Wenyan Li

Wenyan Li

Biography

Hi! I am Wenyan, a first-year PhD student at the CoAStaL NLP Group, University of Copenhagen. I’m supervised by Anders Søgaard and Desmond Elliott.

Before this, I worked as a Senior NLP Researcher at Sensetime and Comcast AI Research Lab (mentored by Ferhan Ture).

I completed my MS at University of Maryland, College Park, where I worked with Prof. Jordan Boyd-Graber on Natural Language Processing.

Interests
  • Natural Language Processin
  • Multimodal Learning
  • Information Retrieval
  • Speech Technology
Education
  • M.S. in EECS (Thesis Track), 2016-2018

    University of Maryland, College Park

  • B.E. in Electrical Engineering, 2012-2016

    Northwestern Polytechnical University

Experience

 
 
 
 
 
Senior NLP Researcher (Artificial General Intelligence team)
Sep 2021 – Jun 2022 Shanghai, China
  • Knowledge-enhanced QA and dialogue system * Multimodal and prompt learning
 
 
 
 
 
Senior Machine Learning Research Engineer (NLP)
Jan 2019 – Jul 2021 Washington D.C.
  • Designed an unsupervised auto-annotation system for voice queries with user behavioral modeling to automatically identify errors in speech recognition and NLP systems and suggest corrections
  • Built an active learning pipeline with auto-labeled user transcriptions to improve ASR system for comcast X1, increasing system recognition accuracy by 9% (summarized the work into a conference paper as the first-author and filed a patent as the main inventor)
  • Developed a context-based approach that discovered misclassified user queries in question answering systems by performing semantic search with Sentence-BERT
  • Leveraged subword-level query representation and adversarial training in customer care dialogue system for misspelled user queries, which improved classification accuracy by 18% and increased user experience stability
  • Mentored interns and new-hires on projects relevant to multi-task learning and query representation

Recent Posts

Certificates

Coursera
Applied Text Mining in Python
See certificate
edX
Using Python for Research
See certificate
Coursera
Object Oriented Programming in Java
See certificate

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