基于MAS的农业专家系统平台的研究

针对农业领域知识的分布性、易更新性、可重用性等特点,将MAS理论和技术应用到农业专家系统平台的开发中,提出了基于MAS的农业专家系统平台的结构,并讨论了实现该平台的一些关键技术.本系统平台的研究将加速Agent的实现与应用;同时会降低开发农业专家系统的成本,最终使农业专家系统更好地为农业、农村、农民服务.     

农业专家系统平台设计与实现

在众多的农业信息技术中，以专家系统为代表的智能化农业信息技术的作用尤为突出 。农业专家系统平台是用于开发农业专家系统的工具。介绍了一个农业专家系统平台的 设计和实现，并讨论了几种关键技术；最后给出了一个使用这个平台开发的专家系统实例。     

构件化农业专家系统的研究与探讨

针对目前传统专家系统各方面存在的缺陷与不足和智能化农业发展的需要,提出了一种针对农业专家系统的构件化的软件实现方案,新的平台本身具有开放的、灵活的体系结构,开发出的专家系统也具有可插拔性、扩展性、移植性、替换性。阐述了构件化技术和农业专家系统以及农业专家系统开发平台,并且在863专家系统开发平台的工作基础和经验总结上,阐述了这种基于集成构件和功能构件的规范化的农业专家系统平台的体系结构,以及构件化的实现方案。     

构件化农业专家系统的研究与探讨

针对目前传统专家系统各方面存在的缺陷与不足和智能化农业发展的需要,提出了一种针对农业专家系统的构件化的软件实现方案,新的平台本身具有开放的、灵活的体系结构,开发出的专家系统也具有可插拔性、扩展性、移植性、替换性.阐述了构件化技术和农业专家系统以及农业专家系统开发平台,并且在863专家系统开发平台的工作基础和经验总结上,阐述了这种基于集成构件和功能构件的规范化的农业专家系统平台的体系结构,以及构件化的实现方案.     

Web技术分析及其在农业专家系统开发平台中的应用

文章介绍了Web技术和基于Web的农业专家系统开发平台。主要包括Web技术的分析、Web在开发农业专家系统开发平台网络版的应用及其实现。     

设计模式在农业专家平台系统中的应用

鉴于农业专家平台系统的复杂性,论文提出了运用策略模式、组合模式、命令模式、单例模式以及门面模式构建农业专家系统。旨在促使平台系统开发注重设计模式,发现、归纳并应用设计模式,从而实现软件设计的重用,提高软件的质量和开发效率。     

基于启发式规则推理的多媒体农业专家系统开发平台的开发与研究

阐述了多媒体农业专家系统开发平台的系统目标、系统分析及系统实现的关键技术，提出了一种实现启发式规则推理的知识表示方法。     

构件在农业专家系统开发平台中的动态调用

采用构件技术设计的应用系统，是在遵循构件接口标准的原则下，由不同功能构件相互组合而成的。它们所具有的共同特点是可以随时对应用系统中的任一构件进行更新，从而产生一个新的应用系统。文章介绍了构件的基本概念，着重对农业专家系统开发平台下构件技术实现的方法进行了探讨。     

Agent应用系统模板语言研究

为了有效地构造可靠、便于维护的多Agent系统（MAS），根据Grammarware的工程化思想与产生式编程技术，以基于黑板的单Agent结构为基础，提出一种Agent模板语言（APL）。通过一个企业业务过程管理（BPM）场景，说明在应用中如何使用APL描述Agent中针对具体应用的数据类型、知识源组件等，并由解析器将APL转换为JADE上的执行代码，进而实现多Agent系统的快速构建，实现MAS自顶向下的开发，从而提高系统开发的效率，增强系统的灵活性与可复用性。     

基于Struts框架的农业专家系统研究

结合我国农村经济条件和信息化现状,为解决农业专家系统的推广使用的难题,针对目前农业专家系统的不足,研究并构建了基于Struts框架的网络农业专家系统。设计遵循J2EE规范和MVC设计模式,介绍了基于Struts框架的农业专家系统设计和实现过程。该系统具有跨平台、低成本、开发高效快捷、可裁剪和移植性强等优点,解决目前农业专家系统推广普及的一些瓶颈问题,既适应了我国农村现状又满足了农业信息化需要。     

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     

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.     

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。