Ensuring Data Integrity Scheme Based on Digital Signature and Iris Features in Cloud

Author(s):  
Salah H. Abbdal ◽  
Thair A. Kadhim ◽  
Zaid Ameen Abduljabbar ◽  
Zaid Alaa Hussien ◽  
Ali A. Yassin ◽  
...  

Cloud computing is a novel paradigm that allows users to remotely access their data through web- based tools and applications. Later, the users do not have the ability to monitor or arrange their data. In this case, many security challenges have been raised. One of these challenges is data integrity. Contentiously, the user cannot access his data directly and he could not know whether his data is modified or not. Therefore, the cloud service provider should provide efficient ways for the user to ascertain whether the integrity of his data is protected or compromised. In this paper, we focus on the problem of ensuring the integrity of data stored in the cloud. Additionally, we propose a method which combines biometric and cryptography techniques in a cost-effective manner for data owners to gain trust in the cloud. We present efficient and secure integrity based on the iris feature extraction and digital signature.  Iris recognition has become a new, emergent approach to individual identification in the last decade. It is one of the most accurate identity verification systems. This technique gives the cloud user more confidence in detecting any block that has been changed. Additionally, our proposed scheme employs user’s iris features to secure and integrate data in a manner difficult for any internal or external unauthorized entity to take or compromise it. Iris recognition is an internal organ that is well protected against damage and wear by a highly transparent and sensitive membrane. Extensive security and performance analysis show that our proposed scheme is highly efficient and provably secure.

Author(s):  
Zane L. Berge ◽  
Donna L. Smith

As businesses expand to become more globally competitive, their needs grow to train geographically dispersed employees in a cost- effective manner. What must businesses do to implement distance education? An important role of the training and performance specialists in business is to help management solve complex problems within an organization. Still, distance education is usually not accomplished by a single group within an organization, nor through a single process. To change the way training is done, performance managers must use what is known about change management, strategic planning and project management in order to successfully implement technology-enhanced learning globally. One of the methods being used increasingly in the workplace is distance training.


Author(s):  
Zane L. Berge ◽  
Donna L. Smith

As businesses expand to become more globally competitive, their needs grow to train geographically dispersed employees in a cost- effective manner. What must businesses do to implement distance education? An important role of the training and performance specialists in business is to help management solve complex problems within an organization. Still, distance education is usually not accomplished by a single group within an organization, nor through a single process. To change the way training is done, performance managers must use what is known about change management, strategic planning and project management in order to successfully implement technology-enhanced learning globally. One of the methods being used increasingly in the workplace is distance training.


Author(s):  
Patricio S Dalton ◽  
Julius Rüschenpöhler ◽  
Burak Uras ◽  
Bilal Zia

Abstract Business practices and performance vary widely across businesses within the same sector. A key outstanding question is why profitable practices do not readily diffuse. We conduct a field experiment among urban retailers in Indonesia to study whether alleviating informational and behavioral frictions can facilitate such diffusion in a cost-effective manner. Through quantitative and qualitative fieldwork, we curate a handbook that associates locally relevant practices with performance, and provides idiosyncratic implementation guidance informed by exemplary local retailers. We complement this handbook with two light-touch interventions to facilitate behavior change. A subset of retailers is invited to a documentary movie screening featuring the paths to success of exemplary peers. Another subset is offered two 30 minute personal visits by a local facilitator. A third group is offered both. Eighteen months later, we find significant impacts on practice adoption when the handbook is coupled with the two behavioral nudges, and up to a 35% increase in profits and 16.7% increase in sales. These findings suggest both informational and behavioral constraints are at play. The types of practices adopted map the performance improvements to efficiency gains rather than other channels. A simple cost-benefit analysis shows such locally relevant knowledge can be codified and scaled successfully at relatively low cost.


2011 ◽  
Vol 29 (2) ◽  
pp. 214-224 ◽  
Author(s):  
P.Y. Thomas

PurposeThis paper aims to explore the educational potential of “cloud computing” (CC), and how it could be exploited in enhancing engagement among educational researchers and educators to better understand and improve their practice, in increasing the quality of their students' learning outcomes, and, thus, in advancing the scholarship of teaching and learning (SoTL) in a higher education context.Design/methodology/approachAdoption of the ideals of SoTL is considered an important approach for salvaging the higher education landscape around the world that is currently in a state of flux and evolution as a result of rapid advances in information and communications technology, and the subsequent changing needs of the digital natives. The study is based on ideas conceptualised from reading several editorials and articles on server virtualisation technology and cloud computing in several journals, with the eSchool News as the most important one. The paper identifies two cloud computing tools, their salient features and describes how cloud computing can be used to achieve the ideals of SoTL.FindingsThe study reports that the cloud as a ubiquitous computing tool and a powerful platform can enable educators to practise the ideals of SoTL. Two of the most useful free “cloud computing” applications are the Google Apps for Education which is a free online suite of tools that includes Gmail for e‐mail and Google Docs for documents, spreadsheets, and presentations, and Microsoft's cloud service (Live@edu) including the SkyDrive. Using the cloud approach, everybody can work on the same document at the same time to make corrections as well as improve it dynamically in a collaborative manner.Practical implicationsCloud computing has a significant place in higher education in that the appropriate use of cloud computing tools can enhance engagement among students, educators, and researchers in a cost effective manner. There are security concerns but they do not overshadow the benefits.Originality/valueThe paper provides insights into the possibility of using cloud computing delivery for originating a new instructional paradigm that makes a shift possible from the traditional practice of teaching as a private affair to a peer‐reviewed transparent process, and makes it known how student learning can be improved generally, not only in one's own classroom but also beyond it.


2021 ◽  
Author(s):  
Shakira Ghazanfar

The gut associated microbiota of animal plays crucial rule in the conversion to accessible nutrients for improve animal health and well-beings. Probiotic yeast (PY) is commonly use to manipulate the gut microbial balance by inhibits the disease-causing microbes and increase the number and function of desirable microbes. PY produce many fermentation metabolites, intercellular effectors, minerals and enzymes that make it an idea nutritive feed supplement for ruminants. The mode of action of the PY is depends on the animal biological inheritance, breed, managemental condition and microbial feeding type. Therefore, PY must formulate using same ecological origin, alone with desirable target; as it would be more compatible with gut ecoysytem and would yield maximum outputs as compare to non-target or foreign probiotic (FP). Therefore, for development of the Indigenous Target Probiotic (ITP), the isolation source must be same ecological region with desirable target like improve animal health and productivity. In the situation of the increase food storage around the world, ITP may provide a useful feed supplements to improve the food production in cost effective manner as compare to FP. Probiotic effectiveness is considered to be population/breed/target specific due to difference in the feed intake, change gut microflora, different food habits and different host-microbial interactions. In this chapter, we will highlight the preparation of the ITP yeast and its mode of action on animal gut microbiota.


2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Brian S. Miller ◽  
◽  
Naysa Balcazar ◽  
Sharon Nieukirk ◽  
Emmanuelle C. Leroy ◽  
...  

AbstractSince 2001, hundreds of thousands of hours of underwater acoustic recordings have been made throughout the Southern Ocean south of 60° S. Detailed analysis of the occurrence of marine mammal sounds in these circumpolar recordings could provide novel insights into their ecology, but manual inspection of the entirety of all recordings would be prohibitively time consuming and expensive. Automated signal processing methods have now developed to the point that they can be applied to these data in a cost-effective manner. However training and evaluating the efficacy of these automated signal processing methods still requires a representative annotated library of sounds to identify the true presence and absence of different sound types. This work presents such a library of annotated recordings for the purpose of training and evaluating automated detectors of Antarctic blue and fin whale calls. Creation of the library has focused on the annotation of a representative sample of recordings to ensure that automated algorithms can be developed and tested across a broad range of instruments, locations, environmental conditions, and years. To demonstrate the utility of the library, we characterise the performance of two automated detection algorithms that have been commonly used to detect stereotyped calls of blue and fin whales. The availability of this library will facilitate development of improved detectors for the acoustic presence of Southern Ocean blue and fin whales. It can also be expanded upon to facilitate standardization of subsequent analysis of spatiotemporal trends in call-density of these circumpolar species.


2016 ◽  
Vol 6 (1) ◽  
pp. 42-58 ◽  
Author(s):  
Mariam Kiran ◽  
Anthony Simons

Testing in the Cloud is far more challenging than testing individual software services. A multitude of factors affect testing, including variations across platforms and infrastructure. Architectural issues include differences between private, public Clouds, multi-Clouds and Cloud-bursting. Platform issues include cross-vendor incompatibility, and diverse locales of service deployment and consumption. Software issues include integration with third-party services, the desire to validate competing service offerings to similar standards and need to re-validate services at different stages of service lifecycle. A complete approach to testing whole Cloud ecosystems should involve all relevant stakeholders, such as service provider, consumer and broker. When testing Clouds, the methodologies used should not hinder the advantages Cloud usage brings to the users or programmers and more importantly be simple and cost effective. However, these testing methodologies differ according to the various kinds of Cloud ecosystems and the different user perspectives of the actors involved such as the end-user, the infrastructures, or the different software (i.e. web services). This paper also studies the state-of-the-art in Cloud testing where most research focuses predominantly on web services, functional testing and quality-of-service, usually being considered separately. The authors suggest a framework, Quality-as-a-Service (QaaS) which integrates quality issues such as functional behaviour and performance monitoring with lifecycle governance and security of the service. This paper maps out the themes in the contemporary research literature and links them with the service lifecycle process for validating future Cloud services. Along the way, the authors identify important research questions that the future Cloud service testing agenda should seek to address.


2020 ◽  
Vol 158 (3) ◽  
pp. 645-654
Author(s):  
Maria E. Constantin ◽  
Francisco J. de Lamo ◽  
Martijn Rep ◽  
Frank L. W. Takken

Abstract Endophytic microbes conferring biocontrol are an eco-friendly alternative to control diseases in crops. Unfortunately, the use of endophytes to control diseases is not yet widespread as their application in agricultural settings is challenging and the outcome variable. Translating strains that perform well under laboratory conditions to the field poses several challenges. One is large scale inoculum production in a cost-effective manner. Here, we developed a framework to scale up inoculum production of Fusarium oxysporum 47 (Fo47), assess inoculum viability and its performance in the field and effects on potato yield and performance. The Fo47 endophyte is a well-described biocontrol agent, isolated from disease suppressive soils in the 1980’s. Using mung bean medium, we could routinely produce ≈7 × 108 spores/mL. Using 60 mL of 107 spores/mL per tuber we could re-isolate the fungus 79 days after application from 60 to 70% of the inoculated plants in a large-scale potato field trial (Clenze, Germany). Furthermore, this protocol can be used to assess Fo47 biocontrol potential under field conditions. The presence of the fungus did not negatively affect plant yield or starch production and did not increase susceptibility to endemic pathogens.


2018 ◽  
Vol 1 (2) ◽  
pp. 34-44
Author(s):  
Faris E Mohammed ◽  
Dr. Eman M ALdaidamony ◽  
Prof. A. M Raid

Individual identification process is a very significant process that resides a large portion of day by day usages. Identification process is appropriate in work place, private zones, banks …etc. Individuals are rich subject having many characteristics that can be used for recognition purpose such as finger vein, iris, face …etc. Finger vein and iris key-points are considered as one of the most talented biometric authentication techniques for its security and convenience. SIFT is new and talented technique for pattern recognition. However, some shortages exist in many related techniques, such as difficulty of feature loss, feature key extraction, and noise point introduction. In this manuscript a new technique named SIFT-based iris and SIFT-based finger vein identification with normalization and enhancement is proposed for achieving better performance. In evaluation with other SIFT-based iris or SIFT-based finger vein recognition algorithms, the suggested technique can overcome the difficulties of tremendous key-point extraction and exclude the noise points without feature loss. Experimental results demonstrate that the normalization and improvement steps are critical for SIFT-based recognition for iris and finger vein , and the proposed technique can accomplish satisfactory recognition performance. Keywords: SIFT, Iris Recognition, Finger Vein identification and Biometric Systems.   © 2018 JASET, International Scholars and Researchers Association    


Author(s):  
W.J. Parker ◽  
N.M. Shadbolt ◽  
D.I. Gray

Three levels of planning can be distinguished in grassland farming: strategic, tactical and operational. The purpose of strategic planning is to achieve a sustainable long-term fit of the farm business with its physical, social and financial environment. In pastoral farming, this essentially means developing plans that maximise and best match pasture growth with animal demand, while generating sufficient income to maintain or enhance farm resources and improvements, and attain personal and financial goals. Strategic plans relate to the whole farm business and are focused on the means to achieve future needs. They should be routinely (at least annually) reviewed and monitored for effectiveness through key performance indicators (e.g., Economic Farm Surplus) that enable progress toward goals to be measured in a timely and cost-effective manner. Failure to link strategy with control is likely to result in unfulfilled plans. Keywords: management, performance


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