Tingting Jiang I Asummit2008

Slide 1: Understanding folksonomy as an information architecture for exploratory search Tingting Jiang & Dr. Sherry Koshman School of Information Sciences University of Pittsburgh

Slide 2: 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

Slide 3: Exploratory search  Motivation – uncertainties  Information need  Information space Activities Searching – cognitive Browsing – perceptual IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 02

Slide 4: Social tagging systems  Motivation – Uncertainties Information seeking in social taggin  Interests in finding out g systems is largely expl  What is available? oratory  What is the trend?  Lacking awareness of  Flat and inclusive structure - folksonomy IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 03

Slide 5: Four structures  Hierarchical classification DDC, LCC, Google Directory  Faceted Categorization eBay shopping categories  Dynamic clusters Clusty, Grokker, Carrot  Folksonomy del.icio.us, Flickr, CiteUlike IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 04

Slide 6: comprehensive universal fixed nonoverlapping local hierarchical enumerative high investment professional / formal Hierarchical classification Tagging hierarchical classification IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 05

Slide 7: a set of small less investment hierarchies professionals conceptual dimensions recognition / recall navigational searching mental work flexibility fixed colletions query Faceted categorization Tagging facted categorization IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 06

Slide 8: dynamic post-retrieval automation unique clustering algorithms less complex Vivisimo less costly ambiguity customization instability Dynamic clusters Tagging dynamic clusters IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 07

Slide 9: flat inclusive liberal anyone distributed any language democratic inexpensive vocabulary problem responsive basic level problem Folksonomy Tagging folksonomy IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 08

Slide 10: Hierarchical Faceted Clustering Social tagging classification categorization Type of structure Rigid hierarchies Hierarchical faceted Topical clusters Flat and inclusive categories folksonomy Creators experts professionals automatically everybody Users experienced trained trained naive Process Top down Top down Top down Bottom up Vocabulary Controlled Controlled Content-based Any language vocabulary vocabulary Domains Professional, Structured, fixed, Unstructured, Miscellaneous, formal, small, small, homogenous miscellaneous, distributed, stable medium uncontrolled Examples CitiViz, WebTOC Flamenco Grokker, Clusty del.icio.us, Flickr Comparison of structures IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 09

Slide 11: Information seeking in social tagging systems  Four activities  Three elements  Browsing  Resources  Searching  Users  Being aware  Tags  Monitoring IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 10

Slide 12: Information space RESOURCES social information structure structure USERS TAGS Social tagging: three elements IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 11

Slide 13: Being aware  Recommendation  Recent / popular resources  Recent / popular tags RESOURCE USER TAG IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 12

Slide 14: Monitoring  Subscription  Users of interest  Tags of interest RESOURCE USER TAG IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 13

Slide 15: Searching  Search term  Tag  Username RESOURCE  Resource keyword USER TAG IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 14

Slide 16: Browsing  Multiple directions  Resource description  User central place RESOURCE  Tag navigation USER TAG IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 15

Slide 17: RESOURCE being aware monitoring USER TAG searching browsing Exploration framework IA Summit 2008 Jiang, T. & Koshman, S. – folksonomy, IA, exploratory search 16

Slide 18: Thank you very much! Contact us: tij4@pitt.edu skoshman@sis.pitt.edu School of Information Sciences University of Pittsburgh