Search Engines and Portals

1
Chapter 6

• Search Engines and Portals

2
Agenda

• Search engines
• Intelligent network agents
• Portals
• Discussion

3
Search Engines

• Online service
• Program
• Usage
• Add information
• Improving search position
• Type

4
Online service

• Crawlers (World Wide Worm) database with web
  contents
• Web directories webmaster or directory
  maintainer
• Meta search engines database with search engines

5
Program

• Name
• Crawlers
• Robots
• Spiders
• Function
• Update database
• Site mirroring activities reduce load
  information copying
• Robot Exclusion Standard
• User-agent
• Disallow /cgi-bin/

6
Usage

• Crawlers
• Large number of web page with many different
  aspects
• Directories
• Some good pages
• Meta search
• Mixture of the above

7
Adding Information

• Webmaster submission
• Search keywords by crawler
• Web contents
• Title of web page
• Domain name
• URL
• Number of links pointing to the page

8
Improving Search Position

• Meta-data (keywords) in meta-tags within the
  head-tag
• Check the higher ranked web-sites contents and
  HTML codes
• Tracking and advice programs
• Update and Resummit

9
Type

• Keywords
• Natural language
• Image search
• Multi-languages
• Cross-language translation
• Multi-lingual

10
Agenda

• Search engines
• Intelligent network agents
• Portals
• Discussion

11
Intelligent Network Agents

• Name
• Knowbots little robots that gather information
  on a network
• Functions
• Collect update data
• Classify data
• Types
• E-mail
• News
• Personal shopping

12
Agenda

• Search engines
• Intelligent network agents
• Portals
• Discussion

13
Portals

• Definition
• Type
• Feature

14
Definition

• World Wide Web site that is or proposes to be a
  major staring site for users when they connect to
  the Web or that users tend to visit as an anchor
  site
• Fast, reliable and simple to use site for news,
  information, links, and services

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Type

• Groups
• Online services
• Search engines and directories
• Software distribution sites
• Sites offering free services
• Types
• Horizontal (different topics)
• Vertical (particular audience)

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Feature

• Interesting and unique content
• A good search engine
• Easy navigation
• Zones (channels or guides)
• Add useful services
• Web space
• Free e-mail
• Chat rooms
• Newsgroups
• Free software
• Entertainment and/or game
• Online shopping
• Up to date news
• Online help

17
Agenda

• Search engines
• Intelligent network agents
• Portals
• Discussion

18
Discussion

• How do you use search engine, intelligent agent
  or portal in your e-business?

19
Points to Remember

• Search engines
• Intelligent network agents
• Portals
• Discussion