Results 31 to 40 of about 1,768 (148)

区块链与数字版权反思:困境与重述 [PDF]

open access: yes, 2019
2018年4月25日,著名音乐填词人方文山通过新浪微博发表声明,澄清其与区块链音乐版权保护项目的合作进度,从而不经意间将区块链在版权保护方面的应用前景推到世人眼前:在工信部工业经济研究所所长于佳宁看来,区块链是版权保护天然需要的技术;IDG技术创业投资基金董事长熊晓鸽同样表示,区块链技术是版权保护最好用的"武器 ...
彭丽霞, 谢欣
core   +1 more source

Blockchain-based service publishing scheme with recommendation for cold start users [PDF]

open access: yes, 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

数据流动与转移的授权许可管理 [PDF]

open access: yes, 2019
数字经济时代,探究数据流动与转移的授权许可管理问题需要从新的视角出发。本文以 DATA的思维模式和框架从简单定义到实际应用对这一问题进行了系统性的阐述,层层深入,进一步厘清了数据流动、数据转移和数据许可等基本概念,分析了各个概念的基本类型。从国家数据战略、企业数据战术和国内经典案例三个角度出发,追踪前沿热点事件,旨在构建起行之有效的解决方案。  
樊舒, 顾立平
core   +1 more source

Distributed anonymous authentication scheme based on the blockchain in VANET [PDF]

open access: yes, 2022
Identity authentication is the first line of defense against malicious vehicles spreading false traffic information.However, due to the limited network bandwidth and computing power in the vehicle ad-hoc network (VANET), the existing schemes cannot meet ...
Kaiping CUI   +3 more
core   +1 more source

基于区块链技术的税收治理框架构建 [PDF]

open access: yes, 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
core   +1 more source

Block-chain abnormal transaction detection method based on adaptive multi-feature fusion [PDF]

open access: yes, 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

Use of stochastic patch occupancy models in the California red‐legged frog for Bayesian inference regarding past events and future persistence

open access: yesConservation Biology, Volume 33, Issue 3, Page 685-696, June 2019., 2019
Abstract Assessing causes of population decline is critically important to management of threatened species. Stochastic patch occupancy models (SPOMs) are popular tools for examining spatial and temporal dynamics of populations when presence–absence data in multiple habitat patches are available. We developed a Bayesian Markov chain method that extends
Nicolas Alcala   +5 more
wiley   +1 more source

去中心化金融的交易机制综述

open access: yes大数据, 2022
去中心化金融(DeFi)是一种基于区块链和智能合约提供金融服务的新范式,现已涉及包括借贷及其衍生品在内的众多领域。因此,作为DeFi基础的交易机制成为重要的关注点,其直接影响着上层应用的稳定性。主要讨论DeFi领域的交易机制,首先介绍与交易机制相关的概念和协议;然后通过实现方式对交易机制进行分类,分别详细讨论了基于交易委托账本、自动做市商和聚合器方法的交易机制实现,并比较归纳实现方案之间的区别与联系;最后分析并总结了去中心化交易面临的公平性、安全性、匿名性问题,提出了相关的未来研究方向。
邓钇敏, 司世景, 王健宗, 李泽远, 肖京
doaj   +1 more source

Efficient routing strategy of blockchain-based payment channel network [PDF]

open access: yes, 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

从信任与效率视角看区块链对会计、审计的影响 [PDF]

open access: yes, 2019
比特币价格的持续升高引起了社会各界对于虚拟货币和区块链技术的关注。本文运用信息不对称和交易成本理论对现有会计与审计业务存在的问题和原因进行分析,指出区块链技术中去中心化、..
陈亚盛, 黄锨
core   +1 more source

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