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๐ŸŒฟ Topic 04: Stemming & Lemmatization

Course: NLP Advanced โ€” Section 1: NLP Foundations Topic: 4 of 75 | Prev: 03-Tokenization.md | Next:โ€ฆ

Overview
๐ŸŒŸ

๐ŸŒฟ Topic 04: Stemming & Lemmatization โ€” Quick Facts

๐Ÿ“Œ

Prev: [03-Tokenization.md](03-Tokenization.md): Next: 05-POS-Tagging-Parsing.md

Topic 1
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐ŸŽฏ Overview

๐Ÿ’ก

Stemming = word ka rough root formโ€ฆ

๐Ÿ”‘

Lemmatization = word kaโ€ฆ

โšก

Purpose: Different forms of sameโ€ฆ

๐ŸŽฏ

"running", "runs", "ran" โ†’ sab kaโ€ฆ

Topic 2
โœจ

๐Ÿ”„ Stemming vs Lemmatization

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”€โ” โ”‚ Stemming vsโ€ฆ
Topic 3
โœจ

๐Ÿ Complete Python Implementation

๐Ÿ’ก

WordNet dictionary (150K+ words)

๐Ÿ”‘

POS tags (is word noun/verb/adj?)

โšก

Morphological rules

Topic 4
โœจ

๐Ÿ“Š Quick Comparison Table

โญ | Feature | Stemming | Lemmatization | |---------|----------|--------------| | Speed | โšกโ€ฆ
Topic 5
โœจ

โ“ Quiz โ€” 5 MCQs

๐Ÿ’ก

A) Koi difference nahi

๐Ÿ”‘

B) Stemming rules se suffix chopโ€ฆ

โšก

C) Lemmatization faster hota hai

๐ŸŽฏ

D) Stemming zyada accurate hai

Topic 6
โœจ ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ”— Navigation

โœจ โฌ…๏ธ Previous: 03-Tokenization.md | โžก๏ธ Next: 05-POS-Tagging-Parsing.md Pro Tip: ๐ŸŒฟ 2024-2025โ€ฆ
Comparison
โœจ

๐Ÿ“Š Quick Comparison Table

โš–๏ธ

Speed: โšก Very Fast

โš–๏ธ

Accuracy: Medium

โš–๏ธ

Dictionary?: No

Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 1

๐ŸŒฟ Topic 04: Stemming & Lemmatization ka sabse sahi definition kya hai?

Complete! ๐ŸŽ‰
COMPLETE

๐ŸŒฟ Topic 04: Stemming & Lemmatization Complete!

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