Results 61 to 70 of about 6,908 (279)

A Privacy-Preserving Efficient Location-Sharing Scheme for Mobile Online Social Network Applications

IEEE Access, 2020
The rapid development of mobile internet technology and the better availability of GPS have made mobile online social networks (mOSNs) more popular than traditional online social networks (OSNs) over the last few years.
Munmun Bhattacharya, Sandip Roy, Kamlesh Mistry, Hubert P. H. Shum, Samiran Chattopadhyay   +4 more
doaj   +1 more source

Quantum copy-protection of compute-and-compare programs in the quantum random oracle model [PDF]

Quantum
Copy-protection allows a software distributor to encode a program in such a way that it can be evaluated on any input, yet it cannot be "pirated" – a notion that is impossible to achieve in a classical setting.
Andrea Coladangelo, Christian Majenz, Alexander Poremba   +2 more
doaj   +1 more source

Revocable Certificateless Public Key Encryption With Outsourced Semi-Trusted Cloud Revocation Agent

IEEE Access, 2020
Certificateless public key cryptography (CL-PKC) not only eliminates the need for certificates in traditional certificate-based PKC but also solves the inherent key escrow problem in identity-based PKC.
Mingxin Ma, Guozhen Shi, Xinyi Shi, Mang Su, Fenghua Li   +4 more
doaj   +1 more source

Robust multitask feature learning with adaptive Huber regressions

Canadian Journal of Statistics, EarlyView.
Abstract When data from multiple tasks have outlier contamination, existing multitask learning methods perform less efficiently. To address this issue, we propose a robust multitask feature learning method by combining the adaptive Huber regression tasks with mixed regularization. The robustification parameters can be chosen to adapt to the sample size,
Yuan Zhong, Xin Gao, Wei Xu
wiley   +1 more source

Machine Learning–Driven Screening of High‐Activity Antitumor Nanozymes Using an Ensemble Enzymatic Oracle System

Cancer Nexus, EarlyView.
ABSTRACT Nanozymes, by mimicking the catalytic sites of natural enzymes, have emerged as effective substitutes for traditional natural enzymes. However, the relationship between the physicochemical properties and activity of nanozymes is complex and nonlinear.
Guanmeng Zhang, Mutian Yang, Jie Zang, Xiaoli Li, Qinqiu Zhong, Yuxiang Hu, Yumeng Xie, Ludan Zhang, Yuping Qian, Jinna Ren, Yang Peng, Haitao Chen, Jiandong Gao, Ji Wu, Yuguang Wang   +14 more
wiley   +1 more source

Environmental and local habitat variables as predictors of trophic interactions in subtidal rocky reefs along the SE Pacific coast

Ecography, EarlyView.
Temperature generally drives latitudinal patterns in the strength of trophic interactions, including consumption rates. However, local community and other environmental conditions might also affect consumption, disrupting latitudinal gradients, which results in complex large‐scale patterns.
Catalina A. Musrri, Alistair G. B. Poore, Oscar Pino, Nicolás Riquelme, Wolfgang B. Stotz, Fadia Tala, Martin Thiel   +6 more
wiley   +1 more source

A Short Linearly Homomorphic Proxy Signature Scheme

IEEE Access, 2018
Linearly homomorphic signature schemes allow the performance of linear computations on authenticated data. They are important primitives for many applications, such as electronic voting, smart grids, electronic health records, and so on.
Qun Lin, Jin Li, Zhengan Huang, Wenbin Chen, Jian Shen   +4 more
doaj   +1 more source

Trends in marine species distribution models: a review of methodological advances and future challenges

Ecography, EarlyView.
Correlative species distribution models (SDMs) are quantitative tools in biogeography and macroecology. Building upon the ecological niche concept, they correlate environmental covariates to species presence to model habitat suitability and predict species distributions.
Moritz Klaassen, Tiago A. Marques, Filipe Alves, Marc Fernandez   +3 more
wiley   +1 more source

Using Transposition Padding to Get CCA2 Security From Any Deterministic Encryption Schemes

IEEE Access, 2019
We study how to make any deterministic encryption scheme probabilistic and secure against adaptively chosen ciphertext attacks. A new transpositional padding encryption scheme is proposed, with which we construct a universal scheme, namely, a ...
Linming Gong, Mingming Wang, Xiangjian Zuo, Shundong Li, Daoshun Wang   +4 more
doaj   +1 more source

Major Conundrums and Possible Solutions in DeFi Insurance

International Journal of Finance &Economics, EarlyView.
ABSTRACT This paper empirically explores the early development of insurance projects in the decentralised finance (DeFi) industry, which is based on disruptive technologies like blockchain and smart contracts. A brief history of DeFi is narrated, stressing four risks of DeFi (volatility risk, cyberattack risk, liquidity risk, and regulation risk) and ...
Peng Zhou, Ying Zhang
wiley   +1 more source