This study develops a research model of how the technical, behavioral, and business capabilities of IT personnel are associated with IT infrastructure capabilities, and how the latter are associated with IT-dependent organizational agility, which is conceptualized as comprising IT-dependent system, information, and strategic agility. Analysis of crosssectional data collected from 293 IT managers generally corroborates the hypothesized relationships, showing that the technical and behavioral capabilities of IT personnel have a positive effect on infrastructure capabilities. The analysis also provides evidence that the effect of infrastructure capabilities on IT-dependent strategic agility is direct, as well as mediated by IT-dependent system and information agility. The validity of the findings is strengthened by demonstrating that the hypothesized research model fits the data better than two alternative theoretically-anchored models describing different relationships between the same constructs. This study advances understanding of the interrelationships between two major subsets of IT capabilities, and their relationships with the agility afforded by IT.
ABSTRACT:A severe problem in the processing of encrypted data is that very often, in order to perform arithmetic operations on the data, one has to convert the data back to its nonencypted origin before performing the required operations. This paper addresses the issue of processing data that have been encrypted while the data are in an encrypted mode. It develops a new approach for encryption models that can facilitate the processing of such data. The advantages of this approach are reviewed, and a basic algorithm is developed to prove the feasibility of the approach.
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