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Working Of
P.Sravani
R.No:101
2/4 batch
IT-B
Contents
• Abstract
• Introduction
• Working Methods
• Applications
• Advantages and Disadvantages
• Conclusion
Abstract
With the ubiquity of the Internet and Web, search engines have
been sprouting like mushrooms after a rainfall. However,
innovative search engines and guided search capabilities have
started appearing only in recent years.
For instance, Google, which is one of the popular search
engines, supports Web Services that allow external applications
to issue Web search queries that are actually processed using a
Google’s commodity cluster computer made up of 15,000 PC
nodes.
Introduction
• In recent years, Google has grown to be one of the most
popular search engines available on the Web.
• Like most other search engines, Google indexes Web sites,
images, Usenet news groups, content-based directories, and
news sources with the goal of producing search results that
are most relevant to user queries.
Working Methods
•Crawling and Indexing
•Algorithms
•Fighting Spam
Crawling and Indexing
The journey of a query
starts before you ever
type a search, with
crawling and indexing
the web of trillions of
documents.
Algorithm
You want the answer, not trillions of webpages. Algorithms
are computer programs that look for clues to give you back
exactly what you want.
Fighting Spam
Every day, millions of useless spam pages are created. We
fight spam through a combination of computer algorithms
and manual review.
Applications
As the name itself tells us, we search for:
• Queries
• Applications
• Information
• Entertainment
• News …..etc.
Advantages
•Superior search relevancy
•Advanced search features, including searching for
videos and audio content as well as PDF, .doc and .ppt
files
•Easy and powerful search administration
•Easy integration into web sites
•Ad-free results
Disadvantages
• Google continues to return results for very low quality
sites and content farms like Yahoo! Answers and
WikiHow
• Excessive focus on the algorithm means that entire
classes of queries, such as medical queries, are still
overrun with exact match domains and poor quality
advice.
Future Enhancement
A large-scale web search engine is a complex system
and much remains to be done. Our immediate goals are
to improve search efficiency and to scale to
approximately 100 million web pages.
Conclusion
Google is a complete architecture for gathering web
pages, indexing them, and performing search queries
over them. The primary goal is to provide high quality
search results over a rapidly growing World Wide Web.
Bibliography
• www.google.co.in
• www.howstuffworks.com
• www.cloudbus.org
Thank You

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Working of google search

  • 2. Contents • Abstract • Introduction • Working Methods • Applications • Advantages and Disadvantages • Conclusion
  • 3. Abstract With the ubiquity of the Internet and Web, search engines have been sprouting like mushrooms after a rainfall. However, innovative search engines and guided search capabilities have started appearing only in recent years. For instance, Google, which is one of the popular search engines, supports Web Services that allow external applications to issue Web search queries that are actually processed using a Google’s commodity cluster computer made up of 15,000 PC nodes.
  • 4. Introduction • In recent years, Google has grown to be one of the most popular search engines available on the Web. • Like most other search engines, Google indexes Web sites, images, Usenet news groups, content-based directories, and news sources with the goal of producing search results that are most relevant to user queries.
  • 5. Working Methods •Crawling and Indexing •Algorithms •Fighting Spam
  • 6. Crawling and Indexing The journey of a query starts before you ever type a search, with crawling and indexing the web of trillions of documents.
  • 7. Algorithm You want the answer, not trillions of webpages. Algorithms are computer programs that look for clues to give you back exactly what you want.
  • 8. Fighting Spam Every day, millions of useless spam pages are created. We fight spam through a combination of computer algorithms and manual review.
  • 9. Applications As the name itself tells us, we search for: • Queries • Applications • Information • Entertainment • News …..etc.
  • 10. Advantages •Superior search relevancy •Advanced search features, including searching for videos and audio content as well as PDF, .doc and .ppt files •Easy and powerful search administration •Easy integration into web sites •Ad-free results
  • 11. Disadvantages • Google continues to return results for very low quality sites and content farms like Yahoo! Answers and WikiHow • Excessive focus on the algorithm means that entire classes of queries, such as medical queries, are still overrun with exact match domains and poor quality advice.
  • 12. Future Enhancement A large-scale web search engine is a complex system and much remains to be done. Our immediate goals are to improve search efficiency and to scale to approximately 100 million web pages.
  • 13. Conclusion Google is a complete architecture for gathering web pages, indexing them, and performing search queries over them. The primary goal is to provide high quality search results over a rapidly growing World Wide Web.