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Diverse decoding of large language models is crucial for applications requiring multiple semantically distinct responses, yet existing methods primarily achieve lexical rather than semantic diversity. This limitation significantly…

计算与语言 · 计算机科学 2025-09-30 Weijie Shi , Yue Cui , Yaguang Wu , Jingzhi Fang , Shibo Zhang , Mengze Li , Sirui Han , Jia Zhu , Jiajie Xu , Xiaofang Zhou

Understanding how explicit theoretical features are encoded in opaque neural systems is a central challenge now common to neuroscience and AI. We introduce Metric Learning Encoding Models (MLEMs) to address this challenge most directly as a…

计算与语言 · 计算机科学 2025-11-17 Louis Jalouzot , Christophe Pallier , Emmanuel Chemla , Yair Lakretz

Generating fluent natural language responses from structured semantic representations is a critical step in task-oriented conversational systems. Avenues like the E2E NLG Challenge have encouraged the development of neural approaches,…

计算与语言 · 计算机科学 2019-06-19 Anusha Balakrishnan , Jinfeng Rao , Kartikeya Upasani , Michael White , Rajen Subba

Speech brain-computer interfaces (BCIs) aim to restore communication for people with paralysis by translating neural activity into text. Most systems use cascaded frameworks that decode phonemes before assembling sentences with an n-gram…

The increasing adoption of Cloud-based Large Language Models (CLLMs) has raised significant concerns regarding data privacy during user interactions. While existing approaches primarily focus on encrypting sensitive information, they often…

密码学与安全 · 计算机科学 2025-08-05 Dong Chen , Tong Yang , Feipeng Zhai , Pengpeng Ouyang , Qidong Liu , Yafei Li , Chong Fu , Mingliang Xu

Recently proliferated deep learning-based semantic communications (DLSC) focus on how transmitted symbols efficiently convey a desired meaning to the destination. However, the sensitivity of neural models and the openness of wireless…

Large Language Models (LLMs) have demonstrated exceptional performance across diverse tasks. However, their deployment in long-context scenarios faces high computational overhead and information redundancy. While soft prompt compression has…

计算与语言 · 计算机科学 2026-05-12 Jiwei Tang , Zhijing Huang , Xinyu Zhang , Chen Jason Zhang , Jianxing Yu , Libin Zheng , Rui Meng , Jian Yin

Rule-based systems remain central in safety-critical domains but often struggle with scalability, brittleness, and goal misspecification. These limitations can lead to reward hacking and failures in formal verification, as AI systems tend…

计算机科学中的逻辑 · 计算机科学 2026-05-12 Zainab Rehan , Christian Medeiros Adriano , Sona Ghahremani , Holger Giese

Speech emotion recognition is a crucial problem manifesting in a multitude of applications such as human computer interaction and education. Although several advancements have been made in the recent years, especially with the advent of…

声音 · 计算机科学 2021-03-05 Panagiotis Tzirakis , Anh Nguyen , Stefanos Zafeiriou , Björn W. Schuller

Traditional single-modality sensing faces limitations in accuracy and capability, and its decoupled implementation with communication systems increases latency in bandwidth-constrained environments. Additionally, single-task-oriented…

机器学习 · 计算机科学 2025-03-13 Yubo Peng , Luping Xiang , Kun Yang , Feibo Jiang , Kezhi Wang , Dapeng Oliver Wu

Advancements in non-invasive electroencephalogram (EEG)-based Brain-Computer Interface (BCI) technology have enabled communication through brain activity, offering significant potential for individuals with motor impairments. Existing…

信号处理 · 电气工程与系统科学 2024-09-26 Jingyuan Li , Yansen Wang , Nie Lin , Dongsheng Li

Recent advancements for large-scale pre-training with neural signals such as electroencephalogram (EEG) have shown promising results, significantly boosting the development of brain-computer interfaces (BCIs) and healthcare. However, these…

信号处理 · 电气工程与系统科学 2025-03-21 Wei-Bang Jiang , Yansen Wang , Bao-Liang Lu , Dongsheng Li

Electroencephalogram (EEG) is a non-invasive technique to record bioelectrical signals. Integrating supervised deep learning techniques with EEG signals has recently facilitated automatic analysis across diverse EEG-based tasks. However,…

信号处理 · 电气工程与系统科学 2024-01-12 Weining Weng , Yang Gu , Shuai Guo , Yuan Ma , Zhaohua Yang , Yuchen Liu , Yiqiang Chen

Decoding text stimuli from cognitive signals (e.g. fMRI) enhances our understanding of the human language system, paving the way for building versatile Brain-Computer Interface. However, existing studies largely focus on decoding individual…

信号处理 · 电气工程与系统科学 2023-07-12 Nuwa Xi , Sendong Zhao , Haochun Wang , Chi Liu , Bing Qin , Ting Liu

Understanding and decoding brain activity from electroencephalography (EEG) signals is a fundamental challenge in neuroscience and AI, with applications in cognition, emotion recognition, diagnosis, and brain-computer interfaces. While…

人机交互 · 计算机科学 2025-07-01 Yuchen Zhou , Jiamin Wu , Zichen Ren , Zhouheng Yao , Weiheng Lu , Kunyu Peng , Qihao Zheng , Chunfeng Song , Wanli Ouyang , Chao Gou

The lack of labeled data is a common challenge in speech classification tasks, particularly those requiring extensive subjective assessment, such as cognitive state classification. In this work, we propose a Semi-Supervised Learning (SSL)…

音频与语音处理 · 电气工程与系统科学 2025-05-01 Yuanchao Li , Zixing Zhang , Jing Han , Peter Bell , Catherine Lai

Decoding speech from non-invasive brain signals, such as electroencephalography (EEG), has the potential to advance brain-computer interfaces (BCIs), with applications in silent communication and assistive technologies for individuals with…

音频与语音处理 · 电气工程与系统科学 2025-12-30 Terrance Yu-Hao Chen , Yulin Chen , Pontus Soederhaell , Sadrishya Agrawal , Kateryna Shapovalenko

As one of the potential key technologies of 6G, semantic communication is still in its infancy and there are many open problems, such as semantic entropy definition and semantic channel coding theory. To address these challenges, we…

信息论 · 计算机科学 2025-02-20 Shuai Ma , Chuanhui Zhang , Huayan Qi , Hang Li , Yue Bi , Guangming Shi , Naofal Al-Dhahir

Large Language Models (LLMs) struggle with complex reasoning due to limited diversity and inefficient search. We propose Soft Reasoning, an embedding-based search framework that optimises the embedding of the first token to guide…

计算与语言 · 计算机科学 2025-09-16 Qinglin Zhu , Runcong Zhao , Hanqi Yan , Yulan He , Yudong Chen , Lin Gui

Cross-lingual Speech Emotion Recognition (CLSER) aims to identify emotional states in unseen languages. However, existing methods heavily rely on the semantic synchrony of complete labels and static feature stability, hindering low-resource…

声音 · 计算机科学 2026-04-10 Ya Zhao , Yinfeng Yu , Liejun Wang