Folksonomy as an information architecture for exploratory search

Understanding folksonomy as an information architecture for exploratory search Tingting Jiang & Dr. Sherry Koshman School of Information Sciences University of Pittsburgh

Outline
Exploratory search and social tagging systems
Information architectures in exploratory search systems
Information seeking modes in social tagging systems
IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 01

Motivation – uncertainties
Information need
Information space
Exploratory search IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 02
Activities
Searching – cognitive
Browsing – perceptual

Motivation – Uncertainties
Interests in finding out
What is available?
What is the trend?
Lacking awareness of
Flat and inclusive structure - folksonomy
Social tagging systems IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 03 Information seeking in social tagging systems is largely exploratory

Hierarchical classification
Faceted Categorization
Dynamic clusters
Folksonomy
Four structures IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 04 del.icio.us, Flickr, CiteUlike DDC, LCC, Google Directory eBay shopping categories Clusty, Grokker, Carrot

IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 05 Tagging hierarchical classification comprehensive fixed nonoverlapping hierarchical enumerative universal local high investment professional / formal Hierarchical classification

IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 06 Tagging facted categorization a set of small hierarchies conceptual dimensions less investment professionals navigational searching recognition / recall mental work Faceted categorization flexibility query fixed colletions

IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 07 Tagging dynamic clusters dynamic post-retrieval unique clustering algorithms automation less complex less costly Vivisimo customization Dynamic clusters ambiguity instability

IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 08 Tagging folksonomy flat inclusive anyone any language liberal distributed democratic inexpensive responsive basic level problem Folksonomy vocabulary problem

IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 09 Comparison of structures Hierarchical classification Faceted categorization Clustering Social tagging Type of structure Rigid hierarchies Hierarchical faceted categories Topical clusters Flat and inclusive folksonomy Creators experts professionals automatically everybody Users experienced trained trained naive Process Top down Top down Top down Bottom up Vocabulary Controlled vocabulary Controlled vocabulary Content-based Any language Domains Professional, formal, small, stable Structured, fixed, small, homogenous Unstructured, miscellaneous, medium Miscellaneous, distributed, uncontrolled Examples CitiViz, WebTOC Flamenco Grokker, Clusty del.icio.us, Flickr

Four activities
Browsing
Searching
Being aware
Monitoring
Information seeking in social tagging systems
Three elements
Resources
Users
Tags
IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 10

RESOURCES social structure IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 11 Social tagging: three elements USERS TAGS information structure Information space

Recommendation
Recent / popular resources
Recent / popular tags
Being aware TAG USER RESOURCE IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 12

Monitoring
Subscription
Users of interest
Tags of interest
IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 13 TAG USER RESOURCE

Searching
Search term
Tag
Username
Resource keyword

Browsing
Multiple directions
Resource description
User central place
Tag navigation

TAG USER RESOURCE being aware monitoring searching browsing IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 16 Exploration framework

Thank you very much! Contact us: tij4@pitt.edu School of Information Sciences University of Pittsburgh [email_address]

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Folksonomy as an information architecture for exploratory search

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Folksonomy as an information architecture for exploratory search — Presentation Transcript