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ACNS
2004
Springer
77views Cryptology» more  ACNS 2004»
15 years 5 months ago
A Pay-per-Use DoS Protection Mechanism for the Web
Internet service providers have resisted deploying Denial-of-Service (DoS) protection mechanisms despite numerous research results in the area. This is so primarily because ISPs ca...
Angelos Stavrou, John Ioannidis, Angelos D. Keromy...
ATAL
2004
Springer
15 years 5 months ago
The Insufficiency of Formal Design Methods - The Necessity of an Experimental Approach - for the Understanding and Control of Co
We highlight the limitations of formal methods by exhibiting two results in recursive function theory: that there is no effective means of finding a program that satisfies a given...
Bruce Edmonds, Joanna Bryson
MFCS
2007
Springer
15 years 6 months ago
Traces of Term-Automatic Graphs
In formal language theory, many families of languages are defined using grammars or finite acceptors like pushdown automata and Turing machines. For instance, context-sensitive l...
Antoine Meyer
ICNSC
2007
IEEE
15 years 6 months ago
A New Anti-Spam Protocol Using CAPTCHA
— Today sending spams has turned to be a major problem in the Internet. It is so serious that more than 80% of the transferred emails are spams. As a result, various methods have...
Sajad Shirali-Shahreza, Ali Movaghar
AB
2008
Springer
15 years 6 months ago
On the Computational Power of Biochemistry
We explore the computational power of biochemistry with respect to basic chemistry, identifying complexation as the basic mechanism that distinguishes the former from the latter. W...
Luca Cardelli, Gianluigi Zavattaro