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1 – 10 of 429
Open Access
Article
Publication date: 9 October 2023

Aya Khaled Youssef Sayed Mohamed, Dagmar Auer, Daniel Hofer and Josef Küng

Data protection requirements heavily increased due to the rising awareness of data security, legal requirements and technological developments. Today, NoSQL databases are…

1067

Abstract

Purpose

Data protection requirements heavily increased due to the rising awareness of data security, legal requirements and technological developments. Today, NoSQL databases are increasingly used in security-critical domains. Current survey works on databases and data security only consider authorization and access control in a very general way and do not regard most of today’s sophisticated requirements. Accordingly, the purpose of this paper is to discuss authorization and access control for relational and NoSQL database models in detail with respect to requirements and current state of the art.

Design/methodology/approach

This paper follows a systematic literature review approach to study authorization and access control for different database models. Starting with a research on survey works on authorization and access control in databases, the study continues with the identification and definition of advanced authorization and access control requirements, which are generally applicable to any database model. This paper then discusses and compares current database models based on these requirements.

Findings

As no survey works consider requirements for authorization and access control in different database models so far, the authors define their requirements. Furthermore, the authors discuss the current state of the art for the relational, key-value, column-oriented, document-based and graph database models in comparison to the defined requirements.

Originality/value

This paper focuses on authorization and access control for various database models, not concrete products. This paper identifies today’s sophisticated – yet general – requirements from the literature and compares them with research results and access control features of current products for the relational and NoSQL database models.

Details

International Journal of Web Information Systems, vol. 20 no. 1
Type: Research Article
ISSN: 1744-0084

Keywords

Open Access
Article
Publication date: 19 April 2024

Camélia Radu and Gulliver Lux

Municipalities have the potential to become models of the circular economy (CE). This paper aims to examine the impact of the municipal council’s characteristics on municipal CE…

Abstract

Purpose

Municipalities have the potential to become models of the circular economy (CE). This paper aims to examine the impact of the municipal council’s characteristics on municipal CE disclosure and promotion.

Design/methodology/approach

This paper is based on the resource dependence and upper echelons theories. For a sample of the 100 largest cities in Canada, a mixed methodology is used to code and analyze data and test the hypotheses.

Findings

Municipal councillors’ education and experience related to the environment or sustainability are both likely to affect CE disclosure, and their sector membership (public or private) moderates the relationship between CE disclosure and councillors’ experience. This experience may be reinforced by membership in the private sector, which has applied CE principles more extensively than the public sector has. Municipal councils with a greater number of councillors from the private sector appear to perform better in matters of transparency and to disclose more CE information on their public websites.

Practical implications

Municipalities could use the findings to foster their transition to CE by implementing a CE-related training plan for their councillors. A CE-dedicated section on their websites could improve transparency and inform and educate residents about CE.

Social implications

The public sector could learn from the private sector’s best practices regarding CE.

Originality/value

This paper contributes to the literature by providing empirical evidence of the transparency and engagement of municipalities toward CE. The authors extend the resource dependence and upper echelons theories to a new context, that of public organizations.

Details

Sustainability Accounting, Management and Policy Journal, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 2040-8021

Keywords

Open Access
Article
Publication date: 12 January 2024

Ernesto Cardamone, Gaetano Miceli and Maria Antonietta Raimondo

This paper investigates how two characteristics of language, abstractness vs concreteness and narrativity, influence user engagement in communication exercises on innovation…

Abstract

Purpose

This paper investigates how two characteristics of language, abstractness vs concreteness and narrativity, influence user engagement in communication exercises on innovation targeted to the general audience. The proposed conceptual model suggests that innovation fits well with more abstract language because of the association of innovation with imagination and distal construal. Moreover, communication of innovation may benefit from greater adherence to the narrativity arc, that is, early staging, increasing plot progression and climax optimal point. These effects are moderated by content variety and emotional tone, respectively.

Design/methodology/approach

Based on a Latent Dirichlet allocation (LDA) application on a sample of 3225 TED Talks transcripts, the authors identify 287 TED Talks on innovation, and then applied econometric analyses to test the hypotheses on the effects of abstractness vs concreteness and narrativity on engagement, and on the moderation effects of content variety and emotional tone.

Findings

The authors found that abstractness (vs concreteness) and narrativity have positive effects on engagement. These two effects are stronger with higher content variety and more positive emotional tone, respectively.

Research limitations/implications

This paper extends the literature on communication of innovation, linguistics and text analysis by evaluating the roles of abstractness vs concreteness and narrativity in shaping appreciation of innovation.

Originality/value

This paper reports conceptual and empirical analyses on innovation dissemination through a popular medium – TED Talks – and applies modern text analysis algorithms to test hypotheses on the effects of two pivotal dimensions of language on user engagement.

Details

European Journal of Innovation Management, vol. 27 no. 9
Type: Research Article
ISSN: 1460-1060

Keywords

Open Access
Article
Publication date: 12 January 2024

Dawood Ahmed Mahdi

This paper aims to investigate the effectiveness of Language Enhancement Program (LEP) activities in enhancing the oral communication skills of English as a Foreign Language (EFL…

1224

Abstract

Purpose

This paper aims to investigate the effectiveness of Language Enhancement Program (LEP) activities in enhancing the oral communication skills of English as a Foreign Language (EFL) students at King Khalid University.

Design/methodology/approach

A mixed-method study design was used. Simple random sampling techniques were adopted to recruit the study participants. For the survey, a total of 58 male students were recruited and for interviews, 20 male students were selected. The 58 participants were randomly divided into experimental and control groups. The traditional method was adopted to teach the control group, while LEP activities were conducted to teach the experimental group.

Findings

A post-test was conducted to examine the oral communication skills of the participants of the experimental group. The scores of both groups were analyzed using a t-test value at a significant level of 0.05. The content analysis method was adopted to assess the enhancement of the oral communication of the students enrolled in the LEP. The questionnaires and interview results showed that the LEP program has a central focus on improving students' oral communication skills.

Research limitations/implications

It is limited to the EFL students at King Khalid University.

Practical implications

LEP is a good program and can be implemented in Saudi Universities.

Social implications

Students can interact with one another through the LEP activities that promote their English proficiency as well as their personality characteristics.

Originality/value

The paper spells out the role of LEP activities in improving students' oral communication in English and students' opinions about LEP activities in enhancing their English language in different types of communicative contexts. Further, it suggests some pedagogical implications for overcoming the difficulties faced by EFL students in various communicative contexts.

Details

Saudi Journal of Language Studies, vol. 4 no. 1
Type: Research Article
ISSN: 2634-243X

Keywords

Open Access
Article
Publication date: 22 February 2024

Francisca Letícia Ferreira de Lima, Rafael Barros Barbosa, Alesandra Benevides and Fernando Daniel de Oliveira Mayorga

This paper examines the impact of extreme rainfall shocks on the performance in test scores of students living near at-risk urban areas in Brazil.

Abstract

Purpose

This paper examines the impact of extreme rainfall shocks on the performance in test scores of students living near at-risk urban areas in Brazil.

Design/methodology/approach

To identify the causal effect, we consider the exogenous variation of rainfall at the municipal level conditioned on the distance from the school to risk areas and the rainfall intensity in the school months.

Findings

The results suggest that extreme precipitation shocks, defined as a shock of at least three months of high-intensity rainfall, have an adverse impact on both math and language performance. Through a heterogeneous effects analysis, we find that the impact varies by student gender, with girls being more affected. In addition, among students who study near at-risk areas, those with better previous school performance and higher socioeconomic status are more negatively affected.

Originality/value

Our results suggest that extreme weather events can increase the differences in human capital accumulation between the population living near risk areas and those living more distant from these areas.

Details

EconomiA, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1517-7580

Keywords

Open Access
Article
Publication date: 7 December 2023

Stella Afi Makafui Yegblemenawo and Enoch Ntsiful

The study aims to assess the effect of English and French language literacy on the welfare of Ghanaian women in trade. Also, this study analyses the geographical variations of…

Abstract

Purpose

The study aims to assess the effect of English and French language literacy on the welfare of Ghanaian women in trade. Also, this study analyses the geographical variations of such effects from rural to urban areas.

Design/methodology/approach

Using the latest living standards survey data, the standard two-stage least squares instrumental variable approach was used to estimate the causal effects.

Findings

The results show that Ghanaian women in trade who are both English and French literate or only English literate are able to improve their welfare significantly relative to their fellows who are illiterate in both English and French or only English, whilst those who are solely French literate do not experience any significant improvement in welfare from trade compared with their counterparts. From the heterogeneous analysis, the findings indicate that the effect is significantly concentrated amongst rural traders but insignificant amongst urban traders.

Practical implications

The findings of this study inform government and policymakers to consider the effectiveness of the free senior high school (SHS) education policy in improving English and French language literacy and the welfare of women in Ghana. It also informs educational institutions on the importance of adult education in English and French, especially amongst women.

Originality/value

The study quantitatively estimates the effect of English and French language literacy on the welfare of Ghanaian women in trade by employing an instrumental variable approach to assess the causal effect. Uniquely, the study finds that language literacy is a significant tool in improving the welfare of rural women engaged in trade in Ghana.

Details

Journal of Humanities and Applied Social Sciences, vol. 6 no. 1
Type: Research Article
ISSN: 2632-279X

Keywords

Open Access
Article
Publication date: 18 April 2024

Joseph Nockels, Paul Gooding and Melissa Terras

This paper focuses on image-to-text manuscript processing through Handwritten Text Recognition (HTR), a Machine Learning (ML) approach enabled by Artificial Intelligence (AI)…

Abstract

Purpose

This paper focuses on image-to-text manuscript processing through Handwritten Text Recognition (HTR), a Machine Learning (ML) approach enabled by Artificial Intelligence (AI). With HTR now achieving high levels of accuracy, we consider its potential impact on our near-future information environment and knowledge of the past.

Design/methodology/approach

In undertaking a more constructivist analysis, we identified gaps in the current literature through a Grounded Theory Method (GTM). This guided an iterative process of concept mapping through writing sprints in workshop settings. We identified, explored and confirmed themes through group discussion and a further interrogation of relevant literature, until reaching saturation.

Findings

Catalogued as part of our GTM, 120 published texts underpin this paper. We found that HTR facilitates accurate transcription and dataset cleaning, while facilitating access to a variety of historical material. HTR contributes to a virtuous cycle of dataset production and can inform the development of online cataloguing. However, current limitations include dependency on digitisation pipelines, potential archival history omission and entrenchment of bias. We also cite near-future HTR considerations. These include encouraging open access, integrating advanced AI processes and metadata extraction; legal and moral issues surrounding copyright and data ethics; crediting individuals’ transcription contributions and HTR’s environmental costs.

Originality/value

Our research produces a set of best practice recommendations for researchers, data providers and memory institutions, surrounding HTR use. This forms an initial, though not comprehensive, blueprint for directing future HTR research. In pursuing this, the narrative that HTR’s speed and efficiency will simply transform scholarship in archives is deconstructed.

Open Access
Article
Publication date: 25 April 2024

Marianne Thejls Ziegler and Christoph Lütge

This study aims to analyse the differences between professional interaction mediated by video conferencing and direct professional interaction. The research identifies diverging…

Abstract

Purpose

This study aims to analyse the differences between professional interaction mediated by video conferencing and direct professional interaction. The research identifies diverging interests of office workers for the purpose of addressing work ethical and business ethical issues of professional collaboration, competition, and power in future hybrid work models.

Design/methodology/approach

Based on 28 qualitative interviews conducted between November 2020 and June 2021, and through the theoretical lens of phenomenology, the study develops explanatory hypotheses conceptualising four basic intentions of professional interaction and their corresponding preferences for video conferences and working on site.

Findings

The four intentions developed on the basis of the interviews are: the need for physical proximity; the challenge of collective creativity; the will to influence; and control of communication. This conceptual framework qualifies a moral ambivalence of professional interaction. The authors identify a connectivity paradox of professional interaction where the personal dimension remains unarticulated for the purpose of maintaining professionality. This tacit human connectivity is intertwined with latent power relations. This plasticity of both connectivity and power in direct interaction can be diminished by transferring the interaction to video conferencing.

Originality/value

The application of phenomenology to a collection of qualitative interviews has enabled the identification of underlying intention structures and the system in which they affect each other. This research identifies conflicts of interests between workers relative to their different self-perceived abilities to persevere in competitive professional interaction. It is therefore able to address consequences of future hybrid work models at an existential and societal level.

Open Access
Article
Publication date: 5 April 2024

Miquel Centelles and Núria Ferran-Ferrer

Develop a comprehensive framework for assessing the knowledge organization systems (KOSs), including the taxonomy of Wikipedia and the ontologies of Wikidata, with a specific…

Abstract

Purpose

Develop a comprehensive framework for assessing the knowledge organization systems (KOSs), including the taxonomy of Wikipedia and the ontologies of Wikidata, with a specific focus on enhancing management and retrieval with a gender nonbinary perspective.

Design/methodology/approach

This study employs heuristic and inspection methods to assess Wikipedia’s KOS, ensuring compliance with international standards. It evaluates the efficiency of retrieving non-masculine gender-related articles using the Catalan Wikipedian category scheme, identifying limitations. Additionally, a novel assessment of Wikidata ontologies examines their structure and coverage of gender-related properties, comparing them to Wikipedia’s taxonomy for advantages and enhancements.

Findings

This study evaluates Wikipedia’s taxonomy and Wikidata’s ontologies, establishing evaluation criteria for gender-based categorization and exploring their structural effectiveness. The evaluation process suggests that Wikidata ontologies may offer a viable solution to address Wikipedia’s categorization challenges.

Originality/value

The assessment of Wikipedia categories (taxonomy) based on KOS standards leads to the conclusion that there is ample room for improvement, not only in matters concerning gender identity but also in the overall KOS to enhance search and retrieval for users. These findings bear relevance for the design of tools to support information retrieval on knowledge-rich websites, as they assist users in exploring topics and concepts.

Open Access
Article
Publication date: 22 August 2023

Tatiana Anisimova, Soniya Billore and Philip J. Kitchen

Via the lens of the ego-depletion phenomenon (Baumeister et al., 1998) and Higgins' (1998) regulatory focus theory, this paper seeks to explain why current controlled…

Abstract

Purpose

Via the lens of the ego-depletion phenomenon (Baumeister et al., 1998) and Higgins' (1998) regulatory focus theory, this paper seeks to explain why current controlled communications are failing to achieve coherence between people's free will and their actions pursuing sustainable goals in a society. This paper explains how ego-depletion triggered by controlled communications can lead to confusion and decision fatigue in a society, thus potentially sabotaging people's participation in sustainable behaviour.

Design/methodology/approach

The authors applied Jaakkola's (2020) theory synthesis approach to integrate concepts from previously unconnected disciplines in order to generate novel insights in the area of controlled communication management.

Findings

The authors develop a theoretical framework and present research propositions that can help advance research and the discourse at the intersection of controlled communication and self-regulation theories.

Research limitations/implications

This paper possesses the limitations associated with conceptual papers, e.g. the lack of empirical support of the study’s conceptual arguments.

Practical implications

This paper generates novel insights to assist communication practitioners and policymakers to improve vehicles and mechanisms of controlled communication with the public regarding sustainable goals pursuit.

Originality/value

To the best of authors' knowledge, this is one of the first papers that has merged the domains of self-regulation, ego-depletion, and controlled communication in an integrative framework in order to explain the mechanisms of how to enhance the effectiveness of controlled communication associated with sustainable goals pursuit.

Details

Journal of Communication Management, vol. 28 no. 1
Type: Research Article
ISSN: 1363-254X

Keywords

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