检索结果-内蒙古大学图书馆

1st International Conference on Technology Enhanced Learning in Higher Education, TELE 2021

作者： Kulikova, Natalia Y. Danilchuk, Elena V. Sergeev, Alexey N. Lukicheva, Anna V. Volgograd State Social-Pedagogical University Department of Computer Science and Methods of Teaching Computer Science Volgograd Russia Department of Computer Science and Methods of Teaching Computer Science Russia Municipal Educational Institution Volgograd Russia

ISBN: (纸本)9781665443968

This article deals with questions of organization online schoolchildren training using interactive posters as multidimensional didactic tools for a computer science teacher. The concept of 'interactive posters' discusses and shows their important role for activating and managing the activities of schoolchildren in full-time and remote forms of interaction. We are considering the design and development of interactive posters on the web platform with the specifics of training in informatics and overcoming the problems of modern schoolchildren related to clip thinking. © 2021 IEEE.

关键词： Personnel training

来源：评论

学校读者我要写书评

暂无评论

BIFURCATION ANALYSIS IN A PREDATOR-PREY MODEL WITH AN ALLEE EFFECT AND A DELAYED MECHANISM

引用

Acta Mathematica Scientia 2023年第3期43卷 1415-1438页

作者：李丹阳刘华张濠天马明叶勇魏玉梅 School of Mathematics and Computer Science Northwest Minzu UniversityLanzhou730000China School of Science Harbin Institute of Technology(Shenzhen)Shenzhen518055China Experimental Teaching Department Northwest Minzu UniversityLanzhou730030China

Regarding delay-induced predator-prey models, much research has been done on delayed destabilization, but whether delays are stabilizing or destabilizing is a subtle issue. In this study, we investigate predator-prey dynamics affected by both delays and the Allee effect. We analyze the consequences of delays in different feedback mechanisms. The existence of a Hopf bifurcation is studied, and we calculate the value of the delay that leads to the Hopf bifurcation. Furthermore, applying the normal form theory and a center manifold theorem, we consider the direction and stability of the Hopf bifurcation. Finally, we present numerical experiments that validate our theoretical analysis. Interestingly, depending on the chosen delay mechanism, we find that delays are not necessarily destabilizing. The Allee effect generally increases the stability of the equilibrium, and when the Allee effect involves a delay term, the stabilization effect is more pronounced.

关键词： delays Allee effect Hopf bifurcation stability

来源：评论

学校读者我要写书评

暂无评论

Visualization of Binary Classification Data and Algorithm for Remote Dynamic Loading of Data

Visualization of Binary Classification Data and Algorithm fo...

引用

作者： Zhang, Yiqian Wang, Yue Department of Computer Science Jinan Vocational College Jinan China Division of Public Teaching Jinan Vocational College Jinan China

With the advancement of technology, data visualization has become one of the research hotspots. In big data analysis, data visualization is a very important means, and through visualization software, data related to specific changes can be easily discovered. This article takes the remote dynamic loading algorithm of data as the research object, the alarm system as the research object, and the data dimensionality reduction as the foundation. It studies the visualization environment of Binary Classification data, and studies the visual design, implementation, and visualization process of the remote dynamic loading algorithm of data. The research results indicate that the analysis results of the paper’ system in terms of accuracy, recall, and F1 value are superior to other algorithms (the accuracy of the paper’ system is higher than 80%, with a minimum recall rate of 77% and an F1 value of 0.85). © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2025.

关键词： Data accuracy

来源：评论

学校读者我要写书评

暂无评论

Comparative Analysis of COVID-19 Detection methods Based on Neural Network

引用

computers, Materials & Continua 2023年第7期76卷 1127-1150页

作者： Inès Hilali-Jaghdam Azhari A Elhag Anis Ben Ishak Bushra M.Elamin Elnaim Omer Eltag Mohammed Elhag Feda Muhammed Abuhaimed S.Abdel-Khalek Computer Sciences and Information Technology Programs Applied CollegePrincess Nourah bint Abdulrahman UniversityRiyadhSaudi Arabia Department of Mathematics and Statistics College of ScienceTaif UniversityP.O.Box 11099Taif21944Saudi Arabia Department of Quantitative Methods Higher Institute of ManagementUniversity of Tunis1073Tunisia Department of Computer Science College of Science and Humanities in Al-SulailPrince Sattam Bin Abdulaziz UniversityAl KharjSaudi Arabia Department of Computer Science Faculty of Science and ArtsKing Khalid UniversityAbha61421Saudi Arabia Department of Mathematics Faculty of ScienceSohag UniversitySohagEgypt

In 2019,the novel coronavirus disease 2019(COVID-19)ravaged the *** of July 2021,there are about 192 million infected people worldwide and 4.1365 million *** present,the new coronavirus is still spreading and circulating in many places around the world,especially since the emergence of Delta variant strains has increased the risk of the COVID-19 pandemic *** symptoms of COVID-19 are diverse,and most patients have mild symptoms,with fever,dry cough,and fatigue as the main manifestations,and about 15.7%to 32.0%of patients will develop severe *** are screened in hospitals or primary care clinics as the initial step in the therapy for *** transcription-polymerase chain reaction(PCR)tests are still the primary method for making the final diagnosis,in hospitals today,the election protocol is based on medical imaging because it is quick and easy to use,which enables doctors to diagnose illnesses and their effects more *** to this approach,individuals who are thought to have COVID-19 first undergo an X-ray session and then,if further information is required,a CT-scan *** methodology has led to a significant increase in the use of computed tomography scans(CT scans)and X-ray pictures in the clinic as substitute diagnostic methods for identifying *** provide a significant collection of various datasets and methods used to diagnose COVID-19,this paper provides a comparative study of various state-of-the-art *** impact of medical imaging techniques on COVID-19 is also discussed.

关键词： Neural networks frameworks intelligent systems COVID-19 CT

来源：评论

学校读者我要写书评

暂无评论

The Calculus of Temporal Influence 30

The Calculus of Temporal Influence

引用

30th International Symposium on Temporal Representation and Reasoning, TIME 2023

作者： Bruse, Florian Kastaun, Marit Lange, Martin Möller, Sören Theoretical Computer Science / Formal Methods University of Kassel Germany Didactics of Biology University of Kassel Germany

ISBN: (纸本)9783959772983

We present the Calculus of Temporal Influence, a simple logical calculus that allows reasoning about the behaviour of real-valued functions over time by making assertions that bound their values or the values of their derivatives. The motivation for the design of such a proof system comes from the need to provide the background computational machinery for tools that support learning in experimental subjects in secondary-education classrooms. The end goal is a tool that allows school pupils to formalise hypotheses about phenomena in natural sciences, such that their validity with respect to some formal experiment model can be checked automatically. The Calculus of Temporal Influence provides a language for formal statements and the mechanisms for reasoning about valid logical consequences. It extends (and deviates in parts from) previous work introducing the Calculus of (Non-Temporal) Influence by integrating the ability to model temporal effects in such experiments. We show that reasoning in the calculus is sound with respect to a natural formal semantics, that logical consequence is at least semi-decidable, and that one obtains polynomial-time decidability for a natural stratification of the problem. 2012 ACM Subject Classification Theory of computation → Theory and algorithms for application domains;Theory of computation → Automated reasoning;Applied computing → Interactive learning environments © Florian Bruse, Marit Kastaun, Martin Lange, and Sören Möller

关键词： Computability and decidability

来源：评论

学校读者我要写书评

暂无评论

Android Malware Detection Using ResNet-50 Stacking

引用

computers, Materials & Continua 2023年第2期74卷 3997-4014页

作者： Lojain Nahhas Marwan Albahar Abdullah Alammari Anca Jurcut Department of Computer Science Umm Al Qura UniversityP.O.Box 715MeccaSaudi Arabia Curriculums and Teaching Department Faculty of EducationUmm Al Qura UniversityP.O.Box 715MeccaSaudi Arabia School of Computer Science University College DublinBelfieldDublinIreland

There has been an increase in attacks on mobile devices,such as smartphones and tablets,due to their growing *** malware is one of the most dangerous threats,causing both security breaches and financial *** malware is likely to continue to evolve and proliferate to carry out a variety of cybercrimes on mobile *** malware specifically targets Android operating system as it has grown in *** rapid proliferation of Android malware apps poses a significant security risk to users,making static and manual analysis of malicious files ***,efficient identification and classification of Androidmalicious files is *** ConvolutionalNeuralNetwork(CNN)basedmethods have been proposed in this regard;however,there is still room for performance *** this work,we propose a transfer learning and stacking approach to efficiently detect the Android malware files by utilizing two wellknown machine learning models,ResNet-50 and Support Vector Machine(SVM).The proposed model is trained on the DREBIN dataset by transforming malicious APK files into grayscale *** model yields higher performance measures than state-of-the-art works on the DREBIN dataset,where the reported measures are accuracy,recall,precision,and F1 measures of 97.8%,95.8%,95.7%,and 95.7%,respectively.

关键词： Androidmalware convolutional neural network malware analysis malware classification image classification support vector machine

来源：评论

学校读者我要写书评

暂无评论

The Experience of Training the Students of the Pedagogical University to the Implementation of the Blended Learning at School

The Experience of Training the Students of the Pedagogical U...

引用

Technology Enhanced Learning in Higher Education (TELE), International Conference on

作者： Nikolay Bozhko Svetlana Komissarova Sergey Kasyanov The Department of Computer Science and Methods of Teaching Computer Science) Volgograd State Socio-Pedagogical University Volgograd Russia

The article deals with the approaches of the definition of the blended learning. There are presented the components, defining the future teachers training to the implementation of the blended learning of computer science. The authors describe the experience of the training of the students in the pedagogical university to the implementation of the blended learning at school.

关键词：

来源：评论

学校读者我要写书评

暂无评论

The Basic Principles of the Development of the Elearning Program in the Communities of the Schoolstudents

The Basic Principles of the Development of the Elearning Pro...

引用

Technology Enhanced Learning in Higher Education (TELE), International Conference on

作者： Tatyana Klevetova Svetlana Komissarova Anastasiya Maksimova The Department of Computer Science and Methods of Teaching Computer Science) Volgograd State Socio-Pedagogical University Volgograd Russia

The article deals with the issues of the implementation of the e-learning programs in the communities of the schoolstudents. There is specified the concept of “online community”, there is considered the classification of the online communities. The authors describe the theoretical approaches to the development of the online course of computer Studies in the context of the introduction of the Federal State Educational Standards and the digital transformation of education at the example of the online course “Training of schoolstudents to the Basic State Examination of computer Studies”, implemented in Volgograd State Socio-Pedagogical University.

关键词：

来源：评论

学校读者我要写书评

暂无评论

Two-Stage Shadow Inclusion Estimation: An IV Approach for Causal Inference under Latent Confounding and Collider Bias 41

Two-Stage Shadow Inclusion Estimation: An IV Approach for Ca...

引用

41st International Conference on Machine Learning, ICML 2024

作者： Li, Baohong Wu, Anpeng Xiong, Ruoxuan Kuang, Kun College of Computer Science and Technology Zhejiang University Hangzhou China Department of Quantitative Theory & Methods Emory University Atlanta United States

Latent confounding bias and collider bias are two key challenges of causal inference in observational studies. Latent confounding bias occurs when failing to control the unmeasured covariates that are common causes of treatments and outcomes, which can be addressed by using the Instrumental Variable (IV) approach. Collider bias comes from non-random sample selection caused by both treatments and outcomes, which can be addressed by using a different type of instruments, i.e., shadow variables. However, in most scenarios, these two biases simultaneously exist in observational data, and the previous methods focusing on either one are inadequate. To the best of our knowledge, no approach has been developed for causal inference when both biases exist. In this paper, we propose a novel IV approach, Two-Stage Shadow Inclusion (2SSI), which can simultaneously address latent confounding bias and collider bias by utilizing the residual of the treatment as a shadow variable. Extensive experimental results on benchmark synthetic datasets and a real-world dataset show that 2SSI achieves noticeable performance improvement when both biases exist compared to existing methods. Copyright 2024 by the author(s)

关键词： Colliding beam accelerators

来源：评论

学校读者我要写书评

暂无评论

The Online Course “The Organization of the Students Project Activities of computer Studies in the Context of the Educational Technopark”: Ideas, Approaches and Development

The Online Course “The Organization of the Students Project...

引用

Technology Enhanced Learning in Higher Education (TELE), International Conference on

作者： Tatyana Klevetova Svetlana Komissarova Andrey Mashkov The Department of Computer Science and Methods of Teaching Computer Science) Volgograd State Socio-Pedagogical University Volgograd Russia

The article deals with the issues of the organization of the project activities of computer Studies on the basis of the educational technopark. The authors describe the experience of the development of the online course “The organization of the students project activities of computer Studies in the context of the educational technopark” with the technical assistance of the technopark in Volgograd State Socio-Pedagogical University.

关键词：

来源：评论

学校读者我要写书评

暂无评论

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案：

请选择收藏分类：

通借通还

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：