250 likes | 343 Vues
Internet Searching. How Should I Search?. Internet Basic. World Wide Web (Standard). Connection of computers Massive information retrieval system No control over content or standards WWW is part (NOT ALL) Email (SMPT) FTP IM (Peer 2 Peer) WWW allows (HTTP) Audio Graphic Videos.
E N D
Internet Searching How Should I Search?
World Wide Web (Standard) • Connection of computers • Massive information retrieval system • No control over content or standards • WWW is part (NOT ALL) • Email (SMPT) • FTP • IM (Peer 2 Peer) • WWW allows (HTTP) • Audio • Graphic • Videos Email FTP IM
Connection • Website = Web server • Web server = IP = URL • B&S = 216.239.51.99 = www.mybsc-wi.com • Root folder on server (Home page) • Root folder hyperlinks to OTHER pages on website. W/O hyperlinks you would have to know the IP address of each page • IP (#) = URL (Words) • Like House had unique address (mail) uses unique address • 216.239.51.99
Web 2.0: User Shift Consumer to Producers Shutter fly
Browsers and coding • Software • Job is to display Webpages • As we get better/advanced browsers we can do more <p><ahref="http://www.jsonline.com/index/index.aspx?id=1" class="fxd">Main Page</a></p> <p><ahref="http://www.jsonline.com/index/index.aspx?id=3" class="fxd">Milwaukee</a></p>
Search Engine Defined • Just a Webpage • Database of cataloged sites (indexed) • Interface that allows you to search database • User entered Keyword • Does Not access the entire Web
SE and Keyword • Don’t think: no weeding • Match letters and word (user and index) • Webpage designer makes keyword • No standards or editing • Dependent on “character” of web designer • Searcher must “trust” web designers
Search Engines care about me? $$$$$ Yahoo Database
Some Tools • Use Specific keywords • Keyword Placement • Phrase searching • Advance searching • Filtering • Boolean operators
Hidden/Invisible Web • Search engine only index homepage • Cannot index Databases • Other Search Engines • Best Information on the Web • Access • Quality
Subject Guides • Subject Tree • Hierarchy Organization • Broad Narrow • General Specific • Drilling Down • Selective Inclusion • Trailblazer Pages • LII • Yahoo
Science • Energy • Renewable • Wind