Faculty of Mathematics and Computer Science
	The Weizmann Institute of Science

Ran Halprin

E-mail:	firstname.lastname@weizmann.ac.il (copy name from header)
Office:	157 (Ziskind)
Office phone:	3475 (08-9343475 from outside)
Position:	Former M.Sc student of Prof. Moni Naor
Interests:	Human Computation and its applications, mainly in Cryptography.
Currently working for:	An Internet startup (still in stealth mode)

• Games for Extracting Randomness (with Moni Naor) - Web page, PPT, PDF - To appear in SOUPS 2009
  

• Dependent CAPTCHAs: Preventing the Relay Attack - PDF
  

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Presentations & Projects:

• Audio consciousness shift for Brain-Computer Interface (pdf) (with Lior Golgher and Roni More) - Brain and Consciousness, Spring 2007
  

• Functional homologies between human perceptual systems (pdf) - Neuroscience of Perception, Attention and Consciousness; Fall 2006
  

• Playing with lights (ppt) (with Dror Eiger) - Advanced Topics in Computer Vision, Spring 2006
  

• Shadow Segmentation from Multiple Light Source Images (pdf) - Research Project in Computer Vision, 2005
  

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Courses Teaching Assistant:

Frontal Teaching


• Introduction to Algorithms, Fall 2006 (IDC)
  
  
• Introduction to Algorithms, Fall 2005 (IDC)
  
  
Grading


• Advanced Algorithms, Spring 2009 (IDC)
  
  
• Introduction to Computability and Complexity, Spring 2008 (IDC)
  
  
• Introduction to Cryptography, Fall 2007 (WIS)
  
  
• Automata and Formal Languages, Fall 2007 (IDC)
  
  
• Data Structures, Spring 2007 (IDC)
  
  
• Data Structures, Spring 2006 (IDC)
  
  
• Image Processing, Spring 2006 (IDC)
  
  
• Tutor Supervisor - Introduction to Computer Science, Fall 2005 (IDC)
  
  

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Personal

• 2nd degree black belt at Ya-Lon college of Martial Arts (formerly International Goju-ryu)


• Video of my friends and me Winning the 2008 annual Rueda competition in Eilat

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Recommended Links

Blogs and Essays


• http://www.paulgraham.com - I found many of Paul Graham's essays on programming and programming management smart and innovative, even if I don't agree with everything.


• http://www.joelonsoftware.com - Joel is a software developer with deep insights on programming, hiring programmers, and just about anything related.


• http://www.schneier.com - Bruce Schneier is an established authority on Applied Cryptography and Security.


• http://www.codinghorror.com - Anecdotes on Programming and programmers.


• http://www.thedailywtf.com - Stupidities are often more interesting than good examples...

Comics


• http://www.phdcomics.com - Its always nice to know your troubles as a graduate student are shared by so many others worldwide... Almost always hits the spot.


• http://www.xkcd.com - The comics of choice for nerds and geeks everywhere. I conjecture Geekiness can actually be well esitmated by the amount of laughter the comics generates.


• http://www.dilbert.com - Life in a cubicle, explained...

News sources


• http://www.digg.com - News aggregator - let the community decide what is important.


• http://www.reddit.com - News aggregator - let the community decides what is important.


• http://www.slashdot.org - "News for nerds" - 'nuff said.

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Faculty of Mathematics and Computer Science
The Weizmann Institute of Science
Rehovot 76100, Israel