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Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 How machine learning is used in www.coach-bot.de processing text Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 www.coach-bot.de Image credit: Wikipedia User:

  1. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 How machine learning is used in www.coach-bot.de processing text

  2. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 www.coach-bot.de Image credit: Wikipedia User: William Tung, CC BY-SA 2.0, via Wikimedia Commons. https://acculturated.com/wp-content/uploads/2015/12/c3po.jpg, http://geekandsundry.com/wp-content/uploads/2015/05/Ex-Machina-Download-Wallpapers.jpg, http://ferdyonfilms.com/2001%20hal%20dying.jpg

  3. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 OCR solved using Neural Nets www.coach-bot.de

  4. Fabian Reich www.coach-bot.de Solve new kinds of problems using ML www.coach-bot.de

  5. Fabian Reich www.coach-bot.de www.coach-bot.de

  6. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 Sentiment Analysis “I love the movie” = 1 www.coach-bot.de “I hate the movie” = 0

  7. Fabian Reich www.coach-bot.de Machine Learning Process www.coach-bot.de Research Phase Proof of Concept Phase Data Sets, Papers, 1. Data Analysis Methods, etc. 2. Cleaning 3. Preprocessing 4. Building Models

  8. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 Research Phase Data Sets: 1. Movie Review www.coach-bot.de 2. ... Papers: 1. Sentiment P1 2. … Algorithms: 1.

  9. Fabian Reich www.coach-bot.de Machine Learning Process www.coach-bot.de Research Phase Proof of Concept Phase Data Sets, Papers, 1. Data Analysis Methods, etc. 2. Cleaning 3. Preprocessing 4. Building Models

  10. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 Data Analysis Data Analysis: 1. Movie Review Data 2. ... www.coach-bot.de

  11. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 Examples “I love movies.” = 1 “The movie was ok.” = 1 “I hated the movie.” = 0 www.coach-bot.de

  12. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 Data Analysis www.coach-bot.de

  13. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 Preprocessing 15 www.coach-bot.de 1 4 7 11 15 Faro 19 2 5 8 12 19 2 3 12 7 8 2 83 7 5 78 82 83 0 1 8 5 4 0 https://cdn-images-1.medium.com/max/1600/1*NKVm-AoDLc0KdN-Ls7Ts_g.png

  14. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 One hot encoding Vocabulary: “Building Chat Bots” Building -> {1, 0, 0} www.coach-bot.de Chat -> {0, 1, 0} Bots -> {0, 0, 1}

  15. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 One hot encoding “Building Bots” -> {1, 0, 1} “Chat Bots” -> {0, 1, 1} www.coach-bot.de

  16. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 Building Models - Logistic Regression Binary classification using logarithmic line www.coach-bot.de

  17. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 Building Models - Logistic Regression Sex Height www.coach-bot.de Male 180 Female 169 Male 160

  18. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 Building Models - Logistic Regression Male High www.coach-bot.de Female Low 140 160 180 1 3 5 #“Love”

  19. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 YAY! www.coach-bot.de We have our (first) model

  20. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 Compare Baseline Log Regression: 0.88128 SVM: 0.8974 www.coach-bot.de

  21. Fabian Reich www.coach-bot.de Solve new kinds of problems using Machine Learning www.coach-bot.de

  22. Fabian Reich www.coach-bot.de www.coach-bot.de

  23. Fabian Reich www.coach-bot.de fr@coach-bot.de +49 1578 0373306 Additional Infos: - The Great A.I. Awakening https://mobile.nytimes.com/2016/12/14/magazine/the-great-ai-awake ning.html www.coach-bot.de - Natural Language Processing with Deep Learning https://www.youtube.com/watch?v=OQQ-W_63UgQ - Speech and Language Processing (Daniel Jurafsky, James H. Martin)

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