We consider the setting of hiding information through the use of multiple databases that do not interact with one another. In this setting, there are k 2 \databases" which can be accessed by some \users". Users do not keep any state information, but wish to access O(n) bits of \data". Previously, in this setting solutions for retrieval of data in the eecient manner were given, where a user achi...

The storage of information in biological memory relies on changes in neuronal circuits, termed plasticity. Synaptic contributions to plasticity, which are an important component, may be divided into changes in existing synapses, and changes in interneuronal connectivity through formation and elimination of synapses. Interneuronal connectivity changes may be further divided into contributions as...

Storage systems are widely used and have played a crucial rule in both consumer and industrial products, for example, personal computers, data centers, and embedded systems. However, such system suffers from issues of cost, restricted-lifetime, and reliability with the emergence of new systems and devices, such as distributed storage and flash memory, respectively. Information theory, on the ot...

In today's world, the personal information of any person can be conventionally divided into two large categories: general and special. As you understand from name, first category is responsible for type data that found in public access, namely: surname, patronymic, signature, place date birth, citizenship, marital status, education, bank details, etc. Such a variety requires different methods a...