About
Math, Machine Learning, Software Engineering
Activity
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𝗧𝗵𝗲 𝗠𝗟 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 𝗜𝗻𝘀𝗶𝗴𝗵𝘁𝘀 𝗰𝗿𝗼𝘀𝘀𝗲𝗱 𝟭𝟬𝟬𝟬 𝘀𝘂𝗯𝘀𝗰𝗿𝗶𝗯𝗲𝗿𝘀 𝘁𝗵𝗶𝘀 𝘄𝗲𝗲𝗸 !! Roughly 70 days back, I started…
𝗧𝗵𝗲 𝗠𝗟 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 𝗜𝗻𝘀𝗶𝗴𝗵𝘁𝘀 𝗰𝗿𝗼𝘀𝘀𝗲𝗱 𝟭𝟬𝟬𝟬 𝘀𝘂𝗯𝘀𝗰𝗿𝗶𝗯𝗲𝗿𝘀 𝘁𝗵𝗶𝘀 𝘄𝗲𝗲𝗸 !! Roughly 70 days back, I started…
Liked by Chang Chen
Education
Volunteer Experience
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Volunteered Teacher
Wuwei, Gansu Province
- 2 months
Education
Unforgetable
Courses
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Advanced Database Systems
COMS E6111
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Advanced Machine Learning
COMS W4772
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Analysis of Algorithms
CSOR W4231
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Artificial Intelligence
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Bayesian Models in Machine Learning
EECS 6892
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Big Data Analytics
EECS 6893
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Cloud Computing & Big Data
COMS E6998
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Computational Learning Theory
COMS W4252
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Data Structure and Algorithms
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Econometrics
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Intelligent Optimization Algorithms
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Machine Learning
COMS W4771
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Macroeconomics
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Mathematical Modeling
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Microeconomics
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Numerical Analysis
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Operating Systems
COMS W4118
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Operations Research
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Pattern Recognition
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Principle of Finance
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Project in Computer Science
COMS 6901
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Statistics
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Stochastic Process
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Projects
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Web App: Tweets Map
Developed a web app to present tweet clusters, heat map and tweet sentiment for tweets on Google map in real time
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[Course Projects] Advanced Database Systems
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1. Implemented and optimized a user interactive information retrieval system using Bing API
2. Implemented Apriori algorithm and conducted association rule mining on 311 Service Requests(2010-2014) dataset -
[Course Projects] Advanced Machine Learning
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1. Implemented Hierarchical Convolutional Kernel Network (CKN) to do image classification, examined the transformation invariance of CKN, compared the performance of CKN with Convolutional Neural Network (CNN)
2. Applied Max Volume Embedding (MVE) with different kernels to Dimensionality reduction and visualization of high dimensional data, compared the performance of MVE, Semidefinite Embedding (SDE), and kernel principal component analysis (kernel PCA).
3. Used Structured Support…1. Implemented Hierarchical Convolutional Kernel Network (CKN) to do image classification, examined the transformation invariance of CKN, compared the performance of CKN with Convolutional Neural Network (CNN)
2. Applied Max Volume Embedding (MVE) with different kernels to Dimensionality reduction and visualization of high dimensional data, compared the performance of MVE, Semidefinite Embedding (SDE), and kernel principal component analysis (kernel PCA).
3. Used Structured Support Vector Machine with HMM structure to predict the chords of songs. -
[Course Projects] Operating Systems
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1. Implemented different versions of HTTP server in C on Arch Linux, analyzed the performances of different strategies (single thread, multi-process, multi-process, thread pools)
2. Implemented a Kernel Key-Value Store with complex locks for efficient concurrent reading and writing
3. Implemented a simple virtual file system on Arch Linux
4. Implemented a new scheduler and compared the performance with CFS and BFSOther creators -
Stock Trend Prediction
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Implemented Support Vector Machine (SVM) to predict the trend of the Shanghai Securities Composite Index, and achieved an accuracy of 59% by employing Genetic Algorithm based feature selection
Honors & Awards
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MSTA Fellowship 2015
Columbia University
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Tsinghua University’s Undergraduate Visiting Researcher Fellowship
Tsinghua University
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Academic Scholarship
Tsinghua University
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Scholarship for Academic Excellence
Tsinghua University
Languages
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English
Full professional proficiency
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Chinese
Native or bilingual proficiency
Organizations
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思源计划 十期
Member
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Student Union, Department of Automation
Associate President, Director
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More activity by Chang
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Thank you Meta and the Llama team for your huge contributions to open-source! Llama 3.1 with increased context length and improved capabilities is a…
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A hugely important commitment to the openness of Meta's AI ecosystem by Mark Zuckerberg: "Open Source AI Is the Path Forward " Llama 3.1 is free…
A hugely important commitment to the openness of Meta's AI ecosystem by Mark Zuckerberg: "Open Source AI Is the Path Forward " Llama 3.1 is free…
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𝐄𝐯𝐞𝐫 𝐬𝐭𝐫𝐮𝐠𝐠𝐥𝐞𝐝 𝐰𝐢𝐭𝐡 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐢𝐧𝐭𝐞𝐫𝐯𝐢𝐞𝐰𝐬? 𝐓𝐢𝐦𝐞 𝐭𝐨 𝐮𝐩𝐝𝐚𝐭𝐞 𝐲𝐨𝐮𝐫 𝐬𝐭𝐫𝐚𝐭𝐞𝐠𝐲…
𝐄𝐯𝐞𝐫 𝐬𝐭𝐫𝐮𝐠𝐠𝐥𝐞𝐝 𝐰𝐢𝐭𝐡 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐢𝐧𝐭𝐞𝐫𝐯𝐢𝐞𝐰𝐬? 𝐓𝐢𝐦𝐞 𝐭𝐨 𝐮𝐩𝐝𝐚𝐭𝐞 𝐲𝐨𝐮𝐫 𝐬𝐭𝐫𝐚𝐭𝐞𝐠𝐲…
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🚀 We are thrilled to announce the beta launch of our platform! 🚀 Our mission is to democratize investment opportunities, making pre-IPO investments…
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I'm thrilled to share a co-authored article on M&A in the AI sector. 📈 Growing Trend: As AI market develops, we expect a surge in M&A…
I'm thrilled to share a co-authored article on M&A in the AI sector. 📈 Growing Trend: As AI market develops, we expect a surge in M&A…
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Congrats to the Department of #Automation and #Physics for securing gold in the Ma Yuehan Cup Tennis Competition! Embodying the spirit of…
Congrats to the Department of #Automation and #Physics for securing gold in the Ma Yuehan Cup Tennis Competition! Embodying the spirit of…
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Today the Making of a Manager is 5 years old, has nearly 5,000 Amazon reviews, and is published in 19 languages! The biggest misconception about…
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