基于SOA的分布式科研信息系统

如何充分利用原有系统的资源，建立开放灵活、低代价的系统已成为高校信息化建设的关键。面向服务的体系结构（SOA）为解决分布式环境中软件重用、扩展和提高软件开发效率提供了解决方案。分析了高校信息化建设中面临的“信息孤岛”问题，研究了利用Web服务实现基于SOA的分布式系统的有效方法，并给出了采用SOA体系结构开发的科研信息系统的框架、集成原理和Web服务实现等关键实现技术。     

高适应性企业信息查询扩展系统设计与实现

高效企业信息检索已成为信息检索领域的重点和难点,讨论了企业信息检索相关技术的发展,设计并实现了一个基于概念的企业信息检索系统,利用查询扩展算法对用户输入的关键词进行语义扩展：利用专业词典查找同义词,通过学习指定文档集合找出关联词,并允许用户自定义关联词进行扩展,从而实现真正意义上的概念搜索。系统设计充分考虑可适应性及平台无关性问题,其层次间独立的结构设计使得系统字典可替换,可用于不同行业不同平台的企业信息查询,特别适合中小型企业的轻型简便应用。     

基于互信息的问句语义扩展研究

用户习惯用很少的关键字来检索所需的信息,这必然会导致出现用户所检索的信息与得到的信息有所偏差.针对这一现象,提出了基于互信息的问句语义扩展模型(QSE_BMI).它的好处在于可以根据用户自己制定的兴趣模型和输入的查询问句,检索出与用户兴趣相匹配的并且符合用户需要的相关信息.     

电力企业业扩报装冗余信息抽取系统设计

针对传统系统处理冗余信息工作频率低,冗余率高的问题,设计一个新的电力企业业扩报装冗余信息抽取系统。该系统采用B/S三层结构设计框架,框架主要由集成层、通信层以及抽取处理层组成,集成层主要由数据仓库集成芯片和通信接口组成,负责将电力企业业扩报装信息集中到一起;通信层中只有一个nRF2401芯片,负责将集成后的数据信息传输到抽取处理层中;抽取处理层主要由单片机和内外储存载体组成,主要负责抽取冗余信息,并将处理好的信息储存起来。结果表明:本系统较传统系统工作频率提高66.9 Hz,冗余率降低6.3%。     

基于Web的异构信息源集成中间件

通过分析传统异构信息源集成中存在的问题,提出了改进的异构信息源集成中间件体系结构,并给出了数据转换的映射算法。该中间件通过对不同的信息源采用不同的转换机制,简化了集成方法,提高了查询的准确度。     

A standard manufacturing information model to support design for manufacturing in virtual enterprises

Manufacturing enterprises are being forced into greater collaboration with customers and suppliers in order to produce quality products in smaller batches, shorter lead times and with greater variety. Consequently, the design-for-manufacturing task must be conducted in these virtual and distributed enterprises across traditional organizational boundaries. This paper proposes the use of standard information models to support the product realization process. While extensive work has been performed in developing product data models little effort has been performed in developing a manufacturing model. The design-for-manufacturing stages are identified with their requisite information requirements. Different approaches used to model various aspects of manufacturing processes are reviewed and found inadequate for supporting the entire design-for-manufacturing task. The development of a standard manufacturing systems information model written in EXPRESS and based upon the modelling me thodology adhered to by standard for the exchange of product (STEP) is proposed to fill the void. Initial developments in this area are discussed, the model is illustrated with an example, and the potential benefits to manufacturing are reviewed.     

航天数字化空间态势信息保障系统设计与实现

传统信息保障系统存在保障效果差、耗费时间长等问题,为了解决该问题,提出航天数字化空间态势信息保障系统的设计与实现。根据空间态势信息保障系统设计需求,将保障系统整体划分成综合数据库、目标轨道模型、空间要素以及可视化等结构,利用空间态势组成信息设计系统硬件层次结构;将程序作为基本研发单元,设计漫游与缩放数据请求流程,并利用信息保障技术,实现各个应用功能。通过实验验证可知,该系统可有效覆盖秘密时间和空间等要素,对于信息保障效果较好,耗费时间较少。     

基于向量空间的Web服务发现模糊方法

Web服务已逐渐发展成为重要的分布式计算范式。在综合分析了现有的Web服务描述文档的基础上,提出了一种基于模糊集的服务特征项集选取算法以及Web服务向量空间的生成方法。利用生成的向量空间,对Web服务进行模糊聚类。基于此,文中给出了向量空间中进行Web服务发现的模糊方法。所提出的方法只需利用现有的Web服务描述信息,保证了服务发现的有效性。     

信息管理与信息系统专业人才培养模式创建研究——以德州学院信息管理与信息系统专业为例

分析了当前德州学院信息管理与信息系统专业学生学习和就业情况,研究了地方本科院校信息管理与信息系统专业创新型人才培养模式与社会服务之间的关系.针对学校与社会需求存在脱节,学生创新意识不强,对企业的研发方向知之甚少等问题,对现有的培养模式进行改进.创建了一种新的培养模式,以求让学生的创新与企业的创新融为一体,进一步增强地方本科院校的实力.     

Sound information seeking in Web 2.0 virtual communities: the moderating effect of mindfulness

Virtual communities are a group of Internet-based applications that build on the ideological and technological foundations of Web 2.0. Information seeking has been demonstrated to be a main motivator driving web use. Given the challenge brought by quality in the early stage, the healthy development of virtual communities relies on sound information seekers. Mindfulness, which is regarded as a psychological state of consciousness, is an important factor for individuals to make a sound decision. This study develops a research model by extending the updated information systems success model with the consideration of the moderating effect of mindfulness. Data collected from users of virtual communities were used to test the model. The findings suggest that mindfulness negatively moderates the effects of information quality, system quality and service quality on perceived usefulness, which further impacts information seeking in virtual communities. The findings and the implications for theory and practice are discussed.     

TimeSpace: activity-based temporal visualisation of personal information spaces

Users personal information spaces are characterized by their content, organisation, and ongoing user interaction with them. They are fluid entities, evolving over time, and supporting multiple user activities that may require different perspectives of the same underlying information structure. Increasing storage capacity of computing devices and ready access to networked resources puts users at risk of information overload, and presents increasing challenges in organising and accessing their information. The hierarchical model of information organisation currently dominates personal computing, and is realised for the user in interfaces that help to manage and access filestore hierarchies. Such a model provides limited inherent support for what users do—carry out a range of interleaved activities over time. In this paper, we describe the TimeSpace system, which provides perspectives on a users information resources based on activities and temporal attributes of the information. TimeSpace can be used alongside, or in place of, existing systems and models (such as the Microsoft Windows hierarchical file model). User interaction with an information space is non-intrusively observed and then represented automatically in TimeSpace. Visualisations provide overviews of user activity on multiple projects and detailed views of activity within particular projects, allowing navigation forward and backward in time. An observational study of use of the system revealed positive user views of the utility of temporal, activity-oriented workspaces in real world contexts alongside existing tools. Participants appreciated being offered a different perspective on their electronic information collection, one that visually shows the composition and development of their information space. They were interested in using the system for current and long-term work as well as for archiving information, as the visualisations provide a context for their work and give an overview of all their work in progress. The ideas embodied by the system and its visualisations show promise and raise a number of issues for further exploration. In future work, these ideas will be adapted and extended to support users in managing their information spaces across multiple personal devices, locations and time.     

基于SOA/MVC的三农信息系统建设研究

针对我国三农信息系统建设中的重复建设、系统和系统之间不能相互通信和信息共享、成本高和实现复杂等问题,提出了基于SOA和MVC整合的三农信息系统建设思路和实现方法,可以很好地实现三农信息系统建设中软件资源的重用和共享、松散耦合和分层开发,达到降低开发及维护的难度和成本,提高开发效率等目的。     

多维信息空间的动画设计与实现

在研究和探讨虚拟环境之下构造以人为中心的多维信息空间的基础上,提出了虚拟环境下的多维信息空间动画模型.该模型综合了空间、时间以及知识处理的优点,很好地表达了动画系统中各个对象的行为、智能性及场景转换过程.根据这一模型构造了动画引擎的核心模块,并且在实验教学软件中实现了物质微观状态的可视化模拟,实验结果验证了该模型的有效性.     

主动信息服务系统的设计与实现

针对旅游业的现状，开发了主动信息服务系统，给出了智能信息推拉技术的特点和种类，建立了推送模型和拉模型．提出了基于智能信息推拉技术的主动信息服务系统的设计方案，给出了系统开发的流程图．采用用户兴趣模型和可信度模型相结合的分析方法采集网络信息数据，利用C#．net编程语言和Ajax技术开发了主动信息服务系统．该系统达到了平衡用户需求和信息可信的目的，具有一定的实用价值．     

Beyond Boundary Objects: Collaborative Reuse in Aircraft Technical Support

Boundary objects are a critical, but understudied, theoretical construct in CSCW. Through a field study of aircraft technical support, we examined the role of boundary objects in the practical achievement of safety by service engineers. Their resolution of repair requests was preserved in the organization’s memory via three compound boundary objects. These crystallizations did not manifest a static interpretation, but instead were continually reinterpreted in light of meta-negotiations. This suggests design implications for organizational memory systems which can more fluidly represent the meta-negotiations surrounding boundary objects.     

云计算IaaS平台的信息安全和运维服务设计

云计算的信息安全与运维服务是国际性的热点和难点问题。描述了一种实现跨平台IaaS运营支撑平台的信息安全与运维服务的设计,可以综合管理各类虚拟化资源池,实现了计算资源的灵活调用,满足了云用户对各类计算资源的弹性需求。     

Using audio to support animated route information in a hospital touch-screen kiosk

It can be difficult for both patients and staff to find particular locations within large, modern hospital building complexes. Interactive way-finding information on a touch-screen kiosk might remedy this, but numerous design issues face those developing appropriate interfaces. This paper discusses the decisions underlying a design which provided routes to 16 destinations in the UK’s third largest hospital, for both stair users and those wishing to avoid stairs. All routes included an animated map, photographs and text boxes with optional spoken output. Assessment methods included unobtrusive observation of kiosk users, analysis of computer logs, and interviews with reception staff who normally answered way-finding queries. Observation confirmed that people using the touch-screen reached their destinations. The computer logs over 10 weeks showed a stable daily average of 82 people interacting with the kiosk. Most way-finders (72%) retained the voice output but 28% turned it off, suggesting that modality choice is needed in multimedia interfaces for the public. This study highlighted beneficial side-effects of interactive way-finding kiosks, such as enabling patients to access relevant route information before visiting the hospital. This information could be provided via the internet or by including a printout of the relevant route with the appointment letter.     

运用互联网+云技术,提升物业信息化管理

本文通过将深入研究国网娄底供电公司调通大楼运用互联网和云技术+物业管理的模式,将物业的综合服务、安保服务、保洁服务、绿化服务及其他服务内容,通过管理平台实现物业管理的信息化和实时化;构建快速的信息沟通和反馈渠道,建立完善的服务监管平台。     

结合概念语义空间的语义扩展技术研究

查询扩展是在原查询词的基础上加入相关的词或者词组,以克服自然语言的二义性问题,改进查询意愿的描述。在概念语义空间中进行查询词扩展,可以充分挖掘出查询词之间的关联程度,在整体上把握查询意愿。利用WordNet语义词典中的上下文关系和相似度关系为各个原始查询词构建语义树,并将这些语义树向上溯源建立完整的概念语义空间,以共现信息为特征参数对扩展源中的词进行筛选,以避免过度扩展引起查询语义漂移。还引入动态观察窗口加权模型,以强化共现信息对单词之间关联度的表示。实验结果表明,该扩展算法比传统伪相关反馈算法的扩展质量有明显提高。