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Zhiyin Tan

Natural Language Processing | Knowledge Mining

Education

Ph.D. Student in Natural Language Processing

02.2024 - current

L3S Research Center, Leibniz University Hannover, Hannover, Germany

M.Sc. Computaional Linguistics

11.2018 - 03.2023

IMS, Departments of Computer Science, Faculty 5, University of Stuttgart, Stuttgart, Germany

M.A. Chinese Linguistics

08.2016 - 10.2018

Faculty of Arts and Humanities, University of Macau, Macau, China (Scholarship)

B.A. Chinese Language and Literature (Education)

09.2012 - 06.2016

Wuyi University, Jiangmen, China (an outstanding student leader in the top 2% and an outstanding graduate in the top 10%.)

Work Experience

Research Assistant

L3S Research Center, Leibniz University Hannover, Hannover, Germany

02.2024 - Current

Working in project Hybrid Intelligence through Interpretable AI (HybrInt) emphasizing academic publications knowledge mining.

R&D NLU Language Specialist

Cerence GmbH, Aachen & Ulm, Germany (Remote)

10.2020 - 09.2022

Processed training/test data, developed a WPF annotation tool, and enhanced dialogue system accuracy by 10% through error analysis.

Research Analyst Intern

E-Research & Solutions, Macau, China

12.2016 - 06.2017

Analyzed social media data for public opinion fine-grained sentiment analysis, contributed to writing reports & “Data Mining” brochures.

Teaching Assistant

University of Macao, Macao, China

01.2017 - 05.2017

Prepared materials, organized group discussions, assisted in organizing conferences, and responsible for publicity work.

Publications

EviMap: Evidence-Grounded Hierarchical Topic Maps for Exploring Unlabeled Corpora

Zhiyin Tan, Changxu Duan, ACM International Conference on Information and Knowledge Management (CIKM, Demo Paper, to appear).

Beyond Catalogue Counts: the Dataset Visibility Asymmetry in Low-Resource Multilingual NLP

Zhiyin Tan, Changxu Duan, The 15th International Conference on Language Resources and Evaluation (LREC, Oral).

Diagnosing the Limits of Large Language Models for Structured Scientific Evidence Extraction

Zhiyin Tan, Jennifer D'Souza, Sören Auer, International Journal on Digital Libraries (IJDL, extended version of the IRCDL 2026 paper, to appear).

Diagnosing Structural Failures in LLM-Based Evidence Extraction for Meta-Analysis

⎡Best Paper Award⎦

Zhiyin Tan, Jennifer D'Souza, the 22nd Conference on Information and Research Science Connecting to Digital and Library Science.

Multi-Disciplinary Dataset Discovery from Citation-Verified Literature Contexts

Zhiyin Tan, Changxu Duan, the 25th ACM/IEEE Joint Conference on Digital Libraries (JCDL, Oral).

Semantically Orthogonal Framework for Citation Classification: Disentangling Intent and Content

Changxu Duan*, Zhiyin Tan*(*co-first), the 29th International Conference on Theory and Practice of Digital Libraries (TPDL, Oral).

Toward purpose-oriented topic model evaluation enabled by large language models

Zhiyin Tan, Jennifer D'Souza, International Journal on Digital Libraries, Volume 26, article number 23, 2025 (IJDL).

Bridging the Evaluation Gap: Leveraging Large Language Models for Topic Model Evaluation

Zhiyin Tan, Jennifer D'Souza, the 21st Conference on Information and Research Science Connecting to Digital and Library Science.

LATEX Rainbow: Universal LATEX to PDF Document Semantic & Layout Annotation Framework

Changxu Duan, Zhiyin Tan, Sabine Bartsch, the 2nd Workshop on Information Extraction from Scientific Publications at IJCNLP-AACL.

Applied Contrastive Learning to Fine-grained Entity Type Classification (Master's Thesis)
Text-based Personality Prediction

Zhiyin Tan, Poster presented at the Machine Learning Summer School (MLSS 2021 Taipei).

The use of Cantonese Discourse Markers by Legislative Council Members in Hong Kong and Macau

⎡Excellent Award⎦

Zhiyin Tan, Master's Thesis, preliminary results presented at the 4th Workshop on Innovations in Cantonese Linguistics (WICL-4).

A Comparative Study of Mandarin Pitch Range in Northern and Central Taiwan

Zhiyin Tan, Research conducted during the National Taiwan University Summer+ Intensive Research Visiting Program.

Activities & Skills

  • Serve as a Reviewer:

    ACM Transactions on Intelligent Systems and Technology, the International AAAI Conference on Web and Social Media

  • IBM Female Mentoring Program (2020, Renningen):

    A training program for selected students in CS covering AI and data science.

  • Language:

    Chinese Cantonese Native, Chinese Mandarin Native, English C1, German A1

  • Others:

    Over 20 years in painting, 5 years of news reporting experience, and living with two cats.