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数字界面微观信息结构的有序度分析 被引量:3
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作者 周蕾 薛澄岐 +2 位作者 王海燕 Yingjie Victor Chen 牛亚峰 《东南大学学报(自然科学版)》 EI CAS CSCD 北大核心 2016年第6期1209-1213,共5页
针对数字界面人机交互过程中的信息流畅性问题,提出从微观信息结构出发运用熵理论对信息结构的有序度进行定量分析.首先,指出微观信息结构由2类信息元和3种典型的信息关系组成;其次,提出信息结构的时效熵和质效熵的计算方法,用来度量数... 针对数字界面人机交互过程中的信息流畅性问题,提出从微观信息结构出发运用熵理论对信息结构的有序度进行定量分析.首先,指出微观信息结构由2类信息元和3种典型的信息关系组成;其次,提出信息结构的时效熵和质效熵的计算方法,用来度量数字界面信息结构的有序度;最后,选择手机界面这一典型的数字界面为例,构建了3种不同的App布局,进行信息结构的有序度计算.认知实验结果表明,有序度高的信息结构具有直观方便、分区有规律等特点,比较容易记忆;而有序度低的信息结构搜索路径复杂,记忆效果较差,且耗时较多.数字界面微观信息结构的有序度与用户的认知绩效相关,可以作为界面设计效果的评价指标. 展开更多
关键词 数字界面 微观结构 有序度 时效熵 质效熵
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Enhancing Cyber Security through Artificial Intelligence and Machine Learning:A Literature Review
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作者 Carlos Merlano 《Journal of Cyber Security》 2024年第1期89-116,共28页
The constantly increasing degree and frequency of cyber threats require the emergence of flexible and intelligent approaches to systems’protection.Despite the calls for the use of artificial intelligence(AI)and machi... The constantly increasing degree and frequency of cyber threats require the emergence of flexible and intelligent approaches to systems’protection.Despite the calls for the use of artificial intelligence(AI)and machine learning(ML)in strengthening cyber security,there needs to be more literature on an integrated view of the application areas,open issues or trends in AI and ML for cyber security.Based on 90 studies,in the following literature review,the author categorizes and systematically analyzes the current research field to fill this gap.The review evidences that,in contrast to rigid rule-based systems that are static and specific to a given type of threat,AI and ML are more portable and effective in large-scale anomaly detection,malware classification,and prevention of phishing attacks by analyzing the data,learning the patterns,and improving the performance based on new data.Further,the study outlines significant themes,such as data quality,integration,and bias with AI/ML models,and underscores overcoming barriers to undertaking standard AI/ML integration.The contributions of this work are as follows:a thorough description of AI/ML applications in cyber security,discussions on the critical issues,and relevant opportunities and suggestions for future research.Consequently,the work contributes to establishing directions for creating and implementing AI/ML-based cyber security with demonstrable returns of technical solutions,organizational change,and ethicist interventions. 展开更多
关键词 Artificial intelligence machine learning cyber security threat detection vulnerability assessment network security security automation adversarial machine learning explainable AI
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