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# About Me

I am originally from Hong Kong 🇭🇰, and currently a Staff AI Engineer at LinkedIn Dublin 🇮🇪. My interests in computer science lies in machine learning, natural language processing, social network analysis, data mining and other general A.I. problems.

Before joining LinkedIn, I was an AI Technical Manager at Wisers AI Lab; I worked as a machine learning lead engineer at Zwoop, a e-commerce startup in Hong Kong. I was the co-founder and CTO of Axon Labs Limited. My previous positions included researcher at Huawei's Noah's Ark Lab, senior engineer at the Hong Kong Applied Science and Technology Research Institute (ASTRI), and research associate (post-doctoral researcher) at the NTT Communication Science Laboratories in Kyoto, Japan 🇯🇵.

I received my PhD in Computer Science in the School of Electronics and Computer Science at the University of Southampton in the U.K. 🇬🇧, under the supervision of Prof. Nigel Shadbolt and Dr. Nicholas Gibbins. My study was generously supported by the R C Lee Centenary Scholarship of Drs Richard Charles and Esther Yewpick Lee Charitable Foundation. My thesis studies 'collective semantics', which is about how implicit semantics and relationship can be extracted from social sharing activites, with a focus on user behaviours.

I obtained my M.Phil degree in the Department of Computer Science and Engineering at the Chinese University of Hong Kong. I finished my thesis on fuzzy ontologies under the supervision of Prof. Leung Ho Fung. I obtained my B.Eng degree in Information Engineering in the same university.

# Work Experience

  • Staff AI Engineer, LinkedIn (Jul 2020 - )
  • AI Techincal Manager, Wisers Information Ltd. (Jan 2019 - Jun 2020)
  • Machine Learning Lead Engineer, Zwoop Ltd. (Apr 2017 - Nov 2018)
  • Co-founder and CTO, Axon Labs Limited (Feb 2014 - Mar 2017)
  • Researcher, Noah's Ark Lab, Huawei (Nov 2012 - Jan 2014)
  • Senior Engineer, ASTRI (Aug 2011 - Nov 2012)
  • Research Associate, NTT CSLab, Kyoto (Oct 2009 - Jul 2011)

# Education

  • Ph.D., Electronics and Computer Science, 2006-2009
    University of Southampton
  • M.Phil., Computer Science and Engineering, 2004-2006
    The Chinese University of Hong Kong
  • B.Eng., Information Engineering, 2001-2004
    The Chinese University of Hong Kong

# Research Visit

  • Decentralized Information Group, CSAIL, MIT
    Web Science Exchange Programme, Sep-Nov 2008

# Teaching Experience

  • Part-time Lecturer, Jan 2013 - The Chinese University of Hong Kong
    Department of Information Engineering
  • Demonstrator, Oct 2007-Jul 2008 University of Southampton
    School of Electronics and Computer Science
  • Teaching Assistant, Aug 2004-Jul 2006
    The Chinese University of Hong Kong
    Department of Computer Science and Engineering

# Awards and Honours

  • 2011 Yamashita SIG Research Award, Information Processing Society of Japan
    For the paper "Trust Relations and Product Ratings on the Web", with Tomoharu Iwata
  • Web Science Exchange Scholarship
    Awarded by the Web Science Research Initiative (Web Science Trust), 2008.
  • The R C Lee Centenary Scholarship
    Awarded by The Drs Richard Charles and Esther Yewpick Lee Charitable Foundation, Hong Kong, 2006-2009. Full scholarship for pursuing a PhD degree at the University of Southampton.
  • Cheng Ming Award 2004, New Asia College, CUHK
    Highest honour bestowed on undergraduate students of New Asia College.
  • Goldman Sachs Global Leaders Award 2003
  • The Hong Kong SAR Outstanding Student Award, 2000

# Publications

# Journal Papers

  • "Popularity Effect" in User-Generated Content: Evidence from Online Product Reviews
    Paulo B. Goes, Mingfeng Lin, Ching-man Au Yeung
    Information Systems Research 25(2): 222-238, 2014
    ISR Link
  • Managing Information Disparity in Multi-lingual Document Collections
    Kevin Duh, Ching-man Au Yeung, Tomoharu Iwata, Masaaki Nagata
    ACM Transactions on Speech and Language Processing, Vol. 10, Issue 1, March 2013.
    ACM Link
  • SPEAR: Spamming-resistant Expertise Analysis and Ranking in Collaborative Tagging Systems
    Ching-man Au Yeung, Michael G. Noll, Nicholas Gibbins, Christoph Meinel, Nigel Shadbolt.
    Computational Intelligence, 2011.
    (Impact Factor: 3.31)
    Computational Intelligence Journal Link
  • A Formal Model of Ontology for Handling Fuzzy Membership and Typicality of Instances
    Ching-man Au Yeung, Ho-fung Leung.
    The Computer Journal, Volume 53, Number 3, pages 316-341, Oxford University Press, 2010.
    (Impact Factor: 1.00)
    Computer Journal Link | Bibtex

# Book

# Conference Papers

  • Studying How the Past is Remembered: Towards Computational History through Large Scale Text Mining
    Ching Man Au Yeung, Adam Jatowt.
    CIKM'11: Proceedings of the 20th ACM Conference on Information and Knowledge Management, Glasgow, UK, 2011

  • Extracting Collective Expectations about the Future from Large Text Collections
    Adam Jatowt, Ching-man Au Yeung.
    CIKM'11: Proceedings of the 20th ACM Conference on Information and Knowledge Management, Glasgow, UK, 2011

  • Extracting Multi-dimensional Relations: A Generative Model of Groups of Entities in a Corpus
    Ching-man Au Yeung, Tomoharu Iwata.
    CIKM'11: Proceedings of the 20th ACM Conference on Information and Knowledge Management, Glasgow, UK, 2011

  • Redundancy and Collaboration in Wikibooks
    Ilaria Liccardi, Olivier Chapuis, Ching-man Au Yeung, Wendy Mackay.
    INTERACT '11: Proceedings of the 13th IFIP TC13 Conference in Human-Computer Interaction, Lisbon, Portugal, September, 2011
    Springer Link

  • Providing Cross-lingual Editing Assistance to Wikipedia Users
    Ching-man Au Yeung, Kevin Duh, Nagata Masaaki.
    Proceedings of the 12th International Conference on Intelligent Text Processing and Computational Linguistics, Tokyo, Japan, 20-26 February, 2011
    Springer Link

  • Strength of Social Influence in Trust Networks in Product Review Sites
    Ching-man Au Yeung, Tomoharu Iwata.
    Proceedings of the 4th ACM International Conference on Web Search and Data Mining, Hong Kong, China, 9-12 February, 2011, ACM.
    (Acceptance Rate: 21%)
    ACM Link

  • Telling Experts from Spammers: Expertise Ranking in Folksonomies
    Michael G. Noll, Ching-man Au Yeung, Nicholas Gibbins, Christoph Meinel, Nigel Shadbolt.
    Proceedings of the 32nd Annual ACM SIGIR Conference, pages 612-619, Boston, MA, USA, 19-23 July, 2009. ACM.
    (Acceptance Rate: 16%, 78/494)
    PDF | BibTeX | ACM Link | ECS EPrints Link | SPEAR Algorithm

  • Contextualising Tags in Collaborative Tagging Systems
    Ching-man Au Yeung, Nicholas Gibbins, Nigel Shadbolt.
    Proceedings of 20th ACM Conference on Hypertext and Hypermedia, pages 251-260, Turino, Italy, 29 June-1 July, 2009. ACM.
    (Acceptance Rate: 32%, 38/117)
    PDF | BibTeX | ACM Link | ECS EPrints Link

  • Providing Access Control to Online Photo Albums Based on Tags and Linked Data
    Ching-man Au Yeung, Lalana Kagal, Nicholas Gibbins, Nigel Shadbolt.
    Proceedings of Social Semantic Web, AAAI Spring Symposium 2009, pages 9-14, Stanford, CA, USA, 29 June-1 July, 2009. AAAI.
    PDF | BibTeX | ECS EPrints Link

# Workshop Papers

  • Decentralization: The Future of Online Social Networking
    Ching-man Au Yeung, Ilaria Liccardi, Kangho Lu, Oshani Seneviratne, Tim Berners-Lee.
    W3C Workshop on the Future of Social Networking, Barcelona, Spain, 15-16 January, 2009.
    Paper | BibTeX

  • Web Search Disambiguation by Collaborative Tagging
    Ching-man Au Yeung, Nicholas Gibbins, Nigel Shadbolt.
    Proceedings of the Workshop on Exploiting Semantic Annotations in Information Retrieval (ESAIR 2008), co-located with ECIR 2008, pages 48-61, Glasgow, United Kingdom, 31 March, 2008.
    PDF | BibTeX | ECS EPrints Link

  • Understanding the Semantics of Ambiguous Tags in Folksonomies
    Ching-man Au Yeung, Nicholas Gibbins, Nigel Shadbolt.
    Proceedings of the First International Workshop on Emergent Semantics and Ontology Evolution (ESOE 2007), co-located with ISWC 2007 + ASWC 2007, pages 108-121, Busan, South Korea, 11-15 November, 2007.
    PDF | BibTeX | ECS EPrints Link

  • Tag Meaning Disambiguation through Analysis of Tripartite Structure of Folksonomies Ching-man Au Yeung, Nicholas Gibbins, Nigel Shadbolt.
    Proceedings of the 2007 IEEE/WIC/ACM international Conferences on Web intelligence and intelligent Agent Technology - Workshops, pages 3-6, Silicon Valley, CA, USA, 2-5 November, 2007. IEEE Computer Society.
    PDF | BibTeX | ECS EPrints Link

# Theses

  • From User Behaviours to Collective Semantics
    Thesis submitted for PhD in Electronics and Computer Science, University of Southampton. October 2009.
    PDF | ECS EPrints Link

  • A Formal Model of Fuzzy Ontologies
    Thesis submitted for M.Phil in Computer Science and Engineering, The Chinese University of Hong Kong. August 2006.

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