Web 2.0 Patterns and Technologies - Lecture 07 - Web Information Systems (4011474FNR)
LECTURE 5 : WEB 2.0
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Transcript of LECTURE 5 : WEB 2.0
TO INFORM THE STUDENTS WHAT WEB 2.0 IS AND HOW WAS THE
WEB 2.0 CREATED , THE KEY IDEAS ON IT, THE TECHNOLOGY AND ALSO
THE RELATION OF IT WITH EDUCATION
• WEB 2.0 WAS TERMED FIRST COINED IN 2005 BY TIM O’REILLY AND IT WAS A DIFFERENT THING FOR
DIFFERENT PEOPLE.• BEFORE, THE WEB WAS USUALLY
ONE WAY AND NO FEEDBACK IS GIVEN BY THE USERS.
• THERE WAS ALSO A DIFFERENCE BETWEEN THE PUBLISHERS AND
THE CUSTTOMERS.• TOOLS WERE LIMITEDIN FEATURES ANDINTERACTIVITY
USERS CONTENT
POWER OF THE CROWD
DATA ON EPIC SCALE
ARCHITECTURE OF
PARTICIPATION
NETWORK EFFECTS
OPENNESS
• IT ALLOWS USERS TO CREATE THEIR OWN CONTENTS FOR PUBLICATIONS SUCH AS BLOGS AND SOCIAL NETWORRKING SITES.
• MOST USERS GO FOR MUSIC AND MEDIA.• EVERY USER HAS THEIR OWN RIGHT “TO SAY” AND
“TO KNOW” ABOUT THE WEB.• WHAT MOTIVATES THE USER TO UBLISH WHATEVER
ON THE WEB ARE MONEY AND REPUTATION.
• MORE HEADS ARE BETTER THAN ONE DEFINE AS THE CROWD CAN DECIDE WHAT IS THE BEST FOR THEM.
• THIS IDEA IS SUPPORTED OR REFINED BY CONCEPTS SUCH AS:- CROWD-SOURCING- SETI- FOLKSONOMY*FOLKSONOMY IS A USER-GENERATED SYSTEM OF CLASSIFYING AND ORGANIZING ONLINE CONTENT INTO DEFFERENT CATEGORIES BY THE USE OF META DATA.
• DATA PUBLISHED IS HUGE, CAN BE SHARED AND ‘MASH’ABLE.
• TO THIS REGARD, GOOGLE HAS CORE COMPETENCIES IN AREA OF DATA MANAGEMENT AND NETWORKING TRANSFERRINGAT HIGH SPEED.
• DATA CAN BE SHARED VIA API (APPLICATION PROGRAMMING INTERFACES)
• COMMUNITY, COLLABORATION, AND SHARING ARE ENCOURAGED IN WEB 2.0.
• ‘ARCHITECTURE’ AND ‘PARTICIPATION’ ARE EQUALLY EMPHASIZED TO SUPPORT EACH OTHER.
• RELATED TO EPIC DATA AND PARTICIPATION.• EVEN THE DATA IS OPEN, BUT FOR ITS VALUE,
INTELLIGENCE HAS TO BE BUILD TO MAKE SENSE OF THE DATA.
• TO DO THAT, TURNED THE DATA TO INFORMATION, INFORMATION TO KNOWLEDGE.
• WEB 2.0 MAY INCREASE ITS VALUE WHEN MORE USERS USE IT.
• AS AN EXAMPLE, WHEN A USER SHARE ANY BLOG CONTENTS, THE VALUE OF THE CONTENTS WILL INCREASE AS MORE OTHER USERS WILL READ IT.
• SCALE AND TOPOLOGY ARE CONSIDERED BY MANY BECAUSE THEY ARE THE KEY FACTOR IN THE SUCCESS OF THE INTERNET.
• THIS ARCHITECTURE CONNECTS PEOPLE TO CONTENT; PEOPLE TO PEOPLE; CONTENT TO CONTENT ALL THE TIME.
• AS AN EXAMPLE, USERS ARE CONNECTED TO CONTENT IN THE WAY OF CLOUD STORAGE IN THEIR DEVICES.
• WEB 2.0 CAN BE CATEGORIZED AS A QUIET REVOLUTION TOWARDS OPEN SOURCE AND INDEPENDENT METHODOLOGIES AND TOOLS.
• PUBLISHERS MAY NOT SURVIVE IF THEIR SOFTWARES ARE NEEDED TO BE PAID BECAUSE USERS PREFER IT FREE.
• WORDS THAT ARE ASSOCIATED WITH WEB 2.0 ARE AJAX, REST, LIGHTWEIGHT PROGRAMMING AND APIS.
To relate it with education, there is a transition from online consumer to consumer/producer/participant. Online learner is now one of the helpers for the students to study by themselves. The students will no longer rely 100% on the teachers since they can find it within a click.
Apart from that, they may share their information with their peer and friends. This will results in learning together and helping each other.