# Natural Language Processing

- Institution: IIT Bombay
- Department: Computer Science and Engineering
- Teacher: Prof. Pushpak Bhattacharyya
- Level: Undergraduate
- Language: English
- Subjects: Computer science, Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/106101007)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/106101007)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [L1-Introduction](https://invisiblenetwork.ai/learn/nptel/106101007/45e7956ba763) (Video)
2. [L2-Stages of NLP](https://invisiblenetwork.ai/learn/nptel/106101007/7294cefd8775) (Video)
3. [L3-Stages of NLP Continue…](https://invisiblenetwork.ai/learn/nptel/106101007/6bf363861915) (Video)
4. [L4-Two approaches to NLP](https://invisiblenetwork.ai/learn/nptel/106101007/f83b812bc8e3) (Video)
5. [L5-Sequence Labelling and Noisy Channel](https://invisiblenetwork.ai/learn/nptel/106101007/3de3abe77dc6) (Video)
6. [L6-Noisy Channel: Argmax Based Computation](https://invisiblenetwork.ai/learn/nptel/106101007/ded6d1877290) (Video)
7. [L7-Argmax Based Computation](https://invisiblenetwork.ai/learn/nptel/106101007/f96e198a375b) (Video)
8. [L8-Noisy Channel Application to NLP](https://invisiblenetwork.ai/learn/nptel/106101007/8b6051dc8409) (Video)
9. [L9-Brief on Probabilistic Parsing & Start of Part of Speech Tagging](https://invisiblenetwork.ai/learn/nptel/106101007/a0e00c59129a) (Video)
10. [L10-Part of Speech Tagging](https://invisiblenetwork.ai/learn/nptel/106101007/ec266f169a02) (Video)
11. [L11-Part of Speech Tagging counted…](https://invisiblenetwork.ai/learn/nptel/106101007/0b058c762b20) (Video)
12. [L12-Part of Speech Tagging counted… & Indian Language in Focus; Morphology Analysis](https://invisiblenetwork.ai/learn/nptel/106101007/2811ba56dd6a) (Video)
13. [L13-PoS Tagging contd… , Indian Language Consideration; Accuracy Measure](https://invisiblenetwork.ai/learn/nptel/106101007/9280e89211e8) (Video)
14. [L14-PoS Tagging; Fundamental Principle; Why Challenging; accuracy](https://invisiblenetwork.ai/learn/nptel/106101007/b4348affab67) (Video)
15. [L15-PoS Tagging; Accuracy Measurement; Word categories](https://invisiblenetwork.ai/learn/nptel/106101007/cff98cb597d1) (Video)
16. [L16-AI and Probability; HMM](https://invisiblenetwork.ai/learn/nptel/106101007/4bc4a7991382) (Video)
17. [L17-HMM](https://invisiblenetwork.ai/learn/nptel/106101007/1e5ff95ef215) (Video)
18. [L18-HMM, Viterbi, Forward Backward Algorithm](https://invisiblenetwork.ai/learn/nptel/106101007/4117d4b32f06) (Video)
19. [L19-HMM, Viterbi, Forward Backward Algorithm Contd..](https://invisiblenetwork.ai/learn/nptel/106101007/405611708c60) (Video)
20. [L20-HMM, Forward Backward Algorithms, Baum Welch Algorithm](https://invisiblenetwork.ai/learn/nptel/106101007/6fbe77b85fee) (Video)
21. [L21-HMM, Forward Backward Algorithms, Baum Welch Algorithm Contd...](https://invisiblenetwork.ai/learn/nptel/106101007/1fdc524faa6f) (Video)
22. [L22-Natural Language Processing and Informational Retrieval](https://invisiblenetwork.ai/learn/nptel/106101007/3d32aab53bcc) (Video)
23. [L23-CLIA; IR Basics](https://invisiblenetwork.ai/learn/nptel/106101007/6919a293868c) (Video)
24. [L24-IR Models: Boolean Vector](https://invisiblenetwork.ai/learn/nptel/106101007/73da85b19929) (Video)
25. [L25-IR Models: NLP and IR Relationship](https://invisiblenetwork.ai/learn/nptel/106101007/982ce12195a4) (Video)
26. [L26-NLP and IR: How NLP has used IR, Toward Latent Semantic](https://invisiblenetwork.ai/learn/nptel/106101007/c36612d61174) (Video)
27. [L27-Least Square Method; Recap of PCA; Towards Latent Semantic Indexing(LSI)](https://invisiblenetwork.ai/learn/nptel/106101007/170bb69ad558) (Video)
28. [L28-PCA; SVD; Towards Latent Semantic Indexing(LSI)](https://invisiblenetwork.ai/learn/nptel/106101007/dc12c0f3250b) (Video)
29. [L29-Wordnet and Word Sense Disambiguation](https://invisiblenetwork.ai/learn/nptel/106101007/2ef75441ff33) (Video)
30. [L30-Wordnet and Word Sense Disambiguation(contd…)](https://invisiblenetwork.ai/learn/nptel/106101007/8aa02821ad0d) (Video)
31. [L31-Wordnet; Metonymy and Word Sense Disambiguation](https://invisiblenetwork.ai/learn/nptel/106101007/884f8f8e2db3) (Video)
32. [L32-Word Sense Disambiguation](https://invisiblenetwork.ai/learn/nptel/106101007/3a0e2913ef21) (Video)
33. [L33-Word Sense Disambiguation; Overlap Based Method; Supervised Method](https://invisiblenetwork.ai/learn/nptel/106101007/d2276694a93d) (Video)
34. [L34-Word Sense Disambiguation: Supervised and Unsupervised methods](https://invisiblenetwork.ai/learn/nptel/106101007/1f75597c6881) (Video)
35. [L35-Word Sense Disambiguation: Semi - Supervised and Unsupervised method; resource - constrained WSD](https://invisiblenetwork.ai/learn/nptel/106101007/f51afe11cede) (Video)
36. [L36-Resource Constrained WSD; Parsing](https://invisiblenetwork.ai/learn/nptel/106101007/f30a3b38afae) (Video)
37. [L37-Parsing](https://invisiblenetwork.ai/learn/nptel/106101007/f1292194dd3e) (Video)
38. [L38-Parsing Algorithm](https://invisiblenetwork.ai/learn/nptel/106101007/f746b1d8865f) (Video)
39. [L39-Parsing Ambiguous Sentences; Probabilistic Parsing](https://invisiblenetwork.ai/learn/nptel/106101007/ac26cb2ff17e) (Video)
40. [L40-Probabilistic Parsing Algorithms](https://invisiblenetwork.ai/learn/nptel/106101007/f4947f09f9da) (Video)