院士给他博士生的一封信
发信人: cercis (meme), 信区: PhD标 题: 张启发院士给他的博士生的一封信发信站: 水木社区 (Sun Mar 22 00:32:42 2009), 站内最近我拜读了各位送交的⑥年度工作计划,仔细推敲后,仍感到有三个方面的问题十分严重: 第一,对课题理解不够,有的根本谈不上理解,做了不止一年,尚未进入角色。 第二,已经完成的工作量严重偏少,博士(有的是从本室硕士上来的)做了几年还未见到可以发表的东西。 第三,在计划中倾向于以最低工作量结束研究。即游击战法。以消耗最少的人力来解决战斗。 这是从纸上看到的。从实验
system of systems 是好书
system of systems 是好书[@more@]
sca jbi 比较
SCA、JBI之比较 SCA最早是由IBM、BEA、Oracle、SAP四大家发起的规范,现在已经有18家成员加入了此规范,包括SUN; JBI是由SUN主导的规范;区别如下(偶在国外的一个论坛上摘来的,就不翻译了,还是原汁原味的好) : 1. Supporters of SCA view JBI as a Java Platform standard that can be helpful in implementing SCA on the Java platform.2. Supporters of JBI view SCA as providing additional service metadata that can help simplify and standardize service composition within the Java Platform
esb
Normal 0 7.8 pt 0 2 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-or
open source gis grass
ddd[@more@]http://grass.itc.it/download/index.php
esb的核心功能由 open source esb in action 定义
ESB core functionality DescriptionLocation transparency The ESB helps with decoupling the service consumer from theservice provider location. The ESB provides a central platformto communicate with any application necessary without couplingthe message sender to the message receiver.Transport protocol conversion An ESB should be able to seamlessly integrate applicationswith different transport protocols like HTTP(S) to JMS, FTP toa file batch, and SMTP to TCP.Message transformation The ESB provide
google对计算机的分类
Algorithms and Theory Artificial Intelligence and Data Mining Audio, Video, and Image Processing Distributed Systems and Parallel Computing Education Human-Computer Interaction and Visualization Hypertext and the Web Information Retrieval Machine Learning Natural Language Processing Operating Systems Profiling and Benchmarkin
别把问题留给领导
不要动不动就从业务开始分析,试图改变业务。IT是服务,业务现状不是你所能触及到的。业务信息的组织结构也不可能改变。就是要依据现在的组织模式。[@more@]
infrastructure as a service
云计算iaas 有关系Nimbus is an open source toolkit that allows you to turn your cluster into an Infrastructure-as-a-Service (IaaS) cloud. Feature highlights include: Two sets of Web Service interfaces: Amazon EC2 WSDLs and Grid community WSRF, read more about interfaces... Implementation based on the Xen hypervisor (KVM coming soon), read more about supported virtualization technologies... Can be configured to use familiar schedulers like PBS or SGE to schedule virtual machines, rea
完整性与完备性的区别
哥德尔完备性定理完整性,暂时没有通用定义[@more@]w
读诸葛海 语义网格 理论 模型与 方法
网络资源(信息、知识和服务)的特性是复杂、异构、海量、分散和动态。围绕网络资源有效共享存在三个关键科学问题1. 规范重构,它们提出资源空间模型。并提出规范组织是自组织问题,并是关键问题。2. 语义互联,语义链网络模型,实现语义互联3. 智能聚融,提出流模型,语义社区,实现优化.[@more@]