scholarly journals Research trends on CAPTCHA: A systematic literature

2021 ◽  
Vol 11 (5) ◽  
pp. 4300
Author(s):  
Igbekele Emmanuel O. ◽  
Adebiyi Ayodele A. ◽  
Ibikunle Francis A. ◽  
Adebiyi Marion O. ◽  
Olugbara O. Oludayo
Keyword(s):  
Web Services ◽  
Turing Test ◽  
Human Interaction ◽  
Future Research ◽  
Current Trends ◽  
Emerging Trends ◽  
The Subject ◽  
Use Of The Internet ◽  
Automated Processes ◽  
Research Endeavor

The advent of technology has crept into virtually all sectors and this has culminated in automated processes making use of the Internet in executing various tasks and actions. Web services have now become the trend when it comes to providing solutions to mundane tasks. However, this development comes with the bottleneck of authenticity and intent of users. Providers of these Web services, whether as a platform, as a software or as an Infrastructure use various human interaction proof’s (HIPs) to validate authenticity and intent of its users. Completely automated public turing test to tell computer and human apart (CAPTCHA), a form of IDS in web services is advantageous. Research into CAPTCHA can be grouped into two -CAPTCHA development and CAPTCH recognition. Selective learning and convolutionary neural networks (CNN) as well as deep convolutionary neural network (DCNN) have become emerging trends in both the development and recognition of CAPTCHAs. This paper reviews critically over fifty article publications that shows the current trends in the area of the CAPTCHA scheme, its development and recognition mechanisms and the way forward in helping to ensure a robust and yet secure CAPTCHA development in guiding future research endeavor in the subject domain.

scholarly journals Entrepreneurial identity and context: Current trends and an agenda for future research

2019 ◽  
Vol 20 (1) ◽  
pp. 3-7 ◽  
Author(s):  
Paul Jones ◽  
Vanessa Ratten ◽  
Rita Klapper ◽  
Alain Fayolle
Keyword(s):  
Future Research ◽  
Special Issue ◽  
Research Gaps ◽  
Journal Issue ◽  
Theoretical Approaches ◽  
Current Trends ◽  
Emerging Trends ◽  
Current Thinking

Despite a burgeoning literature on entrepreneurial identity and context, there are still many unchartered research avenues requiring more elaboration. This special issue of the International Journal of Entrepreneurship and Innovation will try to answer some of the challenging issues on entrepreneurial identity and context by examining the topics through taking different empirical and theoretical approaches. The research gaps in the field and emerging trends in this area are discussed in terms of the themes of the articles in the special issue. The editorial concludes by discussing remaining areas worthy of attention and potential research pathways. While the research on entrepreneurial identity and context continues to make progress, it is clear from the articles in this special journal issue there are many more ways that research can develop and extend current thinking.

scholarly journals Current Issues in Conceptualisation, Measurement, and Research of Problematic Use of the Internet

2021 ◽  
Vol 30 (4) ◽  
pp. 741-762
Author(s):  
Josip Razum ◽  
Renata Glavak Tkalić ◽  
Tihana Brkljačić ◽  
Ines Sučić ◽  
Anja Wertag
Keyword(s):  
Short Review ◽  
Future Research ◽  
The Internet ◽  
Contemporary Society ◽  
Everyday Functioning ◽  
Problematic Use ◽  
Current Trends ◽  
Different Types ◽  
Methodological Problems ◽  
Use Of The Internet

Problematic use of the Internet (PUI) generally refers to use of different types of Internet content which is not under control and leads to difficulties in everyday functioning. It involves generalised PUI but also specific forms such as problematic use of videogames, social media, and pornography. The main aim of this paper is to offer a basic review of current trends in defining, measurement and research of PUI. The review of available papers points at methodological problems related to determining the prevalence of PUI, and insufficient direct investigation of postulates of existing models regarding the onset and maintenance of PUI. Moreover, this paper offers a critical review of existing instruments for measuring PUI and its specific forms, and recommends the most appropriate instruments. A short review of PUI research methodology and important findings is given. Finally, guidelines for future research in this area are provided, which enable us to investigate these phenomena of contemporary society in a comprehensive and sound way.

A Systematic Literature Review of the EFQM Excellence Model from 1991 to 2019

1970 ◽  
Vol 2 (2) ◽  
pp. 11-15
Author(s):  
Muhammad Yousaf ◽  
Petr Bris
Keyword(s):  
Quality Management ◽  
Data Collection ◽  
Literature Review ◽  
Systematic Literature Review ◽  
Quantitative Research ◽  
Web Of Science ◽  
State Of The Art ◽  
Future Research ◽  
European Foundation ◽  
The Subject

A systematic literature review (SLR) from 1991 to 2019 is carried out about EFQM (European Foundation for Quality Management) excellence model in this paper. The aim of the paper is to present state of the art in quantitative research on the EFQM excellence model that will guide future research lines in this field. The articles were searched with the help of six strings and these six strings were executed in three popular databases i.e. Scopus, Web of Science, and Science Direct. Around 584 peer-reviewed articles examined, which are directly linked with the subject of quantitative research on the EFQM excellence model. About 108 papers were chosen finally, then the purpose, data collection, conclusion, contributions, and type of quantitative of the selected papers are discussed and analyzed briefly in this study. Thus, this study identifies the focus areas of the researchers and knowledge gaps in empirical quantitative literature on the EFQM excellence model. This article also presents the lines of future research.

Changes in environment as cause for environmentally induced migration of people

2017 ◽  
pp. 527-537
Author(s):  
Aleksandra Ljustina
Keyword(s):  
Ad Hoc ◽  
Social Issues ◽  
Human Life ◽  
Modern Society ◽  
Human Interaction ◽  
Complex Relation ◽  
Environmental Migration ◽  
Global Environmental ◽  
Adequate Definition ◽  
The Subject

Migration is one of the oldest and most used strategies for overcoming negative social issues. Despite the fact that it is historically deeply rooted, environmental migration as a social phenomenon has only recently become the subject research of numerous scientific fields. However, the study of current environmental migration is characterized by a number of issues, such as absence of an adequate definition and multi-causality of environmental migration. In this paper, through conceptual framework, author analyzed two main questions: who are environmental migrants and what reasons cause environmental migration. Due to the destruction of the global environmental balance, as well as accumulated environmental disturbances, it is likely that environmental migration will increase in future and there is nowhere you cannot make more use of scientific and professional projection of the future than in demographic and environmental spheres of human life. There is no doubt that our future is unpredictable. However, the environmental factors influencing the pattern of human interaction with the environment must be taken into account when projecting future development of the modern society. Such is the context in which the complex relation among migration, change and the environment has to be studied. In order to establish the basis for controlling environmental migration caused by negative changes in the environment, it is necessary to adopt a consistent strategy instead of ad hoc activities that are being used. In this paper, author analyzed societal response for the challenges caused by environmental migration, specifically regarding actions related to governing environmental migrations.

Computer-Mediated Communication and Mental Health

2020 ◽  
pp. 78-110
Author(s):  
Adrian Meier ◽  
Emese Domahidi ◽  
Elisabeth Günther
Keyword(s):  
Mental Health ◽  
Computer Mediated Communication ◽  
Well Being ◽  
Future Research ◽  
Mediated Communication ◽  
Disciplinary Boundaries ◽  
Emerging Trends ◽  
Computer Mediated ◽  
The Relationship ◽  
Systematic Database

The relationship between computer-mediated communication (e.g., Internet or social media use) and mental health has been a long-standing issue of debate. Various disciplines (e.g., communication, psychology, sociology, medicine) investigate computer-mediated communication in relation to a great variety of negative (i.e., psychopathology) and positive (i.e., well-being) markers of mental health. We aim at charting this vast, highly fragmented, and fast growing literature by means of a scoping review. Using methods of computational content analysis in conjunction with qualitative analyses, we map 20 years of research based on 1,780 study abstracts retrieved through a systematic database search. Results reveal the most common topics investigated in the field, as well as its disciplinary boundaries. Our review further highlights emerging trends in the literature and points to unique implications for how future research should address the various relationships between computer-mediated communication and mental health.

scholarly journals Ionic and non-ionic intravenous X-ray contrast media: antibacterial agents?

2021 ◽  
pp. 028418512110198
Author(s):  
Frank Mosler ◽  
Johannes K Richter ◽  
Marc Schindewolf ◽  
Nando Mertineit ◽  
Hendrik von Tengg-Kobligk ◽  
...  
Keyword(s):  
Contrast Media ◽  
Bactericidal Effect ◽  
Future Research ◽  
Inhibitory Effects ◽  
X Ray ◽  
Percutaneous Abscess Drainage ◽  
Ionic Contrast ◽  
Bactericidal Effects ◽  
Free Iodine ◽  
The Subject

X-ray contrast media have been reported to have inhibitory effects on bacterial growth. Despite its potentially beneficial effect on patients, these features of contrast media have received relatively little attention in the medical literature in the past decades. The aim of this review is to evaluate the literature concerning the bactericidal and bacteriostatic effects of X-ray contrast media, specifically if there is a known difference concerning these effects between ionic and non-ionic contrast media. Systematic literature review was performed for the years of publication between 1911 and 2019. Since the publication of Grossich in 1911, the effect of iodine on the treatment of superficial infections in surgical procedures has been established clinical knowledge. Bacteriostatic and bactericidal effects of ionic X-ray contrast media are well established. However, non-ionic contrast agents have been the subject of little research in this respect. In past decades, the hypothesis emerged in the literature that mainly the concentration of free iodine might be responsible for any bacteriostatic or bactericidal effect of ionic X-ray contrast media. Nowadays, however, only non-ionic contrast media are used. The question regarding the mechanism and magnitude of bacteriostatic or bactericidal effects of these, non-ionic contrast media, could not be answered conclusively from this review. Non-ionic contrast media could be used intentionally when a local antibacterial effect is intended (e.g. in percutaneous abscess drainage), as well as to reduce the overall dose of antibiotics administered to a patient. Thus, this question remains relevant and might constitute the area of future research.

Metaphor Research and the Hebrew Bible

2021 ◽  
Vol 19 (3) ◽  
pp. 235-285
Author(s):  
Mason D. Lancaster
Keyword(s):  
Hebrew Bible ◽  
Conceptual Metaphor ◽  
Future Research ◽  
Conceptual Metaphor Theory ◽  
Current Trends ◽  
Metaphor Theory ◽  
Recent Developments

This article provides an overview of metaphor theories and research on their own terms, as well as their use in Hebrew Bible (HB) studies. Though metaphor studies in the HB have become increasingly popular, they often draw upon a limited or dated subset of metaphor scholarship. The first half of this article surveys a wide variety of metaphor scholarship from the humanities (philosophical, poetic, rhetorical) and the sciences (e.g., conceptual metaphor theory), beginning with Aristotle but focusing on more recent developments. The second half overviews studies of metaphor in the HB since 1980, surveying works focused on theory and method; works focused on specific biblical books or metaphor domains; and finally noting current trends and suggesting areas for future research.

scholarly journals Tocopherols and Tocotrienols—Bioactive Dietary Compounds; What Is Certain, What Is Doubt?

2021 ◽  
Vol 22 (12) ◽  
pp. 6222
Author(s):  
Kacper Szewczyk ◽  
Aleksandra Chojnacka ◽  
Magdalena Górnicka
Keyword(s):  
Vitamin E ◽  
Metabolic Disorders ◽  
Tissue Concentration ◽  
Biological Properties ◽  
Biological Role ◽  
Future Research ◽  
The Past ◽  
The Subject ◽  
The Relationship

Tocopherols and tocotrienols are natural compounds of plant origin, available in the nature. They are supplied in various amounts in a diet, mainly from vegetable oils, some oilseeds, and nuts. The main forms in the diet are α- and γ-tocopherol, due to the highest content in food products. Nevertheless, α-tocopherol is the main form of vitamin E with the highest tissue concentration. The α- forms of both tocopherols and tocotrienols are considered as the most metabolically active. Currently, research results indicate also a greater antioxidant potential of tocotrienols than tocopherols. Moreover, the biological role of vitamin E metabolites have received increasing interest. The aim of this review is to update the knowledge of tocopherol and tocotrienol bioactivity, with a particular focus on their bioavailability, distribution, and metabolism determinants in humans. Almost one hundred years after the start of research on α-tocopherol, its biological properties are still under investigation. For several decades, researchers’ interest in the biological importance of other forms of vitamin E has also been growing. Some of the functions, for instance the antioxidant functions of α- and γ-tocopherols, have been confirmed in humans, while others, such as the relationship with metabolic disorders, are still under investigation. Some studies, which analyzed the biological role and mechanisms of tocopherols and tocotrienols over the past few years described new and even unexpected cellular and molecular properties that will be the subject of future research.

Sustainability Certification and Green Public Procurement: Ideals and Outcomes in a New Jersey School District

2021 ◽  
pp. 097340822110125
Author(s):  
Cluny Mendez ◽  
Christopher L. Atkinson
Keyword(s):  
New Jersey ◽  
School District ◽  
School Districts ◽  
Best Practices ◽  
Public Procurement ◽  
Lessons Learned ◽  
Future Research ◽  
Review Of The Literature ◽  
Green Public Procurement ◽  
The Subject

The implementation of sustainability and green public procurement (GPP) initiatives in school districts has been the subject of some debate; questions over definitions and programme goals have led to inconsistency and concerns about programme achievements. The legitimacy of programmes rests not only with the announcement of policy by officials, but with adherence to policy and staff buy-in. This study examines barriers districts face, and makes recommendations based upon district experience on ways to successfully implement sustainability and GPP initiatives. A review of the literature on GPP and legitimacy in the execution of public functions within the education domain begins the study. Major components relative to best practices for GPP programmes are studied through the review of GPP-related documents from a school district in New Jersey considered as an exemplar of such programmes. Analysis of an interview with the district’s representatives suggests that, despite the normative approval such programmes receive, and widespread understanding of the rationale for pursuing such initiatives, there remain critical failings in implementation of these programmes, stemming from education, resourcing of initiatives and prioritization of green procurement in relation to other district priorities. The study concludes with lessons learned from this case, which is important given its positioning within New Jersey as an exemplar and recommendations for future research where work in this area is needed.

scholarly journals Mapping and Clustering Analysis on Environmental, Social and Governance Field a Bibliometric Analysis Using Scopus

2021 ◽  
Vol 13 (13) ◽  
pp. 7304
Author(s):  
Shang Gao ◽  
Fanchen Meng ◽  
Zhouyang Gu ◽  
Zhiyuan Liu ◽  
Muhammad Farrukh
Keyword(s):  
Bibliometric Analysis ◽  
Clustering Analysis ◽  
Research Agenda ◽  
Future Research ◽  
Unique Contribution ◽  
Research Directions ◽  
Current Trends ◽  
Bibliographic Data ◽  
Future Research Directions ◽  
Scopus Database

Academic interest in ESG has grown significantly in recent years. Nevertheless, bibliometric and visualization research on this topic is still insufficient. This study aims to conduct publication metrics on the literature connected with ESG and attempt to give a research agenda for future research. In this study, we used data from the Scopus database. Various bibliometric techniques, such as bibliographic coupling and co-occurrence analysis, were combined with assorted themes to present an overview. To the best of our knowledge, there is no study that analyses the bibliographic data on ESG fields; this study is a unique contribution to the literature. This study also provides an overview of the trends and trajectories with a visual and schematic frame for the research of this topic. This may help researchers understand the current trends and future research directions, and enable future authors to conduct their studies more effectively.

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