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Social Information Architecture IA Retreat Santa Cruz, Chile Nov 11, 2006

Yahoo’s Popular Photos Different actions lead to different patterns Patterns are consistent (but subtle) This is information architecture But! We haven’t described these patterns Need to understand them if we are to create structure from them

Different actions lead to different patterns

Patterns are consistent (but subtle)

This is information architecture

But! We haven’t described these patterns

Need to understand them if we are to create structure from them

Information Architecture is the Structural design of shared information environments

Information Architecture is the

Structural design of shared information environments

Information Architecture is the Structural design of shared information environments Shared design of semi-structured information environments

Information Architecture is the

Structural design of shared information environments

Shared design of semi-structured information environments

Social information architecture User actions create some or all of the structure of an information environment Using the wisdom of crowds to solve the problems of IA Find, use and interact in information environments

User actions create some or all of the structure of an information environment

Using the wisdom of crowds to solve the problems of IA

Find, use and interact in information environments

Three ingredients for social IA Capture User Actions Aggregate and Display Feedback

Capture User Actions

Aggregate and Display

Feedback

User Actions

User Actions Things people do online that we can track Building blocks Popularity Community Reputation Ignore higher goals & motivations

Things people do online that we can track

Building blocks

Popularity

Community

Reputation

Ignore higher goals & motivations

Del.icio.us

Amazon

YouTube

Aggregation & Display Bringing together user actions in a relevant way Displaying them Rules

Bringing together user actions in a relevant way

Displaying them

Rules

Kinds of Aggregation (not an exhaustive list) Listing Ranking Clustering Collaborative filtering Other algorithms

Listing

Ranking

Clustering

Collaborative filtering

Other algorithms

Listing (and prototagging)

Ranking Count an action Order them

Count an action

Order them

Collaborative Filtering

Other Algorithms

Feedback

A feedback loop is a system where outputs are fed back into the system as inputs, increasing or decreasing effects. - Wikipedia

A feedback loop is a system where outputs are fed back into the system as inputs, increasing or decreasing effects.

- Wikipedia

Positive Feedback First, close your eyes Listen for clapping If you hear a clap, you must also clap Try to clap within 0.5 seconds Don’t stop until I say stop

First, close your eyes

Listen for clapping

If you hear a clap, you must also clap

Try to clap within 0.5 seconds

Don’t stop until I say stop

Negative Feedback First, close your eyes Listen for clapping If you hear a clap, you must also clap Try to clap within 0.5 seconds Once you’ve clapped, you can’t clap again for two seconds

First, close your eyes

Listen for clapping

If you hear a clap, you must also clap

Try to clap within 0.5 seconds

Once you’ve clapped, you can’t clap again for two seconds

Positive feedback If someone immediately around you has their hand up, raise your hand For now, ignore empty chairs

If someone immediately around you has their hand up, raise your hand

For now, ignore empty chairs

Negative feedback If the person immediately in front of you or to your left has their hand, raise your hand If they put their hand down, put your hand down

If the person immediately in front of you or to your left has their hand, raise your hand

If they put their hand down, put your hand down

Feedback fuels system

Positive feedback in Digg

Positive feedback in Digg

Places to Intervene (also not an exhaustive list) Introduce delays Modify the strength of feedback loops Who has access to what information? Adjust incentives and punishments Change the system

Introduce delays

Modify the strength of feedback loops

Who has access to what information?

Adjust incentives and punishments

Change the system

Challenges Spam Gaming Balance Relevance Unintended consequences

Spam

Gaming

Balance

Relevance

Unintended consequences

Design Principles Allow for different levels of engagement Monitor and tweak feedback loops Trade-offs: transparency v. gaming Digg started simple, became more complicated to deal with gaming (but also became less satisfying to use) Participate in larger ecosystem YouTube is viral Design new actions, aggregators, display

Allow for different levels of engagement

Monitor and tweak feedback loops

Trade-offs: transparency v. gaming

Digg started simple, became more complicated to deal with gaming (but also became less satisfying to use)

Participate in larger ecosystem

YouTube is viral

Design new actions, aggregators, display

Thanks! Email [email_address] Presentation http://atomiq.org/etc/retreat_social_ia.pdf

Email

[email_address]

Presentation

http://atomiq.org/etc/retreat_social_ia.pdf