基于ASP随机抽取自动组卷系统设计与实现

系统运用目前较为广泛使用的ASP技术和ACCESS数据库实现基于B/S模式随机抽取自动组卷系统。阐述了目前考试系统的发展现状,提出了随机组卷算法;接着分析了组卷中数据库的规范化和数据库设计,随后介绍了自动组卷系统对数据库信息的管理维护以及生成文档试卷的设计思路和实现方法。系统具有试题录入、修改、查询、自动组卷以及进行在线考试等重要功能,具有运用灵活方便、操作简单,效率较高的等优势。     

基于文本格式的题库与试卷自动生成系统研究

用VisualBasic语言和Access数据库设计开发了一个基于文本格式的题库与试卷自动生成系统。该系统可以将按章节或知识点录入的试题和答案文件直接导入到试题库;可以浏览和修改试题库中的试题;可以设置组卷的条件并能根据组卷条件自动生成试卷;可以管理多门课程的题库;可以设置不同的试卷试题内容完全不同的条件,并且允许相同的知识点出多道试题但在同一套试卷中不会同时出现。     

Word文档的内容与数据库互联及其应用

本文就MIS系统开发中,以Word画图和写说明文字的多媒体信息与数据库互连的方法进行分析,利用OLE技术,以粘贴板为桥梁,实现了将Word中的多媒体信息一次性分项存取.此方法用于开发试题库系统,能很方便地将试题录入到数据库中并导出试卷.     

《计算机网络》网上出卷系统的设计

本文叙述了用ASP和Web数据库等技术完成《网上出卷系统》的设计过程。该系统是基于浏览器／服务器(B／S)模式开发的，它操作方便，工作效率高，减少资源浪费，实现了试题(卷)录入、随机组卷及打印试卷、用户资料的录入、进行在线考试、评分等重要功能，大大减轻了教师的工作量，方便了教师组卷。     

职业技能鉴定试题库系统的关键技术

作为职业技能鉴定网络考试系统中的重要组成部分,试题库系统需要解决几个关键问题:存储和显示包含多种媒体信息形式的试题;从试题库中抽取出符合要求的试卷;生成Word文档形式的试卷文件.因此提出了试题库系统的工作流程和整体结构设计;设计并实现了以自定义控件的方式录入复合文本形式试题,通过生成临时RTF文件将试题写入数据库;设计了基于贪心策略的抽题组卷算法,阐述了以组件对象模型( COM)技术的自动化机制,利用Word提供的接口,实现试卷输出的方法.     

基于Delphi的试题库管理系统

该系统以Delphi为开发工具,采用SQL Server数据库,使用ADO、DLL和存储过程技术,设计了系统设置、试题管理、试卷管理及组卷管理四大模块．该系统采用Client／Server运行模式,功能全面、界面友好、操作方便。     

高等数学自动成卷系统的设计与实现

以高等数学学科试题库为基础,本文介绍了试卷生成系统的开发过程,着重解决了系统数据库设计和自动成卷策略的设计,并选择Visual C＋＋和ADO数据库技术进行实现。系统具有生成试卷、试卷维护、试题维护、浏览打印等功能,能方便地生成满足用户成卷要求的有效试卷。     

MRITIS—一种远程智能试题录入系统

为提高远程试题录入的工作效率,简化复杂的录入和图片上传步骤,提出了一种基于MWA(MetaWeblog API)的远程智能试题录入系统(MWA based Remote Intelligent Test Input System,MIRITIS).利用WireShark对Microsoft Office Word 2007博客发布功能的数据包格式进行截取和分析,并基于MWA设计了试题录入交互模块.服务器端采用正则表达式和机器学习技术对试题进行分割和提取,并存入到数据库中.实验结果表明,MIRITIS相对于传统方式提高了效率,且错误率较低,具有一定的实用价值.     

ASP.NET中将Word试卷逐题导入数据库的实现方法

如何才能让用户快速、便捷地录入试题,实现图、文、表、格式并存试题的编辑和保存,一直是通用试题库管理系统开发者着力要解决的重要问题。本文详细介绍一种基于ASP.NET的通用试题库系统中使用书签分割Word试卷内容并逐题导入数据库表的方法,并对试题保存至数据库后的编辑问题提出有效的解决方案。     

基于DSOFramer的通用题库系统关键技术研究

如何实现图文混排试题的编辑、快速数据库存取和自动排版输出生成试卷,是通用试题库系统构建的一个重点和难点。本文详细介绍一种基于DSOFramer、OLE Word对象嵌入、二进制流和Windows剪贴板技术的通用试题库系统研制方法,对试题录入与输出等关键技术进行深入探讨,并给出相关代码。     

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。     

煤矿井下安全监控分站的设计及其仿真实现

为了设计一种具有低成本、低功耗、易操作、功能强且可靠性高的煤矿井下安全分站,针对煤矿安全生产实际,文章提出了采用MCS-51系列单片机为核心、具有CAN总线通信接口的煤矿井下安全监控分站的设计方案;首先给出煤矿井下安全监控分站的整体构架设计,然后着重阐述模拟量输入信号处理系统的设计过程,最后说明单片机最小系统及其键盘、显示、报警、通信等各个组成部分的设计;为验证设计方案的可行性与有效性,使用Proteus软件对设计内容进行仿真验证,设计的煤矿井下安全监控分站具有瓦斯、温度等模拟量参数超标报警功能和电机开停、风门开闭等开关量指示功能;仿真结果表明:设计的煤矿井下安全监控分站具有一定的实际应用价值.     

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.     

View-based model-driven architecture for enhancing maintainability of data access services

In modern service-oriented architectures, database access is done by a special type of services, the so-called data access services (DAS). Though, particularly in data-intensive applications, using and developing DAS are very common today, the link between the DAS and their implementation, e.g. a layer of data access objects (DAOs) encapsulating the database queries, still is not sufficiently elaborated, yet. As a result, as the number of DAS grows, finding the desired DAS for reuse and/or associated documentation can become an impossible task. In this paper we focus on bridging this gap between the DAS and their implementation by presenting a view-based, model-driven data access architecture (VMDA) managing models of the DAS, DAOs and database queries in a queryable manner. Our models support tailored views of different stakeholders and are scalable with all types of DAS implementations. In this paper we show that our view-based and model driven architecture approach can enhance software development productivity and maintainability by improving DAS documentation. Moreover, our VMDA opens a wide range of applications such as evaluating DAS usage for DAS performance optimization. Furthermore, we provide tool support and illustrate the applicability of our VMDA in a large-scale case study. Finally, we quantitatively prove that our approach performs with acceptable response times.     

A pragmatic multi-method investigation of discrepant technological events: Coping,attributions, and ‘accidental’ learning

Discrepant technological events or situations that entail a problem, a misunderstanding or a difficulty with the Information Technology (IT) being employed, are common in the workplace, and can lead to frustration and avoidance behaviors. Little is known, however, about how individuals cope with these events. This paper examines these events by using a multi-method pragmatic approach informed by coping theory. The results of two studies – a critical incident study and an experiment – serve to build and test, respectively, a theoretical model that posits that individuals use a variety of strategies when dealing with these events: they experience negative emotions, make external attributions, and adopt engagement coping strategies directed at solving the event, eventually switching to a disengagement coping strategy when they feel they have no control over the situation. Furthermore, users’ efforts may result in ‘accidental’ learning as they try to overcome the discrepant IT events through engagement coping. The paper ends with a discussion of the results in light of existing literature, future opportunities for research, and implications for practice.