Enterprise Search: How do we get there from here?
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Transcript of Enterprise Search: How do we get there from here?
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Enterprise Search: How do we get there from here?
Daniel Tunkelang Head of Query Understanding, LinkedIn
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THERE The Dream (Franz Marc, 1912)
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“Computer, what is the nature of the universe?”
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"a web of data that can be processed by machines"
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Mind reading is now possible!
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HERE Office Space (1999)
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Google VP Udi Manber on their in-‐house search: “It’s not that good.”
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Beyond 10 blue links? Not so much.
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Meta-‐utopia or Metacrap?
Cory Doctorow’s seven straw-‐men of meta-‐utopia: 1. People lie. 2. People are lazy. 3. People are stupid. 4. Mission: Impossible -‐-‐ know thyself. 5. Schemas aren't neutral. 6. Metrics influence results. 7. There's more than one way to describe something.
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So how do we get there from here?
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Three Baby Steps on the Path to Utopia
1. Exercise common sense.
2. Show some humility.
3. If all else fails, cheat.
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Remember what the Dormouse said: Feed your head.
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From 2012 Google Zeitgeist
Monitor your top queries. Nail them.
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15 15
for i in [1..n]! s ← w1 w2 … wi! if Pc(s) > 0! a ← new Segment()! a.segs ← {s}! a.prob ← Pc(s)! B[i] ← {a}! for j in [1..i-1]! for b in B[j]! s ← wj wj+1 … wi! if Pc(s) > 0! a ← new Segment()! a.segs ← b.segs U {s}! a.prob ← b.prob * Pc(s)! B[i] ← B[i] U {a}! sort B[i] by prob! truncate B[i] to size k!
Long tail? Structure and segment your queries.
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Eneees and categories are your friends.
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Even the eneees for which you have no results.
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Idenefy unsuccessful searches.
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Use analyecs to drive triage.
“Sorry, no results containing all your search terms were found.”
Analyzed representaDve random sample of name searches. Leading causes: 1) Misspelled names. 2) Correctly spelled name of someone not on site.
Combine automated analysis with human judgment.
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Triage drives and validates agile development.
Misspelled name?
Correctly spelled name of someone not on site?
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You just ask them?
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vs.
Recognize ambiguity and ask for clarificaeon.
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Clarify, then refine.
Computers Books
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It’s 2013. Please use faceted search.
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Make your best guess, but hedge your bets.
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Claudia Hauff, Query Difficulty for Digital Libraries [2009]
Not all queries are created equal in difficulty.
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“It's ok to cheat, as long as you cheat your way to the top."
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Design an experience that doesn’t require search.
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Crowd-‐source curaeon.
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Unstructured data? Beg, borrow, or steal.
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Solve an easier problem: re-‐finding.
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Invest in type-‐ahead, especially instant results.
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“Good arests copy. Great arests steal.” -‐-‐ Picasso / Jobs
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Three Baby Steps on the Path to Utopia
1. Exercise common sense.
2. Show some humility.
3. If all else fails, cheat.
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It’s the economy, stupid!
Warning: technology alone is not a solueon.
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The future is on the way.
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But the present doesn’t have to be so bad.