How machine learning is used in www.coach-bot.de processing text - - PowerPoint PPT Presentation

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Oct 16, 2022 246 likes •494 views

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:

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

How machine learning is used in processing text

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

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 Image credit: Wikipedia User: William Tung, CC BY-SA 2.0, via Wikimedia Commons.

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

OCR solved using Neural Nets

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

Solve new kinds of problems using ML

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

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

Sentiment Analysis

“I love the movie” = 1 “I hate the movie” = 0

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

Machine Learning Process

Research Phase Proof of Concept Phase

Data Sets, Papers, Methods, etc. 1. Data Analysis 2. Cleaning 3. Preprocessing 4. Building Models

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

Research Phase

Data Sets: 1. Movie Review 2. ... Papers: 1. Sentiment P1 2. … Algorithms: 1.

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

Machine Learning Process

Research Phase Proof of Concept Phase

Data Sets, Papers, Methods, etc. 1. Data Analysis 2. Cleaning 3. Preprocessing 4. Building Models

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

Data Analysis

Data Analysis: 1. Movie Review Data 2. ...

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www.coach-bot.de 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

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

Data Analysis

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

Preprocessing

1 4 7 11 15 2 5 8 12 19 3 12 7 8 2 7 5 78 82 83 1 8 5 4 15 19 2 83

Faro

https://cdn-images-1.medium.com/max/1600/1*NKVm-AoDLc0KdN-Ls7Ts_g.png

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

One hot encoding

Vocabulary: “Building Chat Bots” Building -> {1, 0, 0} Chat -> {0, 1, 0} Bots -> {0, 0, 1}

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www.coach-bot.de 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}

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

Building Models - Logistic Regression

Binary classification using logarithmic line

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

Building Models - Logistic Regression

Sex Height Male 180 Female 169 Male 160

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

Building Models - Logistic Regression

140 160 180 Male Female 1 3 5 High Low #“Love”

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

YAY! We have our (first) model

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

Compare Baseline

Log Regression: 0.88128 SVM: 0.8974

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

Solve new kinds of problems using Machine Learning

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

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www.coach-bot.de 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

Natural Language Processing with Deep Learning

https://www.youtube.com/watch?v=OQQ-W_63UgQ

Speech and Language Processing (Daniel Jurafsky, James H. Martin)