Page 352 - AI Computer 10

I In a n a NNutshellutshell

• Natural Language Processing is a domain of AI that deals with the interacti on between humans and intelligent
systems using natural language.
• The process of interpreti ng and classifying emoti ons within text data is known as Senti ment Analysis.
• Chatots are AI based conversati onal agents used in most sectors to provide human-like interacti on for
customer support and service tasks.
• The group of documents on which NLP works is called a Corpus.

• Text Normalisati on is te process of transforming text into a standard form to reduce complexity and make it
suitable for later stages of NLP models.

• Stemming is an elementary rule-based process to remove the affixes from words to reduce them into their
base form.

• Bag of Words (BoW) is an algorithm to extract features from text documents.
• TFIDF (Term Frequency and Inverse Document Frequency) is a stati sti cal measure used to identi fy the value
for each word in a corpus.
• The formula for TFIDF for a word ‘W’ is TFIDF(W) = TF(W) * log(IDF(W)). It considers both the local relevance
(TF) and global rarity (IDF) of a word in a corpus.

S Solvedolved QQuestionsuestions

A. Tick () the correct answer.
1. What is the primary objective of Natural Language Processing (NLP)?

a. Create video games

b. Achieve human-like comprehension of text
c. Develop hardware components

d. Improve graphic design
2. Which game is mentioned as an educational tool in the chapter to enhance vocabulary using NLP?
a Sudoku b. Chess

c. Akinator d. Scrabble
3. What are the basic requirements to play the Akinator Animal game online?

a. VR headset and joysti ck
b. Internet Connecti on, PC, and Microphone

c. Smartphone and GPS
d. Pen and Paper
4. Which application among the given is NOT an application of Natural Language Processing (NLP)?

a. Conversati onal User Interface b. Image Recogniti on

c. Text Predicti on d. Speech Recogniti on

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