IBM Watson

@RomeoKienzler

the goal

the goal

you: 20 Watts

the goal

you: 20 Watts

IBM Watson: 200.000 Watts

the human brain

the human brain

Supervised Machine Learning

Supervised Machine Learning

y = \alpha + \beta_{1} x_1 +\beta_{2} x_2 +\beta_{3} x_2 +\beta_{4} x_4+\beta_{5} x_5
y=α+β1x1+β2x2+β3x2+β4x4+β5x5

Source: http://i.stack.imgur.com/GI5ax.png

functions beyond linearity

Neural Networks

Watson (distance view)

Feature Extraction

Training

GO !!!

Watson Architecture

Watson Architecture

Query Decomposition

  • Focus: this Michigan City
  • LAT: Michigan
  • Keywords: 1894, C.W. Post, created, warm, cereal, drink, Postum, Michigan, City

In 1894 C.W. Post created his warm cereal drink Postum in this Michigan city

Parsing

Parsing

Watson Architecture

Primary Search

  • Lucene and Indri search engine
  • Preprocessing generated keyword->text based documents
  • Keyword associated with found document added to candidate answer list
  • Primary Search extended with all synonyms

Watson Architecture

Hypothesis Generation

Unlike most sea animals, in the sea horse this pair of sense organs can move independently of one another

  • A Sea Horse can move its eyes independently.
  • A Sea Horse can move its ears independently.
  • A Sea Horse can move its skin independently.
  • A Sea Horse can move its nose independently.
  • A Sea Horse can move its tung independently.

Watson Architecture

Evidence Scoring

  • Generated Candidate Answer is
    • ESG'd
    • PAS'd
    • searched against corpus
    • LATs used to determine whether a candidate answer is an instance of the answer types

Evidence Scoring

Oncology Expert Advisor

Oncology Expert Advisor

  • Dynamic patient summary
  • Evidence-based treatment options
  • Care pathway advisory
  • N=400 historical patient cases
  • false-positive rate 2.9%
  • false-negative rate 0.4%
  • accuracy 82.6%

Watson in the Cloud

Do it yourself!

http://ibm.biz/joinIBMCloud

Personality Insights

Bibliography

  1. Wie lernen Kinder? Aktuelles aus der Gehirnforschung, Manfred Spitzer
  2. IEEE IBM Journal of Research and Development, Issue 3.4, This is Watson
  3. IBM Watson for Oncology
  4. Superintelligence: Paths, Dangers, Strategies, Bostrom, Nick
  5. IBM Cloud

IBM Watson

By Romeo Kienzler

IBM Watson

A short overview how IBM Watson works

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