How google works_final

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This is the presentation of how does google work. Prepared mainly by the inspiration of google and all credit goes to it.

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kirantej1920@gmail.comdilip.vichu2005@gmail.com

Idea behind New Search Engine

According to Best of the Web

1994 -- Navigators,

"The best navigation service should make it easy to find almost anything on the

Web (once all the data is entered)."

Idea behind New Search Engine

Idea behind New Search Engine

Whats the solution ?

googol

Google Architecture

Data Structures

Repository

Lexicon

Document Index

Hit Lists

Forward Index

Inverted Index

Google architecture overview

Crawling Indexing

Query Processing

Crawling

Google - Bot

URL form

Through Links

Indexing Traditional method

Google Caffeine

Indexing

Searched when Indexed normally

Searched when indexed with google caffeine

Searched when Indexed normally

Searched when indexed with google caffeine

Query Processing

Single word Query

Multi word Query

Importance of proximity

Order in which Search Engine displays results

Learning from library

Importance of the book is actually judged by number of times the book is cited by the

other books or authors or publishers

Link Popularity

News site “A”

News site “B”

X 5 times

X 10 times

Page Rank

Page Rank Formula

Application

Stock Quotes Time

Sports Scores Music

Sunrise & Sunset Calculator

Book Search Earthquakes

Unit Conversion Public Data

People Profiles Synonym Search

Dictionary Definitions Spell Checker

Local Search Health Search

Trip Planning Maps

Currency Conversion Translation

Conclusion

Google is designed to be a scalable search engine. The primary goal is to provide high quality search results over a rapidly growing World Wide Web.

Google is a complete architecture for gathering web pages, indexing them and performing search queries over them

Google is also a research tool for many searchers and researchers across the globe

Searching

Query Refinements Plus (+) Operator Related Search Fill in the Blank (*) Search by Number Package Tracking Patent Numbers

References

The Anatomy of a Large-Scale Hypertextual Web Search Engine

by

Sergey Brin & Lawrence Page

http://www.google.com

Thank you.

Questions, comments, feedbacks are welcome