Imported corba , the client / server structure of search engine becomes distributed structure with three layers . this system structure puts importance on distributed computation on application server , and then has good expansibility , opening feature , high computation speed , it also benefits to reduction of server load and net delay 这种分布式体系结构为适应搜索引擎向智能化、个性化发展的特点,强调应用程序服务器端实行分布式计算,因而具有良好的开放性、扩展性、集成性和较高的计算速度,对减少服务器的负载,减少网络延迟,提高速度和效率的也有一定的作用。
As a kind of software entity that has social knowledge and works automatically according to self - mental state , agents operate and collaborate mutually among the mas as well , contributing to provide a substantial support for the open and flexible distributed computation and cooperation environment 系统提供具有社会和领域知识,能依据心理状态自主工作,并具有语义互操作和合作行为协调能力的软件实体,不仅为实施紧凑一致的协同工作提供有力的支持,也为建立面向分布计算的开放性、可重构和可伸缩的新型计算环境建立了基础。
To ensure system open , extensible and flexible on the platform of development , the article offers one kind of new mode of framework . it is based on the study of the most popular distributed computation platform j2ee , combined with various kinds of web technology and according to the requirement of true time system 在开发平台上,为了保证系统的开放性、可扩展性和可伸缩性,基于对目前最流行的分布式计算平台j2ee ( java2企业版)的研究,结合多种web技术,根据实时系统的要求,本文提出了一种新的框架模型。
In this paper , we presented a kind of pga which is based on distributed computation of the network for solving identical parallel machine scheduling problem with constraint , and computational results show that endga can not only save the optimization time evidently but also largely improve the optimization quality , which provides an effective solution to massive complicated optimization problems 在本文中,我们实现了一个解决带约束条件的并行多机调度问题的分布式网络pga 。实验表明, endga能显著节约寻优的时间,大大提高寻优的质量,为解决巨量优化问题提供一个可行的解决方法。
The article exposes the grid gis structure , with the study of criterion of international open gis consortium and other standardized organization , analyze the structure of grid gis and the category of space information services ; under the system framework of middleware , the article put forward the grid gis software framework , and analyzes the technology of distributed computation and component gis ; according to the key study of grid gis integration in different distributed computation environment , the article advances grid gis software system structure that suitable to the distributed information integration platform ; based on the study of interoperation of distributed grid gis component and the integration technology of gis and model in multiple tier computation framework , the article puts forward and designs the integration method of gis and model in grid environment 本文剖析了网格体系结构,结合国际标准化组织关于gridgis及相关的规范的研究,分析了gridgis服务组成结构和其空间信息服务类型;在中间件技术的架构下,提出gridgis软件总线架构,并分析了gridgis组件可能采用的分布式计算技术和组件gis技术;通过不同分布式计算环境下面向应用的gridgis集成关键技术的研究,提出适合于分布式信息集成平台的gridgis软件架构;基于分布式gridgis组件互操作技术的研究,结合多层体系结构下gis和模型集成技术的研究,提出并设计网格环境下gis和模型集成的方案。
The distributed structural optimization computing system has been designed and developed on the basis of the distributed computation , the distributed object technology , the computer network , the finite element analysis method , the structural optimization algorithm and other correlation subject researches 分布式的结构优化计算系统是在作者结合分布式计算、分布式对象技术、计算机网络、有限元分析方法、结构优化算法以及其他相关学科研究的基础上设计并开发出来的。
In this article , we compare and analyze the model of distributed computation , the technologies of storage and management of spatial data , the technologies of geographic data transmission in internet , and the methods of developing webgis . combined with the developments of gis and database , a webgis solution is presented , which uses spatial database to manage spatial data and non - spatial attribute data , and uses gml as the transmission format of geographic data in internet . at last , we use java to develop an experimental webgis system , which is based on oracle spatial and gml 本文分析和比较了目前webgis所采用的分布式计算模式、空间数据存储管理技术、数据的网络传输技术以及webgis的各种实现技术的不足,结合当前gis技术和数据库技术的发展,提出了采用空间数据库实现对空间数据和属性数据的统一存储和管理、采用gml作为空间数据的网络传输格式的一种webgis解决方案,并在此基础上使用java实现了一个基于oraclespatial和gml的webgis实验系统。
Based on the flight simulation , distributed computation and visualization technologies , this thesis designs and develops a distributed simulation system called distributed flight simulation environment ( dfse ) , and investigates the theories and technologies involved in the procedure of devising its application subsystem , distributed infrastructure kernel subsystem and interactive interface . as a general - purpose distributed system , dfse is suited to the flight simulation with fine granularity models of an aerospace vehicle , such as a missile , a rocket or a space station , and so on 本文以航空航天飞行器(如导弹、运载火箭、空间站等)为研究对象,结合飞行仿真技术、分布计算技术和可视化技术,设计开发了一套通用的、适宜飞行器系统细粒度仿真的分布式软件体系? ?分布式飞行仿真环境( distributedflightsimulationenvironment , dfse ) ,并系统地研究了dfse系统从应用层子系统设计、分布支撑子系统设计、到交互接口设计的整个过程中所涉及的理论方法和技术原理。
Since the 1980 ' s , theory and application of agent has extended from dai and syncretized and referenced with other fields . agent has been a hot term in the field of distributed computation environment , and agent technology has been one hotspot in the research area of artificial intelligence 从80年代末开始, agent理论、技术研究从dai领域中拓展开来,并与许多其他领域相互借鉴和融合, agent已成为分布式计算环境下的热门术浯, agent技术已成为当今人工智能研究的热点之一。
Then , considering web site ' s characteristics , user and web data ' s diversity and distributed computation characteristics of network , the paper builds a recommendation system model based on web data mining and relates every function module in detail . furthermore the paper integrates all modules in recommendation system model into b / s three layers based on corba criteria : customer layer , server layer , database layer 接着,考虑在internet上web站点的各种特点、用户和数据多样性的特点以及网络处理的分布性,构建了一个基于web数据挖掘的商务网站推荐系统模型,并对系统中各模块的功能给予了详尽的说明,同时用corba规范集成各基于web数据挖掘两务网站推荐系统的研究摘要个模块为一个b s三层结构的推荐系统,将其分成客户层、服务器层和数据层。