9 resultados para personal information management model

em Chinese Academy of Sciences Institutional Repositories Grid Portal


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为满足知识工作者对个人信息管理的灵活分类、时序管理和智能推荐的要求,提出一种个人信息管理系统模型。首先分析了知识工作者的个人信息管理特点,接着提出了模型的框架,描述了框架的层次结构。然后介绍了基于标签的个人信息推荐算法。最后对原型系统进行了评估。评估结果表明,该模型能够满足知识工作者对个人信息管理的要求。

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通过分析用户执行多任务的交互场景,基于活动理论,将任务、任务相关的信息以及任务间的关系统一纳入活动研究的框架,提出了以活动为中心的个人信息管理方式;从活动的静态结构、动态演变过程以及活动间的关系3个方面对活动进行建模;针对多活动场景中的用户交互和活动对象的内容提出了计算活动相关性的方法;并在此基础上。实现了以活动为中心的个人信息管理工具一一ACPIM(activity.centered personal information management).评估结果显示:以活动为中心的个人信息管理有助于用户减轻认知和记忆负担,降低交互努力,从而提高工作效率.

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随着互联网和移动通信等技术的飞速发展,以及普适计算模式代替传统的计算模式,使得每个人任何时候都处在信息的包围之中,并且面临的信息丰富多样。它们在人们的生活中的作用越来越大,但个人信息量日益增长,超越了个人对其管理控制的能力,使得个人处理信息面临越来越多的问题,如无法用有效的方式及时地记录随时遇到的信息、遗忘重要的提醒信息、个人花费大量的时间对信息进行组织和再查找操作等,这些严重影响了个人生活质量和工作效率,因此一个新的研究领域—个人信息管理(Personal Information Management, PIM)应运而生,并且目前已经成为研究的热点。 PIM研究个人在个人信息空间中获取、组织、检索和处理信息的活动过程。它是人们日常生活最基本的一部分,譬如个人经常要查找文件、管理Email、安排预约以及制定任务列表等。针对于PIM的信息非结构化、自然交互和个性化三大特点,以提高个人查找信息的效率以及快速开发PIM为目的,本文从个人信息的组织模式、PIM的实物界面隐喻、信息标签以及PIM的开发框架等关键技术上进行了研究。 本文首先介绍了PIM的研究发展现状,引出了当前对PIM研究的必要性和重要性。从个人日常对信息的需求过程分析,结合活动理论,研究了以活动为中心的个人信息的组织模式,提出了基于活动的信息项之间的相关度计算方法;接着讨论了适合笔式PIM的实物界面隐喻RSFDPF;通过分析个人信息特有的个人主观性属性,研究了个人主观的标签技术,以提高个人同信息交互的自然性以及查找信息的效率;最后针对笔式PIM的开发方法上,提出了基于模型驱动的快速开发适合不同人群和应用环境下的笔式PIM开发框架。 在本文所开展的对PIM的一些关键技术的研究中,主要的创新点包括: 1 基于活动理论,提出了以活动为中心的个人信息组织 当前的桌面计算机仍然是存放个人信息主要的地方,但是对个人信息的管理还是以应用程序-文档方式,单一的树形层次化结构管理个人信息,造成信息“孤岛”,影响个人执行复杂活动的效率,并且增加了个人记忆的负担。 通过分析用户执行多任务的交互场景,基于活动理论,将任务、任务相关的信息以及任务间的关系统一纳入活动研究的框架,从活动的静态结构、动态演变过程以及活动间的关系三方面对活动进行建模。 在个人完成复杂交互活动过程中,需要涉及多个信息项,由于信息项的在逻辑空间的分布性,造成用户组织、查找信息非常困难。个人信息项之间的相关性对于记忆和查找信息起着重要的线索作用,能够降低个人查找信息的认知努力。信息项之间的相关性不仅体现在信息的内容相似性上,而且隐含在个人对信息的交互活动过程当中,从这两个方面提出了定量计算信息项之间相关性的算法,根据个人活动模型,将参与活动的个人信息进行统一组织管理。 2 提出了笔式PIM的实物界面隐喻RSFDPF和基于主观方法的信息标签 当前层次结构化目录仍然是个人信息管理的主要方式,但是对于在笔交互环境中,已经严重影响了交互的自然性。 为了提高笔式PIM交互的自然性,通过分析个人在物理信息空间的办公室场景中处理个人信息的过程,将实物引入到界面中,建立了笔式PIM的实物界面隐喻:室-架-夹-桌面-堆-件(RSFDPF),并对其进行了描述;另外,通过分析物理信息空间中个人对个人信息的主观属性,包括:个人对信息的看法、重要性等,提出将用户主观属性通过自然的笔式交互方式添加到个人信息之上,以提高个人查找和分类信息的效率。 3 提出了一种基于模型驱动的PIM开发框架 随着无所不在计算的日益发展,PIM被应用在越来越多的交互设备之上,其中笔式交互设备以其自然交互的特征和便携轻巧的物理特性迅速成为了新一代主流应用,但是笔式PIM需求的多样性、突出的个性化、应用设备和平台的差异性等特征,增加了开发笔式PIM的复杂度,如何缩短系统的开发周期,保证需求和实现的一致性以及系统的可扩充性和可移植性成了笔式个人信息管理系统开发的关键问题。 提出了一种基于模型驱动的开发笔式PIM的开发框架,建立了笔式PIM的开发模型和开发流程。 4 构建了面向研究工作者的笔式PIM原型 针对于研究者们进行的研究活动的大部分过程具有创造性和随意性以及所需要的信息组织具有非结构化和结构化混合等特点,基于模型驱动的PIM开发框架,构建了面向研究工作者的笔式PIM原型。

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为满足移动环境对非结构化个人信息管理的自然性和高效性的需求,提出一个基于移动设备的个人信息管理系统Ruby.首先分析了移动环境对个人信息管理的需求,描述了系统框架,接着介绍了系统界面和交互过程,并阐述了支持该系统的2个主要技术:非结构化笔记编辑技术和基于笔迹标签的检索技术.对2个技术和整个系统的评估结果表明,该系统能够满足移动环境对自然交互、非结构化信息采集加工及个人信息自然检索的需求.

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Abstract With the Development of the West Regions, the contradiction between economy and geological hazards was once again brought to our face in the Loess Plateau where was ,and is liable to geological hazards for the unique conditions of geology, hydrogeology, geography and meteorology. The goal to realize harmonious development between human and the earth was always there, and landslide hazard zoning provided us an effective way against geological hazards and damage. In the background of the construction of 750KV transformer substation in TianShui, we summarized some theories, methods and development of landslide hazard zoning and discussed the application of information value model in landslide hazard zoning. A called “judgement matrix” like in AHP was introduced to the information value model to solve the key point of landslide hazard zoning — choice of factors and weight of each factor. GIS was applied in the landslide hazard zoning, with its comprehensive function on data management, spatial analysis and mapping. A zonation map of landslide hazard was worked out on MAPGIS aimed to have something of reference and instruction on the construction of the transformer substation. Key words: landslide; hazard zoning; information value model; GIS; judgement matrix

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Through years of practice, reservoir management has already become the basic mode of foreign oil companies to realize the high-efficient development of the oil field. From the view of reservoir development and technological economy, reservoir management regards the study of the reservoir engineering, designs of reservoir projects and the dynamic analysis of the reservoir's performance as a system. In the fields of reservoir description, the establishment of the geological models and development models, the dynamic simulations of reservoir exploitation and the design of the oil engineering, reservoir management emphasizes the cooperation of the geology and the engineering, the combination of the engineering technology and the economic evaluation. In order to provide the means and basis for the reservoir geology study, reservoir evaluation, reserves calculation, numerical simulation, development plan and risk analysis, it adopts the reservoir management activities(team work) to make and implement the optimized oil field development management strategies so that secientific and democratic decision making can be achieved. Under the planned economic system for a long time, the purpose of Chinese reservoir development has been to fulfill the" mandatory" production task. With the deepening of the reform, the management organization of Chinese petroleum enterprises has been gradually going through the transition and reforms to the operational entity and the establishment of the mode of oil companies under the socialist market economy system. This research aims at introducing the advanced reservoir management technique from foreign countries to further improve the reservoir development results and wholly raise the economic benefits of Chinese mature land facieses sandstone reservoirs in the later stage of the water flooding. We are going to set up a set of modern reservoir management modes according to the reservoir features, current situation and existing problems of GangXi oil field of DaGang oil company. Through the study and implementation of the reservoir description and numerical simulation technology effectively, we plan to work out integrated adjustment projects, to study the related technology of oil recovery; to set up the effective confirmable data procedure and data management system of the reservoir management, to establish the coordinated model and workbench related to geology, engineering and economy in order to realize the real time supervision and evaluation on the process of reservoir development. We hope to stipulate modernization management tools for GangXi oil fields to rationally utilize various kinds of existing technological methods and to realize the economic exploitation and achieve the maximum benefits from the reservoir. The project of the modem reservoir management will be carried out on the GangXi oil field of DaGang oil company for this oil field is typical and has integrated foundamental materials and perfect networks. Besides, it is located in the good geographical position enjoying very convenient traffic. Implementing modern reservoir management will raise the recovery ratio, reduce the production cost and improve the working efficiency. Moreover, the popularization of modern reservoir management will improve the comprehensive benefits of DaGang oil company and even the whole Petro China. Through the reserch of this project, the following technical indicators can be reached: Establishing the concept of modern reservoir management. Establishing a set of integrated data information management system adapt to the features of GangXi reservoir. 3. Forming technical research modes of modern reservoir management suitable for mature reservoirs in the later developing stage. 4. Advancing projects of GangXi reservoir which are maxium optimized in engineering technique and economic benefits of oil exploitation. Besides, this set of technology, research principle and method can guide the mature reservoir of DaGang oil field and even the whole PetroChina to develop the further research of reservoir adjustment and improve the reservoir recovery factor and developing level constantly.

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Study of 3D visualization technology of engineering geology and its application to engineering is a cross subject which includes geosciences, computer, software and information technology. Being an important part of the secondary theme of National Basic Research Program of China (973 Program) whose name is Study of Multi-Scale Structure and Occurrence Environment of Complicated Geological Engineering Mass(No.2002CB412701), the dissertation involves the studies of key problems of 3D geological modeling, integrated applications of multi-format geological data, effective modeling methods of complex approximately layered geological mass as well as applications of 3D virtual reality information management technology.The main research findings are listed below:Integrated application method of multi-format geological data is proposed,which has solved the integrated application of drill holes, engineering geology plandrawings, sectional drawings and cutting drawings as well as exploratory trenchsketch. Its application can provide as more as possible fundamental data for 3Dgeological modeling.A 3D surface construction method combined Laplace interpolation points withoriginal points is proposed, so the deformation of 3D model and the crossing error ofupper and lower surface of model resulted from lack of data when constructing alaminated stratum can be eliminated.3D modeling method of approximately layered geological mass is proposed,which has solved the problems of general modeling method based on the sections or points and faces when constructing terrain and concordant strata.The 3D geological model of VII dam site of Xiangjiaba hydropower stationhas been constructed. The applications of 3D geological model to the auto-plotting ofsectional drawing and the converting of numerical analysis model are also discussed.3D virtual reality information integrated platform is developed, whose mostimportant character is that it is a software platform having the functions of 3D virtualreality flying and multi-format data management simultaneously. Therefore, theplatform can load different 3D model so as to satisfy the different engineeringdemands.The relics of Aigong Cave of Longyou Stone Caves are recovered. Thereinforcement plans of 1# and 2# cave in phoenix hill also be expressed. The intuitiveexpression provided decision makers and designers a very good environment.The basic framework and specific functions of 3D geological informationsystem are proposed.The main research findings in the dissertation have been successfully applied to some important engineering such as Xiangjiaba hydropower station, a military airport and Longyou Stone Caves etc.

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Guangxi Longtan Hydropower Station is not only a representative project of West Developing and Power Transmission from West to East in China, but also the second Hydropower Station to Three Gorges Project which is under construction in China. There are 770 X 104m3 creeping rock mass on the left bank slope in upper reaches, in which laid 9 water inlet tunnels and some underground plant buildings. Since the 435m high excavated slope threatens the security of the Dam, its deformation and stability is of great importance to the power station.Based on the Autodesk Map2004, Longtan Hydropower Station Monitoring Information System on Left Bank has been basically finished on the whole. Integrating the hydropower station monitoring information into Geographic Information System(GIS) environment, managers and engineers can dynamically gain the deformation information of the slop by query the symbols. By this means, designers can improve the correctness of analysis, and make a strategic and proper decision. Since the system is beneficial to effectively manage the monitoring-data, equitably save the cost of design and safe construction, and decrease the workload of the engineers, it is a successful application to the combination of hydropower station monitoring information management and computer information system technology.At the same time, on the basis of the geological analysis and rock mass toppling deformation and failure mechanism analysis of Longtan engineering left bank slope, the synthetic space-time analysis and influence factors analysis on the surface monitoring data and deep rock mass monitoring data of A-zone on left bank slope are carried on. It shows that the main intrinsic factor that effects the deformation of Zone A is the argillite limestone interbedding toppling structure, and its main external factors are rain and slope excavation. What's more, Degree of Reinforcement Demand(DRD) has been used to evaluate the slop reinforce effect of Zone A on left bank according to the Engineering Geomechanics-mate-Synthetics(EGMS). The result shows that the slop has been effective reinforced, and it is more stable after reinforce.At last, on the basis of contrasting with several forecast models, a synthetic forecast GRAV model has been presented and used to forecast the deformation of zone A on left bank in generating electricity period. The result indicates that GRAV model has good forecast precision, strong stability, and practical valuable reliability.