NucMed - Beijing, China since Oct 2011
Research Scientist
Johns Hopkins University - Baltimore, Maryland Area Apr 2011 - Oct 2011
Post-doc
Johns Hopkins University Sep 2005 - Mar 2011
Research Assistant
Tsinghua University Sep 2003 - Jul 2005
Research Assistant
Education:
The Johns Hopkins University 2005 - 2011
PhD, Medical imaging physics
Tsinghua University 2003 - 2005
Master, Medical physics
Tsinghua University 1999 - 2003
Bachelor, Engineering Physics
Interests:
literature, high tech, photo
Honor & Awards:
1999~2000 “Qu Yuzhi” Scholarship of Tsinghua University, China
2000~2001 “December 19th” Scholarship of Tsinghua University, China
2001~2002 Chinese National Scholarship for Undergraduate, Tsinghua University
2003 July Outstanding Graduates of Tsinghua University
2006 Nov Student travel award, IEEE Medical Imaging Conference, San diago
2007 June Young Investigator of Annual Meeting of Society of Nuclear Medicine, Honorable Mentions
2009 June Student travel award, Annual meeting of Society of Nuclear Medicine, Toronto
2011 Research work selected for SNM annual meeting press release
2012 SNMMI Annual Meeting Computer and Instrument Young Investigator Award (Third Place)
Kern Medical Center 1700 Mt Vernon Ave, Bakersfield, CA 93306 6613262000 (phone), 6613262006 (fax)
Education:
Medical School St. George's University School of Medicine, St. George's, Greneda Graduated: 2012
Languages:
English
Description:
Dr. Chen graduated from the St. George's University School of Medicine, St. George's, Greneda in 2012. He works in Bakersfield, CA and specializes in Internal Medicine. Dr. Chen is affiliated with Kern Medical.
Rama K. Vuyyuru - Sunnyvale CA, US Si Chen - Atherton CA, US
Assignee:
TOYOTA INFOTECHNOLOGY CENTER CO., LTD. - Tokyo TOYOTA JIDOSHA KABUSHIKI KAISHA - Aichi-ken
International Classification:
H04B 17/00
US Classification:
455 62
Abstract:
A system and method for optimizing spectrum access in data communications is disclosed. The system comprises a case module, a selection engine, an evaluation module and an update module. The case module determines a present case based at least in part on sensor data and environmental data, determines a matching case for the present case and configures one or more channel profiles for the present case based at least in part on the matching case. The selection engine selects a first channel based on the one or more channel profiles. The first channel is associated with a first channel profile from the one or more channel profiles. The evaluation module evaluates a first channel performance for the first channel and generates a first channel reward for the first channel. The update module updates the first channel profile based at least in part on the first channel reward.
Personalized Post Session Model For An Online System
- Menlo Park CA, US Si Chen - Mountain View CA, US
International Classification:
G06N 7/00 H04L 29/08 G06N 99/00 G06F 17/30
Abstract:
An online system selects a number of content items and presents the selected content items through a feed to a target user, where each selected candidate content item is likely to cause the target user to post his/her new content in response to the selected candidate content item within a short period of time. The online system selects the candidate content items for presentation through the feed using a trained post session prediction model. A ranking score for a candidate content item is determined based on a probability value indicating likelihood that the candidate content item causes the target user to post new content. The probability value is determined by applying a trained model to user features of the target user and content features of the candidate content item. The online system ranks the candidate content items based on their ranking scores and present the feed to the target user.
Examples allocate and schedule use of graphics processing unit (GPU) resources among a plurality of users executing virtual machines (VMs) or processes. During initialization, shares representing proportional access to the GPU resources are assigned and then adjusted based on graphics command characteristics. Quantum is allocated among the VMs based on the shares. At runtime, graphics commands from the VMs are queued and iteratively sent to the GPU based on a comparison between allocated quantum and a threshold quantum. In this manner, the GPU resources are fairly shared among the VMs.
Examples allocate and schedule use of graphics processing unit (GPU) resources among a plurality of users executing virtual machines (VMs) or processes. During initialization, shares representing proportional access to the GPU resources are assigned and then adjusted based on graphics command characteristics. Quantum is allocated among the VMs based on the shares. At runtime, graphics commands from the VMs are queued and iteratively sent to the GPU based on a comparison between allocated quantum and a threshold quantum. In this manner, the GPU resources are fairly shared among the VMs.
Examples of the disclosure assign a plurality of graphics processing units (GPUs) to a plurality of virtual machines (VMs) or processes. A composite score is generated for each GPU. The composite score represents the normalized processing capabilities of the multiple GPUs. Based on a comparison between the composite scores and allocated quantum corresponding to a proportional amount of GPU resources to which each VM is entitled, each VM is assigned to at least one of the GPUs. Graphics commands from the VMs are scheduled for execution by the assigned GPUs.
Name / Title
Company / Classification
Phones & Addresses
Si Chen Principal
A Shinning Day Spa Physical Fitness Facility
60 Msn Dr, Pleasanton, CA 94566 9252490490
Si Yu Chen Managing
2933 San Juan LLC Real Estate Investment · Nonclassifiable Establishments
Professional Engineer(Mechanical) for Singapore and Malaysia, Registered Inspector with SCDF(Singapore Civil Defence force). Runs own consultancy company and... Professional Engineer(Mechanical) for Singapore and Malaysia, Registered Inspector with SCDF(Singapore Civil Defence force). Runs own consultancy company and part time lecturer with Singapore Polytechnic. Involved also in Tuition Business.
Purdue University - Chemical Engineering, Cornell University - Chemical Engineering
Si Chen
Lived:
Tianjin Shanghai Changsha Worcester Menlo Park, CA
Education:
Worcester Polytechnic Institute - Dynamic Spectrum Access related things, Shanghai Jiao Tong University - Information Engineering (Actually Communication Engineering)
Si Chen
Education:
Rutgers University - Master of Quantitative Finance, Shenzhen University - Applied mathematics
Si Chen
Work:
Google - DSO (2010)
Si Chen
Education:
University of Kentucky - Electrical Engineering, China University of Mining and Technology - Electrical Engineering