ignite seoul 4-11 michael shilman machine learning
TRANSCRIPT
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MACHINE LEARNINGMICHAEL SHILMAN
1
How to detect porn and decide where to live using
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SCI-FI INSPIRES, TECHNOLOGY DELIVERS...
2001: A Space Odyssey (1968) Infinity Blade for iPhone (2011)
Sci-Fi Technology
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TECHNOLOGY DELIVERS... most of the time
Teleportation
Time Travel
Telekinesis
Artificial Intelligence (AI)
Hardware
Software
AI is the last big software problem left
...and has been largely a failure so far.
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1960-70’s: CONCEPTS
Basic Theory Demos
Viterbi Decoding (1967) Sutherland’s Sketchpad (1968)
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1980’s: MODELING THE BRAINNeuron
Neural Network
Expert
Expert System
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ENTER MACHINE LEARNING
Machine Learning is the study of
computer algorithms that improve
automatically through experience.
Tom Mitchell, Machine Learning (1997)
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BASIC MACHINE LEARNING
Observations
Labels
X
Yf(x) = yLearn
Male
X = height
Female
Y = gender
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REAL-WORLD MACHINE LEARNING
Y - 100’s of labels
X - 1000’s of features
N - Millions of examples
? - Not all data is labeled
? - Some data is mis-labeled
Model spatial context
Model temporal context
Observations
Labels
X
Y
f(x) = y
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1990’s: MACHINE LEARNING BASICS
Speech Handwriting OCR
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2000’s: BIG DATA
Web Search Collaborative Filtering Porn Detection
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2011: PUTTING IT ALL TOGETHER
Apple’s Siri (2011)
=
Modeling the Brain (1980’s)
+
Machine Learning Basics (1990’s)
+
Big Data (2000’s)
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SIRI TEARDOWN
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SIRI TEARDOWN
Waveform Input Broken into Little Chunks
X(t)
Each Chunk is a phoneme Y
(t)
Find the most likely paths through the
phonemes that match a words from the
dictionary
a
e
i
o
u
f u u d
“food”
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SIRI TEARDOWN
Find the most likely paths through the words that make
grammatical sense
Find the most likely sentences that match the
context
Execute a query based on the most
likely sentence
Speak the result to the user
“bet me food” “get me food”dialog
“what would
you like to eat?”
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SCI-FI INSPIRES, TECHNOLOGY DELIVERS?
2001: A Space Odyssey (1968) Apple’s Siri (2011)
Sci-Fi Technology
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TECHNOLOGY DELIVERS? TIME WILL TELL
Good Bad Ugly
http://siriouslyweird.tumblr.com/
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WHAT’S NEXT?
Modeling the Brain (1980’s)
+
Machine Learning Basics (1990’s)
+
Big Data (2000’s)
?????? ???
??? ??????
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WHAT’S NEXT ... BIG DECISIONS
What to Buy? Where to Live? Who to Marry?
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WHAT’S NEXT ... HUMAN STEERING
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WHAT’S NEXT? NEED MORE SCI-FI!
Sci-Fi Technology
?????? ???
??? ??????