Augmented information assimilation social and algorithmic web aids for the information long tail
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Augmented information assimilation : social and algorithmic web aids for the information long tail. Brynn M. Evans Stuart K. Card UCSD PARC. April 9, 2008 CHI 2008: Florence, Italy. information overload?. 1,000,000,000. Global per capita content. 100,000,000.

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Augmented information assimilation social and algorithmic web aids for the information long tail

Augmented information assimilation:social and algorithmic web aids for the information long tail

Brynn M. Evans Stuart K. Card

UCSD PARC

  • April 9, 2008

  • CHI 2008: Florence, Italy


Brynn m evans stuart k card ucsd parc

information overload?

1,000,000,000

Global per capita content

100,000,000

10,000,000

1,000,000

100,000

Megabits

10,000

1,000

Human Long-term Memory Capacity

100

10

1

2000

2005

2010

2015

2020

2025

2030

2035

2040

Year

  • 600 Million GB of information/year → 36 Billion GB by 2009

  • 93% is digital

  • ~8 Billion public web pages already


Brynn m evans stuart k card ucsd parc

information abundance!


Brynn m evans stuart k card ucsd parc

Source: http://longtail.com


Brynn m evans stuart k card ucsd parc

economics of abundance

… A rabbit-rich world is a lettuce-poor world, and vice versa.

The obverse of a population problem is a scarcity problem, hence a resource-allocation problem. There is only so much lettuce to go around, and it will have to be allocated somehow among the rabbits …

Herbert Simon


Brynn m evans stuart k card ucsd parc

economics of abundance

Similarly, in an information-rich world, the wealth of information means a dearth of something else: a scarcity of whatever it is that information consumes.

What information consumes is rather obvious; it consumes the attention of its recipients.

Hence a wealth of information creates a poverty of attention, and a need to allocate efficiently among the overabundance of information sourcesthat might consume it.

Herbert Simon

Simple way to measure attention is time spent on something.


Brynn m evans stuart k card ucsd parc

conserving attention

Aggregated blog sites…

RSS aggregators…

Recommendation systems (amazon.com)

Algorithmic Boost

Search engines…

Social bookmarking…

Social Boost


Brynn m evans stuart k card ucsd parc

How are people using these technologies to augment their everyday information assimilation?


Brynn m evans stuart k card ucsd parc

The SEIC model (Nonaka & Takeuchi)

Tacit knowledge becomes explicit by observing technology usage in the context of a task.


Brynn m evans stuart k card ucsd parc

subject sample

demographics

primary systems (#users)

del.icio.us (3)

Ma.gnolia (2)

Simpy (1)

Google Notebook (2)

Scrapbook (1)

Google Reader (1)

MediaWiki (1)

N = 11, 3 females

age range: 18-43

mean age: 31 yrs

half professionals

half students


Brynn m evans stuart k card ucsd parc

recording sessions

in the laboratory

from the home


Brynn m evans stuart k card ucsd parc

interviews

Source: Eelco Kruidenier


Brynn m evans stuart k card ucsd parc

coding video


Brynn m evans stuart k card ucsd parc

coding a segment of video…


Brynn m evans stuart k card ucsd parc

coding a segment of video…


Brynn m evans stuart k card ucsd parc

systems


Brynn m evans stuart k card ucsd parc

people do more than just read

sharing

other

browsing

reading

annotating

correlations


Brynn m evans stuart k card ucsd parc

small number of general, online tasks

staying up-to-date

e.g., looking at news, Flickr photos

monitoring specific topics

e.g., furniture on Craigslist, updates on the iPhone

specific searches

e.g., e-discovery, rugby, hotels

refinding old information

e.g., last year’s poster tips

social distribution and influence

e.g., sharing information with various communities


Brynn m evans stuart k card ucsd parc

information diet conforms to

a personal long tail


Brynn m evans stuart k card ucsd parc

long tail information diet


Brynn m evans stuart k card ucsd parc

basic process of information assimilation


Brynn m evans stuart k card ucsd parc

intention: saving for self


Brynn m evans stuart k card ucsd parc

intention: self + others


Brynn m evans stuart k card ucsd parc

intention: sharing with others


Brynn m evans stuart k card ucsd parc

lowering system costs increases sharing

intended recipient:

Ma.gnolia

Google Reader

Ma.gnolia

Google Notebook

Media Wiki

Google Notebook


Brynn m evans stuart k card ucsd parc

conclusions

Information assimilation is more than foraging,

also organizing and sharing

People use social and algorithmic tools

to reduce attention to take advantage

of information abundance


Brynn m evans stuart k card ucsd parc

conclusions

transactional costs --

user participation ++

information

assimilation ++

attentional costs --

social filtering ++


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