NPTEL : Natural Language Processing (Computer Science and Engineering)

Co-ordinators : Prof. Pushpak Bhattacharya


Lecture 1 - Introduction

Lecture 2 - Stages of NLP

Lecture 3 - Stages of NLP Continue...

Lecture 4 - Two approaches to NLP

Lecture 5 - Sequence Labelling and Noisy Channel

Lecture 6 - Noisy Channel: Argmax Based Computation

Lecture 7 - Argmax Based Computation

Lecture 8 - Noisy Channel Application to NLP

Lecture 9 - Brief on Probabilistic Parsing & Start of Part of Speech Tagging

Lecture 10 - Part of Speech Tagging

Lecture 11 - Part of Speech Tagging counted ...

Lecture 12 - Part of Speech Tagging counted ... and Indian Language in Focus; Morphology Analysis

Lecture 13 - PoS Tagging contd... , Indian Language Consideration; Accuracy Measure

Lecture 14 - PoS Tagging; Fundamental Principle; Why Challenging; accuracy

Lecture 15 - PoS Tagging; Accuracy Measurement; Word categories

Lecture 16 - AI and Probability; HMM

Lecture 17 - HMM

Lecture 18 - HMM, Viterbi, Forward Backward Algorithm

Lecture 19 - HMM, Viterbi, Forward Backward Algorithm (Continued...)

Lecture 20 - HMM, Forward Backward Algorithms, Baum Welch Algorithm

Lecture 21 - HMM, Forward Backward Algorithms, Baum Welch Algorithm (Continued...)

Lecture 22 - Natural Language Processing and Informational Retrieval

Lecture 23 - CLIA; IR Basics

Lecture 24 - IR Models: Boolean Vector

Lecture 25 - IR Models: NLP and IR Relationship

Lecture 26 - NLP and IR: How NLP has used IR, Toward Latent Semantic

Lecture 27 - Least Square Method; Recap of PCA; Towards Latent Semantic Indexing (LSI)

Lecture 28 - PCA; SVD; Towards Latent Semantic Indexing (LSI)

Lecture 29 - Wordnet and Word Sense Disambiguation

Lecture 30 - Wordnet and Word Sense Disambiguation (Continued...)

Lecture 31 - Wordnet; Metonymy and Word Sense Disambiguation

Lecture 32 - Word Sense Disambiguation

Lecture 33 - Word Sense Disambiguation; Overlap Based Method; Supervised Method

Lecture 34 - Word Sense Disambiguation: Supervised and Unsupervised methods

Lecture 35 - Word Sense Disambiguation: Semi - Supervised and Unsupervised method; resource - constrained WSD

Lecture 36 - Resource Constrained WSD; Parsing

Lecture 37 - Parsing

Lecture 38 - Parsing Algorithm

Lecture 39 - Parsing Ambiguous Sentences; Probabilistic Parsing

Lecture 40 - Probabilistic Parsing Algorithms