Post on 19-Mar-2016
description
Designing Search for
HumansProf. Marti Hearst
UC Berkeley
Strata Conference 2012
searchuserinterfaces.com
Consider the Human Feelings
ConversingSociability
Shutterstock: http://www.faqs.org/photo-dict/phrase/3404/emoticons.html
FeelingsAesthetics
Emotional StagesFlow
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Feelings: The Importance of Aesthetics With an aesthetically pleasing design:
People will enjoy working with it more People will persist searching longer People will choose it even if it is less
efficient
Nakarada-Kordic & Lobb, 2005, Ben-Basset et al. 2006, Parush et al. 1998, van der Heijden 2003
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Feelings: The Importance of Aesthetics Small details matter
A left hand side line vs. a box for ads The line integrates the results into the page
Balancing white space with content Balancing font color, shape, and weight
Hotchkiss 2007
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FeelingsKuhlthau on informational AND emotional stages in search
(Assuming novice researchers engaged in challenging tasks)
Uncertainty and apprehension
Optimism (after deciding)
Confusion, uncertainty, doubt, frustration
Confidence dawning *
Confidence growing
Relief and satisfaction (or disappointment)
Initiation
Selection
Exploration
Formulation
Collection
Presentation
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Feelings: The Importance of Flow
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Feelings: The Importance of Flow
From Csikszentmihalyi, M. (1991). Flow: The Psychology of Optimal Experience. HarperCollinsvia Bederson, Interfaces for staying in the flow, ACM Ubiquity 5(7), 2004
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Properties of Interfaces with FlowInviting
Supports interrupt-free engagement in the taskNo blockages
Easy reversal of actions
Next steps seem to suggest themselves
Supplies guidanceTask-specific
Light weight
Conversing
People like to talk
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Recent Trends Phone-based devices widely used
Naturally accepts spoken input Difficult to type on
Touch screen interaction increasingly popular Also difficult to type on
Speech recognition technology is improving Huge volumes of training data is now available
What are the impediments?
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We need a “cone of silence”
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Alternative text entry
swype.com Gesture search, Li 2010
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Speaking leads to conversation People naturally prefer a give-and-take
Dialogue is getting closer with a combination of Massive behavioral data Intense machine learning research Advanced user interface design Real-time contextual information
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: Dialogue
SIRI came out of the DARPA CALO project
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Sociability
People are Social; Computers are Lonely. Don’t Personalize Search, Socialize it!
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Social Search
Implicit: Suggestions generated as a side-effect of search activity.
Asking: Communicating directly with others.
Collaboration: Working with other people on a search task.
Explicit: knowledge accumulates via the actions of many.
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Social Search: Asking for AnswersAsking experts in a social network
Richardson and White, WWW 2011
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Social Search: People Collaborating
Pickens et al., SIGIR 2008
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Social Search: People Collaborating
Jetter et al., CHI 2011
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Summary: Consider the Human1. Feelings
Emotional responses to information seeking Aesthetics Flow
2. Conversing Audio and video are the future People prefer a natural dialogue
3. Sociability Search as a social and collaborative experience Turning to others for certain types of task Sharing information for next-generation knowledge management
Thank you!
Full text freely available at:http://searchuserinterfaces.com