Aliens School
Cinematic Knowledge Experience
0%
Aliens School
Now Playing
Aliens School ยท HIEN
โŒจ๏ธ Keyboard Shortcuts
โ†’Next slide โ†Previous slide SpacePlay / Pause MNarration on/off FFullscreen ?Show/hide this
Press any key to close
Skill Topic ยท Cinematic

๐ŸŽฏ Topic 54: Recommendation Engines โ€” Personalized Suggestions!

โฎ๏ธ Previous: 53-NLP-For-DS | โญ๏ธ Next: 55-Anomaly-Detection ๐Ÿ“‚ Section 7: Advanced DS Topics (51-58)

Overview
๐ŸŒŸ

๐ŸŽฏ Topic 54: Recommendation Engines โ€” Personalized Suggestions! โ€” Quick Facts

๐Ÿ“Œ

Type: Data Needed

๐ŸŽฏ

Content-Based: Item features

โšก

User-Based CF: User ratings

๐Ÿ”‘

Item-Based CF: Item ratings

Topic 1
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐ŸŽฏ Is Topic Me Kya Sikhenge?

๐Ÿ“š ` โ•”โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•โ•— โ•‘ ๐ŸŽฏ RECOMMENDATIONโ€ฆ
Topic 2
๐Ÿ’ก ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ Recommendation Types โ€” Overview

๐Ÿ’ก ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ RECOMMENDATION SYSTEMSโ€ฆ
Topic 3
๐Ÿ”’

1๏ธโƒฃ Content-Based Filtering

๐ŸŽฏ ` User likes: "Inception" (Sci-Fi, Thriller, Nolan) "Interstellar" (Sci-Fi, Drama, Nolan)โ€ฆ
Topic 4
โญ

2๏ธโƒฃ Collaborative Filtering

โญ ` User-Item Rating Matrix: โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ โ”‚โ€ฆ
Topic 5
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

3๏ธโƒฃ Matrix Factorization โ€” SVD

๐Ÿ”‘ ` Rating Matrix R (m users ร— n items): R โ‰ˆ U ร— ฮฃ ร— V^T โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”Œโ”€โ”€โ”€โ”€โ”€โ” โ”Œโ”€โ”€โ”€โ”โ€ฆ
Topic 6
โœจ

๐Ÿ Full Python Class โ€” RecommendationEngine

๐Ÿ’ก

Content-Based Filtering

๐Ÿ”‘

User-Based Collaborative Filtering

โšก

Item-Based Collaborative Filtering

๐ŸŽฏ

Matrix Factorization (SVD)

Topic 7
๐Ÿ”’

๐Ÿ“Š Challenges & Solutions

๐ŸŒŸ ` โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ” โ”‚ RECOMMENDATIONโ€ฆ
Topic 8
๐Ÿš€

โ“ Quiz Time! (5 MCQs)

๐Ÿ’ก

a) Similar users ki ratings

๐Ÿ”‘

b) Item ke features/attributes โœ…

โšก

c) Random selection

๐ŸŽฏ

d) Popularity ranking

Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 1

๐ŸŽฏ Topic 54: Recommendation Engines โ€” Personalized Suggestions! ka sabse sahi definition kya hai?

Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 2

๐ŸŽฏ Topic 54: Recommendation Engines โ€” Personalized Suggestions! ka 'Content-Based' kya hai?

Complete! ๐ŸŽ‰
COMPLETE

๐ŸŽฏ Topic 54: Recommendation Engines โ€” Personalized Suggestions! Complete!

Aliens School ยท HIEN ยท Cinematic Knowledge

โœ…

๐ŸŽฏ Topic 54: Recommendation Engines โ€” Personalized Suggestions! Complete

1/13
0:00
REC 00:00ESC=Cancel
Aliens School
3
Recording shuru hone wali hai...
โœ…
Recording Complete
Video process ho rahi hai...
Live Class
Slide 1 / 7
Timer
00:00
๐Ÿ“ Speaker Notes
โ€”
โญ๏ธ Up Next
โ€”
โ€”
๐Ÿ—‚๏ธ All Slides