portals ,information sources, MLISC

1. Lekshmi.A.L
S2 ,MLISc
PORTALS

2. What is PORTAL
 “One specially designed Web page at a
website which brings information together
from diverse sources in a uniform way”.
“A portal represents a website that
provides a single point of access to
applications and information”.
 “A portal is a unified gateway to several
dynamic information sources”.

3. FEATURES
Each information source gets its
dedicated area on the page for
displaying information- a portlet
Variants of portals
-Mash up (web application hybrid)
-intranet “dash boards”(for
executives and managers)

4. FEATURES
The extent to which content displayed in
a uniform way depend on
-intended user
-purpose
-diversity of the content
Portal may use a search engine API to
permit users to search intranet content.

5. FEATURES
Services offered:
-e-mail
-news
-stock quotes
-information from databases
-entertainment content

6. Early public web portals
AOL
Excite
Netvibes
iGoogle
MSN
Naver
Lycos
Indiatimes
Rediff
Sify
Yahoo!

7. CLASSIFICATION
1) HORIZONTAL PORTAL
2) VERTICAL PORTAL( Vortal )

8. HORIZONTAL PORTAL
Platform to several
companies in the same economic
sector or to the same type of
manufacturers or distributers.

9. VERTICAL PORTAL
 Specialized entry point to a specific market or
industry niche, subject area or interest
Vertical Information Portals (VIPs) provide;
- news
- editorial content
- digital publications
- e-commerce capabilities
Dynamic multimedia applications;
- social networking
- video posting
- blogging

10. TYPES
1. Personal portals
2. Government web portals
3. Cultural portals
4. Corporate web portals
5. Stock portals
6. Search portals
7. Tender portals
8. Hosted web portals
9. Domain-specific portals

11. PERSONAL PORTALS
Web page at a website on the World Wide
Web or local HTML home page including
Javascript
Typically provides personalized
capabilities to its visitors or its local user
and the pathway to other content

12. PERSONAL PORTALS
Designed to use distributed applications,different
numbers and types of middleware and hardware
Provide services from a number of different
sources and may run on a non-standard local web
browser
Eg :
contents presented on PCs, PDAs and
cell phones

13. GOVERNMENT WEB PORTALS
 Included primary portals to the governments
and portals developed for specific audiences
Eg:
• australia.gov.au
• india.gov.in
• National Resource Directory
• saudi.gov.sa

14. CULTURAL PORTALS
 Aggregate digitized cultural collections
of galleries, libraries, archives and
museums
 Provide a point of access to invisible
web cultural content that may not be
indexed by standard search engines

15. CULTURAL PORTALS
 Usually based around a specific national or
regional groupings of institutions
E.g.:
-Digital NZ
-Europeana
-Trove

16. CORPORATE WEB PORTALS
 Common during 1990s
 Include workflow management
,collaboration between work groups, and
policy-managed content publication

17. CORPORATE WEB PORTALS
 Allow internal and external access to
specific corporate information using
secured authentication or single sign-on
 Offers customers and employees self -
service opportunities

18. STOCK PORTALS
 Known as stock share-portals,stock
market portals or stock exchange
portals
Web-based applications that facilitates
informing the share-holders with
substantial online data such as the
latest price,ask/bids , the latest
news,reports and announcements

19. SEARCH PORTALS
Aggregate results from several search
engines into one page
Popular search engines are
- Google
- MSN
- Yahoo!
- AOL

20. TENDER PORTALS
 Gateway for government suppliers to bid on
providing goods and services
 Allow users to search, modify, submit, review and
archive data in order to provide a complete online
tendering process

21. TENDER PORTALS
 Online tendering involves
- Receive notification of the
tenders
- Receive tender documents
online
- Fill out the forms online
- Submit proposals and
documents
- Submit bids

22. HOSTED WEB PORTALS
A tool for publishing information and
presenting correlated data from
distributed databases
Include hosted databases,document
management,e-mail, discussion forums

23. HOSTED WEB PORTALS
Automatically personalize the content
generated from hosted web portal
modules to provide a personalized
experience to their users
E.g.:
Hyperoffice.com
Internetportal.com

24. DOMAIN SPECIFIC PORTALS
 Specific to the particular domain
,offering access to related companies
and services
e.g..:
- growth in property portals
- clinical trial specific portal

25. CONCLUSION
Portals are the gateway to
the information. The main concept is to
present the user with a single web page
that brings together or aggregates
content from a number of other systems
or servers. Portal metaphors are widely
used by public library sites for borrowers
for using a login as users and by
university intranets for students and for
faculty.

26. references
 En.wikipedia.org/wiki/web-portal