Results 41 to 50 of about 1,750 (147)
, 2020 致谢单位 本报告由国家自然科学基金重点国际（地区）合作研究项目：中国企业供应链合作创新行为研究（71420107024）提供支持。 同时感谢以下合作企业对案例素材提供的大力支持： 惠氏营养品（中国）有限公司 大连鑫玉龙海洋生物种业科技股份有限公司 人头马君度集团 中粮福临门食品营销有限公司 ...
应豪 +4 more
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Efficient routing strategy of blockchain-based payment channel network [PDF]
, 2021 In order to solve the problems of the low transaction success rate and network imbalance of the payment channel network, an efficient routing strategy of blockchain-based payment channel network was proposed.This strategy established a dedicated payment ...
Dong NI +6 more
core +1 more source
Journal of Critical Infrastructure Policy, Volume 7, Issue 1, Spring/Summer 2026.ABSTRACT The infiltration of counterfeit, fraudulent, and suspect items into civil nuclear supply chains, notably within power generation and medical isotope production, poses severe safety and security threats. The ever‐increasing growth in nuclear installations (70 power plants are under construction and another 100 are in the planning stage) and the
Hafiz Ahmed
wiley +1 more source
智能科学与技术学报, 2023 为应对当前科研院所在管理工作与科研业务方面面临的双重复杂性挑战，平行科研院所的概念被提出。平行科研院所以虚实互动的平行智能理论为基础，利用基于数字孪生与元宇宙的数字化建设技术、基于区块链与去中心化自治组织与运营（DAO）的分布式治理技术、基于多模态大数据与大模型的智能化决策技术以及基于分布式自主科学（DeSci）与人工智能驱动的科学（AI4S）的科学创新范式，形成基于复杂科学的科研院所变革引导方案，构建可信、可靠、可用和高效益的智慧科研组织与运营生态。介绍了平行科研院所的体系设计与关键技术 ...
秦蕊, 梁小龙, 李娟娟, 丁文文, 侯家琛, 王雨桐, 田永林, 文丁
doaj +1 more source
, 2018 随着移动互联网与物联网技术的发展,网络空间承载了海量数据,必须保证其安全性和隐私性。基于区块链的网络安全机制具有去中心化、不可篡改、可追溯、高可信和高可用的特性,有利于提升网络安全性。探讨了区块链在网络安全方面的应用方案,分析了基于区块链的网络安全机制的主要技术特点和方法以及未来研究方向。首先探讨了数据管理体系应用区块链进行数据管理的方法,利用区块链不可篡改的特性提高数据的真实性和可靠性。其次分析了物联网应用区块链进行设备管理的方案,通过区块链记录和执行设备控制指令,强化物联网设备权限和通信管理 ...
肖亮, 许冬瑾, 陈烨
core
Blockchain-based service publishing scheme with recommendation for cold start users [PDF]
, 2021 In order to solve the problem that the existing publishing systems were vulnerable to tampering, and it was difficult to recommend service information to “cold start” users, a blockchain-based service publishing scheme that supported cold-start user ...
Haozhe LIU +3 more
core +1 more source
Trade credit and corporate digital transformation: The role of managerial ability
Financial Review, Volume 59, Issue 3, Page 779-806, August 2024.Abstract We examine whether managerial ability affects the relationship between corporate digital transformation and trade credit. To measure digital transformation, we perform a textual analysis of companies’ annual reports using a customized Chinese dictionary containing digital transformation keywords based on national policy documents and academic ...
Liukai Wang +3 more
wiley +1 more source
大数据, 2023 情报数据作为一种高价值的数据资产，被存储在不同平台，被不同主体所持有，具有高分散性和低可用性特点。由于结构形态与存储方式不同，多源异构情报数据难以实现高效汇聚共享，多主体间情报信息融合和综合分析利用存在较大困难。因此亟须在跨域情报主体间建立安全可信的共享互操作机制，在满足数据确权、安全审计等管理要求的同时，实现情报信息的深度挖掘。针对跨域情报数据可信共享需求与应用特点，提出基于数据对象的情报管理方法，并采用数字对象体系架构及区块链可信访问控制技术构建跨域情报数据可信共享系统 ...
彭泰, 孙晶, 陈旭涧, 周纤, 叶宇铭, 白晓颖
doaj +1 more source
Block-chain abnormal transaction detection method based on adaptive multi-feature fusion [PDF]
, 2021 Aiming at the problem that the performance of intelligent detection models was limited by the representation ability of original data (features), a residual network structure ResNet-32 was designed to automatically mine the intricate association ...
Huijuan ZHU +3 more
core +1 more source
, 2018 随着经济与科技的不断发展,区块链技术以及金融业务成为了我们国家目前非常重视的问题之一。现阶段国外的区块链技术已经有了长足的发展,对于市场金融的业务方面带来了一定的影响,从而为后期的创新工作带来了巨大的挑战。本篇文章将阐述区块链技术对金融业务带来的影响,分析其在应用方面存在的不足 ...
鄢宇
core