Photo of CJWang

Chieh-Jen Wang (王界人)

Phone: +886-3-591-8305

Hello! I'm Chieh-Jen Wang. I am seeking senior software engineer and project leader in artificial intelligence (AI), natural language processing (NLP), information retrieval (IR)


Computer Science and Information Engineering,
National Taiwan University

Ph.D. Dissertation: Enhancing Effectiveness of Internet Search and Advertising with Web Log Mining
Advisor: Distinguished Prof. Hsin-Hsi Chen


Natural Language Processing, NLP

Question Answering(QA), Natural Language Generation(NLG), Text Classification, Opinion Mining

Information Retrieval & Extraction, IR & IE

Commercial Search, Query Optimization, Named Entity Recognition(NER), Web Mining

Intelligent Manufacturing, IM

Root Cause Analysis & Tracking, Instruction Optimization, Knowledge Management(KM)

Bioinformatics, Biotech

Drug Screening & Discovery, Assertion Detection, Adverse Drug Reaction Discovery


Machine Learning Framework

TensorFlow, PyTorch, Keras

Software Development

Version control(Github, Bitbucket), Continuous Integration(Jira), Software Quality (SonarQube)

Programming Languages

Java (6 years), Python (5 years), C++ (4 years), SQL


Industrial Technology Research Institute(ITRI)2013-2009

Principal Investigator/Engineer
  • Host and participate in projects from government and industry
  • Serve as principal investigator 6 times, and accumulated funds more than 35 million
  • Assist manufacturers to successfully apply government program funds
  • Filed 8 patents in 3 cases

Natural Language Processing(NLP)

  • Design Driven Innovation and Design Thinking for Industry development (Consultant, ITRI, 2017)
  • Human-Centric Awareness and Intelligent Living Integration Service Development Program (Project Leader, ITRI, 2016)
  • Aspect-Based Opinion Mining for Online Consumer Reviews (Principal Investigator, ITRI, 2015)
  • Apply Big Data for Environment assessment and planning (task leader, ITRI, 2015)
  • Interactive search and spoken semantic analysis technology (R&D Engineer, ITRI, 2015)
  • Interactive question answering technology (R&D Engineer, ITRI, 2014)
  • Multi-domain and highly scalable dialogue technology (R&D Engineer, ITRI, 2013)
  • Smart unstructured data processing Technology (R&D Engineer, ITRI, 2013)
  • Semantic Analysis Technology(R&D Engineer, Chunghwa Telecom Laboratories, 2013)
  • Semantic Web for Multimedia recommendation(R&D Engineer, Institute for Information Industry, 2011)

Information Retrieval & Extraction(IR&IE)

  • Relation Analysis and Smart Search for industrial data (Principal Investigator, ITRI, 2016)
  • Interactive spoken service for Online shopping (R&D Engineer, ITRI, 2015)

Intelligent Manufacturing(IM)

  • AI-Enhanced Maintenance Manual Refinement 2/2 (Principal Investigator, ITRI, 2019-2020)


  • Cardiovascular Disease Diagnosis and Treatment Classification(Principal Investigator, ITRI, 2018)
  • DNN-Based Drug-Screening Technology (Principal Investigator, ITRI, 2017)

Natural Language Processing and Its Applications

Ministry of Science and Technology(2017)

Big Data Trends and Analytics

Chung Cheng Institute of Technology(2017)

Kaohsiung First University of Science and Technology(2015)

Hua Fan University(2013)

Yuan Ze University(2013)

Big Data for Internet Advertising

Shih Chien University(2013)


Journal Papers

  • Chieh-Jen Wang and Hsin-Hsi Chen. “Intent Mining in Search Query Logs for Automatic Search Script Generation.” Knowledge and Information Systems, Volume 39, Issue 3, pp. 513-542, 2014.
  • Chieh-Jen Wang, Yung-Wei Lin, Ming-Feng Tsai and Hsin-Hsi Chen. “Mining Subtopics from Different Aspects for Diversifying Search Results.” Information Retrieval, Volume 16, Issue 4, pp. 452-483, 2013.
  • Chieh-Jen Wang, and Hsin-Hsi Chen. “Intent Shift Detection Using Search Query Logs.” International Journal of Computational Linguistics and Chinese Language Processing, Volume 3, Number 3-4, pp. 61-76, 2011.
  • Cheng-Lung Huang, Mu-Chen Chen and Chieh-Jen Wang. “Credit Card Scoring with a Data Mining Approach Based on Support Vector Machine.” Expert Systems with Applications, Volume 34, Issue 3, pp. 847-856, 2007.
  • Cheng-Lung Huang and Chieh-Jen Wang. “A GA-Based Attribute Selection and Parameter Optimization for Support Vector Machine.” Expert Systems with Applications, Volume 31, Issue 2, pp.231-240, 2006.
  • 黃承龍,陳穆臻,王界人,「支援向量機於信用評等之應用」,計量管理期刊, Volume 1, Issue 2, pp.155-172, 2005.

Conference Papers

  • 王界人、沈民新 (2015). "運用關聯分析探勘民眾關注議題與發展方向: 以環保議題為例." In Proceedings of the 27th annual Conference on Computational Linguistics and Speech Processing (ROCLING).
  • Yang-Yin Lee, Chih-Chieh Shao, Yen-Pin Chiu, Yong-Siang Shih, Hsin-Hsi Chen, Chieh-Jen Wang, and Sen-Chia Chang (2014). "Question Type Analysis for Question-Answering Applications in Education." In Proceedings of the 22nd International Conference on Computers in Education (ICCE).
  • Chieh-Jen Wang and Hsin-Hsi Chen (2012). “Learning to Predict the Cost-Per-Click for Your Ad Words.” In Proceedings of the 21st ACM International Conference on Information and Knowledge Management (CIKM), pp. 2291-2294, Maui, Hawaii. (Top-tier Conference)
  • Chieh-Jen Wang, Hung-Sheng Huang and Hsin-Hsi Chen (2012). “Automatic Construction of An Evaluation Dataset from Wisdom of the Crowds for Information Retrieval Applications.” In Proceedings of IEEE International Conference on Systems, Man, and Cybernetics (SMC), pp. 490-495, Seoul, Korea.
  • Chieh-Jen Wang, Shuk-Man Cheng, Lung-Hao Lee, Hsin-Hsi Chen,Wen-shen Liu, Pei-Wen Huang and Shih-Peng Lin (2012). “NTUSocialRec: An Evaluation Dataset Constructed from Microblogs for Recommendation Applications in Social Networks.” In Proceedings of the 8th International Conference on Language Resources and Evaluation (LREC), pp.2328-2333, Istanbul, Turkey.
  • Chieh-Jen Wang, Yung-Wei Lin, Ming-Feng Tsai and Hsin-Hsi Chen (2011). “NTU Approaches to Subtopic Mining and Document Ranking at NTCIR-9 Intent Task.” In the 9th NTCIR Workshop Meeting, pp.129-134, Tokyo, Japan.
  • Chieh-Jen Wang and Hsin-Hsi Chen (2011). “Learning User Behaviors for Advertisements Click Prediction.” In the 34rd international ACM SIGIR conference on Research and development in information retrieval Workshop on Internet Advertising (IA2011), Beijing, China.
  • Chieh-Jen Wang and Hsin-Hsi Chen (2011). “Search Scripts Mining from Wisdom of the Crowds.” In Proceedings of IEEE International Conference on Systems, Man, and Cybernetics (SMC), pp.878-883, Anchorage, Alaska.
  • Kevin Hsin-Yih Lin, Chieh-Jen Wang and Hsin-Hsi Chen (2011). “Predicting Next Search Actions with Search Engine Query Logs.” In Proceedings of 2011 IEEE/WIC/ACM International Conference on Web Intelligence (WI), pp.227-234, Lyon, France.
  • Chieh-Jen Wang, Kevin Hsin-Yih Lin and Hsin-Hsi Chen (2010). “Intent Boundary Detection in Search Query Logs.” In Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrieval (SIGIR), pp. 749-750, Geneva, Switzerland.
  • Shih-Wei Lin, Shih-Chieh Chen, Chieh-Jen Wang and Kung-Ying Hwang (2005). “Data classification techniques for Credit Cards Promotion.” In Proceedings of the 12th ISPE International Conference on Concurrent Engineering: Research and Applications, pp. 195-200, Dallas, USA.
  • 黃承龍,楊俊傑,應哲磊,王界人,「使用支援向量機預測台灣期貨指數」,2005年第十一屆資訊管理暨實務研討會,實踐大學,2005.
  • 林詩偉,陳士杰,王界人,「應用資料探勘技術提昇信用卡促銷效益之研究」,第一屆創新與管理學術研討會,實踐大學,2004.
  • 黃承龍,王界人,「應用支援向量機於信用卡資料之分類」,2004年第一屆中華國際機率統計與計量管理學術研討會,國立台北科技大學,2004.
  • 黃承龍,王界人,「遺傳演算法應用於支援向量機之參數調整與屬性篩選」,第九屆人工智慧與應用研討會,國立政治大學,2004.
  • 黃承龍,曾綜源,楊雯珺,王界人,「支援向量機於糖尿病診斷之應用」,中國工業工程學會九十三年度年會暨學術研討會,國立成功大學,2004.
  • 曾綜源,黃承龍,王界人,「優勢關係評估法應用於企業跨國投資之研究」,第一屆台灣作業研究學會學術研討會暨2004年科技與管理學術研討會,國立台北科技大學,2004.
  • 黃承龍,王界人,「遺傳演算法應用於支援向量迴歸之參數調整與屬性篩選」,第十屆資訊管理暨實務研討會,國立台中技術學院,2004.