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Selected Topics on Business Informatics: Editorial Introduction to Issue 31 of CSIMQ 商业信息学精选专题:CSIMQ第31期编辑介绍
Pub Date : 2022-07-29 DOI: 10.7250/csimq.2022-31.00
Bartosz Marcinkowski
This thematic issue introduces two structured literature review articles as well as a couple of empirical ones. The authors of the literature reviews move into the broad field of assuring the quality of IT artifacts, focusing on different dimensions of the software engineering process. With the ever-increasing scale of computerization in more and more areas of life, insufficient emphasis on quality is not only associated with significant costs of bug-fixing. After all, considerable risks arise from the possibility of exploiting the vulnerabilities of the target product. In extreme cases, poor quality can lead to loss of health and life. Not surprisingly, academics and practitioners alike have been looking at this challenge for many years, and from numerous perspectives. The quality of IT artefacts also depends on the education of professionals and good understanding of application domains. The empirical papers concern educational issues regarding Enterprise Architecture and deepen our understanding of decentralized autonomous systems.
本期专题介绍了两篇结构化的文献综述文章以及几篇实证文章。文献综述的作者进入了保证IT工件质量的广阔领域,关注于软件工程过程的不同维度。随着计算机化在越来越多的生活领域的规模不断扩大,对质量的重视不够不仅与错误修复的巨大成本有关。毕竟,利用目标产品的漏洞的可能性会产生相当大的风险。在极端情况下,质量差可能导致健康和生命的丧失。毫不奇怪,学者和从业人员多年来一直在从多个角度看待这一挑战。IT工件的质量还取决于专业人员的教育和对应用程序领域的良好理解。实证论文关注有关企业架构的教育问题,并加深我们对分散自治系统的理解。
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引用次数: 0
Metrics to Estimate Model Comprehension Quality: Insights from a Systematic Literature Review 估计模型理解质量的度量:来自系统文献综述的见解
Pub Date : 2022-07-29 DOI: 10.7250/csimq.2022-31.01
Jordan Hermann, B. Tenbergen, Marian Daun
Conceptual models are an effective and unparalleled means to communicate complicated information with a broad variety of stakeholders in a short period of time. However, in practice, conceptual models often vary in clarity, employed features, communicated content, and overall quality. This potentially impacts model comprehension to a point where models are factually useless. To counter this, guidelines to create “good” conceptual models have been suggested. However, these guidelines are often abstract, hard to operationalize in different modeling languages, partly overlap, or even contradict one another. In addition, no comparative study of proposed guidelines exists so far. This issue is exacerbated as no established metrics to measure or estimate model comprehension for a given conceptual model exist. In this article, we present the results of a literature survey investigating 109 publications in the field and discuss metrics to measure model comprehension, their quantification, and their empirical substantiation. Results show that albeit several concrete quantifiable metrics and guidelines have been proposed, concrete evaluative recommendations are largely missing. Moreover, some suggested guidelines are contradictory, and few metrics exist that allow instantiating common frameworks for model quality in a specific way.
概念模型是在短时间内与广泛的利益相关者沟通复杂信息的有效和无与伦比的手段。然而,在实践中,概念模型通常在清晰度、使用的特征、传达的内容和整体质量方面有所不同。这可能会影响模型的理解,以至于模型实际上是无用的。为了解决这个问题,已经提出了创建“好的”概念模型的指导方针。然而,这些指导方针通常是抽象的,难以在不同的建模语言中进行操作,部分重叠,甚至相互矛盾。此外,到目前为止,还没有对拟议的指导方针进行比较研究。由于没有既定的度量标准来度量或估计给定概念模型的模型理解程度,因此这个问题更加严重。在这篇文章中,我们提出了一项文献调查的结果,调查了109份该领域的出版物,并讨论了衡量模型理解、量化和实证的指标。结果表明,虽然已经提出了一些具体的可量化指标和指导方针,但具体的评估建议在很大程度上是缺失的。此外,一些建议的指导方针是相互矛盾的,并且很少有度量允许以特定的方式实例化模型质量的公共框架。
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引用次数: 0
Decision Making Control Algorithm for Cogeneration Plants in Operating with the Heat Accumulator Deep Analysis Model 蓄热器深度分析模型下热电联产电厂运行决策控制算法
Pub Date : 2022-04-30 DOI: 10.7250/csimq.2022-30.04
V. Žentiņš, D. Rusovs, Aleksandrs Soročins, V. Kulakova
Accurate production planning in both the short and long term is very important in cogeneration plants. Especially if the cogeneration unit operates under free electricity market conditions, which complicates the decision-making process as an additional planning condition with variable heat, fuel, and CO2 costs. On the other hand, when a cogeneration plant uses a heat accumulation system, it is impossible to make a production decision without using a computer system; the human factor in decision-making can lead to erroneous decisions without traceability. The role of modern computer systems is growing and greatly influences the optimal production planning process in cogeneration plants, regardless of the installed capacity and in the operation with heat accumulation. One of the problems solved by the research is the integration of real operating modes and conditions (applied thermal insulation solution) into the production decision algorithms. The developed methodology allows not only to plan the operating modes of the cogeneration plant, but also to evaluate the efficiency of the battery solution. This study shows the developed methodology for calculating heat loss for a heat accumulator depending on the operating mode and the need to introduce a correction coefficient. When determining the total influencing expenses of the cost model of the heat accumulator operation mode, their mutual influence is shown and integrated into the decision-making algorithm for the next day's free-market conditions. The aim of the algorithm is maximally increasing the total gross revenue threshold for the planning of cogeneration operations and to exclude operating modes that may cause losses.
准确的短期和长期生产计划对热电联产工厂非常重要。特别是如果热电联产机组在自由电力市场条件下运行,这将使决策过程变得复杂,因为额外的规划条件具有可变的热量,燃料和二氧化碳成本。另一方面,当热电联产厂使用蓄热系统时,不使用计算机系统就不可能做出生产决策;决策中的人为因素可能导致没有可追溯性的错误决策。现代计算机系统的作用越来越大,它极大地影响着热电联产厂的最佳生产计划过程,无论其装机容量和热积累的运行情况如何。研究解决的问题之一是将实际运行模式和工况(应用保温方案)集成到生产决策算法中。所开发的方法不仅可以规划热电联产厂的运行模式,还可以评估电池解决方案的效率。本研究显示了根据工作模式计算蓄热器热损失的发展方法,以及引入修正系数的必要性。在确定蓄热器运行方式成本模型的总影响费用时,显示其相互影响,并将其整合到次日自由市场条件的决策算法中。该算法的目标是最大限度地提高热电联产运营规划的总收益阈值,并排除可能造成损失的运营模式。
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引用次数: 0
Modeling Digital Business Ecosystems: A Systematic Literature Review 数字商业生态系统建模:系统文献综述
Pub Date : 2022-04-30 DOI: 10.7250/csimq.2022-30.01
C. Tsai, J. Zdravkovic, Janis Stirna
The changing business landscapes urge organizations to collaborate and combine their expertise to stay competitive. Organizations establish partnerships and collaborate via the Internet, which often happens dynamically and at fast pace resulting in formation of Digital Business Ecosystems (DBEs). DBEs are complex and their management requires having explicit and up-to-date information about them. Modeling enables thorough visual analysis and facilitates the understanding and formation of DBEs. It also allows viewing DBEs through multiple perspectives, as well as exploring alternatives in the course of DBE formation or management. This systematic review aims to synthesize existing studies pertaining to Conceptual Modeling for analysis, design, and management of DBEs. A total of 94 studies were included in the review. The findings suggest that there is a scarcity of existing Conceptual Modeling methods and tools supporting DBEs. Additionally, the extensive emphasis on DBEs’ actors in modeling leads to an urgent need for the methods to be extended to support the establishment of holistic views for integrating multiple perspectives of DBEs. Future research should focus on these areas to facilitate the transformation of how organization’s collaborations are viewed – from a single-organization to a multitude of viewpoints on organizational networks of collaboration, coexistence, and competition. Such models also need to support the key features of DBEs, such as resilience and automation.
不断变化的商业环境促使组织协作并结合他们的专业知识以保持竞争力。组织通过互联网建立伙伴关系和协作,这通常是动态和快速发生的,从而形成了数字商业生态系统(DBEs)。数据库是复杂的,它们的管理需要有关于它们的明确和最新的信息。建模支持彻底的可视化分析,并促进对dbe的理解和形成。它还允许从多个角度查看DBE,以及在DBE形成或管理过程中探索替代方案。这篇系统综述的目的是综合现有的关于概念模型分析、设计和管理的研究。该综述共纳入了94项研究。研究结果表明,支持dbe的现有概念建模方法和工具非常缺乏。此外,在建模中对dbe参与者的广泛强调导致迫切需要对这些方法进行扩展,以支持建立集成dbe的多个视角的整体视图。未来的研究应该集中在这些领域,以促进如何看待组织合作的转变-从单一组织到合作,共存和竞争的组织网络的多种观点。这样的模型还需要支持dbe的关键特性,比如弹性和自动化。
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引用次数: 2
Behavior-Centered Digital-Twin Design for Dynamic Cyber-Physical System Development 动态信息物理系统开发中以行为为中心的数字孪生设计
Pub Date : 2022-04-30 DOI: 10.7250/csimq.2022-30.02
C. Stary, Matthes Elstermann, A. Fleischmann, W. Schmidt
Digital Twins are digital models of Cyber-Physical Systems to enable not only continuous monitoring but also active functional improvement of networked services, physical products, machines and devices. This capacity is of utmost importance when recognizing and exploring business opportunities in terms of organizational and technology innovations, as well as enriching the scope of system-relevant applications. Before being operated in their target ecosystems, such as smart cities, Cyber-Physical Systems can be validated and be run as Digital Twin through executable behavior models. The development of these models captures both, the horizontal, and the vertical integration of CPS components, thus allowing to consider specific system qualities, such as pollution effects of traffic. This article investigates methodological and technological aspects of developing and operating Digital Twins along system transformation processes. We consider integration depth and breadth, connectivity, organizational intelligence, validation, and implementation variability in the context of human-centered modeling and development. The approach enriches the understanding of digital twins towards digital representation of Cyber-Physical Systems allowing for dynamic allocation of physical and digital parts according to operational conditions. An exemplary case study in traffic management demonstrates the feasibility and practicability of the communication-centered approach.
数字孪生是网络物理系统的数字模型,不仅可以实现连续监测,还可以实现网络服务、物理产品、机器和设备的积极功能改进。当在组织和技术革新方面认识和探索商业机会,以及丰富与系统有关的应用范围时,这种能力是极其重要的。在其目标生态系统(如智能城市)中运行之前,网络物理系统可以通过可执行的行为模型进行验证并作为数字孪生运行。这些模型的开发捕获了CPS组件的水平和垂直集成,从而允许考虑特定的系统质量,例如交通的污染影响。本文研究了在系统转换过程中开发和操作数字孪生的方法和技术方面。我们在以人为中心的建模和开发环境中考虑集成的深度和广度、连接性、组织智能、验证和实现可变性。该方法丰富了对网络物理系统的数字表示的数字孪生的理解,允许根据操作条件动态分配物理和数字部件。交通管理的一个典型案例研究证明了以沟通为中心的方法的可行性和实用性。
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引用次数: 8
Retail Sales Forecasting Using Deep Learning: Systematic Literature Review 使用深度学习的零售销售预测:系统文献综述
Pub Date : 2022-04-30 DOI: 10.7250/csimq.2022-30.03
L. Eglite, I. Birzniece
This systematic literature review examines the deep learning (DL) models for retail sales forecast. The accuracy of a retail sales forecast is a prevalent force for uninterrupted business operations. Accuracy for retailers means limiting supply chain and storage costs, ensuring no product is out of stock, and facilitating smooth promotional operations. The study analyses the DL frameworks used in reviewed literature. Tested DL models are listed, as well as other machine learning and linear models used for the evaluation comparison. Additionally, the review presents the metrics used by the authors for the model evaluation. This article concludes by describing the benefits and limitations of DL models for sales forecasting.
这篇系统的文献综述探讨了零售销售预测的深度学习(DL)模型。零售销售预测的准确性是企业不间断经营的重要因素。零售商的准确性意味着限制供应链和存储成本,确保没有产品缺货,并促进顺利的促销操作。本研究分析了文献综述中使用的深度学习框架。列出了经过测试的深度学习模型,以及用于评估比较的其他机器学习和线性模型。此外,综述还介绍了作者用于模型评估的度量标准。本文最后描述了深度学习模型用于销售预测的优点和局限性。
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引用次数: 1
Selected Topics on Business Informatics: Editorial Introduction to Issue 29 of CSIMQ 商业信息学精选专题:CSIMQ第29期编辑介绍
Pub Date : 2021-12-31 DOI: 10.7250/csimq.2021-29.00
Birger Lantow, Erika Nazaruka, K. Sandkuhl
Business Informatics is the scientific discipline combining computer science, business administration and information technology and investigating related phenomena in their socioeconomical context, including companies, organizations, administrations, and society in general. As a field of study, it is closely related to the fields of management science, organizational science, computer science, systems engineering, information systems, information management, social science, and economics information science. The objective of this thematic issue was to show the diversity of research in the field of business informatics, both from the perspective of application areas and from the research methodologies applied. Application areas visible in this issue are product development in manufacturing industries, online learning in universities, innovation activities in networks of museums, and curriculum engineering in educational organizations. Research methods include various quantitative and qualitative approaches combined with prototyping and the design science paradigm. The thematic issue collection opens with the article entitled “Virtual Prototyping: Evaluating the Digital Twin Based Virtual Factory for New Product Introduction”. In this article, the authors address the need of several industries to replace physical prototyping with virtual prototyping for reducing product and production lifecycle costs and time. The focus of the paper is on new product introduction and the use of virtual prototyping in virtual factories and their “digital twins”. The study has the ambition to provide knowledge closing the gap between theories supporting the design and management of complex manufacturing systems, and integration and implementation of technologies in the application domain. The contribution to systems engineering is based on two industrial case studies and expert evaluations of a comprehensive concept, which integrates state-of-the-art technologies with systems development processes. The results indicate the usefulness of digital twin based virtual factories in new product introduction particularly for progressing the development of production processes and systems. The second article, “An Empirical Research on Study Success in Times of COVID-19
商业信息学是一门将计算机科学、工商管理和信息技术相结合,并在其社会经济背景下研究相关现象的科学学科,包括公司、组织、管理和一般社会。作为一个研究领域,它与管理科学、组织科学、计算机科学、系统工程、信息系统、信息管理、社会科学、经济信息科学等领域有着密切的联系。本期专题的目的是,从应用领域和应用的研究方法的角度,展示商业信息学领域研究的多样性。在这个问题上可见的应用领域是制造业中的产品开发、大学中的在线学习、博物馆网络中的创新活动以及教育组织中的课程工程。研究方法包括各种定量和定性方法,结合原型设计和设计科学范式。专题合集以题为“虚拟样机:评估基于数字孪生的虚拟工厂的新产品引进”的文章开始。在这篇文章中,作者讨论了几个行业用虚拟原型代替物理原型的需求,以减少产品和生产生命周期的成本和时间。本文的重点是新产品的引入和虚拟样机在虚拟工厂及其“数字双胞胎”中的应用。该研究的目标是提供知识,缩小支持复杂制造系统设计和管理的理论与应用领域中技术的集成和实施之间的差距。对系统工程的贡献是基于两个工业案例研究和一个综合概念的专家评估,它将最先进的技术与系统开发过程集成在一起。研究结果表明,基于数字孪生的虚拟工厂在新产品引进方面的有效性,特别是在推进生产流程和系统的开发方面。第二篇文章《新冠肺炎疫情下的学习成功率实证研究》
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引用次数: 0
Virtual Prototyping: Evaluating the Digital Twin Based Virtual Factory for New Product Introduction 虚拟样机:评估基于数字孪生的虚拟工厂的新产品引入
Pub Date : 2021-12-31 DOI: 10.7250/csimq.2021-29.01
E. Yıldız, Charles Møller, A. Bilberg, Jonas Kjær Rask
Shortening lifecycles and increasing complexity make product and production lifecycle processes more challenging than ever for manufacturing enterprises. Virtual Prototyping (VP) technologies promise a viable solution to handle such challenges in reducing time and physical builds as well as increasing quality. In previous studies, the Digital Twin (DT) based Virtual Factory (VF) concept showed significant potential to handle co-evolution by integrating 3D factory and product models with immersive and interactive 3D Virtual Reality (VR) simulation technology as well as real-time bidirectional data synchronisation between virtual and physical production systems. In this article, we present an extension to the paper “Demonstrating and Evaluating the Digital Twin Based Virtual Factory for Virtual Prototyping” presented at CARV2021. The study presents an evaluation by industry experts of the DT based VF concept for VP in the context of New Product Introduction (NPI) processes. The concept is demonstrated in two cases: wind turbine blade manufacturing and nacelle assembly operations at Vestas Wind Systems A/S. The study shows that the VF provides an immersive virtual environment, which allows the users to reduce the time needed for prototyping. The industry experts propose several business cases for the introduced solution and find that the phases that would have the most gain are the later ones (production) where the product design is more mature.
生命周期的缩短和复杂性的增加使得制造企业的产品和生产生命周期过程比以往任何时候都更具挑战性。虚拟原型(VP)技术承诺了一种可行的解决方案,可以在减少时间和物理构建以及提高质量方面处理这些挑战。在之前的研究中,基于数字孪生(DT)的虚拟工厂(VF)概念通过将3D工厂和产品模型与沉浸式和交互式3D虚拟现实(VR)仿真技术以及虚拟和物理生产系统之间的实时双向数据同步集成在一起,显示出处理协同进化的巨大潜力。在本文中,我们对CARV2021上发表的论文“展示和评估基于数字孪生的虚拟工厂的虚拟原型”进行了扩展。该研究提出了一个由行业专家在新产品引入(NPI)过程的背景下对基于DT的VF概念的VP的评估。该概念在两个案例中得到了证明:维斯塔斯风力系统公司的风力涡轮机叶片制造和机舱装配操作。研究表明,VF提供了一个身临其境的虚拟环境,使用户可以减少原型制作所需的时间。行业专家为引入的解决方案提出了几个业务案例,并发现收益最大的阶段是产品设计更成熟的后期阶段(生产阶段)。
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引用次数: 2
Open Innovation Process for Inter-Organizational Projects 组织间项目的开放式创新过程
Pub Date : 2021-12-31 DOI: 10.7250/csimq.2021-29.03
Susanne Marx
Open Innovation (OI) research has covered various organizational forms in dimensions of durability (permanent versus temporary organizing) and organizational scope (intra- or inter-organizational). Inter-organizational forms - both temporary and permanent – are regarded mainly as modes of OI. However, these organizational forms also act as initiators of OI activities to extend knowledge transfer across the inter-organizational consortium borders, which is hardly researched. To address this gap, the research presented in this article develops an OI process for inter-organizational projects (IOP) as initiators of OI. The initial model is developed by action research with an IOP of museums and educational institutions implementing a series of hackathons. The model’s applicability is then evaluated for other IOPs by a survey, indicating the model’s suitability for practitioners. Findings point to the importance of collaborative activities for aligning the OI initiative with both individual partners’ and common project goals, while outbound activities are regarded least important despite the time-limitation of the project. The research is limited by its focus on the specific IOP environment of EU-funded projects and the small scope of the survey.
开放式创新(OI)研究涵盖了持久性(永久组织与临时组织)和组织范围(组织内部或组织间)维度上的各种组织形式。组织间形式——包括临时的和永久的——主要被认为是OI的模式。然而,这些组织形式也作为OI活动的发起者,以扩展跨组织间联盟边界的知识转移,这方面的研究很少。为了解决这一差距,本文提出的研究开发了作为OI发起者的组织间项目(IOP)的OI过程。最初的模式是由行动研究开发的,由博物馆和教育机构组成的IOP实施了一系列黑客马拉松。然后通过调查评估该模型对其他IOPs的适用性,表明该模型对从业者的适用性。研究结果指出了协作活动对于将OI计划与单个合作伙伴和共同项目目标结合起来的重要性,而尽管项目有时间限制,但出站活动被认为是最不重要的。该研究的局限性在于其侧重于欧盟资助项目的特定IOP环境和调查范围小。
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引用次数: 0
Monitoring Services to Support Continuous Curriculum Engineering 监控服务以支持持续课程工程
Pub Date : 2021-12-31 DOI: 10.7250/csimq.2021-29.04
Peteris Rudzajs, M. Kirikova
Continuous and rapid developments in science and technology have raised a challenge for compliance between the learning content provided by study programs and (1) the actual state of art in the domains the programs are addressing and (2) the actual needs of companies that will employ the graduates of these programs. To achieve such compliance continuously, the digitalization of learning content (curriculum) engineering could provide supporting tools that facilitate awareness of incompliance, which is the first step in introducing changes in the learning content. In this article we discuss how such awareness, regarding the needs of companies, can be supported by a service system that monitors the gap between educational demand and offer. The proposed service system provides possibilities for automatic, semi-automatic and manual analysis of texts representing the educational demand, versus the texts representing the educational offer. The implementation of the service system has been demonstrated, having been applied at university. The experiments showed that the system can provide valuable information for educational content development, but its maintenance and incorporation in study process management and curriculum engineering still require additional research.
科学技术的持续快速发展对学习课程提供的学习内容与(1)课程所涉及领域的实际技术状况以及(2)将雇用这些课程毕业生的公司的实际需求之间的合规性提出了挑战。为了持续实现这种合规性,学习内容(课程)工程的数字化可以提供支持工具,促进对不合规性的意识,这是引入学习内容变化的第一步。在本文中,我们将讨论如何通过监控教育需求和提供之间差距的服务系统来支持这种关于公司需求的意识。所提出的服务系统为代表教育需求的文本和代表教育提供的文本提供了自动、半自动和手动分析的可能性。该服务系统的实施已得到验证,并已在高校得到应用。实验表明,该系统可以为教学内容开发提供有价值的信息,但其在学习过程管理和课程工程中的维护和整合还需要进一步的研究。
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引用次数: 0
期刊
Complex Syst. Informatics Model. Q.
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