Human-computer Interaction. Web Portal Services

1

Human-computer Interaction.

Web Portal Services.

Julia PavlovaDepartment of Mathematical Modelling of Energetic Systems,Faculty of Applied Mathematics and Control Processes,St.-Petersburg State University

Course 6. Next-Generation User-Centered Information Management.

JASS 2005

Julia PavlovaHuman-computer Interaction.

Web-portal services.

2

Outline1.1. Web-portalsWeb-portals2. Architecture. Portal-specific

components3. Enterprise edition portals4. Blogs5. Wiki6. Conclusion

OverviewHuman-computer Interaction.

Web-portal services.Julia Pavlova



Outline

3

Web-portals A portal is such a web-site whose purpose is to be a major

starting point for users when they connect to the Web.





How does a typical

portal look like?

Web-portals

DefinitionAppearance

TypesProvided services

4

Web-portals







Portals integrate different applicationsdifferent applications (content), which are usually presented in rectangular areasrectangular areas on the screen.

They provide usersusers with built-in support for customizationcustomization and single single sign-on sign-on mechanisms.

Content examples:

news

stock quote

e-mail

phone & map info

community forum

5

Web-portals







Portals:

Public (Yahoo.com, Garden.com, Fool.com)

Private (corporate desktop, IBM, MasterCard)

General (Yahoo, CNET, AOL, MSN)

Specialized (eBay, ChemWeb)

6

Web-portals







Portals can be different but have something in common.

All portal implementations are provided with such services as:

• customizationcustomization

• content aggregation

• content syndication

• multi-device support

• single sign-on

• portal administration

• portal user management

7

Web-portals









• customization

• content aggregationcontent aggregation



• single sign-on



8

Web-portals









• customization


• content syndicationcontent syndication


• single sign-on



9

Web-portals









• customization



• multi-device supportmulti-device support

• single sign-on



10

Web-portals









• customization




• single sign-onsingle sign-on



11

Web-portals









• customization




• single sign-on

• portal administrationportal administration


12

Web-portals









• customization




• single sign-on


• portal user managementportal user management

13

Outline1. Web-portals

2.2. Architecture. Portal-specific Architecture. Portal-specific componentscomponents

3. Enterprise edition portals4. Blogs5. Wiki6. Conclusion





Outline

14

Portal-specific componentsand architecture





PortletLocal

RemoteWSRP

Portlet is a specialized context area that occupies a small window on the portal page.

local portlet

remote portlet

Enterprise portal = a set of program technologies that defines enterprise platform.

Be careful with choosing platform vendor because it will affect the process of data integration.

15






PortletLocal

RemoteWSRP

- How can applications be integrated into Portals?

- Via local portlet (portlet is executed in the portal server) :

16






PortletLocal

RemoteWSRP

- How can applications be integrated into Portals?

- Via remote portlet 1. portlet is executed on the remote server and is recognized as web-serviceweb-service

2. portlet = remote programremote program

17






PortletLocal

RemoteWSRP

- What conclusion can be done?

To integrate application into Portal it is necessary:

• to create a portlet

• to install application adaptor - on the portal side

• N-applications N-times to repeat the same procedure

• Portal platform and application allow this.

18






PortletLocal

RemoteWSRP

- What conclusion can be done?

To integrate application into Portal it is necessary:

• to create a portlet

• to install application adaptor - on the portal side

• N-applications N-times to repeat the same procedure

• Portal platform and application allow this.

- Convenient?- Looks more like …

19






PortletLocal

RemoteWSRP

2002 - OASIS started developing a standard for WWeb-SServices for RRemote Portlets.

WSRPWSRPbenefitsbenefits

ContentContentproducersproducers

ContentContentaggregatorsaggregators

PortalsPortals(Content consumers)(Content consumers)

End-usersEnd-users

access access to services

nono service-specific codecode

control the codecontrol the code of content presentation

Reduce problem of updates

the most execution-

sensible environment sensible environment

for content hosting

high ratehigh rate for content source integration into pages

20






PortletLocal

RemoteWSRP

- How does WSRP integrate applications into Portals?

21

Outline1. Web-portals2. Portal-specific components

3.3. Enterprise edition portalsEnterprise edition portals4. Blogs5. Wiki6. Conclusion





Outline

22

Enterprise Edition Portals





JPSImplementations

JJava PPortletortlet S Specificationpecification

because JPS 168 does• simplify portlet development

• enable developers to create plug-able components

• these components run on any compliant J2EE portal server

Portal vendors are no longer lock-in for portlet developersPortal vendors are no longer lock-in for portlet developers

aims to achieve interoperability between portals and portletsaims to achieve interoperability between portals and portlets

23

Enterprise Edition Portals





JPSImplementations

Enterprise Portal Implementations

bet high for their portal/portlet creation tools

OPEN SOURCE

LifeRay

eXo

(Apache) Jetspeed Jetspeed

uPortal

COMMERCIAL PORTALS

(IBM) WebSphere

(BEA) WeblogicWeblogic

Oracle

(MS) Sharepoint

Vignette BuilderVignette Builder

In 3 yearsIn 3 years

80%80%

IBM and MSFTIBM and MSFT

24

1. Web-portals2. Portal-specific components3. Enterprise edition portals

4.4. BlogsBlogs5. Wiki6. Conclusion





Outline

Outline

25

Blogs





DefinitionRemarks

Blog. Open up communication horizon!Blog. Open up communication horizon!

on-line diaryon-line diary read by everyoneread by everyone

Last postsLast posts

User’s profileUser’s profile

ArchiveArchive

Useful web-linksUseful web-links

abbreviation for “we“web logb log""

26

Blogs





DefinitionRemarks

Blog. Open up communication horizon!Blog. Open up communication horizon!- What can I do with Blog?

publish thoughts and get feedbackpublish thoughts and get feedback

find peoplefind people

carry out community supportcarry out community support

subscribesubscribe

more simple technical and logical structure (then portals)more simple technical and logical structure (then portals)

easy to get alongeasy to get along

(can be) additional portal content(can be) additional portal content

… … final comments about blogs …final comments about blogs …

27

1. Web-portals2. Portal-specific components3. Enterprise edition portals4. Blogs

5.5. WikiWiki6. Conclusion





Outline

Outline

28

Wiki





Hawaiian “wiki wiki” “wiki wiki” means “quick” “quick”

If we don’t need corporate desktopdon’t need corporate desktop but nevertheless our organization demandsdemands for proper and technologically advanced communicationadvanced communication..

Definition“Open Editing”

WikiWiki is server software database that offers

on-line availablity

simple syntax

quick internal hiking

user “democracy”

WIKIWIKI

29

Wiki





Definition“Open Editing”

- What is “Open Editing” concept?- What is “Open Editing” concept?

No matter how technical you are.

Being a registered user you are allowed to create and edit any page in a Web-site.

WIKIWIKI

30

1. Web-portals2. Portal-specific components3. Enterprise edition portals4. Blogs5. Wiki

6.6. ConclusionConclusion





Outline

Outline

31

Conclusion





PORTALS

• are an application, which aggregates portlet applications together in a presentablepresentable format

• provide users with customizationcustomization and single sign-onsingle sign-on services.

Now you know that

32

Conclusion





If U want 2 X-press Urself

Use BLOGS!

Don’t keep inside if you have smth to be said to the audience.

Use WIKI!

Community must have communication. Create on-line data-base.

33OverviewHuman-computer Interaction.




Vielen Dank fur Vielen Dank fur eure eure

Aufmerksamkeit!Aufmerksamkeit!

Большое спасибо Большое спасибо за ваше внимание !за ваше внимание !

Documents

Human-computer Interaction. Web Portal Services