point. The navigator system may select the first local route of the plurality of routes based at least in part on the general route cost data. A vehicle autonomy system at the autonomous vehicle may begin to control the autonomous vehicle along the first local route.

US Patent:

20200319651, Oct 8, 2020

Filed:

Apr 3, 2020

Appl. No.:

16/839208

Inventors:

- San Francisco CA, US
Robert Michael S Dean - North Bethesda MD, US
Jian Wen - Pittsburgh PA, US

International Classification:

G05D 1/02
G05D 1/00
G01C 21/34

Abstract:

Examples described herein are directed to systems and methods for autonomous vehicle control system testing. A testing utility may receive log data describing a driven route executed by a capturing vehicle. The log data may comprise sensor data received by at least one sensor of the capturing vehicle on the driven route and location data describing locations of the capturing vehicle on the driven route. The locations may comprise a first location of the capturing vehicle at a first driven route time and a second location of the capturing vehicle at a second drive route time. The testing utility may, using at least the location data, determine a first routing graph modification to constrain a navigator component of an autonomous vehicle control system under test. The testing utility may provide the first routing graph modification to the navigator component to cause the navigator component to generate a testing route. The testing route may comprise a first graph element corresponding to the first location at a first test time corresponding to the first driven route time. The testing utility may store an output of at least one component of the autonomous vehicle control system under test where the output is generated using a test route from the navigator component using the first routing graph modification.

US Patent:

20200239025, Jul 30, 2020

Filed:

Jan 24, 2020

Appl. No.:

16/752242

Inventors:

- San Francisco CA, US
Michael Voznesensky - San Francisco CA, US
Brent Goldman - San Francisco CA, US
Robert Michael S Dean - North Bethesda MD, US
Jian Wen - Pittsburgh PA, US
Yanbo Zhao - Wexford PA, US

International Classification:

B60W 60/00
G05D 1/00
G05D 1/02
G01C 21/34

Abstract:

Various examples are directed to systems and methods for controlling an autonomous vehicle. For example, a navigator system at an autonomous vehicle may generate a plurality of local routes beginning at a vehicle location and extending to a plurality of local route end points. The navigator system may access general route cost data, the general route cost data describing general route costs from the plurality of local route end points to a trip end point. The navigator system may select the first local route of the plurality of routes based at least in part on the general route cost data. A vehicle autonomy system at the autonomous vehicle may begin to control the autonomous vehicle along the first local route.

US Patent:

20140222871, Aug 7, 2014

Filed:

Mar 18, 2014

Appl. No.:

14/218183

Inventors:

- Dayton OH, US
Yu Xu - Burlingame CA, US
Olli Pekka Kostamaa - Santa Monica CA, US
Jian Wen - Irvine CA, US

Assignee:

Teradata US, Inc. - Dayton OH

International Classification:

G06F 17/30

US Classification:

707798

Abstract:

Techniques for data assignment from an external distributed file system (DFS) to a database management system (DBMS) are provided. Data blocks from the DFS are represented as first nodes and access module processors of the DBMS are represented as second nodes. A graph is produced with the first and second nodes. Assignments are made for the first nodes to the second nodes based on evaluation of the graph to integrate the DFS with the DBMS.