Andreas Liesenfeld


interactional linguistics & human language technology

Language as CAS paradigm

Understanding action formation

Modeling action formation

Machine learning for pragmatics

Video corpus: MYCanCor

Tools, tutorials and links

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★★★ Upcoming: Looking forward to presenting at iPra 2019 in Hong Kong, 9 June 2019. ★★★

Picture I am currently a PhD candidate in linguistics at Nanyang Technological University, Singapore. I am interested in the study of talk and interaction with a focus on understanding the interplay between 'linguistic' structures and action formation in conversation. I am also interested in building tools for conversational (nontask-oriented) dialog systems. I have worked on annotations of non-lexical utterances, disfluency and laughter for the application in spoken language understanding (ASR/SLU) and dialog management (DM). I am also interested in the development of formal grammars for conversational systems. However, I have found this task to be so difficult, that my work in the area has to date been more of a critical engagement with existing formal models.


My main research interest is the study of social interaction, combining qualitative studies of talk-in-interaction (interactional linguistics, phonetics) with the quantitative study of corpora of spoken discourse (grammar induction). In my early-career research I have conducted linguistic fieldwork in different parts of Asia and built a video corpus of Malaysian Cantonese. Currently, I work on developing formal representations of building blocks of talk-in-interaction and the development of tools that model aspects of it (dialog systems, conversational agents).

Most of my work has been on Chinese (Mandarin and Cantonese).

PhD student in linguistics, Nanyang Technological University, Singapore
Visiting fellow, CRC991 frame semantics, Düsseldorf University, Germany
Data scientist, Industry, Berlin, Germany
Master, School of Social Sciences, University of Hong Kong, SAR of China
Bachelor, Fakultät für Geisteswissenschaften, University of Bonn, Germany
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For the video corpus of spoken Chinese see also: MYCanCor

Cause Chi (Tagger for causal discourse markers in spoken Chinese)
MV parser (Augument structure tagger for Chinese)

Conversation analytic transcription in LaTeX
Multilayed phonetic annotation with Praat

♦ ♦ ♦ I recently moved this blog from to github and it'll take some time to copy all the content over from wordpress to jekyll. ♦ ♦ ♦