Results 21 to 30 of about 1,957 (147)
Research progress of blockchain network covert channel [PDF]
, 2022 Characterized by decentration, anonymity, strong robustness and tamper resistance, blockchain accompanied by digital currency is a natural carrier for building the covert communication channel.First, the definition and development history of the network ...
Hao LIN +5 more
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Design for database access control mechanism based on blockchain [PDF]
, 2020 Aiming at the current problems of database access control,the thought of blockchain technology applied to database access control was proposed.The implementation mechanism of database access control based on blockchain was designed from several aspects ...
Jianming ZHU, Yonggui FU
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6G oriented blockchain based Internet of things data sharing and storage mechanism [PDF]
, 2020 Considering the heterogeneity of various IoT system and the single point failure of centralized data-processing platform,a decentralized IoT data sharing and storage method based on blockchain technology was proposed.The block consensus and decentralized
Chengxiang WANG +4 more
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SMART CONTRACTS UNDER THE EGYPTIAN CIVIL LAW
International Journal of Law in Changing WorldThe prevalence of digital technologies in contemporary human interactions has elevated the role of digital means in contractual relations among society members, prompting renewed attention to smart contracts as automated, code-based legal instruments ...
Mohammed Ibrahim Abdel Nabi +1 more
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Zhejiang Daxue xuebao. Lixue ban, 2018 根据约束优化问题的全局收敛性要求，基于传统优化与智能优化，设计了一种基于Zoutendijk可行方向法的新型变异算子，并将其应用于生物地理学优化算法，构建了一种用混合优化算法求解优化问题的方法.通过算子设计策略的理论验证、智能算法的收敛性分析及6个不同类型算例的仿真试验，证明此自适应求解优化问题机制具有实效性.
WANGYuejiao(王月娇) +1 more
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智能科学与技术学报, 2020 利用传染病预警技术和系统来监测传染病异常暴发趋势并及时准确预警，是传染病早期防控的关键。现行传染病预警系统尚存在智能化程度不足、关键信息流通不畅和分布式协同决策困难等问题。基于区块链分布式计算架构，结合人工智能、大数据和智能合约等新兴信息技术，提出了一种传染病监测与预警技术及其实现框架。该技术可高效集中多方监测力量，灵活集成多种预警手段，在安全和保护隐私的前提下构建知识集成和智慧互联的分布式协同监测环境，并以智能合约作为公开公正的、软件定义的监测代理来实时融合决策、监测疫情和自动预警 ...
欧阳丽炜 +4 more
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Smart Contract Defect Detection Method Based on Multi-Feature Fusion [PDF]
Smart contracts are one of the most successful applications of the blockchain technology. Owing to their widespread application, the security issues of smart contracts have attracted widespread attention from researchers.
Yifeng WANG, Cheng ZENG, Qingyu QUAN, Jiaoran WANG, Peng HE
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, 2018 区块链技术对社会的发展和运作带来了重大影响,对税务监管工作既是挑战也是机遇。对此,本文从基于信息生态链的\"企业—利益相关者—制度\"三因素机理分析入手,探讨了区块链技术解决涉税信息的信息不对称的可行性,对涉税信息流转进行了重新的梳理,提出了\"区块层—合约层—数据层—报告层\"的涉税信息平台构建逻辑。最后,以区块链、大数据等为技术支撑 ...
周河山, 汤晓冬
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Semantic representation and interval roughness analysis of IoT CapBAC rules [PDF]
, 2021 To break the bottleneck of interval roughness analysis, a rule semantic model IoTACS was proposed, and IoTRA algorithm was given.In IoTACS, a conceptual structure of the IoT CapBAC rule domain was proposed, the quantitative data properties of the basic ...
Ruizhong DU, Xiaoyan LIANG
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智能科学与技术学报去中心化物理基础设施网络是未来数字社会不可或缺的基石，它将传统依赖于集中式控制和管理的物理设施转变为由社区驱动且自主治理的新型基础设施网络，而区块链与人工智能（artificial intelligence，AI）技术的深度融合在其中起到了关键的赋能作用。为此，首先强调有机结合“AI赋能区块链”与“区块链赋能AI”，形成协同增效的双向闭环回路，以构建真正意义上的智能区块链，从而实现区块链智能新范式。其次，提出智能区块链的新型技术架构：一方面，将智能性内嵌至传统区块链架构的每一层 ...
李娟娟, 管桑田, 秦蕊, 侯家琛, 王飞跃
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