Ignite seoul 4-11 michael shilman machine learning
1. How to detect porn and decide where to live using
MACHINE LEARNING
MICHAEL SHILMAN
michael@shilman.net
1
2. SCI-FI INSPIRES, TECHNOLOGY DELIVERS...
Sci-Fi Technology
2001: A Space Odyssey (1968) Infinity Blade for iPhone (2011)
3. TECHNOLOGY DELIVERS... most of the time
Teleportation
Time Travel Hardware
Telekinesis
Artificial Intelligence (AI) Software
AI is the last big software problem left
...and has been largely a failure so far.
6. ENTER MACHINE LEARNING
Machine Learning is the study of
computer algorithms that improve
automatically through experience.
Tom Mitchell, Machine Learning (1997)
8. REAL-WORLD MACHINE LEARNING
Observations X Y - 100’s of labels
X - 1000’s of features
Labels Y N - Millions of examples
? - Not all data is labeled
? - Some data is mis-labeled
f(x) = y Model spatial context
Model temporal context
13. SIRI TEARDOWN f u u d
a
e
i
o
u
“food”
Waveform Input Broken into Each Chunk is Find the most likely
Little Chunks a phoneme Y paths through the
X(t) (t) phonemes that match
a words from the
dictionary
14. SIRI TEARDOWN
“what
would
you like
to eat?”
dialog
“bet me food” “get me food”
Find the most likely Find the most Execute a query Speak the result to
paths through the likely sentences based on the most the user
words that make that match the likely sentence
grammatical sense context
