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Deep Web
That part of the Internet people don’t really know
about
English Course Level 4 - Facultad de Cs.
Exactas, UNICEN

By Martín Pacheco
What is it?
• The dark web, the hidden web, …is the “hidden” part of the web.
• Not part of surface web.
• Inaccessible to convertional search engines
and consequently to must users.

• Not indexed.
What's in the Deep Web?
• Drug purchage, illegal pornography
• Company secrets
• Hacking sites
• Whistleblowing sites
• Lots of goverment information
• Data sets
How BIG is the Deep Web?
• 550 billon / 1 billon documents
• 400 to 500 times the content of the surface web
• No domain names, thus making sites hard to find.
• Google has indentified 1.2 billon documents.
• An internet search typically searches .03% (1/3000) of available content.
The Surface Web

Search Form

Google,
Yahoo…

Crawler

Index
Results

Web Pages
The Surface "hiden" Web
How can you Access it?
• Download TOR (Firefox).
• Take precautions.
• Browse Websites on the Deep Web
•

Wikis, another indexes, some search engines…

• Very old, "90s style" looking websites.
• The use of a currency called "BitCoins".
Bibliography
1.

"THE DEEP WEB: SURFACING HIDDEN VALUE", Michael K. Bergman. The Journal

2.

"STRUCTURED DATABASES ON THE WEB: OBSERVATIONS AND IMPLICATIONS",

3.
4.

Electronic Publishing, Volume 7, Issue 1. August, 2001.

Kevin Chen-Chuan Chang, Bin He, Chengkai Li, Mitesh Patel, Zhen Zhang. Computer
Science Department, University of Illinois. 2004.

"ACCESSIBILITY OF INFORMATION ON THE WEB", S Lawrence, CL Giles. NEC
Research Institute, Princeton University. July, 1999.

"CRAWLING THE HIDDEN WEB", Sriram Raghavan,

Hector Garcia-Molina.
Computer Science Department, Stanford University. December, 2008.

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The Deep Web

  • 1. Deep Web That part of the Internet people don’t really know about English Course Level 4 - Facultad de Cs. Exactas, UNICEN By Martín Pacheco
  • 2. What is it? • The dark web, the hidden web, …is the “hidden” part of the web. • Not part of surface web. • Inaccessible to convertional search engines and consequently to must users. • Not indexed.
  • 3. What's in the Deep Web? • Drug purchage, illegal pornography • Company secrets • Hacking sites • Whistleblowing sites • Lots of goverment information • Data sets
  • 4. How BIG is the Deep Web? • 550 billon / 1 billon documents • 400 to 500 times the content of the surface web • No domain names, thus making sites hard to find. • Google has indentified 1.2 billon documents. • An internet search typically searches .03% (1/3000) of available content.
  • 5. The Surface Web Search Form Google, Yahoo… Crawler Index Results Web Pages
  • 7. How can you Access it? • Download TOR (Firefox). • Take precautions. • Browse Websites on the Deep Web • Wikis, another indexes, some search engines… • Very old, "90s style" looking websites. • The use of a currency called "BitCoins".
  • 8. Bibliography 1. "THE DEEP WEB: SURFACING HIDDEN VALUE", Michael K. Bergman. The Journal 2. "STRUCTURED DATABASES ON THE WEB: OBSERVATIONS AND IMPLICATIONS", 3. 4. Electronic Publishing, Volume 7, Issue 1. August, 2001. Kevin Chen-Chuan Chang, Bin He, Chengkai Li, Mitesh Patel, Zhen Zhang. Computer Science Department, University of Illinois. 2004. "ACCESSIBILITY OF INFORMATION ON THE WEB", S Lawrence, CL Giles. NEC Research Institute, Princeton University. July, 1999. "CRAWLING THE HIDDEN WEB", Sriram Raghavan, Hector Garcia-Molina. Computer Science Department, Stanford University. December, 2008.