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Multivariate Data Analysis With Readings

House of Quality

– The purpose of this paper is to investigate the factors that affect the adoption of cloud computing by firms belonging to the high‐tech industry. The eight factors examined in this study are relative advantage, complexity, compatibility, top management support, firm size, technology readiness, competitive pressure, and trading partner pressure., – A questionnaire‐based survey was used to collect data from 111 firms belonging to the high‐tech industry in Taiwan. Relevant hypotheses were derived and tested by logistic regression analysis., – The findings revealed that relative advantage, top management support, firm size, competitive pressure, and trading partner pressure characteristics have a significant effect on the adoption of cloud computing., – The research was conducted in the high‐tech industry, which may limit the generalisability of the findings., – The findings offer cloud computing service providers with a better understanding of what affects cloud computing adoption characteristics, with relevant insight on current promotions., – The research contributes to the application of new technology cloud computing adoption in the high‐tech industry through the use of a wide range of variables. The findings also help firms consider their information technologies investments when implementing cloud computing.

Understanding the determinants of cloud computing adoption

Assessing the determinants of cloud computing adoption: An analysis of the manufacturing and services sectors

Attribute-based encryption (ABE) is a new vision for public key encryption that allows users to encrypt and decrypt messages based on user attributes. For example, a user can create a ciphertext that can be decrypted only by other users with attributes satisfying ("Faculty" OR ("PhD Student" AND "Quals Completed")). Given its expressiveness, ABE is currently being considered for many cloud storage and computing applications. However, one of the main efficiency drawbacks of ABE is that the size of the ciphertext and the time required to decrypt it grows with the complexity of the access formula.

In this work, we propose a new paradigm for ABE that largely eliminates this overhead for users. Suppose that ABE ciphertexts are stored in the cloud. We show how a user can provide the cloud with a single transformation key that allows the cloud to translate any ABE ciphertext satisfied by that user's attributes into a (constant-size) El Gamal-style ciphertext, without the cloud being able to read any part of the user's messages.

To precisely define and demonstrate the advantages of this approach, we provide new security definitions for both CPA and replayable CCA security with outsourcing, several new constructions, an implementation of our algorithms and detailed performance measurements. In a typical configuration, the user saves significantly on both bandwidth and decryption time, without increasing the number of transmissions.

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Outsourcing the decryption of ABE ciphertexts

Identification of a company's suitability for the adoption of cloud computing and modelling its corresponding Return on Investment

Identifying some important success factors in adopting agile software development practices

Recently, vehicular cloud computing (VCC) has emerged as the one of the fast growing technologies with an aim to provide uninterrupted services to the moving clients even on-the-fly. One of the services provided by VCC is the mobile healthcare in which patient can be provided diagonosis from anywhere during their mobility. This paper proposes an intelligent RFID-enabled authentication scheme for healthcare applications in VCC environment. In the proposed scheme, a Petri Nets-based authentication model is used for authentication of tags, and readers. Both server, and tag authentications are protected by strong elliptical curve cryptography (ECC)-based key generation mechanism. The proposed scheme is found to be secure with respect to mutual authentication of servers and tags, replay attack, tracking attack, users anonymity, eavesdropping, and cloning with forward secrecy. To evaluate the effectiveness of the proposed scheme, it is evaluated with respect to the overhead generated, computation complexity, and % service delivery, where its performance is found better than the case where it is not applied.

An intelligent RFID-enabled authentication scheme for healthcare applications in vehicular mobile cloud

It is cost-effective for software practitioners to monitor and control quality of software systems from the early phases of development. Assessing and modeling the effects of design and coding factors on software system maintainability can help provide heuristics to human designers and programmers to reduce maintenance costs and improve quality. This paper presents a study based on intuitive and experimental analyses that use a suite of twenty design/code measures to obtain indications of their effect on maintainability. This paper lists several important contributions of the work, one of which is the investigation of an unprecedentedly large number of systems (fifty) in a single study. The previous related studies on the other hand, have investigated 2--8 systems. The results reported in this paper using experimental procedures are unique, many of which have not been empirically established in the previous literatures, and are interesting because they are not normally intuitively obvious in most cases. The study also serves to empirically validate those results that seem to be intuitive. The results of the study indicate a number of promising effects of design and coding factors on system maintainability. The use of the results from the relatively early phases of software development could significantly help practitioners to improve the quality of systems and thus optimize maintenance costs.

Modeling Design/Coding Factors That Drive Maintainability of Software Systems

Purpose – Agile software development (ASD) is currently an emerging approach in software engineering for improving quality, initially advocated by a group of 17 software professionals who practice a set of “lightweight” methods, and share a common set of values of software development. Owing to the attractive claims of successes of the ASD approach, many traditional projects, which used to practice plan‐driven software development, are gradually transitioning into ASD‐based development. This paper seeks to report the results from a survey‐based ex‐post‐facto study aimed at determining the relative importance, if any, of the changes traditional plan‐driven software development projects have to undergo to adopt ASD practices.Design/methodology/approach – The study was conducted using a web‐based survey with ASD practitioners who had experience of practicing plan‐driven software development in the past. ASD practitioners from a wide range of industrial sectors participated in the study. Similarly, the study ...

Subhas C. Misra

Papers

Identification of a company's suitability for the adoption of cloud computing and modelling its corresponding Return on Investment

Identifying some important success factors in adopting agile software development practices

An intelligent RFID-enabled authentication scheme for healthcare applications in vehicular mobile cloud

Modeling Design/Coding Factors That Drive Maintainability of Software Systems

Identifying some critical changes required in adopting agile practices in traditional software development projects