Carel van Niekerk

Publication Activity (10 Years)

Years Active: 2020-2023
Publications (10 Years): 36

Top Topics

Reinforcement Learning

Dempster Shafer

Dialogue System

Top Venues

Publications

Carel van Niekerk, Christian Geishauser, Michael Heck, Shutong Feng, Hsien-Chin Lin, Nurul Lubis, Benjamin Matthias Ruppik, Renato Vukovic, Milica Gasic
CAMELL: Confidence-based Acquisition Model for Efficient Self-supervised Active Learning with Label Validation. CoRR (2023)
Hsien-Chin Lin, Shutong Feng, Christian Geishauser, Nurul Lubis, Carel van Niekerk, Michael Heck, Benjamin Matthias Ruppik, Renato Vukovic, Milica Gasic
EmoUS: Simulating User Emotions in Task-Oriented Dialogues. CoRR (2023)
Shutong Feng, Nurul Lubis, Benjamin Matthias Ruppik, Christian Geishauser, Michael Heck, Hsien-Chin Lin, Carel van Niekerk, Renato Vukovic, Milica Gasic
From Chatter to Matter: Addressing Critical Steps of Emotion Recognition Learning in Task-oriented Dialogue. CoRR (2023)
Qi Zhu, Christian Geishauser, Hsien-Chin Lin, Carel van Niekerk, Baolin Peng, Zheng Zhang, Shutong Feng, Michael Heck, Nurul Lubis, Dazhen Wan, Xiaochen Zhu, Jianfeng Gao, Milica Gasic, Minlie Huang
ConvLab-3: A Flexible Dialogue System Toolkit Based on a Unified Data Format. EMNLP (Demos) (2023)
Hsien-Chin Lin, Shutong Feng, Christian Geishauser, Nurul Lubis, Carel van Niekerk, Michael Heck, Benjamin Matthias Ruppik, Renato Vukovic, Milica Gasic
EmoUS: Simulating User Emotions in Task-Oriented Dialogues. SIGIR (2023)
Shutong Feng, Nurul Lubis, Benjamin Matthias Ruppik, Christian Geishauser, Michael Heck, Hsien-Chin Lin, Carel van Niekerk, Renato Vukovic, Milica Gasic
From Chatter to Matter: Addressing Critical Steps of Emotion Recognition Learning in Task-oriented Dialogue. SIGDIAL (2023)
Michael Heck, Nurul Lubis, Benjamin Matthias Ruppik, Renato Vukovic, Shutong Feng, Christian Geishauser, Hsien-Chin Lin, Carel van Niekerk, Milica Gasic
ChatGPT for Zero-shot Dialogue State Tracking: A Solution or an Opportunity? CoRR (2023)
Michael Heck, Nurul Lubis, Benjamin Matthias Ruppik, Renato Vukovic, Shutong Feng, Christian Geishauser, Hsien-Chin Lin, Carel van Niekerk, Milica Gasic
ChatGPT for Zero-shot Dialogue State Tracking: A Solution or an Opportunity? ACL (2) (2023)
Renato Vukovic, Michael Heck, Benjamin Matthias Ruppik, Carel van Niekerk, Marcus Zibrowius, Milica Gasic
Dialogue Term Extraction using Transfer Learning and Topological Data Analysis. SIGDIAL (2022)
Hsien-Chin Lin, Christian Geishauser, Shutong Feng, Nurul Lubis, Carel van Niekerk, Michael Heck, Milica Gasic
GenTUS: Simulating User Behaviour and Language in Task-oriented Dialogues with Generative Transformers. CoRR (2022)
Christian Geishauser, Carel van Niekerk, Nurul Lubis, Michael Heck, Hsien-Chin Lin, Shutong Feng, Milica Gasic
Dynamic Dialogue Policy Transformer for Continual Reinforcement Learning. CoRR (2022)
Nurul Lubis, Christian Geishauser, Hsien-Chin Lin, Carel van Niekerk, Michael Heck, Shutong Feng, Milica Gasic
Dialogue Evaluation with Offline Reinforcement Learning. SIGDIAL (2022)
Shutong Feng, Nurul Lubis, Christian Geishauser, Hsien-Chin Lin, Michael Heck, Carel van Niekerk, Milica Gasic
EmoWOZ: A Large-Scale Corpus and Labelling Scheme for Emotion Recognition in Task-Oriented Dialogue Systems. LREC (2022)
Qi Zhu, Christian Geishauser, Hsien-Chin Lin, Carel van Niekerk, Baolin Peng, Zheng Zhang, Michael Heck, Nurul Lubis, Dazhen Wan, Xiaochen Zhu, Jianfeng Gao, Milica Gasic, Minlie Huang
ConvLab-3: A Flexible Dialogue System Toolkit Based on a Unified Data Format. CoRR (2022)
Michael Heck, Nurul Lubis, Carel van Niekerk, Shutong Feng, Christian Geishauser, Hsien-Chin Lin, Milica Gasic
Robust Dialogue State Tracking with Weak Supervision and Sparse Data. Trans. Assoc. Comput. Linguistics 10 (2022)
Renato Vukovic, Michael Heck, Benjamin Matthias Ruppik, Carel van Niekerk, Marcus Zibrowius, Milica Gasic
Dialogue Term Extraction using Transfer Learning and Topological Data Analysis. CoRR (2022)
Christian Geishauser, Carel van Niekerk, Hsien-Chin Lin, Nurul Lubis, Michael Heck, Shutong Feng, Milica Gasic
Dynamic Dialogue Policy for Continual Reinforcement Learning. COLING (2022)
Michael Heck, Nurul Lubis, Carel van Niekerk, Shutong Feng, Christian Geishauser, Hsien-Chin Lin, Milica Gasic
Robust Dialogue State Tracking with Weak Supervision and Sparse Data. CoRR (2022)
Nurul Lubis, Christian Geishauser, Hsien-Chin Lin, Carel van Niekerk, Michael Heck, Shutong Feng, Milica Gasic
Dialogue Evaluation with Offline Reinforcement Learning. CoRR (2022)
Hsien-Chin Lin, Christian Geishauser, Shutong Feng, Nurul Lubis, Carel van Niekerk, Michael Heck, Milica Gasic
GenTUS: Simulating User Behaviour and Language in Task-oriented Dialogues with Generative Transformers. SIGDIAL (2022)
Carel van Niekerk, Andrey Malinin, Christian Geishauser, Michael Heck, Hsien-Chin Lin, Nurul Lubis, Shutong Feng, Milica Gasic
Uncertainty Measures in Neural Belief Tracking and the Effects on Dialogue Policy Performance. CoRR (2021)
Carel van Niekerk, Andrey Malinin, Christian Geishauser, Michael Heck, Hsien-Chin Lin, Nurul Lubis, Shutong Feng, Milica Gasic
Uncertainty Measures in Neural Belief Tracking and the Effects on Dialogue Policy Performance. EMNLP (1) (2021)
Christian Geishauser, Songbo Hu, Hsien-Chin Lin, Nurul Lubis, Michael Heck, Shutong Feng, Carel van Niekerk, Milica Gasic
What Does The User Want? Information Gain for Hierarchical Dialogue Policy Optimisation. CoRR (2021)
Christian Geishauser, Songbo Hu, Hsien-Chin Lin, Nurul Lubis, Michael Heck, Shutong Feng, Carel van Niekerk, Milica Gasic
What does the User Want? Information Gain for Hierarchical Dialogue Policy Optimisation. ASRU (2021)
Shutong Feng, Nurul Lubis, Christian Geishauser, Hsien-Chin Lin, Michael Heck, Carel van Niekerk, Milica Gasic
EmoWOZ: A Large-Scale Corpus and Labelling Scheme for Emotion in Task-Oriented Dialogue Systems. CoRR (2021)
Hsien-Chin Lin, Nurul Lubis, Songbo Hu, Carel van Niekerk, Christian Geishauser, Michael Heck, Shutong Feng, Milica Gasic
Domain-independent User Simulation with Transformers for Task-oriented Dialogue Systems. SIGDIAL (2021)
Hsien-Chin Lin, Nurul Lubis, Songbo Hu, Carel van Niekerk, Christian Geishauser, Michael Heck, Shutong Feng, Milica Gasic
Domain-independent User Simulation with Transformers for Task-oriented Dialogue Systems. CoRR (2021)
Michael Heck, Carel van Niekerk, Nurul Lubis, Christian Geishauser, Hsien-Chin Lin, Marco Moresi, Milica Gasic
TripPy: A Triple Copy Strategy for Value Independent Neural Dialog State Tracking. CoRR (2020)
Michael Heck, Christian Geishauser, Hsien-Chin Lin, Nurul Lubis, Marco Moresi, Carel van Niekerk, Milica Gasic
Out-of-Task Training for Dialog State Tracking Models. COLING (2020)
Michael Heck, Carel van Niekerk, Nurul Lubis, Christian Geishauser, Hsien-Chin Lin, Marco Moresi, Milica Gasic
TripPy: A Triple Copy Strategy for Value Independent Neural Dialog State Tracking. SIGdial (2020)
Nurul Lubis, Michael Heck, Carel van Niekerk, Milica Gasic
Adaptable Conversational Machines. AI Mag. 41 (3) (2020)
Michael Heck, Carel van Niekerk, Nurul Lubis, Christian Geishauser, Hsien-Chin Lin, Marco Moresi, Milica Gasic
Out-of-Task Training for Dialog State Tracking Models. CoRR (2020)
Nurul Lubis, Christian Geishauser, Michael Heck, Hsien-Chin Lin, Marco Moresi, Carel van Niekerk, Milica Gasic
LAVA: Latent Action Spaces via Variational Auto-encoding for Dialogue Policy Optimization. COLING (2020)
Nurul Lubis, Christian Geishauser, Michael Heck, Hsien-Chin Lin, Marco Moresi, Carel van Niekerk, Milica Gasic
LAVA: Latent Action Spaces via Variational Auto-encoding for Dialogue Policy Optimization. CoRR (2020)
Carel van Niekerk, Michael Heck, Christian Geishauser, Hsien-Chin Lin, Nurul Lubis, Marco Moresi, Milica Gasic
Knowing What You Know: Calibrating Dialogue Belief State Distributions via Ensembles. CoRR (2020)
Carel van Niekerk, Michael Heck, Christian Geishauser, Hsien-Chin Lin, Nurul Lubis, Marco Moresi, Milica Gasic
Knowing What You Know: Calibrating Dialogue Belief State Distributions via Ensembles. EMNLP (Findings) (2020)