Web 2.0 features Collective intelligence Chapter 6 Design for - - PowerPoint PPT Presentation

▶
web 2 0 features
SMART_READER_LITE
LIVE PREVIEW

Web 2.0 features Collective intelligence Chapter 6 Design for - - PowerPoint PPT Presentation

Mar 19, 2024 639 likes •1.09k views

Edit Web 2.0 features Collective intelligence Chapter 6 Design for Collective Intelligence Complex system a system composed of interconnected parts that as a whole exhibit properties not obvious from the properties of the individual

slide-1
SLIDE 1

Edit

Web 2.0 features

Collective intelligence

slide-2
SLIDE 2

Design for Collective Intelligence

Chapter 6

slide-3
SLIDE 3

Complex system ”a system composed of

interconnected parts that as a whole exhibit properties not obvious from the properties of the individual parts.”

slide-4
SLIDE 4

Complex systems in nature

slide-5
SLIDE 5

Ant colonies

slide-6
SLIDE 6

Ecosystems

slide-7
SLIDE 7

Economics

slide-8
SLIDE 8

Traffic

slide-9
SLIDE 9

Immune systems

slide-10
SLIDE 10

Complex systems

  • n the web
slide-11
SLIDE 11

Collective intelligence

“is based on the idea that by aggregating the behavior of many people, we can gain novel insights.”

slide-12
SLIDE 12

Collective intelligence

“even though no individual is right all the time, in the collective a large number of users can be amazingly accurate in their decisions and choices.“

slide-13
SLIDE 13

A live experiment !

Wisdom of the crowd

slide-14
SLIDE 14

What is the weight of one volume

  • f the Encyclopedia Universalis ?

Wisdom of the crowd

slide-15
SLIDE 15

aggregates the collective knowledge of users in a single encyclopedia

slide-16
SLIDE 16

aggregates the collective stories and opinions of readers to provide relevant news

slide-17
SLIDE 17

aggregates the collective

  • pinions of review readers

to determine which reviews are helpful

slide-18
SLIDE 18

aggregates the links and content of web pages to display adequate ones in search results

slide-19
SLIDE 19

aggregates the collective ratings of movie fans to provide recommendations

slide-20
SLIDE 20

content submission content publication

Feedback

How aggregators work

Display Initial action

content evaluation

1 2 3

slide-21
SLIDE 21

1 2 3

news story new, popular digg, share product reviews useful, recent is this helpful? comments web page relevancy links, clicks

  • n results
slide-22
SLIDE 22

content submission content publication

Feedback

Initial action

Display Initial action

content evaluation

Flow of content must be regulated get new content but avoid SPAM

1

slide-23
SLIDE 23

Barrier of entry

Informal - exclude subtly through design that attracts a certain audience Formal - exclude blatantly, requires an account, software

  • r other measures

Extreme - exclusivity, invitation-

  • nly such as asmallworld.com†
slide-24
SLIDE 24

1) Submit a story

slide-25
SLIDE 25

2) Digg verifies if the story has already been submitted

slide-26
SLIDE 26

3) Digg allows you to customize thumbnail and tags 4) Digg checks if you are human

slide-27
SLIDE 27

Tagging content

helps to aggregate content (bookmarks) in additional helpful ways (adding tags)

slide-28
SLIDE 28

content submission content publication

Feedback

Aggregate display

Display Initial action

content evaluation

2

slide-29
SLIDE 29

Content is considered more important if displayed:

On the homepage More often At the top of the page Higher in ranked display

slide-30
SLIDE 30

Digg homepage Digg new story page

slide-31
SLIDE 31

Types of ordering

Chronological R e l e v a n c e S

  • c

i a l User-based views P

  • p

u l a r i t y i n t i m e r a n g e Collaborative filtering Participant ranking

slide-32
SLIDE 32

MusicLab Study

Download songs you like from a list

Control groups Influence conditions

#downloads

[Salganik et al. 2006]

slide-33
SLIDE 33

Results - Self fulfilling prophecy

Early leaders maintained lead Social influence trumped song quality

slide-34
SLIDE 34

Site’s goals and ordering

News site values freshness, search engine value relevance, a social site values relationships

slide-35
SLIDE 35

content submission content publication

Feedback

Feedback

Display Initial action

content evaluation

3

slide-36
SLIDE 36

user ratings

Explicit Implicit

# sales # downloads # bookmarks reviews comments

slide-37
SLIDE 37

Positive & Negative

slide-38
SLIDE 38

Make feedback easy!

slide-39
SLIDE 39

Leverage points

a small shift in one thing can produce big changes in everything

slide-40
SLIDE 40

Leverage points

where is content displayed? w h

  • c

a n p r

  • v

i d e f e e d b a c k ? how does it influence display? w h

  • c

a n s u b m i t ? for how long? i s c

  • n

t e n t

  • k

?

slide-41
SLIDE 41

Conclusion

Social media are complex adaptive systems Their goal is to elicit collective intelligence out of noise Designers can tweak the leverage points of the system to achieve this

slide-42
SLIDE 42