scholarly journals Vibration Edge Computing in Maritime IoT

2022 ◽  
Vol 3 (1) ◽  
pp. 1-18
Author(s):  
Anna Lito Michala ◽  
Ioannis Vourganas ◽  
Andrea Coraddu

IoT and the Cloud are among the most disruptive changes in the way we use data today. These changes have not significantly influenced practices in condition monitoring for shipping. This is partly due to the cost of continuous data transmission. Several vessels are already equipped with a network of sensors. However, continuous monitoring is often not utilised and onshore visibility is obscured. Edge computing is a promising solution but there is a challenge sustaining the required accuracy for predictive maintenance. We investigate the use of IoT systems and Edge computing, evaluating the impact of the proposed solution on the decision making process. Data from a sensor and the NASA-IMS open repository were used to show the effectiveness of the proposed system and to evaluate it in a realistic maritime application. The results demonstrate our real-time dynamic intelligent reduction of transmitted data volume by without sacrificing specificity or sensitivity in decision making. The output of the Decision Support System fully corresponds to the monitored system's actual operating condition and the output when the raw data are used instead. The results demonstrate that the proposed more efficient approach is just as effective for the decision making process.

2018 ◽  
Vol 36 (6) ◽  
pp. 1073-1097 ◽  
Author(s):  
Pascal Buehler ◽  
Peter Maas

Purpose The purpose of this paper is to enhance the understanding of consumer empowerment in the relationship between consumers and service providers. It draws on self-efficacy theory to conceptualize consumer empowerment and explain the impact on perceived performance risk in insurance decision making. Design/methodology/approach This study employs data collected from an online survey involving 487 consumers in Switzerland, who recently decided on an insurance service. A structural equation model quantifies both the psychological effects on consumers’ perception of insurance services and behavioral effects on their decision-making process. Findings Perceived consumer empowerment is conceptualized by perceived self-efficacy and perceived controllability. Both have a significant impact on perceived performance risk, while the former is partially mediated by the preference to delegate the decision to a surrogate. Moreover, customers’ involvement in the purchase process moderates both the direct and indirect effect of perceived self-efficacy on perceived performance risk. Research limitations/implications The results are based on consumers’ perceptions from a single country. Furthermore, consumers’ perceptions were surveyed with a time lag after the decision-making process. To increase rigor, perceptions should be collected during decision making. Practical implications Results show that consumer empowerment can be employed as a risk reduction strategy. Consumers with self-efficacy and controllability beliefs perceive significantly less performance risk; however, practitioners should consider that consumers are also motivated to make decisions independently rather than delegating their decisions. Furthermore, consumer empowerment depends on consumer will. For largely indifferent consumers, empowerment does not affect risk or decision delegation preference. Originality/value The study is among the few empirical works to examine the effects of consumer empowerment on the consumer-service provider relationship on an individual level. Furthermore, applying consumer empowerment in relationship marketing implies a shift in research focus to the question of how consumers construe decision-making situations rather than objectively measuring the state of consumer relationship.


2019 ◽  
Vol 74 (3) ◽  
pp. 400-415 ◽  
Author(s):  
Frida Bahja ◽  
Cihan Cobanoglu ◽  
Katerina Berezina ◽  
Carolin Lusby

Purpose The purpose of the study was to discover the relative importance of influencing factors toward booking a cruise vacation. Based on a review of literature, this study focused on exploring the relative importance of six influential factors in cruise customers’ decision-making process: cruise vacation price, cruise duration, distance from the cruise port, itineraries, environmental friendliness of cruise line and cruise online reviews. Design/methodology/approach The complexity of cruise customers’ decision-making process for involving these six attributes with several levels was examined with choice-based conjoint (CBC) analysis. CBC was selected due to its realistic approach to purchase decisions, in the form of trade-offs. The online survey collected data anonymously. The survey was distributed through Amazon’s Mechanical Turk (Mturk) platform. The sample consisted of 450 cruise customers, who had experienced a cruise vacation before. Findings The findings of the study showed that online reviews were the most influential attribute for cruise customers in their cruise decision, followed very closely by the environmental friendliness of the cruise line. The next influential factor was the duration of the cruise vacation, which was followed by distance from the cruise port, cruise itinerary and cruise vacation price. The best and the worst cruise vacation profiles were generated based on the CBC analysis. Practical implications The findings of this study provide some insights with regard to cruise customers’ importance about influencing factors when deciding on a cruise vacation. Originality/value The research provides insides in understanding the influential factors at the last stage of cruise customers’ decision-making process. In this regard, cruise industry can pay more attention in promoting the attributes of a cruise offer as influential factors. Additionally, the findings of this study contribute to the general knowledge about cruise customers’ decision-making process.


2017 ◽  
Vol 12 (3) ◽  
pp. 242-257 ◽  
Author(s):  
Tony Gear ◽  
Hong Shi ◽  
Barry J. Davies ◽  
Nagah Abdlelaziz Fets

Purpose The purpose of this paper is to explore and analyze relationships between contextual factors, and micro-cognitive, emotional and relational factors, influencing the strategic decision-making process. Design/methodology/approach The relative roles of “rationality,” “intuition” and “political behavior” in five recent and critical strategic decisions have been explored using 16 semi-structured interviews with senior decision-makers in three Middle Eastern Arabic commercial banks. Findings Context specific macro-factors were found to influence the emotional state of strategists, leading them to adopt a rational approach, rather than use intuitive judgment, to making all five decisions. Research limitations/implications The study was limited to one contextual situation and business sector in order to maintain these variables relatively constant, with proposals for extending studies to other business situations and contexts. Practical implications The paper provides evidence for the impact of micro emotional and relational factors on decision-making practice, which should lead to increased recognition for strategists, and organizations, of the importance of these influences on strategic decision practice. Social implications A social implication is that organizations should build a level of awareness of the impact of the mood of strategists who are involved with strategic decisions, perhaps through appropriately designed social processes of organizational learning. Originality/value The paper examines the little-researched influence of the mood of strategists on the nature of decision-making process, and demonstrates the importance of including emotional factors in future studies. An explanatory framework is developed which is consistent with an interpretation that places the emotional state (mood) of “concerned attention” which existed within the senior management groups as the dominant factor driving the nature of process. A generalized research framework is proposed to aid future studies of strategic processes.


2019 ◽  
Vol 11 (4) ◽  
pp. 378-391 ◽  
Author(s):  
Vikas Gupta

Purpose This study aims to evaluate the role of social media on the hotel decision-making process of consumers during the evaluation stage of searching, identifying the alternatives and selecting a hotel in India. It will help the stakeholders in the hotel industry of India to make the social media platform more efficient for consumers by providing inputs on the factors consumers consider while making online hotel purchase. Design/methodology/approach This study involves an exploratory qualitative approach which includes 32 face-to-face, semi-structured, in-depth individual interviews with the social media platform users. The selection of interviewees for this study has been done on the basis of a non-random purposive sampling approach. Findings The findings reveal that social media plays an important role in affecting the way consumers search, decide and book hotels. It also suggests that social media helps consumers in collecting information about products and services, assessing alternatives and making their choices. It confirms that while negative facets exist, the positive benefits outweigh the negative aspects of using social media when selecting a hotel. The results also reveal the impact of circumstantial influence related to social media on hotel selection, on the basis of content source and the level of trust and accuracy in the content. Practical implications This study has some strategic implications for hospitality marketing and management related to a better understanding of the influence of social media on the hotel customer decision-making process. The study shows that a variety of social media with associated content sources and levels add to the complexity of hotel-related information search and decision behaviour. Originality/value The study makes a contribution by addressing the existing gaps and bridging the arena of consumer behaviour and social media literature in a hotel context and sheds light on how consumer decisions while selecting a hotel are influenced through social media. The core contribution is the generation of factors through in-depth interviews which are based on real-life scenarios relating to the influence of social media on hotel decision-making.


2015 ◽  
Vol 16 (1) ◽  
pp. 28-33
Author(s):  
Sally Gibson

Purpose – The purpose of this paper is to show the value of benchmarking organizational performance in order to enable conversations about workflow analysis and potential changes. Design/methodology/approach – Data from a time-to-shelf study are compared to literature describing similar studies at other academic libraries which enable the decision-making process for a new workflow. Findings – The results of a time-to-shelf study necessitated a change in workflow. This paper examines how the data enabled staff to agree to changes and supported the decision-making process. Originality/value – This paper examines the impact of evidence-based decision making on the performance and workflow of a technical services department.


2019 ◽  
Vol 21 (2) ◽  
pp. 95-112
Author(s):  
Cencheng Zhao ◽  
Eunhwa Yang ◽  
Yiqian Nie ◽  
Justin D. Russo

Purpose This paper aims to provide organizations with a new tool to make decisions related to a facility (building) selection process. Traditionally, value engineering (VE) applies the Value = Function/Cost formula to evaluate the worth of a product. In this paper, the VE-based facility-selection approach is proposed, where the cost of a facility is expressed in net present value (NPV) as it contains the net expense of purchasing or leasing a building as well as the time value of money. Also, a method of quantifying functions and involved risks of different facility choices is proposed. Design/methodology/approach The framework of the VE-based facility-selection process is broken down into three steps: preparation, calculation/analysis and assessment. In the latter part of this paper, the authors share a sample analysis by illustrating the analysis and decision-making process when three hypothetical facility-selection options are available. Findings The sample analysis indicates that companies can get the lowest cost and risk while improving their functions to achieve the highest value by using the modified VE formula to drive an optimal option for company’s business expansion and facility-selection process. Originality/value This paper provides organizations with a strategic system and process to select proper facilities or buildings for business expansion. The VE approach suggested in this study can allow facility/real estate portfolio decision-makers to analyze financial and functional aspects of the facility at the same time and obtain the value coefficient when they choose a new facility from different options. Finally, they can select the best option, which has the highest value coefficient, given financial and functional considerations.


2020 ◽  
Vol ahead-of-print (ahead-of-print) ◽  
Author(s):  
Irum Saba ◽  
Mohamed Ariff ◽  
Eskandar Shah Mohd Rasid

Purpose Shari’ah provides the basic tenets of the Islamic finance industry and advocates banks to share their profits and losses with investors. But what it means for a firm to be “Shari’ah-compliant” and what form of connections it can have, even in theory, to either the firm’s value or profitability is still an untapped question. This study tries to answer this question. This study aims to find the impact of Shari’ah compliance on firm performance. The results obtained would be useful in helping investors, regulators, companies, government, academicians and practitioners in their decision-making process as to ensure better economic and business gains, both locally and globally. Design/methodology/approach Panel data on 634 Shari’ah-compliant firms have been used in this study for the period of 2000–2014. Findings The results indicate that Shari’ah compliance adds to the value of firms as firms perform transactions according to Shari’ah while avoiding non-permissible activities. Originality/value This study adds value to the existing literature by showing the statistical results for the impact of Shari’ah compliance on the performance of the listed firms on Bursa Malaysia.


Kybernetes ◽  
2019 ◽  
Vol 49 (4) ◽  
pp. 1127-1142 ◽  
Author(s):  
Kyriaki Argyro Tsioptsia ◽  
Ioannis Mallidis ◽  
Thomas Siskou ◽  
Nikolaos Sariannidis

Purpose This paper aims to examine the impact of the Greek economic crisis on the sustainability of the Turkish economy. Design/methodology/approach A generalized autoregressive conditional heteroskedasticity (GARCH) model is used over the Thomson Reuter’s Turkey Index for the period of May 1999 to August 2018 using monthly data. The control variables introduced in the proposed model are the S&P 500 of the US stock market and crude oil prices which are used to isolate more general systemic factors. Findings The structural analysis of volatility with the EGARCH model has shown that current volatility is more influenced by past volatility than by previous month shocks. Research limitations/implications The results can be exploited by investors, portfolio managers and policy makers in their decision-making process. Originality/value It is a first-time effort that examines the impact of the Greek economic crisis on the sustainability of the Turkish economy. The developed methodology can be used by investors, portfolio managers and policy makers in their decision-making process.


2015 ◽  
Vol 21 (6) ◽  
pp. 1377-1390 ◽  
Author(s):  
Guilherme Luz Tortorella ◽  
Laurence Escobar ◽  
Cláudia Rodrigues

Purpose – The use of the general satisfaction index (GSI) concept is a great way to measure the organizational climate. However, the traditional concept has an inaccurate calculation approach. In order to review this concept, the purpose of this paper is to propose a methodology to obtain this index through a more appropriate mathematical approach, supported by some linear algebra concepts. For this purpose, an organizational climate survey was carried out in a bank agency to exemplify application of this method. Each step of the application was detailed, as well as the intermediate results achieved. Among its principal benefits are: improved accuracy to obtain the GSI; the possibility of a comparison with a minimum required rate for the decision-making process; and the possibility of identifying the order of priority of the organizational climate dimensions that mostly need improvements. Design/methodology/approach – The working method was divided into three parts. The first part consists of the collection of data on employee satisfaction through a questionnaire based on Luz (2003) considerations and presented in a research performed by Maciel (2011), which uses 27 pertinent questions directed to the context of a banking system. These questions were answered on a scale from 0 to 4, where 0 means a very negative satisfaction condition and 4 a very positive one. The second part dealt with the application of the methodology for calculating GSI. The third and final part consisted of proposing improvements to increase the GSI of the studied bank agency. Findings – In general, the proposed method has proved to be a great ally to climate research and also to identify the need for improvements in banking context. Finally, the use of the 5W2H tool has proved important to improve weak points observed in the climate analysis, providing an initial guide to raise the agency’s GSI and achieve the goals pursued by the company. It is noteworthy that, due to the fact that improvement actions have been inferred based on direct observation, there is still a need for further analysis and/or debates about the impact and viability of these solutions. Originality/value – The proposed method turns GSI into a more accurate and appropriate tool, making it even more valuable in decision-making process faced by human resources departments focussed on improving or maintaining the organizational climate. To illustrate the application of the new approach regarding this tool, an organizational climate study in a bank branch is conducted.


2015 ◽  
Vol 2 (1) ◽  
pp. 33
Author(s):  
Loreta Bebi ◽  
Brunilda Llaftiu

Taking into consideration the fact that nowadays ethics regarding the accounting profession constitutes one of the most discussed issues all over the world this paper aims to study the impact of organizational variables in the ethical decision-making process of Albanian accountants. Based on the previous researches made mainly in developed countries and as in Albania researches regarding this discipline are extremely rare in this study four organizational variables will be considered:Code of Ethics, industry type, organization size and ethical climate.A sample of about one hundred management accountants who work in Albanian organizations was chosed and they were asked to fill a questionarie regarding these variables and their impact in the ethical decision-making process. Data were entered and processed in SPSS and concluded that these factors have no significant in the ethical decision-making process of the accountants. This study represents a simple contribution for our country as we have an emerging economy for which understanding the factors that influence the ethical decision-making process is crucial.


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