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The exponential growth of scientific knowledge has made the automated generation of scientific hypotheses that combine novelty, feasibility, and research value a core challenge. Existing methods based on large language models fail to…

人工智能 · 计算机科学 2025-08-05 Shiyang Duan , Yuan Tian , Qi Bing , Xiaowei Shao

Semantic communication is recognized for its high compression efficiency and robust resistance to noise. However, utilizing a fixed transmission rate in environments with dynamic signal-to-noise ratios (SNR) often results in inefficient use…

信号处理 · 电气工程与系统科学 2025-04-30 Zhiye Sun , Shuai Ma , Shiyin Li

In this paper, a semantic communication framework for image transmission is developed. In the investigated framework, a set of servers cooperatively transmit images to a set of users utilizing semantic communication techniques. To evaluate…

人工智能 · 计算机科学 2023-01-03 Wenjing Zhang , Yining Wang , Mingzhe Chen , Tao Luo , Dusit Niyato

Recently, Large Language Models (LLMs) have demonstrated remarkable advancements in Natural Language Processing (NLP). However, generating high-quality text that balances coherence, diversity, and relevance remains challenging. Traditional…

计算与语言 · 计算机科学 2025-05-01 Jaydip Sen , Rohit Pandey , Hetvi Waghela

This paper considers a variation of the classical two-user interference channel where the communication of two interfering source-destination pairs is aided by an additional node that has a priori knowledge of the messages to be…

信息论 · 计算机科学 2014-09-09 Alex Dytso , Stefano Rini , Natasha Devroye , Daniela Tuninetti

Machine learning methods for computational imaging require uncertainty estimation to be reliable in real settings. While Bayesian models offer a computationally tractable way of recovering uncertainty, they need large data volumes to be…

机器学习 · 计算机科学 2020-08-24 Francesco Tonolini , Jack Radford , Alex Turpin , Daniele Faccio , Roderick Murray-Smith

Multi-agent inverse reinforcement learning (MIRL) can be used to learn reward functions from agents in social environments. To model realistic social dynamics, MIRL methods must account for suboptimal human reasoning and behavior.…

人工智能 · 计算机科学 2021-09-06 Sage Bergerson

Cross-lingual named entity recognition (CrossNER) faces challenges stemming from uneven performance due to the scarcity of multilingual corpora, especially for non-English data. While prior efforts mainly focus on data-driven transfer…

计算与语言 · 计算机科学 2024-02-22 Ying Mo , Jian Yang , Jiahao Liu , Qifan Wang , Ruoyu Chen , Jingang Wang , Zhoujun Li

Interpretability is crucial for machine learning in many scenarios such as quantitative finance, banking, healthcare, etc. Symbolic regression (SR) is a classic interpretable machine learning method by bridging X and Y using mathematical…

统计方法学 · 统计学 2020-01-17 Ying Jin , Weilin Fu , Jian Kang , Jiadong Guo , Jian Guo

In real-time speech recognition applications, the latency is an important issue. We have developed a character-level incremental speech recognition (ISR) system that responds quickly even during the speech, where the hypotheses are…

计算与语言 · 计算机科学 2016-06-29 Kyuyeon Hwang , Wonyong Sung

Large Language Models (LLMs) have recently shown great promise in planning and reasoning applications. These tasks demand robust systems, which arguably require a causal understanding of the environment. While LLMs can acquire and reflect…

人工智能 · 计算机科学 2024-10-29 John Gkountouras , Matthias Lindemann , Phillip Lippe , Efstratios Gavves , Ivan Titov

This work addresses the fundamental linear inverse problem in compressive sensing (CS) by introducing a new type of regularizing generative prior. Our proposed method utilizes ideas from classical dictionary-based CS and, in particular,…

机器学习 · 统计学 2024-11-15 Benedikt Böck , Sadaf Syed , Wolfgang Utschick

In-Context Learning (ICL) enables Large Language Models (LLMs) to perform new tasks by conditioning on prompts with relevant information. Retrieval-Augmented Generation (RAG) enhances ICL by incorporating retrieved documents into the LLM's…

机器学习 · 计算机科学 2024-12-02 Marie Al Ghossein , Emile Contal , Alexandre Robicquet

State-of-the-art neural network language models (NNLMs) represented by long short term memory recurrent neural networks (LSTM-RNNs) and Transformers are becoming highly complex. They are prone to overfitting and poor generalization when…

计算与语言 · 计算机科学 2022-08-30 Boyang Xue , Shoukang Hu , Junhao Xu , Mengzhe Geng , Xunying Liu , Helen Meng

With approximately 7,000 languages spoken worldwide, current large language models (LLMs) support only a small subset. Prior research indicates LLMs can learn new languages for certain tasks without supervised data. We extend this…

计算与语言 · 计算机科学 2026-01-29 Zhaolin Li , Jan Niehues

Large language models (LLMs) often struggle with context fidelity, producing inconsistent answers when responding to questions based on provided information. Existing approaches either rely on expensive supervised fine-tuning to generate…

计算与语言 · 计算机科学 2025-09-18 Suyuchen Wang , Jinlin Wang , Xinyu Wang , Shiqi Li , Xiangru Tang , Sirui Hong , Xiao-Wen Chang , Chenglin Wu , Bang Liu

Multimodal learning aims to capture both shared and private information from multiple modalities. However, existing methods that project all modalities into a single latent space for fusion often overlook the asynchronous, multi-level…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Chunlei Meng , Guanhong Huang , Rong Fu , Runmin Jian , Zhongxue Gan , Chun Ouyang

Future mobile networks are projected to support integrated sensing and communications in high-speed communication scenarios. Nevertheless, large Doppler shifts induced by time-varying channels may cause severe inter-carrier interference…

信号处理 · 电气工程与系统科学 2025-04-22 Xueyang Wang , Kai Wu , J. Andrew Zhang , Shiqi Gong , Chengwen Xing

Inverse scattering problems have many important applications. In this paper, given limited aperture data, we propose a Bayesian method for the inverse acoustic scattering to reconstruct the shape of an obstacle. The inverse problem is…

偏微分方程分析 · 数学 2019-05-30 Zhaoxiang Li , Zhiliang Deng , Jiguang Sun

Semantic broadcast communications (Semantic BC) for image transmission have achieved significant performance gains for single-task scenarios. Nevertheless, extending these methods to multi-task scenarios remains challenging, as different…

信号处理 · 电气工程与系统科学 2025-04-29 Zhilin Lu , Rongpeng Li , Zhifeng Zhao , Honggang Zhang