NUWebANewWebSystem.pptVIP

NUWebA New Web System Sun Wu NUWeb Team 2007/05/20 Birth of WWW 1989 Berners-Lee: WWW proposal Proposed a networked hypertext information system, Later, modified to: HTML HyperText Markup Language HTTP, HyperText Transfer Protocol URI, Uniform Resource Indicator 1993: MOSAIC, (National Center for Supercomputing Applications, U. Illinoi, led by Marc Andreessen. ) 1994: Netscape, Yahoo, WebCrawler, Lycos, … The year the www revolution sweeps over the world WWW Architecture Web Server (e.g., Apache, IIS) Browser (e.g., IE, Firefox) Addressing and Information Channel (DNS, URL, SearchEngine) Abstract Model: Provider (server), Consumer (client), Channel Client-Server architecture, Centralized Service Factors WWW so successful Marriage of Hypertext to the net Free and Open When WWW starts to boom, Gopher starts to charge. The introduction of Multimedia UI: MOSAIC A unsung hero: The design of CGI makes the WWW a service provision platform, rather than only an information provision plaftorm. … Pre-WWW history Internet is popular in academic only Mail, BBS, NewsGroup, ListServer, Talk, IRC, anonymous ftp, Gopher, Archie, WAIS, Hypertext, SGML in Document Processing - WWW is a mile-stone integration of the existing concepts to create a new model of information system. Staring Techs/Services after 1994on the Web Java, Javascript, ASP, Perl, PHP, MySQL, RoR, … Search Engines, Cache, Proxy, Portals, info agents WebMails, Web-based community… EC, E-learning, Info-Matching, (ex. Job-matching), … EIP, KM, Web-Apps, Internet Appliance, etc., … Information Security: Firewall, antispam, antispyware, content filtering, … Authoring systems/services/tools: Dreamweaver, frontpage, … Blog, wiki, web-based editors, CSP: community service provider Blog, Wikipedia, YouTube, Flickr, … Semantic Web, WebMining, InfoExtraction, XML, CSS, DHTML, AJAX … Birth of P2P P2P is another history-making innovation that brings tremendous impact on the information age 1996 ICQ, 1999 Napst