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玩《大话西游Online》的十个精彩理由
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《电脑采购》 2002年第3期29-29,共1页
2001年12月28日,网易公司正式推出其自主开发的大型网络角色扮演游戏——《大话西游Online》。《大话西游Online》以传统神怪小说《西游记》和90年代经典电影《大话西游》为背景,将传统单人角色扮演游戏(RPG)的角色性,故事性,冒险性和图... 2001年12月28日,网易公司正式推出其自主开发的大型网络角色扮演游戏——《大话西游Online》。《大话西游Online》以传统神怪小说《西游记》和90年代经典电影《大话西游》为背景,将传统单人角色扮演游戏(RPG)的角色性,故事性,冒险性和图形MUD的多人互动特色完美结合起来,是一款拥有浓厚中国文化特色的超大型网络角色扮演游戏。所以,我们有了—— 展开更多
关键词 角色扮演游戏 大话西游 online 网易公司 经典电影 大型网络 神怪小说 色性 中国文化特色
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形象重塑、身体展现与性别操演——《大话西游》系列的文化属性研究
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作者 彭淑昀 《今古文创》 2024年第10期90-93,共4页
《西游记》是民间最受欢迎的长篇神魔小说,自明代诞生以来已经有过无数次的改编和重构,如今更是在后现代文化视阈中成了炙手可热的大IP。而《大话西游》系列作为其中的经典和奇葩,不仅成了周星驰的名片,更是他职业生涯的转折点,《大话... 《西游记》是民间最受欢迎的长篇神魔小说,自明代诞生以来已经有过无数次的改编和重构,如今更是在后现代文化视阈中成了炙手可热的大IP。而《大话西游》系列作为其中的经典和奇葩,不仅成了周星驰的名片,更是他职业生涯的转折点,《大话西游》通过对民间传奇的现代化改写,为周星驰之后的北上创作奠定了基础。本文立足于文化研究,从身体和性别的角度出发,对影片中的现代性特征进行一定的解读和思考。 展开更多
关键词 《大话西游 后现代 大众文化 性别
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大话西游Online
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作者 lackey 《软件》 2004年第12期59-59,共1页
日前,游戏更新后,对60-200环任务的有了体力限制,怎样赚钱又成为一个热门话题,下面,笔者就来谈谈赚钱心得。
关键词 《大话西游online》 网络游戏 游戏技巧 赚钱方法
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TPACK框架下GeoScene Online与地理教学融合的实践 被引量:2
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作者 杨可辛 董雯 《地理教育》 2024年第3期10-14,共5页
技术革新影响学科教学方式选择,TPACK模式为解决当下学科教学应用新技术“两张皮”问题提供了新思路。本文从科勒和米什拉的理论出发,尝试将GeoScene Online平台与地理课堂教学融合,提出循序渐进、跨学科、基于真实情境和交互式的融合原... 技术革新影响学科教学方式选择,TPACK模式为解决当下学科教学应用新技术“两张皮”问题提供了新思路。本文从科勒和米什拉的理论出发,尝试将GeoScene Online平台与地理课堂教学融合,提出循序渐进、跨学科、基于真实情境和交互式的融合原则,进而在TPACK模式下将GeoScene Online功能特点与高中地理必修内容进行融合分析,构建以PCK、TCK、TPK三条子路径为导向的GeoScene Online与地理教学融合模式,并以“耕地”为主题进行案例实践探索。 展开更多
关键词 TPACK理论 融合教学 WEBGIS GeoScene online
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大话西游ONLINE Ⅱ
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《大众科学》 2003年第8期36-37,共2页
《大话西游ONLINE Ⅱ》是网易公司推出的国人自主开发的大型精品RPG网络游戏,自从去年6月推出以来,以其精致而古色古香的中国画风、感人至深的剧情任务、丰富的游戏内涵,和良好的游戏性受到了越来越多的玩家喜爱,运行至今已有800万... 《大话西游ONLINE Ⅱ》是网易公司推出的国人自主开发的大型精品RPG网络游戏,自从去年6月推出以来,以其精致而古色古香的中国画风、感人至深的剧情任务、丰富的游戏内涵,和良好的游戏性受到了越来越多的玩家喜爱,运行至今已有800万注册用户,稳居游戏排名三甲,成为国产游戏的典范和领头羊。 展开更多
关键词 网易公司 RPG网络游戏 《大话西游onlineⅡ》 游戏内涵 剧情任务
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Early warning method for thermal runaway of lithium-ion batteries under thermal abuse condition based on online electrochemical impedance monitoring 被引量:1
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作者 Yuxuan Li Lihua Jiang +5 位作者 Ningjie Zhang Zesen Wei Wenxin Mei Qiangling Duan Jinhua Sun Qingsong Wang 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2024年第5期74-86,共13页
Early warning of thermal runaway(TR)of lithium-ion batteries(LIBs)is a significant challenge in current application scenarios.Timely and effective TR early warning technology is urgently required considering the curre... Early warning of thermal runaway(TR)of lithium-ion batteries(LIBs)is a significant challenge in current application scenarios.Timely and effective TR early warning technology is urgently required considering the current fire safety situation of LIBs.In this work,we report an early warning method of TR with online electrochemical impedance spectroscopy(EIS)monitoring,which overcomes the shortcomings of warning methods based on traditional signals such as temperature,gas,and pressure with obvious delay and high cost.With in-situ data acquisition through accelerating rate calorimeter(ARC)-EIS test,the crucial features of TR were extracted using the RReliefF algorithm.TR mechanisms corresponding to the features at specific frequencies were analyzed.Finally,a three-level warning strategy for single battery,series module,and parallel module was formulated,which can successfully send out an early warning signal ahead of the self-heating temperature of battery under thermal abuse condition.The technology can provide a reliable basis for the timely intervention of battery thermal management and fire protection systems and is expected to be applied to electric vehicles and energy storage devices to realize early warning and improve battery safety. 展开更多
关键词 online EIS measurement Lithium-ion batterysafety Multistage thermal runaway early warning SENSITIVITYANALYSIS
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《大话西游Online Ⅱ》之终极宠
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作者 桎梏De灵魂 《少年电世界》 2003年第12期107-108,共2页
60级时,玩家可以完成9称任务,这是极其关键的.因为意味着马上就可以带上9称宠了。9称宠很重要.在后期的跑环、做天、练级、PK中都发挥着不可忽视的作用。虽然说9称宠并非严格意义上的终极宠.因为后面还有泥石怪之类的梦幻宠,但对... 60级时,玩家可以完成9称任务,这是极其关键的.因为意味着马上就可以带上9称宠了。9称宠很重要.在后期的跑环、做天、练级、PK中都发挥着不可忽视的作用。虽然说9称宠并非严格意义上的终极宠.因为后面还有泥石怪之类的梦幻宠,但对大多数玩家而言. 展开更多
关键词 大话西游 online
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Efficient unequal error protection for online fountain codes 被引量:1
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作者 SHI Pengcheng WANG Zhenyong +1 位作者 LI Dezhi LYU Haibo 《Journal of Systems Engineering and Electronics》 SCIE CSCD 2024年第2期286-293,共8页
In this paper,an efficient unequal error protection(UEP)scheme for online fountain codes is proposed.In the buildup phase,the traversing-selection strategy is proposed to select the most important symbols(MIS).Then,in... In this paper,an efficient unequal error protection(UEP)scheme for online fountain codes is proposed.In the buildup phase,the traversing-selection strategy is proposed to select the most important symbols(MIS).Then,in the completion phase,the weighted-selection strategy is applied to provide low overhead.The performance of the proposed scheme is analyzed and compared with the existing UEP online fountain scheme.Simulation results show that in terms of MIS and the least important symbols(LIS),when the bit error ratio is 10-4,the proposed scheme can achieve 85%and 31.58%overhead reduction,respectively. 展开更多
关键词 online fountain code random graph unequal error protection(UEP) rateless code
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《大话西游 OnlineⅡ》与玩家共庆生日——搞笑专家星爷临场助阵,继续发挥周式幽默
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《电脑采购》 2003年第33期32-32,共1页
网易公司自主开发的网络游戏——《大话西游OnlineⅡ》一岁了!为了回馈广大玩家一直以来的支持和参与,也为了让大众更多了解游戏,我们特别邀请到了游戏代言人—周星驰先生参与这次盛大庆祝活动。庆典现场既有生动有趣的互动游戏送出精... 网易公司自主开发的网络游戏——《大话西游OnlineⅡ》一岁了!为了回馈广大玩家一直以来的支持和参与,也为了让大众更多了解游戏,我们特别邀请到了游戏代言人—周星驰先生参与这次盛大庆祝活动。庆典现场既有生动有趣的互动游戏送出精美纪念品,也有动感热舞令所有在场玩家热血沸腾。热闹的庆典活动从上午十一点一直持续到下午六点,玩家和网友都玩了个痛快。在主持人的活动介绍后,庆典活动正式开始,六位身怀绝技的男女演员化身为大话主角转生人表演真人秀,他们的出现让所有观众眼前一亮,每个演员把游戏中人物的特点表现的淋漓尽致,人物造型恰到好处。飞剑侠手舞长剑,英姿飒爽,媚灵狐魅力十足,引得台下众男生目光神往……据了解演员们都曾参与电影演出。 展开更多
关键词 大话西游 online 周星驰 互动游戏 人物造型 网易公司 庆祝活动 狐魅 周式 手舞
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Modulated-ISRJ rejection using online dictionary learning for synthetic aperture radar imagery 被引量:1
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作者 WEI Shaopeng ZHANG Lei +1 位作者 LU Jingyue LIU Hongwei 《Journal of Systems Engineering and Electronics》 SCIE CSCD 2024年第2期316-329,共14页
In electromagnetic countermeasures circumstances,synthetic aperture radar(SAR)imagery usually suffers from severe quality degradation from modulated interrupt sampling repeater jamming(MISRJ),which usually owes consid... In electromagnetic countermeasures circumstances,synthetic aperture radar(SAR)imagery usually suffers from severe quality degradation from modulated interrupt sampling repeater jamming(MISRJ),which usually owes considerable coherence with the SAR transmission waveform together with periodical modulation patterns.This paper develops an MISRJ suppression algorithm for SAR imagery with online dictionary learning.In the algorithm,the jamming modulation temporal properties are exploited with extracting and sorting MISRJ slices using fast-time autocorrelation.Online dictionary learning is followed to separate real signals from jamming slices.Under the learned representation,time-varying MISRJs are suppressed effectively.Both simulated and real-measured SAR data are also used to confirm advantages in suppressing time-varying MISRJs over traditional methods. 展开更多
关键词 synthetic aperture radar(SAR) modulated interrupt sampling jamming(MISRJ) online dictionary learning
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Online Consensus Control of Nonlinear Affine Systems From Disturbed Data
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作者 Yifei Li Wenjie Liu +3 位作者 Jian Sun Chen Chen Jia Zhang Gang Wang 《IEEE/CAA Journal of Automatica Sinica》 SCIE EI CSCD 2024年第2期551-553,共3页
Dear Editor,In this letter, we introduce a novel online distributed data-driven robust control approach for learning controllers of unknown nonlinear multi-agent systems(MASs) using state-dependent representations.
关键词 AGENT online online
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基于Online-GRU信道预测的星上自适应功率控制方法
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作者 施文军 朱立东 《太赫兹科学与电子信息学报》 2024年第3期261-268,共8页
针对传统卫星功率控制方法存在资源浪费、时延长的问题,提出一种基于在线-门控循环单元(Online-GRU)信道预测的星上自适应功率控制方法,通过在线训练更新网络参数来解决离线预测算法存在的累积误差的问题。仿真结果表明,提出的在线训练... 针对传统卫星功率控制方法存在资源浪费、时延长的问题,提出一种基于在线-门控循环单元(Online-GRU)信道预测的星上自适应功率控制方法,通过在线训练更新网络参数来解决离线预测算法存在的累积误差的问题。仿真结果表明,提出的在线训练算法比离线算法预测精确度提升了38.30%,相比在线-长短期记忆网络(Online-LSTM)节约了63.21%的训练时间;提出的自适应功率控制方法比固定发射功率的方法节约了55.74%的发射功率;同时,相比基于地面定时反馈信道状态的自适应功率控制方法具备更好的鲁棒性。 展开更多
关键词 星上自适应功率控制 在线训练 在线-门控循环单元 信道预测
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Optimized operation scheme of flash-memory-based neural network online training with ultra-high endurance
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作者 Yang Feng Zhaohui Sun +6 位作者 Yueran Qi Xuepeng Zhan Junyu Zhang Jing Liu Masaharu Kobayashi Jixuan Wu Jiezhi Chen 《Journal of Semiconductors》 EI CAS CSCD 2024年第1期33-37,共5页
With the rapid development of machine learning,the demand for high-efficient computing becomes more and more urgent.To break the bottleneck of the traditional Von Neumann architecture,computing-in-memory(CIM)has attra... With the rapid development of machine learning,the demand for high-efficient computing becomes more and more urgent.To break the bottleneck of the traditional Von Neumann architecture,computing-in-memory(CIM)has attracted increasing attention in recent years.In this work,to provide a feasible CIM solution for the large-scale neural networks(NN)requiring continuous weight updating in online training,a flash-based computing-in-memory with high endurance(10^(9) cycles)and ultrafast programming speed is investigated.On the one hand,the proposed programming scheme of channel hot electron injection(CHEI)and hot hole injection(HHI)demonstrate high linearity,symmetric potentiation,and a depression process,which help to improve the training speed and accuracy.On the other hand,the low-damage programming scheme and memory window(MW)optimizations can suppress cell degradation effectively with improved computing accuracy.Even after 109 cycles,the leakage current(I_(off))of cells remains sub-10pA,ensuring the large-scale computing ability of memory.Further characterizations are done on read disturb to demonstrate its robust reliabilities.By processing CIFAR-10 tasks,it is evident that~90%accuracy can be achieved after 109 cycles in both ResNet50 and VGG16 NN.Our results suggest that flash-based CIM has great potential to overcome the limitations of traditional Von Neumann architectures and enable high-performance NN online training,which pave the way for further development of artificial intelligence(AI)accelerators. 展开更多
关键词 NOR flash memory computing-in-memory ENDURANCE neural network online training
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QoE oriented intelligent online learning evaluation technology in B5G scenario
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作者 Mingzi Chen Xin Wei +1 位作者 Peizhong Xie Zhe Zhang 《Digital Communications and Networks》 SCIE CSCD 2024年第1期7-15,共9页
Students'demand for online learning has exploded during the post-COvID-19 pandemic era.However,due to their poor learning experience,students'dropout rate and learning performance of online learning are not al... Students'demand for online learning has exploded during the post-COvID-19 pandemic era.However,due to their poor learning experience,students'dropout rate and learning performance of online learning are not always satisfactory.The technical advantages of Beyond Fifth Generation(B5G)can guarantee a good multimedia Quality of Experience(QoE).As a special case of multimedia services,online learning takes into account both the usability of the service and the cognitive development of the users.Factors that affect the Quality of Online Learning Experience(OL-QoE)become more complicated.To get over this dilemma,we propose a systematic scheme by integrating big data,Machine Learning(ML)technologies,and educational psychology theory.Specifically,we first formulate a general definition of OL-QoE by data analysis and experimental verification.This formula considers both the subjective and objective factors(i.e.,video watching ratio and test scores)that most affect OLQoE.Then,we induce an extended layer to the classic Broad Learning System(BLS)to construct an Extended Broad Learning System(EBLS)for the students'OL-QoE prediction.Since the extended layer can increase the width of the BLS model and reduce the redundant nodes of BLS,the proposed EBLS can achieve a trade-off between the prediction accuracy and computation complexity.Finally,we provide a series of early intervention suggestions for different types of students according to their predicted OL-QoE values.Through timely interventions,their OL-QoE and learning performance can be improved.Experimental results verify the effectiveness oftheproposed scheme. 展开更多
关键词 B5G online learning Quality of experience
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Online identification and extraction method of regional large-scale adjustable load-aggregation characteristics
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作者 Siwei Li Liang Yue +1 位作者 Xiangyu Kong Chengshan Wang 《Global Energy Interconnection》 EI CSCD 2024年第3期313-323,共11页
This article introduces the concept of load aggregation,which involves a comprehensive analysis of loads to acquire their external characteristics for the purpose of modeling and analyzing power systems.The online ide... This article introduces the concept of load aggregation,which involves a comprehensive analysis of loads to acquire their external characteristics for the purpose of modeling and analyzing power systems.The online identification method is a computer-involved approach for data collection,processing,and system identification,commonly used for adaptive control and prediction.This paper proposes a method for dynamically aggregating large-scale adjustable loads to support high proportions of new energy integration,aiming to study the aggregation characteristics of regional large-scale adjustable loads using online identification techniques and feature extraction methods.The experiment selected 300 central air conditioners as the research subject and analyzed their regulation characteristics,economic efficiency,and comfort.The experimental results show that as the adjustment time of the air conditioner increases from 5 minutes to 35 minutes,the stable adjustment quantity during the adjustment period decreases from 28.46 to 3.57,indicating that air conditioning loads can be controlled over a long period and have better adjustment effects in the short term.Overall,the experimental results of this paper demonstrate that analyzing the aggregation characteristics of regional large-scale adjustable loads using online identification techniques and feature extraction algorithms is effective. 展开更多
关键词 Load aggregation Regional large-scale online recognition Feature extraction method
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Will Online Car-Hailing Affect Consumers’ Decisions about Automobile Purchase?—An Empirical Study Based on Questionnaire Investigation
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作者 Xuehong Ji Sisi Chen +1 位作者 Xuecheng Wang Jing Wang 《Journal of Transportation Technologies》 2024年第1期1-15,共15页
The online car-hailing industry, which provides the right of use, has a certain impact on the traditional automobile market, but there is no unified theory on whether it has a positive impact or a negative impact. Bas... The online car-hailing industry, which provides the right of use, has a certain impact on the traditional automobile market, but there is no unified theory on whether it has a positive impact or a negative impact. Based on 362 consumer questionnaire data, this study builds a structural equation model to discuss the driving factors of residents’ choice of online car-hailing and whether the development of online car-hailing will have a certain substitution impact on the sales of private cars. From the perspective of consumers’ purchase intention, the research results show that consumers’ price consciousness, convenience consciousness, environmental protection consciousness and possession tendency will affect their choice of travel mode, and the use of online car-hailing is positively correlated with consumers’ willingness to replace private car ownership with online car-hailing. 展开更多
关键词 online Car-Hailing Willingness to Use Ownership Substitution Carpooling
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Research on the Collaborative Governance of Social Responsibility in Online Audiovisual Enterprises
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作者 Chuying Kang Muhammad Zaffwan Idris Juan Liu 《Social Networking》 2024年第1期1-13,共13页
This paper aims to analyze the present conditions of the social responsibility ecosystem in online audiovisual enterprises in the digital age. It focuses on the governance of social responsibility in these enterprises... This paper aims to analyze the present conditions of the social responsibility ecosystem in online audiovisual enterprises in the digital age. It focuses on the governance of social responsibility in these enterprises and conducts an in-depth analysis of the problems and influencing factors related to the social responsibility aberrations of online audiovisual enterprises. Drawing upon social responsibility theory and collaborative governance theory, this research constructs a social responsibility guidance and governance system guided by the public, supported by the voluntary fulfillment of responsibilities by online audiovisual enterprises, and based on the collaborative participation of diverse stakeholders. It explores and optimizes the implementation pathways of this system, providing theoretical support and practical guidance for promoting the sustainable development of online audiovisual enterprises. Furthermore, it aims to contribute to the creation of a harmonious Internet ecosystem. 展开更多
关键词 online Audiovisual Enterprises Social Responsibility Collaborative Governance
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Ghost Module Based Residual Mixture of Self-Attention and Convolution for Online Signature Verification
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作者 Fangjun Luan Xuewen Mu Shuai Yuan 《Computers, Materials & Continua》 SCIE EI 2024年第4期695-712,共18页
Online Signature Verification (OSV), as a personal identification technology, is widely used in various industries.However, it faces challenges, such as incomplete feature extraction, low accuracy, and computational h... Online Signature Verification (OSV), as a personal identification technology, is widely used in various industries.However, it faces challenges, such as incomplete feature extraction, low accuracy, and computational heaviness. Toaddress these issues, we propose a novel approach for online signature verification, using a one-dimensionalGhost-ACmix Residual Network (1D-ACGRNet), which is a Ghost-ACmix Residual Network that combines convolutionwith a self-attention mechanism and performs improvement by using Ghost method. The Ghost-ACmix Residualstructure is introduced to leverage both self-attention and convolution mechanisms for capturing global featureinformation and extracting local information, effectively complementing whole and local signature features andmitigating the problem of insufficient feature extraction. Then, the Ghost-based Convolution and Self-Attention(ACG) block is proposed to simplify the common parts between convolution and self-attention using the Ghostmodule and employ feature transformation to obtain intermediate features, thus reducing computational costs.Additionally, feature selection is performed using the random forestmethod, and the data is dimensionally reducedusing Principal Component Analysis (PCA). Finally, tests are implemented on the MCYT-100 datasets and theSVC-2004 Task2 datasets, and the equal error rates (EERs) for small-sample training using five genuine andforged signatures are 3.07% and 4.17%, respectively. The EERs for training with ten genuine and forged signaturesare 0.91% and 2.12% on the respective datasets. The experimental results illustrate that the proposed approacheffectively enhances the accuracy of online signature verification. 展开更多
关键词 online signature verification feature selection ACG block ghost-ACmix residual structure
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CRB:A new rumor blocking algorithm in online social networks based on competitive spreading model and influence maximization
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作者 董晨 徐桂琼 孟蕾 《Chinese Physics B》 SCIE EI CAS CSCD 2024年第8期588-604,共17页
The virtuality and openness of online social platforms make networks a hotbed for the rapid propagation of various rumors.In order to block the outbreak of rumor,one of the most effective containment measures is sprea... The virtuality and openness of online social platforms make networks a hotbed for the rapid propagation of various rumors.In order to block the outbreak of rumor,one of the most effective containment measures is spreading positive information to counterbalance the diffusion of rumor.The spreading mechanism of rumors and effective suppression strategies are significant and challenging research issues.Firstly,in order to simulate the dissemination of multiple types of information,we propose a competitive linear threshold model with state transition(CLTST)to describe the spreading process of rumor and anti-rumor in the same network.Subsequently,we put forward a community-based rumor blocking(CRB)algorithm based on influence maximization theory in social networks.Its crucial step is to identify a set of influential seeds that propagate anti-rumor information to other nodes,which includes community detection,selection of candidate anti-rumor seeds and generation of anti-rumor seed set.Under the CLTST model,the CRB algorithm has been compared with six state-of-the-art algorithms on nine online social networks to verify the performance.Experimental results show that the proposed model can better reflect the process of rumor propagation,and review the propagation mechanism of rumor and anti-rumor in online social networks.Moreover,the proposed CRB algorithm has better performance in weakening the rumor dissemination ability,which can select anti-rumor seeds in networks more accurately and achieve better performance in influence spread,sensitivity analysis,seeds distribution and running time. 展开更多
关键词 online social networks rumor blocking competitive linear threshold model influence maximization
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AMachine Learning Approach to User Profiling for Data Annotation of Online Behavior
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作者 Moona Kanwal Najeed AKhan Aftab A.Khan 《Computers, Materials & Continua》 SCIE EI 2024年第2期2419-2440,共22页
The user’s intent to seek online information has been an active area of research in user profiling.User profiling considers user characteristics,behaviors,activities,and preferences to sketch user intentions,interest... The user’s intent to seek online information has been an active area of research in user profiling.User profiling considers user characteristics,behaviors,activities,and preferences to sketch user intentions,interests,and motivations.Determining user characteristics can help capture implicit and explicit preferences and intentions for effective user-centric and customized content presentation.The user’s complete online experience in seeking information is a blend of activities such as searching,verifying,and sharing it on social platforms.However,a combination of multiple behaviors in profiling users has yet to be considered.This research takes a novel approach and explores user intent types based on multidimensional online behavior in information acquisition.This research explores information search,verification,and dissemination behavior and identifies diverse types of users based on their online engagement using machine learning.The research proposes a generic user profile template that explains the user characteristics based on the internet experience and uses it as ground truth for data annotation.User feedback is based on online behavior and practices collected by using a survey method.The participants include both males and females from different occupation sectors and different ages.The data collected is subject to feature engineering,and the significant features are presented to unsupervised machine learning methods to identify user intent classes or profiles and their characteristics.Different techniques are evaluated,and the K-Mean clustering method successfully generates five user groups observing different user characteristics with an average silhouette of 0.36 and a distortion score of 1136.Feature average is computed to identify user intent type characteristics.The user intent classes are then further generalized to create a user intent template with an Inter-Rater Reliability of 75%.This research successfully extracts different user types based on their preferences in online content,platforms,criteria,and frequency.The study also validates the proposed template on user feedback data through Inter-Rater Agreement process using an external human rater. 展开更多
关键词 User intent CLUSTER user profile online search information sharing user behavior search reasons
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