基于B/S架构的线上教学系统设计

针对高校教育的现状及特征,设计基于浏览器/服务器模式（Browser/Server,B/S）架构的线上教学系统。该系统以B/S结构为基础,划分为教师和学生两个子系统。采用Web浏览器/服务器对网站进行了总体设计;构建网络教学、下载学习资源、在线作业、在线考试以及在线答疑等一系列学习模块。通过在线教学管理,实现了教学信息发布、资料上传、作业管理、试卷管理和在线答疑管理,完成基于B/S架构的线上教学系统设计。     

基于.NET在线考试系统的设计与实现

由于传统考试方式对于教师的工作压力和纸张等资源浪费量过大,不符合现代高效的工作效率.为了方便教师对学生所掌握课程知识能力的测试和评判的实际需要,设计了一个基于.NET的考试系统.实现了教师在线进行题库维护、试卷管理、考场维护以及学生在线答题和提交作业等功能.     

浅谈《数据结构》课程在线考试系统的开发

该文分析了在线考试系统的设计与实现技术,通过采用基于WEB的思想,为解决实际需求对系统的整体结构进行设计,并设置了相应的功能模块。本系统主要分为三个模块:管理员模块、教师模块和学生模块。管理员模块包括学生资料管理、题库管理、试卷管理和科目管理四个子功能模块。学生模块主要包括参加考试和考试查询两个子功能模块。教师模块主要包括在线阅卷的功能。     

大学网上考试系统的设计与实现

在对大学网上考试系统的开发背景和应用意义进行阐述的基础上,对大学网上考试系统的功能模块设计、系统开发方案、数据库设计和系统功能实现进行了详细介绍。系统基于B/S模式,实现了在线生成试卷、学生在线参加考试、自动生成考试成绩、学生和教师在线互动答疑和管理员后台数据管理等功能,提高了考试管理效率,为大学课程的教学和考试提供了一种高效、灵活、可靠和便捷的方式。     

基于Java的考试机设计与实现

1系统总体设计 本考试机采用 Java 语言实现,主要包括学生考试模块和教师管理模块两大部分.在学生模块部分,开发了用户登录、上机测验、成绩查询、个人考试结果分析功能;在教师模块部分,开发了登录信息管理、题库编辑、创建试卷、评阅试卷、班级成绩分析等功能.     

基于.NET的在线考试系统的设计与实现

介绍了利用.NET平台设计与实现在线考试系统。对系统的整体设计方案、结构思路、主要功能模块、数据库设计进行了详细的阐述。实现了班级管理、课程管理、试题库管理、学生信息管理、教师信息管理、成绩信息管理等功能,有效的提高了考试的效率。     

一般在线考试系统的设计与实现

本文讨论了一般在线考试系统的设计与实现技术,结合实际提出本系统的总体结构和功能模块,然后通过系统结构设计、表的设计及前端开发,构建了一个基于B/S多层结构的、以ASP.NET技术和SQL后台数据库为基础的、具备学生信息管理、试题库管理、在线考试、计算机自动阅卷、成绩分析、试卷分析、用户管理功能的在线考试系统。     

基于Struts的在线考试系统

在线考试系统可以利用网络,提高试卷命题和考试效率、质量和公平性,是传统考场的延伸。为此,本文针对在线考试系统中命题质量和试卷安全访问控制问题,以软件工程的思想,详细分析在线考试系统的总体结构,提出相应的整体解决方案,设计系统的软件模型。系统基于B/S架构,采用Struts框架、RBAC模型与基于知识点和难度值的自动组卷算法,实现包括角色管理、题库管理、组卷管理、考试管理、考试控制、考试结果的公布与查询等功能。最后,通过测试运行表明该系统提高了命题试卷的质量,控制灵活,访问安全,实用性好。     

自开课在线考试系统的设计与实现

该文主要针对电大开放教育的特点,全面分析了在线考试系统开发的必要性以及管理员、教师和学生有关考试等业务的需求,提出了在线考试系统的业务流程以及考试管理、用户权限管理、相关数据库管理等系统方面的统一管理内容,论述了自开课在线考试系统的实现过程.为了实现在线考试系统的需求,该系统设计了三大功能模块,即系统管理员模块、教师管...     

基于B/S架构的网上高职教学系统设计与实现

结合高职院校教学的实际情况和特点,对网上高职教学系统的设计与实现进行了探索和研究。本系统基于B/S三层架构体系,分为学生子系统和教师子系统。学生登录后,可以完成整个的学习过程,如网络教学、学习资源下载、在线作业、在线考试、在线答疑等一系列学习活动;教师登录后,可以进行在线教学管理,如教学信息发布、资料上传、作业管理、试卷管理、在线答疑等。     

Only connect: teaching, technology and telesis

Abstract This paper describes an approach to the design of interactive multimedia materials being developed in a European Community project. The developmental process is seen as a dialogue between technologists and teachers. This dialogue is often problematic because of the differences in training, experience and culture between them. Conditions needed for fruitful dialogue are described and the generic model for learning design used in the project is explained.     

European Community policy and the market

Abstract This paper starts with some reflections on the policy considerations and priorities which are shaping European Commission (EC) research programmes. Then it attempts to position the current projects which seek to capitalise on information and communications technologies for learning in relation to these priorities and the apparent realities of the marketplace. It concludes that while there are grounds to be optimistic about the contribution EC programmes can make to the efficiency and standard of education and training, they are still too technology driven.     

一种自适应子融合集成多分类器方法

融合集成方法已经广泛应用在模式识别领域,然而一些基分类器实时性能稳定性较差,导致多分类器融合性能差,针对上述问题本文提出了一种新的基于多分类器的子融合集成分类器系统。该方法考虑在度量层融合层次之上通过对各类基多分类器进行动态选择,票数最多的类别作为融合系统中对特征向量识别的类别,构成一种新的自适应子融合集成分类器方法。实验表明,该方法比传统的分类器以及分类融合方法识别准确率明显更高,具有更好的鲁棒性。     

Avoiding semantic and temporal gaps in developing software intensive systems

Development of software intensive systems (systems) in practice involves a series of self-contained phases for the lifecycle of a system. Semantic and temporal gaps, which occur among phases and among developer disciplines within and across phases, hinder the ongoing development of a system because of the interdependencies among phases and among disciplines. Such gaps are magnified among systems that are developed at different times by different development teams, which may limit reuse of artifacts of systems development and interoperability among the systems. This article discusses such gaps and a systems development process for avoiding them.     

Designing economic np control charts: A programmed simulation approach

This paper presents control charts models and the necessary simulation software for the location of economic values of the control parameters. The simulation program is written in FORTRAN, requires only 10K of main storage, and can run on most mini and micro computers. Two models are presented - one describes the process when it is operating at full capacity and the other when the process is operating under capacity. The models allow the product quality to deteriorate to a further level before an existing out-of-control state is detected, and they can also be used in situations where no prior knowledge exists of the out-of-control causes and the resulting proportion defectives.     

The development of robot art

Going through a few examples of robot artists who are recognized worldwide, we try to analyze the deepest meaning of what is called “robot art” and the related art field definition. We also try to highlight its well-marked borders, such as kinetic sculptures, kinetic art, cyber art, and cyberpunk. A brief excursion into the importance of the context, the message, and its semiotics is also provided, case by case, together with a few hints on the history of this discipline in the light of an artistic perspective. Therefore, the aim of this article is to try to summarize the main characteristics that might classify robot art as a unique and innovative discipline, and to track down some of the principles by which a robotic artifact can or cannot be considered an art piece in terms of social, cultural, and strictly artistic interest. This work was presented in part at the 13th International Symposium on Artificial Life and Robotics, Oita, Japan, January 31–February 2, 2008     

Explanation and prediction: an architecture for default and abductive reasoning

Although there are many arguments that logic is an appropriate tool for artificial intelligence, there has been a perceived problem with the monotonicity of classical logic. This paper elaborates on the idea that reasoning should be viewed as theory formation where logic tells us the consequences of our assumptions. The two activities of predicting what is expected to be true and explaining observations are considered in a simple theory formation framework. Properties of each activity are discussed, along with a number of proposals as to what should be predicted or accepted as reasonable explanations. An architecture is proposed to combine explanation and prediction into one coherent framework. Algorithms used to implement the system as well as examples from a running implementation are given.     

Three Process Perspectives: Organizations, Teams, and People

This paper provides the author's personal views and perspectives on software process improvement. Starting with his first work on technology assessment in IBM over 20 years ago, Watts Humphrey describes the process improvement work he has been directly involved in. This includes the development of the early process assessment methods, the original design of the CMM, and the introduction of the Personal Software Process (PSP)^SM and Team Software Process (TSP){^SM}. In addition to describing the original motivation for this work, the author also reviews many of the problems he and his associates encountered and why they solved them the way they did. He also comments on the outstanding issues and likely directions for future work. Finally, this work has built on the experiences and contributions of many people. Mr. Humphrey only describes work that he was personally involved in and he names many of the key contributors. However, so many people have been involved in this work that a full list of the important participants would be impractical.     

基于复小波噪声方差显著修正的SAR图像去噪

提出了一种基于复小波域统计建模与噪声方差估计显著性修正相结合的合成孔径雷达(Synthetic Aperture Radar,SAR)图像斑点噪声滤波方法。该方法首先通过对数变换将乘性噪声模型转化为加性噪声模型,然后对变换后的图像进行双树复小波变换(Dualtree Complex Wavelet Transform,DCWT),并对复数小波系数的统计分布进行建模。在此先验分布的基础上,通过运用贝叶斯估计方法从含噪系数中恢复原始系数,达到滤除噪声的目的。实验结果表明该方法在去除噪声的同时保留了图像的细节信息,取得了很好的降噪效果。     

How do children do mathematics with LOGO?

Abstract  This paper considers some results of a study designed to investigate the kinds of mathematical activity undertaken by children (aged between 8 and 11) as they learned to program in LOGO. A model of learning modes is proposed, which attempts to describe the ways in which children used and acquired understanding of the programming/mathematical concepts involved. The remainder of the paper is concerned with discussing the validity and limitations of the model, and its implications for further research and curriculum development.