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Privacy-preserving techniques for distributed computation have been proposed recently as a promising framework in collaborative inter-domain network monitoring. Several different approaches exist to solve such class of problems, e.g.,…

Networking and Internet Architecture · Computer Science 2011-01-31 Fabio Ricciato , Martin Burkhart

Data encryption limits the power and efficiency of queries. Direct processing of encrypted data should ideally be possible to avoid the need for data decryption, processing, and re-encryption. It is vital to keep the data searchable and…

Cryptography and Security · Computer Science 2022-10-03 Maryam Almarwani , Boris Konev , Alexei Lisitsa

In online social networks (OSN), users quite usually disclose sensitive information about themselves by publishing messages. At the same time, they are (in many cases) unable to properly manage the access to this sensitive information due…

Social and Information Networks · Computer Science 2016-07-05 Malik Imran-Daud , David Sánchez , Alexandre Viejo

Conventional compressed sensing (CS) algorithms typically apply a uniform sampling rate to different image blocks. A more strategic approach could be to allocate the number of measurements adaptively, based on each image block's complexity.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Yujun Huang , Bin Chen , Naiqi Li , Baoyi An , Shu-Tao Xia , Yaowei Wang

Multicarrier CDMA is a multiple access scheme in which modulated QAM symbols are spread over OFDMA tones by using a generally complex spreading sequence. Effectively, a QAM symbol is repeated over multiple tones. Low density signature (LDS)…

Information Theory · Computer Science 2016-11-18 Mahmoud Taherzadeh , Hosein Nikopour , Alireza Bayesteh , Hadi Baligh

Data spaces represent an emerging paradigm that facilitates secure and trusted data exchange through foundational elements of data interoperability, sovereignty, and trust. Within a data space, data items, potentially owned by different…

Cryptography and Security · Computer Science 2025-04-21 Nikos Fotiou , Vasilios A. Siris , George C. Polyzos

Strong secrecy communication over a discrete memoryless state-dependent multiple access channel (SD-MAC) with an external eavesdropper is investigated. The channel is governed by discrete memoryless and i.i.d. channel states and the channel…

Information Theory · Computer Science 2023-06-27 Yiqi Chen , Tobias Oechtering , Mikael Skoglund , Yuan Luo

Modern computing environments demand robust security measures to protect sensitive data and resources. Ciphertext-Policy Attribute-Based Encryption (CP-ABE) is a well-established encryption technique known for its fine-grained access…

Cryptography and Security · Computer Science 2024-09-12 Vivek Suryawanshi , Shamik Sural

This paper investigates a cell-free massive MIMO (multiple-input multiple-output) system where distributed access points (APs) perform integrated sensing and communications (ISAC) tasks, enabling simultaneous user communication and target…

Information Theory · Computer Science 2025-03-11 Sergi Liesegang , Stefano Buzzi , Carmen D'Andrea

We propose a hierarchical architecture designed for scalable real-time Model Predictive Control (MPC) in complex, multi-modal traffic scenarios. This architecture comprises two key components: 1) RAID-Net, a novel attention-based Recurrent…

Robotics · Computer Science 2025-10-14 Hansung Kim , Siddharth H. Nair , Francesco Borrelli

Attribute-Based Encryption (ABE) has emerged as an information-centric public-key cryptographic system which allows a data owner to share data, according to access policy, with multiple data users based on the attributes they possess,…

Cryptography and Security · Computer Science 2020-02-12 Ehsan Meamari , Hao Guo , Chien-Chung Shen , Rui Zhang

A distributed storage system (DSS) needs to be efficiently accessible and repairable. Recently, considerable effort has been made towards the latter, while the former is usually not considered, since a trivial solution exists in the form of…

Information Theory · Computer Science 2020-01-16 Lukas Holzbaur , Stanislav Kruglik , Alexey Frolov , Antonia Wachter-Zeh

Spatially-coupled (SC) codes are a class of low-density parity-check (LDPC) codes that is gaining increasing attention. Multi-dimensional (MD) SC codes are constructed by connecting copies of an SC code via relocations in order to mitigate…

Information Theory · Computer Science 2026-03-30 Ata Tanrıkulu , Mete Yıldırım , Ahmed Hareedy

The rising need of secret image sharing with high security has led to much advancement in lucrative exchange of important images which contain vital and confidential information. Multi secret image sharing system (MSIS) is an efficient and…

Cryptography and Security · Computer Science 2017-10-27 Karthik Reddy , Tejas K , Swathi C , Ashok K , Rajesh Kumar M

As more sensitive data is shared and stored by third-party sites on the internet, there will be a need to encrypt data stored at these sites. One drawback of encrypting data is that it can be selectively shared only at a coarse-grained…

Cryptography and Security · Computer Science 2014-07-15 Charan Kumar , Dinesh Kumar , Arun Kumar Reddy

Role-based access control (RBAC) policies represent the rights of subjects in terms of roles to access resources. This research proposes a scalable, flexible and auditable RBAC system using the EOS blockchain platform to meet the security…

Cryptography and Security · Computer Science 2020-07-07 Mohsin Ur Rahman

Cloud radio access networks (C-RAN) enable a network platform for beyond the fifth generation of communication networks (B5G), which incorporates the advances in cloud computing technologies to modern radio access networks. Recently, rate…

Information Theory · Computer Science 2020-11-03 Alaa Alameer Ahmad , Yijie Mao , Aydin Sezgin , Bruno Clerckx

In this short paper, we propose the split-diffuse (SD) algorithm that takes the output of an existing word embedding algorithm, and distributes the data points uniformly across the visualization space. The result improves the perceivability…

Machine Learning · Computer Science 2016-08-30 Shih-Chieh Su

Semantic communication is a new paradigm that exploits deep learning models to enable end-to-end communications processes, and recent studies have shown that it can achieve better noise resiliency compared with traditional communication…

Signal Processing · Electrical Eng. & Systems 2023-06-28 Wenyu Zhang , Kaiyuan Bai , Sherali Zeadally , Haijun Zhang , Hua Shao , Hui Ma , Victor C. M. Leung

Strong secrecy communication over a discrete memoryless state-dependent multiple access channel (SD-MAC) with an external eavesdropper is investigated. The channel is governed by discrete memoryless and i.i.d. channel states and the channel…

Information Theory · Computer Science 2023-05-03 Yiqi Chen , Tobias Oechtering , Mikael Skoglund , Yuan Luo
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