Yucheng Cai — accepted AI-conference papers

2025

Entriever: Energy-based Retriever for Knowledge-Grounded Dialog Systems

Yucheng Cai, Ke Li, Yi Huang, Junlan Feng, Zhijian Ou

ACL 2025finding

The retriever, which retrieves relevant knowledge pieces from a knowledge base given a context, is an important component in many natural language processing (NLP) tasks. Retrievers have been introduced in knowledge-grounded dialog systems to improve knowledge acquisition. In knowledge-grounded dial…

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2024

UniPCM: Universal Pre-trained Conversation Model with Task-aware Automatic Prompt

Yucheng Cai, Wentao Ma, Yuchuan Wu, Shuzheng Si, Yuan Shao, Zhijian Ou +1

COLING 2024main

Recent researches have shown that multi-task instruction tuning after pre-training greatly improves the model’s robustness and transfer ability, which is crucial for building a high-quality dialog system. However, most previous works on multi-task instruction tuning rely heavily on human-defined inp…

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