Eugene Panferov

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This paper attempts to explain the consequences of the relational calculus not allowing relations to be domains of relations, and to suggest a solution for the issue. On the example of SQL we describe the consequent problem of the multitude of different representations for relations; analyze in detail the disadvantages of the notions “TABLE” and “FOREIGN(More)
We notice that the “password security” discourse is missing a fundamental notion of the “password strength”. We propose a canonical measure of password’s strength. We give formal definition of the “guessing attack”, and the “attacker’s strategy”. The measure is based on the assessment of the efficiency of the best possible guessing attack. Unlike naive(More)
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