蔡政憲

ZhengXian Tsai

[email protected]

  • Data Science, Time-Series Data, Machine Learning, Deep Learning
  • Active learning and like to be exposed to various new things 
  • Think Independently, analyze problems, and solve problems efficiently 
  • Have a great passion and interest in data science 
  • Communication, Teamwork, Responsible, Stress resistance 

    


Education

2018 - 2020

Master Degree, 國立政治大學

Computer Science

Thesis: Spatial-Temporal Correlation Modeling of Air Monitoring Sensor Network

2014 - 2018

Bachelor Degree國立高雄應用科技大學

Computer Science and Information Engineering


Experience

十月 2018 - 五月 2020

Part-time Assistant of the Academia Sinica  中央研究院

中央研究院計畫:以使用者有感為導向的環境物聯網大數據分析:以PM2.5為例
— Develop an 'Estimation model' to estimate time series Airbox data

— Propose three different approaches to improve the effectiveness of the estimation algorithm

Propose the key sensor discovery for more efficient and effective quality audit of large-scale air sensor network

— Crawler Data from Government Web, Social Media

— Analysis of the relationship between the PM2.5 Time Series Data and Climate Data

- Apply the sequential clustering algorithm to the Time series data 

二月 2020 - 六月 2020

Teaching assistant of DBMS in NCCU 

answer classmate questions
assist classwork questions
complete the tasks assigned by the professor
assist with final project examples and development


Publications

Tzu-Heng Huang, ZhengXian Tsai, Man-Kwan Shan. ”Key Sensor Discovery for Quality Audit of Air Sensor Networks.” ACM International Conference on Mobile Systems, Applications, and Services (MobiSys). 2020. 


Skills

Data analysis, Machine Learning, Deep Learning

  • Good at Python
  • Data Clean, Data Visualization
  • Web Crawler
  • Clustering, Classification, Regression
  • PLSRegression,  Random Forest, SVM, and so on
  • Implement ANN, RNN by using Tensorflow, Keras

DataBase


  • SQL
  • MySQL
  • PostgreSQL

Programming


  • Python
  • Java
  • C
  • HTML
  • PHP
  • javascript
  • R

Club


  • Basketball Team of CSIE (Deputy Captain)
  • Student Association of CSIE in KUAS
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