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Recent Multi-Party Conversation (MPC) models typically rely on graph-based approaches to capture dialogue structures. However, these methods have limitations, such as information loss during the projection of utterances into structural…

Computation and Language · Computer Science 2025-02-25 Yoonjin Jang , Keunha Kim , Youngjoong Ko

End-to-end speech-to-speech (S2S) dialogue systems have recently garnered increasing research attention for their lower latency and more natural integration of nonverbal cues such as emotion and speaker identity. However, these systems face…

Computation and Language · Computer Science 2025-11-12 Pengchao Feng , Ziyang Ma , Wenxi Chen , Yao Li , Sheng Wang , Kai Yu , Xie Chen

Semantic information refers to the meaning conveyed through words, phrases, and contextual relationships within a given linguistic structure. Humans can leverage semantic information, such as familiar linguistic patterns and contextual…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-06 Jixun Yao , Hexin Liu , Chen Chen , Yuchen Hu , EngSiong Chng , Lei Xie

Text-to-image diffusion models have achieved remarkable image quality, but they still struggle with complex, multiele ment prompts, and limited stylistic diversity. To address these limitations, we propose a Multi-Expert Planning and Gen…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Yuan Zhao , Lin Liu

Two types of knowledge, triples from knowledge graphs and texts from documents, have been studied for knowledge aware open-domain conversation generation, in which graph paths can narrow down vertex candidates for knowledge selection…

Artificial Intelligence · Computer Science 2019-09-04 Zhibin Liu , Zheng-Yu Niu , Hua Wu , Haifeng Wang

Knowledge selection is the key in knowledge-grounded dialogues (KGD), which aims to select an appropriate knowledge snippet to be used in the utterance based on dialogue history. Previous studies mainly employ the classification approach to…

Computation and Language · Computer Science 2023-04-12 Weiwei Sun , Pengjie Ren , Zhaochun Ren

In this paper, we address three challenges in utterance-level emotion recognition in dialogue systems: (1) the same word can deliver different emotions in different contexts; (2) some emotions are rarely seen in general dialogues; (3)…

Computation and Language · Computer Science 2019-04-10 Wenxiang Jiao , Haiqin Yang , Irwin King , Michael R. Lyu

Retrieval-augmented generation (RAG) systems enhance large language models (LLMs) with external knowledge but are vulnerable to corpus poisoning and contamination attacks, which can compromise output integrity. Existing defenses often apply…

Computation and Language · Computer Science 2025-10-16 Xiaonan Si , Meilin Zhu , Simeng Qin , Lijia Yu , Lijun Zhang , Shuaitong Liu , Xinfeng Li , Ranjie Duan , Yang Liu , Xiaojun Jia

Recent years have witnessed impressive results of pre-trained vision-language models on knowledge-intensive tasks such as visual question answering (VQA). Despite the recent advances in VQA, existing methods mainly adopt a discriminative…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Timothy Ossowski , Junjie Hu

Retrieval-Augmented Generation (RAG) systems have emerged as a promising solution to enhance large language models (LLMs) by integrating external knowledge retrieval with generative capabilities. While significant advancements have been…

Human-Computer Interaction · Computer Science 2025-08-11 Sizhe Cheng , Jiaping Li , Huanchen Wang , Yuxin Ma

We introduce CRPE (Code Reasoning Process Enhancer), an innovative three-stage framework for data synthesis and model training that advances the development of sophisticated code reasoning capabilities in large language models (LLMs).…

Software Engineering · Computer Science 2025-05-19 Ningxin Gui , Qianghuai Jia , Feijun Jiang , Yuling Jiao , dechun wang , Jerry Zhijian Yang

Goal-oriented dialogue systems are now being widely adopted in industry where it is of key importance to maintain a rapid prototyping cycle for new products and domains. Data-driven dialogue system development has to be adapted to meet this…

Computation and Language · Computer Science 2019-10-04 Igor Shalyminov , Sungjin Lee , Arash Eshghi , Oliver Lemon

Retrieval-augmented generation (RAG) has improved large language models (LLMs) by using knowledge retrieval to overcome knowledge deficiencies. However, current RAG methods often fall short of ensuring the depth and completeness of…

Computation and Language · Computer Science 2025-02-11 Shengjie Ma , Chengjin Xu , Xuhui Jiang , Muzhi Li , Huaren Qu , Cehao Yang , Jiaxin Mao , Jian Guo

While large language models hold promise for complex medical applications, their development is hindered by the scarcity of high-quality reasoning data. To address this issue, existing approaches typically distill chain-of-thought reasoning…

Machine Learning · Computer Science 2026-04-14 Haolin Li , Shuyang Jiang , Ruipeng Zhang , Jiangchao Yao , Ya Zhang , Yanfeng Wang

Automatic methods for evaluating machine-generated texts hold significant importance due to the expanding applications of generative systems. Conventional methods tend to grapple with a lack of explainability, issuing a solitary numerical…

Computation and Language · Computer Science 2024-03-19 Shenyu Zhang , Yu Li , Rui Wu , Xiutian Huang , Yongrui Chen , Wenhao Xu , Guilin Qi

Large language models (LLMs) have demonstrated strong capabilities in medical question answering; however, purely parametric models often suffer from knowledge gaps and limited factual grounding. Retrieval-augmented generation (RAG)…

Computation and Language · Computer Science 2026-04-09 Nusrat Sultana , Abdullah Muhammad Moosa , Kazi Afzalur Rahman , Sajal Chandra Banik

Large Language Models (LLMs) have achieved strong performance across a wide range of natural language processing tasks in recent years, including machine translation, text generation, and question answering. As their applications extend to…

Computation and Language · Computer Science 2025-12-30 Xin Zhang , Yang Cao , Baoxing Wu , Xinyi Chen , Kai Song , Siying Li

Extracting MITRE ATT\&CK Tactics, Techniques, and Procedures (TTPs) from natural language threat reports is crucial yet challenging. Existing methods primarily focus on performance metrics using data-driven approaches, often neglecting…

Cryptography and Security · Computer Science 2025-05-15 Cheng Meng , ZhengWei Jiang , QiuYun Wang , XinYi Li , ChunYan Ma , FangMing Dong , FangLi Ren , BaoXu Liu

Keyphrase generation is the task consisting in generating a set of words or phrases that highlight the main topics of a document. There are few datasets for keyphrase generation in the biomedical domain and they do not meet the expectations…

Computation and Language · Computer Science 2022-11-23 Mael Houbre , Florian Boudin , Beatrice Daille

Dialogue relation extraction (DRE) aims to detect the relation between two entities mentioned in a multi-party dialogue. It plays an important role in constructing knowledge graphs from conversational data increasingly abundant on the…

Computation and Language · Computer Science 2021-06-22 Hui Chen , Pengfei Hong , Wei Han , Navonil Majumder , Soujanya Poria
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