Day #234 - NLP with Deep Learning | Winter 2019 | Lecture 1

Key Lessons

• Get better in finding words that make them feel less alone
• Writing is ability to communicate knowledge, Knowledge sent to places
• Writing is 5000 years old
• Meaning - Expression for Idea, Art, Writing

• Use NLTK for Synonyms and Hypernyms
• Wordnet fine distinction between senses of word
• Words represented as one hot vectors
• Building word similarities tables to map to similar words
• Dense Vector - Word Embeddings Representation

Word2vec

• Framework for learning word vectors
• Every word represented by vector
• c - center word, o - context outside word
• Calculate the probability

• Similarity between words the orange part
• Exp turn positive or negative into number

Maths

• Calculus Chain Rule
• Vector Dot product
• Multivariate calculus

Happy Mastering DL!!!