Building emotional support chatbots in the era of llms

Z Zheng, L Liao, Y Deng, L Nie - arxiv preprint arxiv:2308.11584, 2023 - arxiv.org
The integration of emotional support into various conversational scenarios presents
profound societal benefits, such as social interactions, mental health counseling, and …

Proactive Conversational AI: A Comprehensive Survey of Advancements and Opportunities

Y Deng, L Liao, W Lei, G Yang, W Lam… - ACM Transactions on …, 2025 - dl.acm.org
Dialogue systems are designed to offer human users social support or functional services
through natural language interactions. Traditional conversation research has put significant …

Proactive conversational agents

L Liao, GH Yang, C Shah - … Conference on Web Search and Data …, 2023 - dl.acm.org
Conversational agents, or commonly known as dialogue systems, have gained escalating
popularity in recent years. Their widespread applications support conversational interactions …

Structured and natural responses co-generation for conversational search

C Ye, L Liao, F Feng, W Ji, TS Chua - Proceedings of the 45th …, 2022 - dl.acm.org
Generating fluent and informative natural responses while main-taining representative
internal states for search optimization is critical for conversational search systems. Existing …

On the Feasibility of Simple Transformer for Dynamic Graph Modeling

Y Wu, Y Fang, L Liao - Proceedings of the ACM on Web Conference …, 2024 - dl.acm.org
Dynamic graph modeling is crucial for understanding complex structures in web graphs,
spanning applications in social networks, recommender systems, and more. Most existing …

UTMGAT: a unified transformer with memory encoder and graph attention networks for multidomain dialogue state tracking

MA Khan, BK Prasad, G Qi, W Song, F Ye, Z Ali… - Applied …, 2024 - Springer
Spoken dialogue systems (SDS) heavily rely on dialogue state tracking (DST) for success.
However, providing sufficient computational power for training proves challenging, given …

Semi-supervised new slot discovery with incremental clustering

Y Wu, L Liao, X Qian, TS Chua - Findings of the Association for …, 2022 - aclanthology.org
Discovering new slots is critical to the success of dialogue systems. Most existing methods
rely on automatic slot induction in unsupervised fashion or perform domain adaptation …

Conversation disentanglement with bi-level contrastive learning

C Huang, Z Zhang, H Fei, L Liao - arxiv preprint arxiv:2210.15265, 2022 - arxiv.org
Conversation disentanglement aims to group utterances into detached sessions, which is a
fundamental task in processing multi-party conversations. Existing methods have two main …

Spring: Situated conversation agent pretrained with multimodal questions from incremental layout graph

Y Long, B Hui, F Ye, Y Li, Z Han, C Yuan, Y Li… - Proceedings of the …, 2023 - ojs.aaai.org
Existing multimodal conversation agents have shown impressive abilities to locate absolute
positions or retrieve attributes in simple scenarios, but they fail to perform well when …

Common ground tracking in multimodal dialogue

I Khebour, K Lai, M Bradford, Y Zhu, R Brutti… - arxiv preprint arxiv …, 2024 - arxiv.org
Within Dialogue Modeling research in AI and NLP, considerable attention has been spent
on``dialogue state tracking''(DST), which is the ability to update the representations of the …