Post on 02-Jan-2016
description
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
IM
FTP
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
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
1. Just a Webpage2. Database of cataloged sites (indexed)3. Interface that allows you to search
database4. 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
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