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Analysis of Soft Skills and Job Level with Data Science: A Case for Graduates of a Private University 数据科学对软技能和工作水平的影响分析:以某私立大学毕业生为例
IF 3.1 Q2 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2023-02-13 DOI: 10.3390/informatics10010023
Sofía Ramos-Pulido, N. Hernández-Gress, Gabriela Torres Delgado
This study shows the significant features predicting graduates’ job levels, particularly high-level positions. Moreover, it shows that data science methodologies can accurately predict graduate outcomes. The dataset used to analyze graduate outcomes was derived from a private educational institution survey. The original dataset contains information on 17,898 graduates and approximately 148 features. Three machine learning algorithms, namely, decision trees, random forest, and gradient boosting, were used for data analysis. These three machine learning models were compared with ordinal regression. The results indicate that gradient boosting is the best predictive model, which is 6% higher than the ordinal regression accuracy. The SHapley Additive exPlanations (SHAP), a novel methodology to extract the significant features of different machine learning algorithms, was then used to extract the most important features of the gradient boosting model. Current salary is the most important feature in predicting job levels. Interestingly, graduates who realized the importance of communication skills and teamwork to be good leaders also had higher job positions. Finally, general relevant features to predict job levels include the number of people directly in charge, company size, seniority, and satisfaction with income.
这项研究显示了预测毕业生工作水平的显著特征,尤其是高级职位。此外,它还表明,数据科学方法可以准确预测毕业生的成绩。用于分析毕业生成绩的数据集来自一项私立教育机构的调查。原始数据集包含17898名毕业生的信息和大约148个特征。三种机器学习算法,即决策树、随机森林和梯度提升,用于数据分析。将这三个机器学习模型与有序回归进行了比较。结果表明,梯度增强是最好的预测模型,其准确率比有序回归高6%。SHapley加性规划(SHAP)是一种提取不同机器学习算法重要特征的新方法,然后用于提取梯度增强模型的最重要特征。当前工资是预测工作水平的最重要特征。有趣的是,那些意识到沟通技巧和团队合作对成为优秀领导者的重要性的毕业生也有更高的职位。最后,预测工作水平的一般相关特征包括直接负责人的数量、公司规模、资历和对收入的满意度。
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引用次数: 0
Quality of E-Tax System and Tax Compliance Intention: The Mediating Role of User Satisfaction 电子税务系统质量与纳税意愿:用户满意度的中介作用
IF 3.1 Q2 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2023-02-08 DOI: 10.3390/informatics10010022
Prianto Budi Saptono, S. Hodžić, Ismail Khozen, Gustofan Mahmud, I. Pratiwi, Dwi Purwanto, Muhamad Akbar Aditama, Nisa’ul Haq, S. Khodijah
The effectiveness of the e-tax system in encouraging tax compliance has been largely unexplored. Thus, the current study aims to examine the interrelationship between technological predictors in explaining tax compliance intention among certified tax professionals. Based on the literature on information system success and tax compliance intention, this paper proposed an expanded conceptual framework that incorporates convenience and perception of reduced compliance costs as predictors and satisfaction as a mediator. The data were collected from 650 tax professionals who used e-Filing and 492 who used e-Form through an online survey and analyzed using hierarchical multiple regression. The empirical results suggest that participants’ perceived service quality of e-Filing services and perceptions of reduced compliance costs positively influence users’ willingness to comply with tax regulations. The latter predictor is also, and only, significant among e-Form users. The empirical results also provide statistical evidence for the mediating role of satisfaction in the relationship between all predictors and tax compliance intention. This study encourages tax policymakers and e-tax filing providers to improve their services to increase user satisfaction and tax compliance.
电子税务系统在鼓励纳税方面的有效性在很大程度上尚未得到探索。因此,本研究旨在检验技术预测因素之间的相互关系,以解释注册税务专业人员的纳税意愿。基于有关信息系统成功和税务合规意图的文献,本文提出了一个扩展的概念框架,该框架将便利性和合规成本降低作为预测因素,将满意度作为中介因素。这些数据是通过在线调查从650名使用电子报税的税务专业人员和492名使用电子表格的税务专业人士中收集的,并使用分层多元回归进行分析。实证结果表明,参与者对电子备案服务的服务质量感知和合规成本降低的感知对用户遵守税收法规的意愿产生了积极影响。后一个预测因素在电子表格用户中也很重要,而且只是如此。实证结果也为满意度在所有预测因素与纳税遵从意愿之间的关系中的中介作用提供了统计证据。这项研究鼓励税务政策制定者和电子税务申报提供商改进服务,以提高用户满意度和税收合规性。
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引用次数: 3
An IoT-Fog-Cloud Integrated Framework for Real-Time Remote Cardiovascular Disease Diagnosis 用于心血管疾病实时远程诊断的物联网-雾-云集成框架
IF 3.1 Q2 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2023-02-06 DOI: 10.3390/informatics10010021
Abhilash Pati, Manoranjan Parhi, Mohammad M. Alnabhan, B. K. Pattanayak, A. Habboush, Mohammad K. Al Nawayseh
Recently, it has proven difficult to make an immediate remote diagnosis of any coronary illness, including heart disease, diabetes, etc. The drawbacks of cloud computing infrastructures, such as excessive latency, bandwidth, energy consumption, security, and privacy concerns, have lately been addressed by Fog computing with IoT applications. In this study, an IoT-Fog-Cloud integrated system, called a Fog-empowered framework for real-time analysis in heart patients using ENsemble Deep learning (FRIEND), has been introduced that can instantaneously facilitate remote diagnosis of heart patients. The proposed system was trained on the combined dataset of Long-Beach, Cleveland, Switzerland, and Hungarian heart disease datasets. We first tested the model with eight basic ML approaches, including the decision tree, logistic regression, random forest, naive Bayes, k-nearest neighbors, support vector machine, AdaBoost, and XGBoost approaches, and then applied ensemble methods including bagging classifiers, weighted averaging, and soft and hard voting to achieve enhanced outcomes and a deep neural network, a deep learning approach, with the ensemble methods. These models were validated using 16 performance and 9 network parameters to justify this work. The accuracy, PPV, TPR, TNR, and F1 scores of the experiments reached 94.27%, 97.59%, 96.09%, 75.44%, and 96.83%, respectively, which were comparatively higher when the deep neural network was assembled with bagging and hard-voting classifiers. The user-friendliness and the inclusion of Fog computing principles, instantaneous remote cardiac patient diagnosis, low latency, and low energy consumption, etc., are advantages confirmed according to the achieved experimental results.
最近,事实证明,很难立即远程诊断任何冠状动脉疾病,包括心脏病、糖尿病等。云计算基础设施的缺点,如过度延迟、带宽、能耗、安全和隐私问题,最近已通过物联网应用程序解决。在这项研究中,引入了一个物联网雾云集成系统,称为雾授权框架,用于使用ENsemble深度学习(FRIEND)对心脏病患者进行实时分析,该系统可以即时促进心脏病患者的远程诊断。所提出的系统是在长滩、克利夫兰、瑞士和匈牙利心脏病数据集的组合数据集上训练的。我们首先用八种基本的ML方法测试了模型,包括决策树、逻辑回归、随机森林、朴素贝叶斯、k近邻、支持向量机、AdaBoost和XGBoost方法,然后应用集成方法,包括袋分类器、加权平均和软投票和硬投票,以实现增强的结果和深度神经网络,采用集成方法的深度学习方法。使用16个性能和9个网络参数对这些模型进行了验证,以证明这项工作的合理性。实验的准确率、PPV、TPR、TNR和F1得分分别达到94.27%、97.59%、96.09%、75.44%和96.83%,当深度神经网络与套袋和硬投票分类器组合时,这些得分相对较高。根据所获得的实验结果,用户友好性和包含Fog计算原理、即时远程心脏病患者诊断、低延迟和低能耗等优点得到了证实。
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引用次数: 6
Impact of Applying Information and Communication Technology Tools in Physical Education Classes 信息通信技术工具在体育教学中的应用影响
IF 3.1 Q2 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2023-02-04 DOI: 10.3390/informatics10010020
A. Varga, László Révész
The authors of the present study explored how ICT devices used in P.E. lessons determine psychomotor performance, perceived motivational climate, and motivation. The students were allowed to use ICT devices (smartphone, webpages, Facebook) during a four-week intervention. In the course of the research project aimed to assess the impact of the application of ICT devices on performance and motivation, the participants were divided into two test groups and one control group. The sample consisted of secondary school students including 21 males and 64 females with the Mage = 16.72 years. The results showed that in groups where ICT devices were used, performance (p = 0.04) and task orientation (p = 0.00) significantly improved. Meanwhile, in the group in which ICT devices were not used, the intervention resulted in improved performance (p = 0.00) and by the end of the project, this trend was coupled with increased Ego orientation (p = 0.00) and higher rate of amotivation (p = 0.04). It can be concluded that the use of ICT tools has a positive impact on performance and motivation.
本研究的作者探讨了体育课中使用的ICT设备如何决定心理运动表现、感知的动机氛围和动机。在为期四周的干预中,学生们被允许使用ICT设备(智能手机、网页、Facebook)。在旨在评估信通技术设备应用对绩效和动机的影响的研究项目过程中,参与者被分为两个测试组和一个对照组。样本由中学生组成,包括21名男性和64名女性,年龄为16.72岁。结果显示,在使用ICT设备的组中,表现(p=0.04)和任务定向(p=0.00)显著改善。同时,在未使用信通技术设备的组中,干预措施提高了绩效(p=0.00),到项目结束时,这一趋势与自我导向的增加(p=0.00)和更高的激励率(p=0.04)相结合。可以得出结论,使用信通技术工具对绩效和动机有积极影响。
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引用次数: 2
Discovering Entities Similarities in Biological Networks Using a Hybrid Immune Algorithm 利用混合免疫算法发现生物网络中实体的相似性
IF 3.1 Q2 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2023-01-31 DOI: 10.3390/informatics10010018
Rocco A. Scollo, A. Spampinato, Georgia Fargetta, V. Cutello, M. Pavone
Disease phenotypes are generally caused by the failure of gene modules which often have similar biological roles. Through the study of biological networks, it is possible to identify the intrinsic structure of molecular interactions in order to identify the so-called “disease modules”. Community detection is an interesting and valuable approach to discovering the structure of the community in a complex network, revealing the internal organization of the nodes, and has become a leading research topic in the analysis of complex networks. This work investigates the link between biological modules and network communities in test-case biological networks that are commonly used as a reference point and which include Protein–Protein Interaction Networks, Metabolic Networks and Transcriptional Regulation Networks. In order to identify small and structurally well-defined communities in the biological context, a hybrid immune metaheuristic algorithm Hybrid-IA is proposed and compared with several metaheuristics, hyper-heuristics, and the well-known greedy algorithm Louvain, with respect to modularity maximization. Considering the limitation of modularity optimization, which can fail to identify smaller communities, the reliability of Hybrid-IA was also analyzed with respect to three well-known sensitivity analysis measures (NMI, ARI and NVI) that assess how similar the detected communities are to real ones. By inspecting all outcomes and the performed comparisons, we will see that on one hand Hybrid-IA finds slightly lower modularity values than Louvain, but outperforms all other metaheuristics, while on the other hand, it can detect communities more similar to the real ones when compared to those detected by Louvain.
疾病表型通常是由基因模块的失败引起的,这些基因模块通常具有相似的生物学作用。通过对生物网络的研究,可以识别分子相互作用的内在结构,从而识别所谓的“疾病模块”。社区检测是发现复杂网络中社区结构、揭示节点内部组织的一种有趣而有价值的方法,已成为复杂网络分析中的一个前沿研究课题。这项工作调查了测试用例中生物模块和网络社区之间的联系,生物网络通常用作参考点,包括蛋白质-蛋白质相互作用网络、代谢网络和转录调节网络。为了识别生物环境中结构明确的小群落,提出了一种混合免疫元启发式算法hybrid IA,并与几种元启发式、超启发式和著名的贪婪算法Louvain在模块化最大化方面进行了比较。考虑到模块化优化的局限性,它可能无法识别较小的社区,还根据三个众所周知的灵敏度分析指标(NMI、ARI和NVI)分析了混合IA的可靠性,这三个指标评估了检测到的社区与真实社区的相似程度。通过检查所有结果和执行的比较,我们将看到,一方面,混合IA发现的模块性值略低于Louvain,但优于所有其他元启发式,而另一方面,与Louvain检测到的社区相比,它可以检测到与真实社区更相似的社区。
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引用次数: 0
The Nexus between Business Analytics Capabilities and Knowledge Orientation in Driving Business Model Innovation: The Moderating Role of Industry Type 商业分析能力和知识导向在推动商业模式创新中的联系:行业类型的调节作用
IF 3.1 Q2 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2023-01-31 DOI: 10.3390/informatics10010019
M. Daradkeh
The importance of business analytics (BA) in driving knowledge generation and business innovation has been widely discussed in both the academic and business communities. However, empirical research on the relationship between knowledge orientation and business analytics capabilities in driving business model innovation remains scarce. Drawing on the knowledge-based view and dynamic capabilities theory, this study develops a model to investigate the interplay between knowledge orientation and BA capabilities in driving business model innovation. It also explores the moderating role of industry type on this relationship. To test the model, data were collected from a cross-sectional sample of 207 firms (high-tech and non-high-tech industries). Descriptive and structural equation modeling (SEM) were used to test the hypotheses. The findings showed that knowledge orientation and BA capabilities are significantly and positively related to business model innovation. Knowledge commitment, shared vision, and open-mindedness are significantly and positively related to BA perception and recognition capabilities and BA integration capabilities. BA capabilities mediated the relationship between knowledge orientation and business model innovation. The path mechanism of knowledge orientation → BA capabilities → business model innovation shows that industry type has a moderating effect on knowledge orientation and BA capabilities, as well as BA capabilities and business model innovation. This study provides empirically proven insights and practical guidance on the dynamics and mechanisms of BA and organizational knowledge capabilities and their impact on business model innovation.
商业分析(BA)在推动知识生成和商业创新方面的重要性已在学术界和商业界得到广泛讨论。然而,关于知识导向和商业分析能力在推动商业模式创新方面的关系的实证研究仍然很少。本研究借鉴基于知识的观点和动态能力理论,建立了一个模型来研究知识导向和BA能力在驱动商业模式创新中的相互作用。并探讨了产业类型对这种关系的调节作用。为了测试该模型,从207家公司(高科技和非高科技行业)的横断面样本中收集了数据。使用描述性和结构方程建模(SEM)来检验这些假设。研究结果表明,知识导向和BA能力与商业模式创新显著正相关。知识承诺、共同愿景和开放心态与BA感知和识别能力以及BA整合能力显著正相关。BA能力介导了知识导向与商业模式创新之间的关系。知识导向的路径机制→ BA能力→ 商业模式创新表明,行业类型对知识导向和BA能力、BA能力和商业模式创新具有调节作用。本研究为BA和组织知识能力的动态和机制及其对商业模式创新的影响提供了经验验证的见解和实践指导。
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引用次数: 5
The Prediction of Road-Accident Risk through Data Mining: A Case Study from Setubal, Portugal 基于数据挖掘的道路事故风险预测——以葡萄牙塞图巴尔为例
IF 3.1 Q2 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2023-01-30 DOI: 10.3390/informatics10010017
David Dias, José Silvestre Silva, Alexandre Bernardino
This work proposes a tool to predict the risk of road accidents. The developed system consists of three steps: data selection and collection, preprocessing, and the use of mining algorithms. The data were imported from the Portuguese National Guard database, and they related to accidents that occurred from 2019 to 2021. The results allowed us to conclude that the highest concentration of accidents occurs during the time interval from 17:00 to 20:00, and that rain is the meteorological factor with the greatest effect on the probability of an accident occurring. Additionally, we concluded that Friday is the day of the week on which more accidents occur than on other days. These results are of importance to the decision makers responsible for planning the most effective allocation of resources for traffic surveillance.
这项工作提出了一种预测道路事故风险的工具。开发的系统包括三个步骤:数据的选择和收集、预处理和挖掘算法的使用。这些数据是从葡萄牙国民警卫队的数据库中导入的,它们与2019年至2021年发生的事故有关。结果表明,17 ~ 20时是事故发生最集中的时段,降雨是对事故发生概率影响最大的气象因素。此外,我们得出结论,周五是一周中发生事故最多的一天。这些结果对负责规划最有效地分配交通监控资源的决策者具有重要意义。
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引用次数: 3
Towards Moving Objects Behavior Analysis: Region Speed Limit Rate Measure 面向运动对象的行为分析:区域限速率测度
IF 3.1 Q2 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2023-01-29 DOI: 10.3390/informatics10010015
Francisco Javier Moreno Arboleda, G. Garani, Simon Zea Gallego
In this paper, a measure is proposed that, based on the trajectories of moving objects, computes the speed limit rate in each of the cells in which a region is segmented (the space where the objects move). The time is also segmented into intervals. In this way, the behavior of moving objects can be analyzed with regard to their speed in a cell for a given time interval. An implementation of the corresponding algorithm for this measure and several experiments were conducted with the trajectories of taxis in Porto (Portugal). The results showed that the speed limit rate measure can be helpful for detecting patterns of movement, e.g., in a day (morning hours vs. night hours) or on different days of the week (weekdays vs. weekends). This measure might also serve as a rough estimate for congestion in a (sub)region. This may be useful for traffic analysis, including traffic prediction.
在本文中,提出了一种测量方法,该方法基于移动对象的轨迹,计算分割区域的每个单元(对象移动的空间)中的限速率。时间也被分割成间隔。通过这种方式,可以根据给定时间间隔内移动对象在单元中的速度来分析移动对象的行为。在波尔图(葡萄牙)对出租车的轨迹进行了相应算法的实现和几个实验。结果表明,限速率测量有助于检测运动模式,例如,在一天中(早上与晚上)或一周中的不同日子(工作日与周末)。这一措施也可以作为(子)区域拥堵的粗略估计。这对于包括交通预测在内的交通分析可能是有用的。
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引用次数: 0
Effectiveness of Telemedicine in Diabetes Management: A Retrospective Study in an Urban Medically Underserved Population Area (UMUPA) 远程医疗在糖尿病管理中的有效性:城市医疗服务不足人口区(UMUPA)的回顾性研究
IF 3.1 Q2 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2023-01-29 DOI: 10.3390/informatics10010016
Lisa Ariellah Ward, G. Shah, Jeffery A. Jones, L. Kimsey, Hani M. Samawi
This paper examines the efficacy of telemedicine (TM) technology compared to traditional face-to-face (F2F) visits as an alternative healthcare delivery service for managing diabetes in populations residing in urban medically underserved areas (UMUPAs). Retrospective electronic patient health records (ePHR) with type 2 diabetes mellitus (T2DM) were examined from 1 January 2019 to 30 June 2021. Multiple linear regression models indicated that T2DM patients with uncontrolled diabetes utilizing TM were similar to traditional visits in lowering hemoglobin (HbA1c) levels. The healthcare service type significantly predicted HbA1c % values, as the regression coefficient for TM (vs. F2F) showed a significant negative association (B = −0.339, p < 0.001), suggesting that patients using TM were likely to have 0.34 lower HbA1c % values on average when compared with F2F visits. The regression coefficient for female (vs. male) gender showed a positive association (B = 0.190, p < 0.034), with HbA1c % levels showing that female patients had 0.19 higher HbA1c levels than males. Age (B = −0.026, p < 0.001) was a significant predictor of HbA1c % levels, with 0.026 lower HbA1c % levels for each year’s increase in age. Black adults (B = 0.888, p < 0.001), on average, were more likely to have 0.888 higher HbA1c % levels when compared with White adults.
本文研究了远程医疗(TM)技术与传统的面对面(F2F)访问相比的疗效,作为一种替代医疗服务提供服务,用于管理居住在城市医疗服务不足地区(UMUPA)的人群中的糖尿病。对2019年1月1日至2021年6月30日期间2型糖尿病(T2DM)的回顾性电子患者健康记录(ePHR)进行了检查。多元线性回归模型表明,使用TM治疗的糖尿病未控制的T2DM患者在降低血红蛋白(HbA1c)水平方面与传统访视相似。医疗服务类型显著预测了HbA1c%值,因为TM(与F2F)的回归系数显示出显著的负相关(B=−0.339,p<0.001),这表明与F2F就诊相比,使用TM的患者的HbA1c%值可能平均低0.34。女性(与男性)的回归系数显示出正相关(B=0.190,p<0.034),HbA1c%水平显示女性患者的HbA1c水平比男性高0.19。年龄(B=−0.026,p<0.001)是HbA1c%水平的重要预测因素,随着年龄的增长,HbA1c百分比水平每年降低0.026。与白人成年人相比,黑人成年人(B=0.888,p<0.001)的HbA1c%水平平均更高0.888。
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引用次数: 0
Barriers to the Adoption of Digital Twin in the Construction Industry: A Literature Review 建筑行业采用数字孪生的障碍:文献综述
IF 3.1 Q2 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Pub Date : 2023-01-28 DOI: 10.3390/informatics10010014
D. Opoku, S. Perera, R. Osei-Kyei, M. Rashidi, K. Bamdad, Tosin Famakinwa
Digital twin (DT) has gained significant recognition among researchers due to its potential across industries. With the prime goal of solving numerous challenges confronting the construction industry (CI), DT in recent years has witnessed several applications in the CI. Hence, researchers have been advocating for DT adoption to tackle the challenges of the CI. Notwithstanding, a distinguishable set of barriers that oppose the adoption of DT in the CI has not been determined. Therefore, this paper identifies the barriers and incorporates them into a classified framework to enhance the roadmap for adopting DT in the CI. This research conducts an extensive review of the literature and analyses the barriers whilst integrating the science mapping technique. Using Scopus, ScienceDirect, and Web of Science databases, 154 related bibliographic records were identified and analysed using science mapping, while 40 carefully selected relevant publications were systematically reviewed. From the review, the top five barriers identified include low level of knowledge, low level of technology acceptance, lack of clear DT value propositions, project complexities, and static nature of building data. The results show that the UK, China, the USA, and Germany are the countries spearheading the DT adoption in the CI, while only a small number of institutions from Australia, the UK, Algeria, and Greece have established institutional collaborations for DT research. A conceptual framework was developed on the basis of 30 identified barriers to support the DT adoption roadmap. The main categories of the framework comprise stakeholder-oriented, industry-related, construction-enterprise-related, and technology-related barriers. The identified barriers and the framework will guide and broaden the knowledge of DT, which is critical for successful adoption in the construction industry.
数字孪生(DT)因其跨行业的潜力而在研究人员中获得了极大的认可。DT的主要目标是解决建筑业(CI)面临的众多挑战,近年来,DT在CI中出现了一些应用。因此,研究人员一直在倡导采用DT来应对CI的挑战。尽管如此,反对在CI中采用DT的一组明显障碍尚未确定。因此,本文确定了障碍,并将其纳入一个分类框架,以加强在CI中采用DT的路线图。本研究对文献进行了广泛的回顾,并在整合科学制图技术的同时分析了障碍。使用Scopus、ScienceDirect和Web of Science数据库,使用科学制图识别和分析了154个相关书目记录,同时系统地审查了40份精心挑选的相关出版物。根据审查,确定的前五大障碍包括知识水平低、技术接受度低、缺乏明确的DT价值主张、项目复杂性和建筑数据的静态性质。结果显示,英国、中国、美国和德国是CI中率先采用DT的国家,而只有来自澳大利亚、英国、阿尔及利亚和希腊的少数机构建立了DT研究的机构合作。在30个已确定障碍的基础上制定了一个概念框架,以支持DT采用路线图。该框架的主要类别包括利益相关者导向、行业相关、建筑企业相关和技术相关的障碍。已确定的障碍和框架将指导和拓宽DT的知识,这对建筑行业的成功采用至关重要。
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引用次数: 6
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Informatics
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