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Recently perceived vulnerabilities in public key infrastructures (PKI) demand that a semantic or cognitive definition of trust is essential for augmenting the security through trust formulations. In this paper, we examine the meaning of trust in PKIs. Properly categorized trust can help in developing intelligent algorithms that can adapt to the security and privacy requirements of the clients. We...
PRATHALA TABLE of ALPHANUMERALS is a 62 x 62 matrix table developed by the authors for cryptographic purpose. In this paper a newly developed table of ALPHANUMERALS is proposed using Vigenere cipher logic. About (62!)62 tables can be generated. Each table is a 62 x 62 matrix. At any point of time any one of the tables can be used for encryption. The same table is to be regenerated and used for decryption...
Rough Set Theory is widely used for successful decision making. Problems of real life situation demands multiple way decisions and conventional two way decision system have to be refined to make effective decisions. From the lower and upper approximations of Pawlak Rough Set model, three disjoint regions in the universe have been derived and a three way view model for decision making is proposed in...
Morphological analyzers are essential for any type of natural language processing works. As Malayalam like other Dravidian languages is an agglutinative language it needs a compound word splitter as a preprocessor. An algorithm has been developed and successfully used for splitting the compound words. 90% success has been established in initial scrutiny of around 4000 compound words. The splitter...
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