Towards Exploratory Relationship Search: A Clustering-based Approach
Folksonomy as an information architecture for exploratory search
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Understanding folksonomy as an Understanding folksonomy as an information architecture for information architecture for exploratory search exploratory search Tingting Jiang & Dr. Sherry Koshman Tingting Jiang & Dr. Sherry Koshman School of Information Sciences School of Information Sciences University of Pittsburgh University of Pittsburgh
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IA summit 2008 presentation
Transcript of Folksonomy as an information architecture for exploratory search
Understanding folksonomy as an information Understanding folksonomy as an information architecture for exploratory searcharchitecture for exploratory search
Tingting Jiang & Dr. Sherry KoshmanTingting Jiang & Dr. Sherry Koshman
School of Information SciencesSchool of Information SciencesUniversity of PittsburghUniversity of Pittsburgh
OutlineOutline
Exploratory search and social tagging systems
Information architectures in exploratory search systems
Information seeking modes in social tagging systems
IA Summit 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 01 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 01
Motivation – uncertainties Information need Information space
Exploratory searchExploratory search
IA Summit 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 02 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 02
ActivitiesSearching – cognitiveBrowsing – perceptual
Motivation – Uncertainties Interests in finding out
What is available? What is the trend?
Lacking awareness of Flat and inclusive structure - folksonomy
Social tagging systemsSocial tagging systems
IA Summit 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 03 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 structuresFour structures
IA Summit 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 04 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 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 05Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 05
Tagging hierarchical Tagging hierarchical classificationclassification
comprehensivefixed nonoverlapping
hierarchical enumerative
universal local
high investment professional / formal
Hierarchical classification
IA Summit 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 06Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 06
Tagging facted categorizationTagging facted categorization
a set of small hierarchies conceptual
dimensions
less investment professionals
navigational searching recognition / recallmental work
Faceted categorization
flexibility query fixed colletions
IA Summit 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 07Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 07
Tagging dynamic clustersTagging dynamic clusters
dynamic post-retrieval unique
clustering algorithms
automation
less complexless costly
Vivisimocustomization
Dynamic clusters
ambiguityinstability
IA Summit 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 08Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 08
Tagging folksonomyTagging folksonomy
flat inclusive anyone
any language
liberal distributeddemocratic
inexpensiveresponsive basic level problem
Folksonomy
vocabulary problem
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
IA Summit 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 09Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 09
Comparison of structuresComparison of structures
Four activities Browsing Searching Being aware Monitoring
Information seeking in Information seeking in social tagging systemssocial tagging systems
Three elements Resources Users Tags
IA Summit 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 10 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 10
RESOURCESRESOURCES
social structu
re
IA Summit 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 11Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 11
Social tagging: three Social tagging: three elementselements
USERSUSERS TAGSTAGS
information
structure
Information space
Recommendation Recent / popular
resources Recent / popular tags
Being awareBeing aware
TAGTAGUSERUSER
RESOURCERESOURCE
IA Summit 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 12 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 12
MonitoringMonitoring
Subscription Users of interest Tags of interest
IA Summit 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 13 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 13
TAGTAGUSERUSER
RESOURCERESOURCE
SearchingSearching
Search term Tag Username Resource
keyword
IA Summit 2008IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 14 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 14
TAGTAGUSERUSER
RESOURCERESOURCE
BrowsingBrowsing
Multiple directions Resource
description User central
place Tag navigation
IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 15
TAGTAGUSERUSER
RESOURCERESOURCE
TAGTAGUSERUSER
RESOURCERESOURCEbeing aware
monitoring
searching
browsing
IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 16
Exploration frameworkExploration framework
Thank you very much!Thank you very much!
Contact us: [email protected] us: [email protected]
School of Information SciencesSchool of Information SciencesUniversity of PittsburghUniversity of Pittsburgh
[email protected]@sis.pitt.edudu
