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In dialogue generation, the naturalness of responses is crucial for effective human-machine interaction. Personalized response generation poses even greater challenges, as the responses must remain coherent and consistent with the user's…

计算与语言 · 计算机科学 2025-06-18 Chih-Hao Hsu , Ying-Jia Lin , Hung-Yu Kao

Pre-trained language models (PrLMs) have achieved great success on a wide range of natural language processing tasks by virtue of the universal language representation ability obtained by self-supervised learning on a large corpus. These…

计算与语言 · 计算机科学 2022-10-21 Junlong Li , Zhuosheng Zhang , Hai Zhao

Learning interpretable dialog structure from human-human dialogs yields basic insights into the structure of conversation, and also provides background knowledge to facilitate dialog generation. In this paper, we conduct unsupervised…

人工智能 · 计算机科学 2021-01-01 Jun Xu , Zeyang Lei , Haifeng Wang , Zheng-Yu Niu , Hua Wu , Wanxiang Che , Ting Liu

Encoder-decoder based neural architectures serve as the basis of state-of-the-art approaches in end-to-end open domain dialog systems. Since most of such systems are trained with a maximum likelihood~(MLE) objective they suffer from issues…

The powerful text understanding and generation capabilities of large language models (LLMs) have brought new vitality to general recommendation with implicit feedback. One possible strategy involves generating a unique user (or item)…

信息检索 · 计算机科学 2025-12-15 Yi Zhang , Yiwen Zhang , Yu Wang , Tong Chen , Hongzhi Yin

Large Language Models have demonstrated remarkable capabilities in open-domain dialogues. However, current methods exhibit suboptimal performance in service dialogues, as they rely on noisy, low-quality human conversation data. This…

计算与语言 · 计算机科学 2026-05-06 Yuqin Dai , Ning Gao , Wei Zhang , Jie Wang , Zichen Luo , Jinpeng Wang , Yujie Wang , Ruiyuan Wu , Chaozheng Wang

Large Language Models (LLMs) has shown exceptional capabilities in many natual language understanding and generation tasks. However, the personalization issue still remains a much-coveted property, especially when it comes to the multiple…

计算与语言 · 计算机科学 2024-11-27 Hongru Wang , Wenyu Huang , Yang Deng , Rui Wang , Zezhong Wang , Yufei Wang , Fei Mi , Jeff Z. Pan , Kam-Fai Wong

Persona-assigned large language models (LLMs) are used in domains such as education, healthcare, and sociodemographic simulation. Yet, they are typically evaluated only in short, single-round settings that do not reflect real-world usage.…

Incorporating personas information allows diverse and engaging responses in dialogue response generation. Unfortunately, prior works have primarily focused on self personas and have overlooked the value of partner personas. Moreover, in…

计算与语言 · 计算机科学 2021-11-30 Hongyuan Lu , Wai Lam , Hong Cheng , Helen M. Meng

Large language models (LLMs) are typically aligned with population-level preferences, despite substantial variation across individual users. We introduce POPI, a user-level personalization framework that separates the problem into two…

计算与语言 · 计算机科学 2026-04-28 Yizhuo Chen , Xin Liu , Ruijie Wang , Zheng Li , Pei Chen , Changlong Yu , Qingyu Yin , Priyanka Nigam , Meng Jiang , Bing Yin

Although pre-training models have achieved great success in dialogue generation, their performance drops dramatically when the input contains an entity that does not appear in pre-training and fine-tuning datasets (unseen entity). To…

计算与语言 · 计算机科学 2021-09-14 Leyang Cui , Yu Wu , Shujie Liu , Yue Zhang

Pre-training models have been proved effective for a wide range of natural language processing tasks. Inspired by this, we propose a novel dialogue generation pre-training framework to support various kinds of conversations, including…

计算与语言 · 计算机科学 2020-05-01 Siqi Bao , Huang He , Fan Wang , Hua Wu , Haifeng Wang

The core of the dialogue system is to generate relevant, informative, and human-like responses based on extensive dialogue history. Recently, dialogue generation domain has seen mainstream adoption of large language models (LLMs), due to…

计算与语言 · 计算机科学 2024-06-05 Shixuan Fan , Wei Wei , Wendi Li , Xian-Ling Mao , Wenfeng Xie , Dangyang Chen

Neural networks are one tool for approximating non-linear differential equations used in scientific computing tasks such as surrogate modeling, real-time predictions, and optimal control. PDE foundation models utilize neural networks to…

机器学习 · 计算机科学 2025-02-11 Elisa Negrini , Yuxuan Liu , Liu Yang , Stanley J. Osher , Hayden Schaeffer

Existing expressive text-to-speech (TTS) systems primarily model a limited set of categorical emotions, whereas human conversations extend far beyond these predefined emotions, making it essential to explore more diverse emotional speech…

音频与语音处理 · 电气工程与系统科学 2025-06-04 Xiaoxue Gao , Huayun Zhang , Nancy F. Chen

Goal oriented dialogue systems have become a prominent customer-care interaction channel for most businesses. However, not all interactions are smooth, and customer intent misunderstanding is a major cause of dialogue failure. We show that…

计算与语言 · 计算机科学 2021-10-26 Eyal Ben-David , Boaz Carmeli , Ateret Anaby-Tavor

Dialog systems enriched with external knowledge can handle user queries that are outside the scope of the supporting databases/APIs. In this paper, we follow the baseline provided in DSTC9 Track 1 and propose three subsystems, KDEAK,…

In multi-turn dialogues, large language models (LLM) face a critical challenge of ensuring coherence while adapting to user-specific information. This study introduces the persona knowledge gap, the discrepancy between a model's internal…

计算与语言 · 计算机科学 2025-03-18 Sarvesh Baskar , Tanmay Tulsidas Verelakar , Srinivasan Parthasarathy , Manas Gaur

The growing ubiquity of conversational AI highlights the need for frameworks that capture not only users' instrumental goals but also the situated, adaptive, and social practices through which they achieve them. Existing taxonomies of…

人机交互 · 计算机科学 2025-10-13 Renee Shelby , Fernando Diaz , Vinodkumar Prabhakaran

Information-seeking conversation systems are increasingly popular in real-world applications, especially for e-commerce companies. To retrieve appropriate responses for users, it is necessary to compute the matching degrees between…

计算与语言 · 计算机科学 2022-11-03 Haojie Pan , Cen Chen , Chengyu Wang , Minghui Qiu , Liu Yang , Feng Ji , Jun Huang