The Yahoo Taxonomy Model
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Transcript of The Yahoo Taxonomy Model
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Information Architecture Information Architecture Designing and Organising Digital Information SpacesDesigning and Organising Digital Information Spaces
Part III. Advanced Navigation & SearchPart III. Advanced Navigation & Search
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The Yahoo Taxonomy Model
An informal count suggests more than 67,000 categories in Yahoo with roughly 4 to 8 levels of hierarchy between the main page and actual content.
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Wine.com by the NumbersFacet # of Vocabulary Terms
Type 46
Region 16
Winery 750
Price 6
Ratings 6
Total Terms 824
Total Combinations 19,872,000
4 facets with 10 nodes each have the same discriminatory power as one hierarchy of 10,000 (104) nodes. Joseph Busch
Taxonomy Strategies
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Common FacetsFacets Description
Topic Enterprise-wide subject hierarchy.
Content Type Formats that are meaningful to employees.
Products & Services Complete range of products and services.
Industry Broad market categories.
Organization Businesses, functions, departments (authors/owners).
Country & Location Geographic indicator of intended audience.
Audience Intended users of content and services.
Languages Language of documents.
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The Influence of Assortment Structure on Perceived Variety and Consumption Quantities by Kahn and Wansink, Journal of Consumer Research (article)
• It is widely assumed across disciplines that increasing the actual variety of an assortment increases the quantity consumed. We show, however, that the perceived variety of an assortment also robustly drives consumption even when actual variety is unchanged.
• For small sets, disorganized assortments may appear to have more perceived variety, but the opposite might be true for assortments with a large mix of different options.
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Interaction Design for Recommender Systemsby Kirsten Swearingen & Rashmi Sinha, SIMS, UC Berkeley (article)
• Tested 11 systems including Amazon, RatingZone, Sleeper, MovieCritic, Reel, CDNow, Mood Logic, and Media Unbound
• Two factors emerged as strongly affecting levels of user trust: familiarity with recommended items and transparency of system logic.
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“Intuitively, pages that are well cited from many places around the web are worth looking at.”Sergey Brin & Larry Page
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To ConnectPeter Morville
Semantic Studios
http://semanticstudios.com/
Asilomar Institute for Information Architecture
http://aifia.org/
Findability
http://findability.org/