Web Search

The video explores the evolution and functioning of search engines, highlighting their role in modern life. It explains how search engines gather and organize data using web crawlers and inverted indexes. The video also discusses how search engines rank pages based on user interactions like click-throughs and bounces. Additionally, it covers the use of knowledge bases in AI for providing direct answers and addresses challenges such as bias and handling complex questions.

What has changed the way we engage in debates like 'Is a hot dog a sandwich?'

• Access to more friends

• Access to human knowledge

• Access to better restaurants

• Access to memes

How do search engines compare to traditional libraries?

• They both use human librarians

• They both organize data systematically

• They both require membership

• They both rely on physical books

What is the difference between the internet and the web?

• The web is only for emails, while the internet is for browsing

• The internet is only for emails, while the web is for browsing

• The web is a collection of computers, while the internet is a part of the web

• The internet is a collection of computers, while the web is a part of the internet

What is the role of a web crawler in a search engine?

• To systematically find and download web pages

• To create memes

• To rank web pages

• To answer user queries

What is an inverted index used for?

• To delete old web pages

• To store images

• To organize web pages by words they contain

• To create new web pages

How do search engines determine the relevance of a web page?

• By the number of images on the page

• By the number of links it has

• By user behavior like bounces and click-throughs

• By the length of the page

What is a knowledge base used for in AI systems?

• To display advertisements

• To create new web pages

• To encode information as relationships between objects

• To store user passwords

What does a 'bounce' indicate in search engine terms?

• A popular result

• A good result

• A bad result

• A neutral result

What is a challenge faced by AI when answering uncommon questions?

• Lack of data

• Too much data

• Too many languages

• Too many users

What is a potential issue with search engine AI systems?

• They are too fast

• They are influenced by online data bias

• They are too expensive

• They are too accurate