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Semantic communication aims to transmit information most relevant to a task rather than raw data, offering significant gains in communication efficiency for applications such as telepresence, augmented reality, and remote sensing. Recent…

Machine Learning · Computer Science 2025-12-18 Matin Mortaheb , Erciyes Karakaya , Sennur Ulukus

Knowledge transfer among multiple networks using their outputs or intermediate activations have evolved through extensive manual design from a simple teacher-student approach (knowledge distillation) to a bidirectional cohort one (deep…

Computer Vision and Pattern Recognition · Computer Science 2019-12-18 Soma Minami , Tsubasa Hirakawa , Takayoshi Yamashita , Hironobu Fujiyoshi

Despite progress in semantic communication (SemCom), research on SemCom security is still in its infancy. To bridge this gap, we propose a general covert SemCom framework for wireless networks, reducing eavesdropping risk. Our approach…

Networking and Internet Architecture · Computer Science 2025-07-08 Yansheng Liu , Jinbo Wen , Zongyao Zhang , Kun Zhu , Yang Zhang , Jiangtian Nie , Jiawen Kang

As communication systems transition from symbol transmission to conveying meaningful information, sixth-generation (6G) networks emphasize semantic communication. This approach prioritizes high-level semantic information, improving…

Signal Processing · Electrical Eng. & Systems 2025-01-27 Zhe Xiang , Fei Yu , Quan Deng , Yuandi Li , Zhiguo Wan

The trust in the predictions of Graph Neural Networks is limited by their opaque reasoning process. Prior methods have tried to explain graph networks via concept-based explanations extracted from the latent representations obtained after…

Machine Learning · Computer Science 2026-04-23 Lucie Charlotte Magister , Pietro Lio

The recent emergence of 6G raises the challenge of increasing the transmission data rate even further in order to break the barrier set by the Shannon limit. Traditional communication methods fall short of the 6G goals, paving the way for…

Networking and Internet Architecture · Computer Science 2024-01-02 Sachin Kadam , Dong In Kim

This paper describes a new kind of knowledge representation and mining system which we are calling the Semantic Knowledge Graph. At its heart, the Semantic Knowledge Graph leverages an inverted index, along with a complementary uninverted…

Information Retrieval · Computer Science 2016-09-06 Trey Grainger , Khalifeh AlJadda , Mohammed Korayem , Andries Smith

Existing deep learning-enabled semantic communication systems often rely on shared background knowledge between the transmitter and receiver that includes empirical data and their associated semantic information. In practice, the semantic…

Information Theory · Computer Science 2022-10-19 Hongwei Zhang , Shuo Shao , Meixia Tao , Xiaoyan Bi , Khaled B. Letaief

The ability to exchange secret information is critical to many commercial, governmental, and military networks. The intrinsically secure communications graph (iS-graph) is a random graph which describes the connections that can be securely…

Information Theory · Computer Science 2016-11-17 Pedro C. Pinto , Joao Barros , Moe Z. Win

Graph Neural Networks (GNNs) have become essential in high-stakes domains such as drug discovery, yet their black-box nature remains a significant barrier to trustworthiness. While self-explainable GNNs attempt to bridge this gap, they…

Machine Learning · Computer Science 2026-02-25 Chuqin Geng , Li Zhang , Haolin Ye , Ziyu Zhao , Yuhe Jiang , Tara Saba , Xinyu Wang , Xujie Si

This letter considers a network comprising a transmitter, which employs random linear network coding to encode a message, a legitimate receiver, which can recover the message if it gathers a sufficient number of linearly independent coded…

Cryptography and Security · Computer Science 2022-03-08 Amjad Saeed Khan , Andrea Tassi , Ioannis Chatzigeorgiou

This work considers the problem of mitigating information leakage between communication and sensing in systems jointly performing both operations. Specifically, a discrete memoryless state-dependent broadcast channel model is studied in…

Information Theory · Computer Science 2023-03-22 Onur Günlü , Matthieu R. Bloch , Rafael F. Schaefer , Aylin Yener

Semantic communication focuses on conveying the task-relevant meaning rather than exact bitwise recovery. For image transmission with a generative receiver, relying only on text descriptions can be insufficient to preserve instance-specific…

Information Theory · Computer Science 2026-01-27 Xuesong Wang , Xinyan Xie , Mo Li , Zhaoqian Liu

In this two-part paper, we consider the transmission of confidential data over wireless wiretap channels. The first part presents an information-theoretic problem formulation in which two legitimate partners communicate over a quasi-static…

Information Theory · Computer Science 2007-07-13 Matthieu Bloch , Joao Barros , Miguel R. D. Rodrigues , Steven W. McLaughlin

The knowledge-grounded dialogue task aims to generate responses that convey information from given knowledge documents. However, it is a challenge for the current sequence-based model to acquire knowledge from complex documents and…

Computation and Language · Computer Science 2024-05-17 Yizhe Yang , Heyan Huang , Yang Gao , Jiawei Li and

This paper proposes new framework of communication system leveraging promising generation capabilities of multi-modal generative models. Regarding nowadays smart applications, successful communication can be made by conveying the perceptual…

Signal Processing · Electrical Eng. & Systems 2023-09-11 Hyelin Nam , Jihong Park , Jinho Choi , Seong-Lyun Kim

This paper considers a multiuser multiple-input single-output (MISO) downlink system with simultaneous wireless information and power transfer. In particular, we focus on secure communication in the presence of passive eavesdroppers and…

Information Theory · Computer Science 2016-11-15 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

Data-driven semantic communication is based on superficial statistical patterns, thereby lacking interpretability and generalization, especially for applications with the presence of unseen data. To address these challenges, we propose a…

Machine Learning · Computer Science 2025-07-04 Zhaoyu Zhang , Lingyi Wang , Wei Wu , Fuhui Zhou , Qihui Wu

Semantic signal processing and communications are poised to play a central part in developing the next generation of sensor devices and networks. A crucial component of a semantic system is the extraction of semantic signals from the raw…

Signal Processing · Electrical Eng. & Systems 2022-11-11 Mert Kalfa , Sadik Yagiz Yetim , Arda Atalik , Mehmetcan Gok , Yiqun Ge , Rong Li , Wen Tong , Tolga Mete Duman , Orhan Arikan

We demonstrate theoretically and experimentally that secure communication using intermediate-energy (mesoscopic) coherent states is possible. Our scheme is different from previous quantum cryptographic schemes in that a short secret key is…

Quantum Physics · Physics 2009-11-07 Geraldo A. Barbosa , Eric Corndorf , Prem Kumar , Horace P. Yuen