The Natural Language Processing and Sentiment Analysis (NLPSA) Lab at Academia Sinica is a team of faculty, postdocs, and students who work together on algorithm and applications.

Our work ranges from basic research in computational linguistics to key applications in human language technology, and covers areas such as sentiment analysis, semantic role labeling, information extraction and computer assisted language learning (CALL).

Lab members

We work together

on awesome algorithm and fancy applications.






systems we developed

including Semantic Role Labeling, language learning, emotion detection..

SRL Concept

A semantic role labeling system. (Shafqat Virk and Andy Lee)


This project aims to recognize implicit emotions in blog posts. (Chenyi Lee and Maxis Kao)


An online writing assessment tool that help ESL choosing right emotion words. (Wei-Fan Chen and Frankle Chen)


Learning confusion words by example sentences. (Chieh-Yang Huang)


Corpus and Resource Download

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