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Recent advancements in generative artificial intelligence have introduced groundbreaking approaches to innovating next-generation semantic communication, which prioritizes conveying the meaning of a message rather than merely transmitting…

人工智能 · 计算机科学 2025-05-19 Achintha Wijesinghe , Weiwei Wang , Suchinthaka Wanninayaka , Songyang Zhang , Zhi Ding

Conversational systems must be robust to user interactions that naturally exhibit diverse conversational traits. Capturing and simulating these diverse traits coherently and efficiently presents a complex challenge. This paper introduces…

计算与语言 · 计算机科学 2024-10-29 Rafael Ferreira , David Semedo , João Magalhães

Knowledge-grounded dialogue systems are intended to convey information that is based on evidence provided in a given source text. We discuss the challenges of training a generative neural dialogue model for such systems that is controlled…

计算与语言 · 计算机科学 2021-07-16 Hannah Rashkin , David Reitter , Gaurav Singh Tomar , Dipanjan Das

Many neural network models nowadays have achieved promising performances in Chit-chat settings. The majority of them rely on an encoder for understanding the post and a decoder for generating the response. Without given assigned semantics,…

计算与语言 · 计算机科学 2020-12-08 Hung-Ting Chen , Yu-Chieh Chao , Ta-Hsuan Chao , Wei-Yun Ma

As generative models become ubiquitous, there is a critical need for fine-grained control over the generation process. Yet, while controlled generation methods from prompting to fine-tuning proliferate, a fundamental question remains…

人工智能 · 计算机科学 2026-01-12 Emily Cheng , Carmen Amo Alonso , Federico Danieli , Arno Blaas , Luca Zappella , Pau Rodriguez , Xavier Suau

Dialogue systems need to produce responses that realize multiple types of dialogue acts (DAs) with high semantic fidelity. In the past, natural language generators (NLGs) for dialogue were trained on large parallel corpora that map from a…

计算与语言 · 计算机科学 2023-07-28 Angela Ramirez , Karik Agarwal , Juraj Juraska , Utkarsh Garg , Marilyn A. Walker

Mixed-initiative dialogue tasks involve repeated exchanges of information and conversational control. Conversational agents gain control by generating responses that follow particular dialogue intents or strategies, prescribed by a policy…

计算与语言 · 计算机科学 2023-05-09 Maximillian Chen , Xiao Yu , Weiyan Shi , Urvi Awasthi , Zhou Yu

The task-oriented semantic communication systems have achieved significant performance gain, however, the paradigm that employs a model for a specific task might be limited, since the system has to be updated once the task is changed or…

信号处理 · 电气工程与系统科学 2022-06-02 Guangyi Zhang , Qiyu Hu , Zhijin Qin , Yunlong Cai , Guanding Yu

As the text generation capabilities of large language models become increasingly prominent, recent studies have focused on controlling particular aspects of the generated text to make it more personalized. However, most research on…

计算与语言 · 计算机科学 2024-02-08 Bashar Alhafni , Vivek Kulkarni , Dhruv Kumar , Vipul Raheja

Recent progress in generative models has stimulated significant innovations in many fields, such as image generation and chatbots. Despite their success, these models often produce sketchy and misleading solutions for complex multi-agent…

人工智能 · 计算机科学 2024-10-04 Zeyang Liu , Xinrui Yang , Shiguang Sun , Long Qian , Lipeng Wan , Xingyu Chen , Xuguang Lan

Natural Language Generation (NLG) for task-oriented dialogue systems focuses on communicating specific content accurately, fluently, and coherently. While these attributes are crucial for a successful dialogue, it is also desirable to…

Conditioned dialogue generation suffers from the scarcity of labeled responses. In this work, we exploit labeled non-dialogue text data related to the condition, which are much easier to collect. We propose a multi-task learning approach to…

计算与语言 · 计算机科学 2021-04-27 Yan Zeng , Jian-Yun Nie

Effective feature representations play a critical role in enhancing the performance of text generation models that rely on deep neural networks. However, current approaches suffer from several drawbacks, such as the inability to capture the…

计算与语言 · 计算机科学 2024-02-27 Omama Hamad , Ali Hamdi , Khaled Shaban

Generative encoder-decoder models offer great promise in developing domain-general dialog systems. However, they have mainly been applied to open-domain conversations. This paper presents a practical and novel framework for building…

计算与语言 · 计算机科学 2017-06-27 Tiancheng Zhao , Allen Lu , Kyusong Lee , Maxine Eskenazi

In recent years, there has been a growing interest in the development of language models capable of generating text with controllable attributes. While several approaches have been proposed, many of these methods require condition-specific…

计算与语言 · 计算机科学 2023-02-22 Shangda Wu , Maosong Sun

Dialogue systems pretrained with large language models generate locally coherent responses, but lack the fine-grained control over responses necessary to achieve specific goals. A promising method to control response generation is…

计算与语言 · 计算机科学 2021-03-26 Prakhar Gupta , Jeffrey P. Bigham , Yulia Tsvetkov , Amy Pavel

Chatbots based on large language models offer cheap conversation practice opportunities for language learners. However, they are hard to control for linguistic forms that correspond to learners' current needs, such as grammar. We control…

计算与语言 · 计算机科学 2025-02-12 Dominik Glandorf , Peng Cui , Detmar Meurers , Mrinmaya Sachan

Conversational agents based on Large Language Models (LLMs) have recently emerged as powerful tools for human-computer interaction. Nevertheless, their black-box nature implies challenges in predictability and a lack of personalization,…

计算与语言 · 计算机科学 2026-04-07 Barbara Gendron , Gaël Guibon , Mathieu d'Aquin

Current end-to-end neural conversation models inherently lack the flexibility to impose semantic control in the response generation process, often resulting in uninteresting responses. Attempts to boost informativeness alone come at the…

Controllable text generation concerns two fundamental tasks of wide applications, namely generating text of given attributes (i.e., attribute-conditional generation), and minimally editing existing text to possess desired attributes (i.e.,…

计算与语言 · 计算机科学 2022-01-25 Zhiting Hu , Li Erran Li