NLP

1. Natural
Language
Processing

2. What is NLP ?
Natural Language Processing is
the ability of a computer
program to understand human
language as it is spoken.

3. Continue...
❏ NLP is the way for computers to analyze, understand and derive meaning from
human language in smart and useful way.
❏ Machine can understand how human speaks.
❏ Automatic text summarization, sentiment analysis, topic extraction, question
answering system, etc.

4. Few NLP Examples
● Cortana
● Siri
● Google Assistant
● Summarizer

5. Components
Of NLP
● Natural Language
Understanding
● Natural Language
Generation

6. NLU
● Lexical Ambiguity
● Syntactical Ambiguity
● Referential Ambiguity

7. Referential Ambiguity
MEERA went to GEETA and said ‘I am hungry’

8. NLG
● Text Planning
● Sentence Planning
● Text Realization

9. Disclosure Integration
Syntactic Analysis
Semantic Analysis
Lexical Analysis
Pragmatic Analysis
Steps Involved
In NLP

10. Lexical Analysis
● Divides paragraphs into sentences, phrases and words.

11. Syntactical Analysis
● Parsing of sentences - noun, verbs, adjectives etc.

12. Semantic Analysis
● Actual meaning of sentence
● E.g. ‘Bitter Sugar’

13. Disclosure Integration
● Context is checked
● Pervious history of the chat

14. Pragmatic Analysis
● Verify the correctness of meaning in the given context

15. Thank You!