NLP

• Processing natual languages by computers
• Challenges - Ambiguous, ever changing

NLP Tasks

• Sentence Classification - sentiment analysisi
• Classifying each word in a sentence - Named Enity Recognition
• Text Generation ~ Auto generating text
• Translate or Summarize Text
• Answering questions - Chatbot's

Sentiment Analysis

Unsupervised Learning

#1 Sentiment Analysis Using Python Using NLTK - SentimentAnalyzer (For Un-Labelled Data)

Supervised Learning

#2 Amazon Reviews : Sentiment Analysis / Predictor (Labelled Data) Using Keras (Deep Learning Library) & Word2Vec (Word to Vector)