Mixin Classes in Odoo 17 How to Extend Models Using Mixin Classes
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.
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.