Yahoo Visit Day Joint Reseach Opportunities

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Yahoo Visit DayJoint Reseach Opportunities
Marti HearstUC Berkeley School of Information
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Convert Flickr Tags to Facets
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Facet example Recipes
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Our Approach

• Leverage the structure of WordNet

Documents
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How to Select the Right Senses and Paths?

• First build core tree
• (1) Create paths for words with only one sense
• (2) Use Domains
• Wordnet has 212 Domains
• medicine, mathematics, biology, chemistry,
  linguistics, soccer, etc.
• Automatically scan the collection to see which
  domains apply
• The user selects which of the suggested domains
  to use or may add own
• Paths for terms that match the selected domains
  are added to the core tree
• Then add remaining terms to the core tree.

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Using Domains
dip glosses Sense 1 A depression in an
otherwise level surface Sense 2 The angle that a
magnet needle makes with horizon Sense 3 Tasty
mixture into which bite-size foods are dipped
dip hypernyms Sense 1
Sense 2 Sense 3
solid
shape, form food concave
shape space
ingredient, fixings
depression angle
flavorer
Given domain food, choose
sense 3