Subject Information Gateway is just a good way to integrate resources, tools and service of a certain field or many fields, which can offer more convenient and quick approaches for subject information users.
学科信息门户(Subject Information Gateway,SIG)就是基于这样的环境,将特定的一个或者多个学科领域的资源、工具和服务集成,为学科信息用户提供更为方便和快捷的检索和服务接口。
Subject gateway is one of the efficiency means to solve the above illogicality, it borrows the concept and technology of commerce information gateway, and improve on a series of traditional theory and technology of literature management.
At present,information management research mainly focuses on the following subjects:information integration system,new type preference service,personalized information service,information sharing system,library website,digital library,digital communication platform and management innovation.
It suggests constructing reasonable information organization system,standard information navigation system as well as diverse and comprehensive searching system.
A new congestion control scheme of internetworks is presented which uses acknowledgement time-outs and the feedback signal from gateway as indications of packet loss and congestion.
Based on the system architecture and software structure of GMLC (Gateway Mobile Location Center) in 3G (third generation), a new dynamic load-balancing algorithm is proposed.
729 codec in IP telephony gateway, and goes deep into the programming skills on TMS320C6201 DSP and optimizing methods of program code to reduce the speech processing delay time of G.
Due to adopting these optimizing methods and programming skills, we have implemented a high-speed speech codec that can process concurrently 20 voice channels with single TMS320C6201 chip in IP telephony gateway.
The platform is open source at sourceforge.net/projects/gcsf/ and has been deployed in life science gateways by projects such as My WorkSphere, and PRAGMA Biosciences Portal.
The effects of the inhibitors on cadmium and zinc uptake are very different from the effects on calcium uptake, indicating that cadmium and zinc are preferentially taken up through other gateways.
Connections through the Atlantic/Mediterranean gateways and global sea level oscillations are recorded as major unconformities in the depositional record.
Nuclear pore complexes (NPCs) are large supramolecular assemblies that perforate the double-membraned nuclear envelope and serve as the sole gateways of molecular exchange between the cytoplasm and the nucleus in interphase cells.
The network edition advertising of the newspaper industry in China is still at the primarily stage. As a kind of brand-new advertising, it is characteristic of the incomparable advantage which the traditional printing medium lack, and it's wide prospect is immeasurable. No matter its publishing form, exhibition form, exhibition content or its management mode and management environment must be promoted greatly in the future. Hence, the website of those medium should take the advantage of the their powerful b...
Internet in Hong Kong emerged in early 1990s and went to an upsurge in 1999.But the crash of network bubbles in 2000 imposed some impacts on the media in Hong Kong.Since then,network media began to seek other ways of development.Currently,network media develops to support traditional media,to be portals,to be professional and versatile web-sites.
This paper discusses the basic definition and types of invisible Web,analyzes the reasons why it is invisible,and at the same time expatiates the concept,characteristics and development of subject information gateway.On this basis,the paper analyzes the differences and relationship of invisible Web and subject information gateway from various aspects.
门户
gateway 
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