how google works_final
DESCRIPTION
This is the presentation of how does google work. Prepared mainly by the inspiration of google and all credit goes to it.TRANSCRIPT
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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)."
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Idea behind New Search Engine
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Idea behind New Search Engine
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Whats the solution ?
googol
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Google Architecture
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Data Structures
Repository
Lexicon
Document Index
Hit Lists
Forward Index
Inverted Index
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Google architecture overview
Crawling Indexing
Query Processing
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Crawling
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Google - Bot
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URL form
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Through Links
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Indexing Traditional method
Google Caffeine
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Indexing
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Searched when Indexed normally
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Searched when indexed with google caffeine
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Searched when Indexed normally
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Searched when indexed with google caffeine
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Query Processing
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Single word Query
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Multi word Query
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Importance of proximity
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Order in which Search Engine displays results
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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
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Link Popularity
News site “A”
News site “B”
X 5 times
X 10 times
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Page Rank
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Page Rank Formula
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Application
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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
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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
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Searching
Query Refinements Plus (+) Operator Related Search Fill in the Blank (*) Search by Number Package Tracking Patent Numbers
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References
The Anatomy of a Large-Scale Hypertextual Web Search Engine
by
Sergey Brin & Lawrence Page
http://www.google.com
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Thank you.
Questions, comments, feedbacks are welcome