Networks Orkut Fabricio Benevenuto Tiago Rodrigues Meeyoung Cha Virgilio Almedia Presented by Gregory Peaker Sankalp Kohli Dataset Duration amp Time of Data Is 12 days between March 26 through April 6 2009 representative ID: 572179
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Slide1
Characterizing Online Social Networks Orkut
Fabricio
Benevenuto
, Tiago
Rodrigues
,
Meeyoung
Cha,
Virgilio
Almedia
Presented by Gregory Peaker,
Sankalp
KohliSlide2
DatasetDuration & Time of DataIs 12 days between March 26 through April 6 2009 representative?Mid-terms, Finals, Spring Break?
Is it representing OSN’s?
“
Orkut
had the largest number of users and accounted for nearly 98% of all HTTP requests”
Accidental clicks
Crawl user profiles April 10-17, 2009
Clickstream
data March 26-April 6, 2009Slide3
Why Social Network Aggregator?Why Social Network Aggregator?Biased users?“After discarding non-OSN related log entries, 17% of HTTP requests related to accessing following four OSNs”
Is this an actual OSN aggregator?
User Interface of aggregator can influence user behavior
Is this why
Orkut
accounts 98
%
Data represents 71% from Brazil and 12% from India
Section 2.1.2 – what is “single visit”?Slide4
Data LimitationsExplain the different OSNs better“Linkedin is a network used mainly for professional”How about orkut, hi5,
myspace
?
Session
We know user is connected, but don’t know if actively using OSN or browsing other tab?
How they measure sessions?
SessionID
on server
Leave tab open, and return in hour
Close tab, and return in 10 minSlide5
Flaws in ExperimentSection 5.2Disregards online social network information provided on home pagesWall Posts, Comments, News FeedsSection 4.1“browsing accounted for 92% of all requests”, what is the other 8% of
requests
In same paragraph, “number of users who ever browsed messages was 13 times larger than those who sent messages”
Section 4.2 – “MySpace showed a different profile from
Orkut
”