84 Digital Transformation Essay Topic Ideas & Examples

🏆 best digital transformation topic ideas & essay examples, 📃 good research topics about digital transformation, 🎓 interesting topics to write about digital transformation, ❓ digital transformation research questions.

  • Digital Transformation in the Oil and Gas Industry The functions of modern digital devices that support the work of the oil and gas industry serve as the tolls reducing people’s participation in the monitoring process, thereby automating the monitoring of activities and allowing […]
  • Bossard Company’s Digital Transformation As the size of the clients grew to industrial companies and factories, the demands for parts increased. The SmartBin technology was innovative and has become the centerpiece of Bossard’s business model and approach to customers.
  • The Automobile Company’s Digital Transformation As a result, the primary objective of the project is to discuss how the company can move from the first level of the maturity model to the second level.
  • Digital Transformation Strategies for Organizations The first success factor in digital transformation is the company’s preparedness to make bold moves in the digital realm to explore and anticipate customers’ expectations.
  • The Digital Transformation and Innovation Nexus The practical orientation of the study ensures its applicability in the current economic environment characterized by the increasing complexity of the organizational landscape.
  • Information Governance and Digital Transformation By involving information technology, innovations in technology, and data, organizations must oversee the right implementation of digital transformation to address security and privacy concerns.
  • Digital Transformation: Job Satisfaction among Academic Family Physicians Some stakeholders may resist the application of Industry 4 in the manufacturing sector based on the concerns raised above. This study aims to investigate the relevance of digital transformation, specifically focusing on Industry 4, in […]
  • Extending Supply Chain Digital Transformation with Analytics, Simulation, and Optimization There is a need for digital transformation in the supply chain to streamline operations, reduce costs, and improve the employees’ working environment.
  • Supply Chain Digital Transformation To improve the present system, it is essential to utilize analytics, simulation, and optimization approach as a digitalization extension means.
  • Sadara Company’s Digital Transformation The digital transformation and the transition to the online environment used to be seen as the prerogative of the organizations that provided solely the services that could be easily translated into the online context due […]
  • Electric Utility Companies’ Digital Transformation Electric utility companies have faced the problem of decentralization in the past due to the underdevelopment of the service market in this area and the centralization of the system.
  • Business and Its Digital Transformation However, if a company wants to be ahead of competitors, it needs to invest in advanced digital technologies regularly. Nonetheless, individuals should analyze the possible reasons for the deployment of NIT to their unique business […]
  • Digital Transformation: E-Services in the UAE In the United Arabs Emirates, there has been a major transformation in the adoption of electronic services aimed to improve the quality of service delivery.
  • Digital Transformation in the UAE’s National Policy As a result, the changes taking place in various sectors correspond to the state plan for the reorganization of different sectors and the promotion of modern digital opportunities to improve life in the country.
  • How Digital Transformation Is Affecting the Oil and Gas Industry The research will assess the contributions of digital transformation in the oil and gas industry. What is the impact of digital transformation in the oil and gas industry?
  • Organizational Capabilities and Digital Transformation A digital strategy entails using big data and business intelligence to acquire a competitive advantage in the industry. Data indexing, quality evaluation, and aggregation are some of the procedures that may be complex and costly […]
  • Digital Transformation: Hyper-Connectedness and Collaboration The guiding principles for E2E economy formulated by the authors include the ability of organizations to provide optimal customer experiences through the right partnerships, capacity to use contextual and predictive analytics to generate customer value, […]
  • American Entertainment Industry: Digital Transformation The purpose of this paper is to examine the aspects of the current competition between streaming companies and television networks with the focus on observed digital transformations in sharing information and to discuss what further […]
  • Digitalization and the Future of Work: Macroeconomic Consequences
  • Does Enterprise Architecture Support the Digital Transformation Endeavors?
  • Digital Transformation and Lean Management: Challenges in the Energy Industry
  • The Process of Digital Transformation of Airline Companies
  • Digital Transformation Beyond the Digital Age
  • Paving the Way Towards Digital Transformation and Sustainable Societies
  • Digital Transformation, Digital Dividends, and Entrepreneurship
  • The Impact of Digital Transformation on Finance Sector Competition
  • Digital Transformation And Its Effect On A Business
  • Linking Digital Transformation and Localizing the Sustainable Development Goals
  • Digitalization Changing the Economy and the Labor Market
  • The Relations Between Digital Transformation and Technological Advancements
  • Digital Transformation and the Performance of Micro and Small Enterprises
  • Correlation Between Digital Transformation and the Provision of Legal Services
  • The Relationship Between Digital Transformation and the Renewal of Social Theory
  • Digital Transformation and Value Creation: Sea Change Ahead
  • Linking Digital Transformation, International Competition, and Specialization
  • Does Digital Transformation Mean the End of Marketing?
  • Engineering the Digital Transformation of Marketing
  • How Information Systems Enable Digital Transformation: Focus on Business Models
  • Predicting the Future Work Change Due to Digital Transformation
  • Government Digital Transformation Strategy: High-Level Themes
  • How Does the Digital Transformation Affect Organizations?
  • Composing the Plan and Budget for a Digital Transformation Project
  • Products’ Digital Transformation Effect on Perceived Luxury Level and Brand Authenticity
  • How the Internet Drove the Digital Transformation of Products and Services
  • The Digital Transformation of Healthcare: Current Status and the Road Ahead
  • Retail Digital Transformation Market: Global Industry Analysis, Share, Growth, and Forecast
  • The Productivity and Unemployment Effects of the Digital Transformation
  • Analysis of the Key Elements of Digital Transformation
  • How the Digital World May Influence Teaching
  • Data, Measurement and Initiatives for Inclusive Digitalization, and Future of Work
  • Digitalization and Smartening Public Governance of the European High North Regions
  • Fiscal Pressures From Digital Transformation and Immigration
  • How Decarbonization, Digitalization, and Decentralization Are Changing Key Power Infrastructures
  • Digitalization, Multinationals, and Employment: An Empirical Analysis of Their Causal Relationships
  • How Digital Transformation Has Reshaped the Mass Media
  • Managing Digitalization: Challenges and Opportunities for Business
  • Organizing for Digitalization Through Mutual Constitution: The Design Firm Case
  • Innovative and Sustainable eMaintenance: Capabilities for Digital Transformation of Maintenance
  • How Does Digital Transformation Impact Marketing?
  • Why Is Digital Transformation a Never-Ending Process?
  • What Is the Biggest Barrier to Digital Transformation?
  • Is Digital Marketing Part of Digital Transformation?
  • Which Industry Is Leading in Digital Transformation?
  • What Is the Future of Digital Transformation?
  • How Is Digital Transformation Affecting the Industry or Work?
  • What Is the End Goal of Digital Transformation?
  • How Does Digital Transformation Improve Organizational Resilience?
  • What Is the Outcome of Digital Transformation?
  • Does Digital Transformation Require Coding?
  • Why Do People Fear Digital Transformation?
  • Does Information Management Play a Critical Role in Digital Transformation?
  • What Are the Biggest Digital Transformation Challenges Organizations Face?
  • Why Is Digital Transformation Important for Organizations?
  • How Has Technology Impacted Digital Transformation?
  • Why Is Digital Transformation Critical to Business Growth?
  • How Effective Is Digital Transformation?
  • What Is the Negative Impact of Digital Transformation?
  • Is Technology Important in Digital Transformation?
  • What Are the Key Effective Strategies for Digital Transformation?
  • How Do Companies Implement Digital Transformation?
  • Why Is Digital Transformation Important in Retail?
  • Does Digital Transformation Ever End?
  • Is Digital Transformation a Business Model?
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The Human Side of Digital Transformation

digital transformation thesis topics

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Research trends in digital transformation in the service sector: a review based on network text analysis

  • Empirical article
  • Published: 07 February 2022
  • Volume 16 , pages 77–98, ( 2022 )

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digital transformation thesis topics

  • Jin Sung Rha 1 &
  • Hong-Hee Lee   ORCID: orcid.org/0000-0001-8144-2588 2  

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Digital transformation has influenced value chain operations of both manufacturing and service firms. This study examined digital transformation in the service sector through network text analysis of 330 related articles published during the past 10 years. The selected papers’ keyword link relations were analyzed to create network maps of research topics, ranging from traditional to emerging ideas of researchers. Dominant research topics and their clusters were identified using centrality and community analyses, and research trends were identified. The results of this study will help researchers and practitioners in the relevant fields capture the overall picture of the field.

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1 Introduction

Digitalization has accelerated innovation to a point never imagined before (Lee and Lim 2018 ). Businesses have been implementing digitalization to support flexible changes in operational processes, information systems, and society at large (Parviainen et al. 2017 ). Digitalization enables service innovations (Tronvoll et al. 2020 ) and has caused recent changes in the business environment of various industries (Kapadia and Madhav 2020 ). Therefore, digitalization, if well utilized, can help the enterprise develop dynamic capabilities for agility, flexibility, and resilience in delivering the products and services that customers want (Teece 2014 ; Lee and Trimi 2021 ). Thus, firms can utilize digital technologies to continuously improve their value proposition (Coreynen et al. 2020 ). Digitalization is also seen as a source of organizational sustainability, allowing firms to continuously pursue internal efficiency and external opportunity to create value and increase the market share (Parviainen et al. 2017 ; Kamalaldin et al. 2020 ).

Unlike digitization, which means utilizing digital technologies, digitalization includes value creation for the customers after utilizing the technologies (Seyedghorban et al. 2020 ). Digitalization is defined as “the use of digital technologies and digitized data to impact how work gets done, transform how customers and companies engage and interact, and create new digital revenue streams” (Strønen 2020 ). Recently, various digital technologies have triggered service business growth through digitalization or digital transformation (Gebauer et al. 2021 ). Major technologies for digitalization are AI, Internet of Things (IoT), cloud computing, and big data (Kretschmer and Khashabi 2020 ). IoT, cloud computing, and big data analytics, often considered as base technologies for digitalization, have enabled firms to explore new opportunities to execute customer-oriented business models (Lee and Lim 2018 ; Frank et al. 2019 ; Paiola and Gebauer 2020 ). IoT has made various entities, from physical devices to software, connected with each other through networks. The data exchange in real-time between the entities provides deep insights into material and information flows in the supply chain. IoT, also known as Internet of Everything (IoE), helps construct sophisticated knowledge networks for value creation through real-time communication (Lee and Lim 2018 ). Cloud services are the backbone of digital transformation because they help store and analyze large sets of data at reasonable cost (Abolhassan 2016 ). According to Statista.com ( 2021 ), the number of IoT-connected devices is expected to reach more than 30 billion by 2025, from 11.7 billion in 2020. Big data analytics deals with “the use of advanced analytic techniques against very large, diverse big data sets that include structured, semi-structured and unstructured data, from different sources, and in different sizes from terabytes to zettabytes” (IBM.com 2021 ). Since traditional database management systems are not powerful enough to handle big data, advanced technologies such as AI and IoT are deployed for the analysis. Many organizations rely on big data analytics to extract valuable information and knowledge from the data collected through various channels. Important topics on big data analytics such as storage capacity, visualization, and wireless sensor networks have attracted the attention of big data researchers (Choi et al. 2017 ). Using the document co-citation analysis, Ardito et al. ( 2019 ) found four clusters representing big data analytics and management in the literature: (1) conceptual evolution of big data analytics, (2) management transformation by big data analytics, (3) effects of big data analytics on resource management and performance, and (4) transformation of supply chain management by big data analytics (Ardito et al. 2019 ). Big data analytics facilitates the internal process, helps detect errors, and enhances customer engagement (Kretschmer and Khashabi 2020 ).

Digital transformation in the service sector has recently emerged as an important research topic, and an increasing number of studies have been published in conference proceedings and journals. The present study analyzes the trends of the research on digital transformation by conducting network text analysis on the papers that have recently been presented in conferences and published in academic journals to shed light on future directions of digital transformation in the service sector. Network text analysis examines semantic relations among keyword nodes by constructing matrices of co-occurrences and presenting a visual form of a network (Lee and Su 2010 ). Unlike conventional studies that investigated research trends based on simple frequency analysis of research topics and methodologies used, this study analyzes the relationships among central research topics and keyword clusters of recently published papers on digital transformation in the service sector through network text analysis using NetMiner4.0. This study is organized as follows. Section  2 reviews previous studies on digital transformation. Section  3 provides an overview of network text analysis and examines the published papers digital transformation in services that have been frequently cited. Section  4 summarizes the analysis results and proposes future research directions. Finally, Sect.  5 describes the implications of the results, limitations of the study and future research needs.

2 Literature review

2.1 digital transformation strategy.

Digital transformation should be an important part of corporate strategy since its effective implementation would have such significant impacts on organizational agility, flexibility, and resilience which in turn result in positive performance outcomes (Kretschmer and Khashabi 2020 ). For example, Amazon has used very effective and sophisticated big data analytics, which has been a major enabler of the firm’s success in sales performance (Jannapureddy et al. 2019 ).

Digitalization helps establish high-level collaboration with customers, which can generate new revenue sources (Scherer et al. 2017 ). The most significant benefit of E-commerce is learning about customers over time, without needing to deploy additional channels to push products or services to them (Strønen 2020 ). Competitive E-commerce service providers, such as Amazon.com and Alibaba.com, gather a vast amount of customer information about the relationship between age and access times or customer characteristics of a specific product. Kretschmer and Khashabi ( 2020 ) found digitalization helps enhance interaction with consumers. Companies need to unlearn inflexible product-oriented strategies and balance product and service assets to assure the transformation journey is smooth toward a comprehensive service mindset (Tronvoll et al. 2020 ).

Digitalization has helped companies develop and implement innovative business models (Hokkanen et al. 2021 ). Digitalization has attracted many knowledge workers to handle cognitive tasks, for both business and society (Loebbecke and Picot 2015 ). According to Kretschmer and Khashabi ( 2020 ), digital transformation has guided changes in organizational structures through the evolution of internal processes, which they labeled a strategic renewal. The digital transformation process in the service-dominant age should be supported by the strategic shifts of organizations. Tronvoll et al. ( 2020 ) suggested three facilitators of the shift: identification, dematerialization, and collaboration. By identifying real-time information, a company can make effective move from planning to making both short-term and long-term decisions that are most appropriate in the environment. The firm can transition from physical insufficiency to abundance and doing more with less, by dematerialization enabled by digital servitization. Collaboration among partners in a value chain allows the participants to develop horizontal relationships rather than constrained by vertical ones in the organization.

The digital transformation process presents many potential challenges as well as opportunities. However, many organizations encounter difficulties in changing their business models tailored to the transformation environment (Loebbecke and Picot 2015 ; Kretschmer and Khashabi 2020 ). Digitalization allows advanced data analytics, connectivity among products and services, and blurred boundaries among suppliers, customers, competitors, and even markets (Porter et al. 2014 ). Many large organizations are tradition bound and afraid to abandon their existing arrangements, the transformation process becomes disjointed, thus making it difficult to develop desired business models. For this reason, flexible and innovative startups are generally more effective than their large counterparts in radically changing their business models even under budget constraints (Loebbecke and Picot 2015 ). In sum, digital transformation is rapidly becoming an imperative driver of competitive advantage in the rapidly changing market environment (Kretschmer and Khashabi 2020 ).

2.2 Digital servitization

Fierce competition and technological advances drive firms toward implementing a digital servitization strategy (Coreynen et al. 2020 ). Like digitalization, digital servitization requires organizations to make drastic changes in their business models and operations (Tronvoll et al. 2020 ). Many companies are increasing their service offerings through digital transformation. Mobidoo, a Korean venture firm, offers a secure and easy-to-use mobile payment service to credit card users, using encrypted inaudible sound waves. As the world adopts digital payment systems, the users are increasingly concerned about security issues and compatibility with international standards (Mridha et al. 2017 ). For another example, wearable devices in healthcare such as smart health trackers and blood pressure monitors have helped deliver various healthcare services through smartphone apps (Lee and Lee 2020a ). Firms are moving from the primary focus on goods they offer to integrated ecosystems with services, and this trend appears prevalent in both manufacturing and service industries (Coreynen et al. 2020 ).

The term “servitization” was coined by Vandermerwe and Rada ( 1988 ) and digital servitization is defined as “the transition toward smart product-service-software systems that enable value creation and capture through monitoring, control, optimization, and autonomous function” (Coreynen et al. 2020 ). The servitization trend has been embraced by various disciplines with different labels such as the product-service system, transition from product to solutions, hybrid offerings, and others (Paiola and Gebauer 2020 ). Digitalization is the main driver of servitization. Martín-Peña et al. ( 2018 ) argued that any firm interested in adopting servitization must first consider implementing digital transformation.

Digital servitization is defined as “the transformation in processes, capabilities, and offerings within industrial firms and their associated ecosystems to progressively create, deliver, and capture increased service value arising from a broad range of enabling digital technologies” (Sjödin et al. 2020 ). Digital services activate relational interactions with customers to enhance service quality, brand loyalty, and customer satisfaction (Kamalaldin et al. 2020 ). As digital technology adoption has enabled product-oriented companies to develop service-oriented business models through digital servitization. To benefit from digitalization, value chain stakeholders are shifting their attention from the product-oriented transactional model to the service-oriented relational arrangement (Kamalaldin et al. 2020 ).

Digital servitization has two organizational perspectives, a front-end perspective and a back-end one (Kryvinska et al. 2020 ). The front-end servitization supports deeper interactions with customers while back-end servitization helps the organization achieve operational efficiency and improved resource allocation (Coreynen et al. 2017 ). To be competitive in the dynamic marketplace, a critical resource is firm’s capacity to collect and analyze data that are essential for developing competitive advantage (Paiola and Gebauer 2020 ). Coreynen et al. ( 2020 ) also suggested separating organizational efforts that are directed toward exploitation allied with digital servitization and those focused on exploration. According to that study, exploration seems more effective when the two efforts are made together even though both exploitation and exploration support digital servitization.

3 Methodology

3.1 network text analysis.

This study performed a network text analysis to identify the research trends regarding digital transformation in the service industry. Network text analysis encompasses text mining and network analysis. Text mining is used to analyze and obtain meaningful information from unstructured textual data. Network analysis consists of a network of nodes and links based on data matrices and is used to determine the network structure and effect of each node. By combining these analytical techniques, network text analysis helps obtain key information from texts and build various networks based on co-occurrence matrices (Ferstl et al. 2008 ).

Previous research trend analyses classified the articles based on the researchers’ subjectivity or sorted them manually based on the applied methodologies and theories (Rha 2020 ). However, network text analysis can help analyze the given texts exploratively. Therefore, this method is advantageous in that it can quantify and explain the research trends objectively, through using the text data of research articles.

Recently, many studies in various business fields explored research trends using network analysis. Fahimnia et al. ( 2015a , b ) searched published articles on supply chain management on Scopus and built document, citation, and co-citation networks. They also used cluster and Page Rank analysis to identify key researchers in subfields over time and determined influential articles in the network using the citation index. Feng et al. ( 2017 ) analyzed the clusters of key research articles by building a co-citation network of articles on corporate social responsibility, extracted the main keywords by building a co-word network, and built the clusters of subtopics. Lee and Rha ( 2018 ) developed a network using keywords as nodes extracted from articles published in Service Business: An International Journal for 10 years and analyzed the trends in subtopics in service business areas by calculating the degree of centrality and betweenness centrality.

3.2 Procedures of network text analysis

Network text analysis is generally conducted based on the following procedures (Pyun and Rha 2021 ). First, a database is selected to search the research articles for analysis. This study used Scopus, a widely known academic database, to search the articles. Scopus encompasses most major articles in business and social science fields. Thus, it is suitable for capturing the research trends in specific subfields (Rha 2020 ; Yu and Rha 2021 ). Second, keywords were extracted from the articles searched on the database, after which they were cleansed. On Scopus, indexed keywords and those presented by researchers can be extracted from the selected articles. This study mostly used the keywords presented by authors. After keyword extraction, we performed the following additional steps: supplementing keyword omissions, unifying the terms, and deleting useless words. The whole process is explained comprehensively in the Results section. Third, using the extracted keywords, their frequency in the articles was transformed into a matrix to construct a two-mode network comprised articles and keyword nodes. A two-mode network refers to a network with two dimensions of nodes. In a two-mode network, articles and keywords are connected with links, rather than with another article or another keyword. Therefore, relations among keywords cannot be analyzed directly with just two-mode networks. Fourth, the two-mode network comprised articles and keywords was transformed into a one-mode network comprised only keyword nodes. Network transformation is based on the co-occurrence of keywords. Suppose article A presents keywords a and b; article B presents keywords a, b, and c; and article C presents keywords a, b, and d. Then, keywords a and b are likely to be in co-occurrence, hence highly correlated. In this case, keyword nodes a and b are connected with a link when building a keyword network. This study used the cosine similarity algorithm to transform a two-mode network of articles and keywords into a one-mode network with just keywords. This study conducted centrality and cluster analyses to identify the characteristics of keyword nodes. Degree centrality and betweenness centrality were also analyzed. Keywords with a high degree of centrality indicate that the relevant field is the most actively researched, while those with a high betweenness centrality indicate that the keywords are highly expandable. Using cluster analysis, research topics can be grouped based on the network structure. The procedures of network text analysis performed in this study is shown in Table 1 .

4.1 Articles selected for analysis

This study collected and analyzed published articles on digitalization in the service industry. We used Scopus to search for the relevant articles. As shown in Table 2 , various search words were entered to analyze the related articles. Articles were selected using the search words that are related to the keywords presented by the authors or indexed by Scopus. The research areas were limited to “Business, Management, and Accounting” and “Decision Science”. Further, only peer reviewed articles published in English, including those in journals or presented in conferences or symposiums, were selected for analysis. Three hundred and thirty articles were selected as the study sample, excluding those searched redundantly using various search words.

Figure  1 summarizes 330 articles by year of publication. Since 2016, the number of studies on digital transformation began to accelerate. This study searched only articles published up to June 2021. Table 3 shows major journals that published the articles in our sample.

figure 1

The number of articles by year

4.2 Preprocessing to build a keyword network

A total of 1126 keywords were collected from 330 articles in our research sample. Keywords presented in the articles were used preferentially. Further, in case the keywords were omitted, some keywords were extracted from the article titles as done by previous studies (Rha 2020 ). Cleansing was further conducted. Of the 1126 keywords, some were similar in meaning but expressed in different ways. For example, “Internet of Things” and “IoT” carry the same meaning and were therefore unified into “IoT”, and “Artificial Intelligence”, and “AI” as “AI”. Similarly, “Healthcare Industry”, “Health Services”, “E-Healthcare”, and “M-Healthcare” were all dealt with “Healthcare” and were therefore unified as “Healthcare”. When keyword cleansing was necessary according to the content of the article, two researchers in the service field were consulted.

This study used “Service”, “Digitalization”, and “Digital Transformation” as search keywords. As these keywords were presented in most articles, they could not be considered as influential keywords despite their high frequency and centrality in network analysis. Further, it is more important to analyze the keywords that are linked to digital transformation than digital transformation itself as this study analyzed articles on digital transformation in the service industry. Therefore, this study eliminated “Service”, “Digitalization”, and “Digital Transformation” from the gathered keywords. Ultimately 1049 keywords were used in network analysis through keyword cleansing. Of the 1049 keywords, those with a high frequency were “Innovation”, “Industry 4.0”, “Servitization”, “Business Model”, “IoT”, “E-government”, “Financial Services”, “Healthcare”, and “Big Data”. Fig.  2 shows a word cloud created based on keyword frequency, with higher frequency shown in bigger texts.

figure 2

4.3 Building two-mode and one-mode networks

By collecting keywords, a matrix is naturally formed with two dimensions: articles and keywords. The keywords presented in each article were used. The frequency of each keyword of an article could be either “1”, or “0” if there was no keyword. If a certain keyword occurred in a certain article, the value between the two would be “1”. Thus, these two are connected with a link in the network. This is how a two-mode network is comprised article nodes and keyword nodes. In this case, article nodes are not linked with each other, neither are keyword nodes. Figure  3 shows a two-mode network comprised articles and keywords, with most articles and keywords forming a huge network. This indicates that most articles researched related topics. A small number of other articles had keywords that were not presented by other articles. These articles, therefore, were separated from the two-mode network.

figure 3

Two-mode network between keywords and research articles

To transform the two-mode network comprised articles and keywords into a one-mode network comprised keyword nodes only, this study calculated cosine similarity as shown in Eq.  1 . This study included only the keywords that had the occurrence frequency of 2 or above when developing a one-mode network. The cut off value of cosine similarity was 0.2.

where C ik  = number of occurrences of keyword i , C jk  = number of occurrences of keyword j .

The keyword network is shown in Fig.  4 . Keyword nodes in the one-mode keyword network are connected with links when they occur in multiple articles, as the higher the co-occurrence the greater the cosine similarity. The locations of keyword nodes in the network are insignificant; they are located close when they are relevant. Moreover, the links have no weights or directions.

figure 4

One-mode network among keywords

4.4 Centrality analysis

Centrality analysis was conducted using the keyword network. This study analyzed degree centrality and betweenness centrality. Degree centrality shows how many links a particular node has with other nodes in the network. Nodes with high degree centrality are actively linked to many other nodes in the network, indicating their keywords are closely related to subtopics that are most actively examined. Betweenness centrality increases when a particular node is frequently located on the paths between different nodes. Nodes with high betweenness centrality mediate other nodes and are therefore analyzed as keywords connecting subtopics or expanding concepts in the keyword network. Degree centrality and betweenness centrality can be calculated as shown in Eqs.  2 and 3 .

where g jk  = the number of shortest paths that connect nodes j and k , g jk ( n i ) = the number of paths that passthrough node i among the shortest paths that connect nodes j and k , [( g  − 1)( g  − 2)/2] = the number of all node pairs not including n i ).

Table 4 shows the results of the degree centrality analysis. The keywords with a high degree centrality were “Business Model”, “Servitization”, “Innovation”, “Customer Experience”, “Industry 4.0”, “Big Data”, and “Business Ecosystem”. Many studies on digital transformation in the service industry explored the development and application of new business models in line with digital transformation. Moreover, many studies were on servitization based on sensing, data storage and analysis technology as well as pursuing innovation through digitalization. They examined business ecosystems for developing new business models and innovation.

Table 5 shows the results of the betweenness centrality analysis. They are generally similar to the results of the degree centrality analysis. However, keywords such as “Banking”, “Financial Services”, and “Healthcare” showed a relatively high betweenness centrality. This implies that many studies on digital transformation in the service industry were focused on topics related to finance and healthcare.

A cluster analysis was conducted using the structural characteristics of the keyword network. The process was based on the algorithm of Blondel et al. ( 2008 ) and provided by NetMiner. Keywords with high cohesion can be placed in one group through cluster analysis. Therefore, clusters comprised keyword nodes can be analyzed as subtopics on digital transformation in the service industry. Consequently, 6 clusters were formed as shown in Fig.  5 . Table 6 shows the main keywords of each cluster.

figure 5

Keyword network clustering analysis

The first cluster is about analyzing new ecosystems by business firms regarding the digitalization of services and new collaborative mechanisms. Further, the main keywords were “Ecosystem”, “Platforms”, “Value Creation”, “Fintech”, “Information Sharing”, and “Collaboration”. Articles related to the first cluster among our sample of 330 articles are as follows. Liu ( 2020 ) argued that real-time information sharing and co-value creation between firms have become important in digitalized services, and that it is necessary to consider a new business ecosystem based on new collaboration methods as firms depend more on one another. Endres et al. ( 2021 ) proved that digital innovation in the process of new software product development promotes entrepreneurial ecosystems and improves performance.

The second cluster is about major digital technologies that drive the digital transformation of services. The main keywords were “Blockchain”, “Industry 4.0”, “IoT”, “Product Services Systems”, and “Cybersecurity”. Li et al. ( 2020 ) analyzed the rapid increase in the application of blockchain technology in financial service and conducted a scientometric analysis, which showed that much attention was focused on legal matters and the security advantage of blockchain. The data on a blockchain is secured through cryptography, the decentralized peer-to-peer network infrastructure, and distributed ledger technology. Sestino et al. ( 2020 ) indicated that IoT is one of the most important technologies in the digitalization of services as customer behavior and interests can be databased and identified on a real-time basis.

The third cluster is about the acceleration of digital transformation owing to COVID-19 and the digitalization of the healthcare industry. The main keywords were “COVID-19”, “Healthcare”, “SME”, and “Smart City”. Rapaccini et al. ( 2020 ) conducted a survey and found that the COVID-19 pandemic accelerated digital servitization and caused service providers to concentrate their competencies on developing new products based on digital technology. Denicolai and Previtali ( 2020 ) found that digital transformation in the healthcare industry drives the development of precision medicine, increases the intensity of collaboration among organizations in the healthcare value chains, and drives the optimization of treatment performance and cost reduction by promoting information sharing in the ecosystem.

The fourth cluster is about the development and application of new business models as an outcome of digital transformation in the service industry and servitization using digital technologies. The main keywords were “Dynamic Capabilities”, “Servitization”, “Value Co-Creation”, and “Business Model”. Volberda et al. ( 2021 ) argued that unlike traditional business models, digital transformation enables new business models for value co-creation with partners or customers. Here, dynamic capabilities are important for adapting to the fast changing environment and breaking free from the barriers of conventional methods and rules. Payne et al. ( 2021 ) explained that the diversification of services that can be aligned with products in the era of digital transformation enables all kinds of innovation by providing new customized value to customers based on service-oriented business models.

The fifth cluster is about E-government, E-commerce, and E-services that drove the digitalization of services. The main keywords were “E-Government”, “E-Commerce”, “E-Services”, and “Marketing”. Loukadounou et al. ( 2020 ) showed that the Greek government increased the citizens’ satisfaction with administrative services and also reduced related costs through digital transformation of administrative processes. Case ( 2019 ) conducted a case analysis on B2B firms and discovered that digital transformation resulted in considerable changes in E-commerce among the firms studied. Case further found that the level of customer experience anticipated by B2B buyers through E-commerce had increased substantially.

The sixth cluster is about the digitalization of financial business. The main keywords were “Financial Services”, “Banking”, and “Insurance”. Niemand et al. ( 2021 ) showed that banks with entrepreneurship and a strategic vision for digital transformation can improve their performance based on digitalization. In the same context, Breidbach et al. ( 2019 ) argued that digitalization does not guarantee better performance in financial business; rather, it is necessary to examine various managerial options, such as orchestration with existing services, effectively executing safety measures for security, assessing the performance of new financial services and value co-creation efforts with customers.

5 Discussion and conclusion

This study identified the research trends of digital transformation in the service industry through network text analysis. Today, organizations strive to become agile organizations that are adaptable to the dynamic business environment, as customers are increasingly demanding various forms of new services in convergence with the digital media (Lee and Lim 2018 ). Thus, there has been an increasing number of studies on relevant topics. This study searched 330 articles on Scopus and used them to conduct a network analysis. The results of the centrality analysis using the keyword network can be summarized as follows. The most actively studied subtopics in relation to digital transformation in the service industry were “Business Model”, “Ecosystem”, “Servitization”, and “Customer Experience”. Digital transformation enables firms to collaborate with all of their stakeholders for value co-creation. This naturally leads them to develop new business models and concentrate on creating and operating new business ecosystems with partners and customers. Moreover, as the development of digital technologies has enabled product-oriented firms to develop service-oriented business models, they began to focus on digital servitization. Value creation through new customer experience also became an important organizational strategy. Many studies in our research sample dealt with healthcare and financial services, as identified by the betweenness centrality analysis.

This study identified major topics of research on digital transformation in the service industry through cluster analysis of the keyword network. The identified topics were classified into six groups. The first cluster was about building new business ecosystems for digitalization. Whereas digitization is the process of converting analog to digital, digitalization is the transformation process of making business processes over to use digital technologies (Gobble 2018 ). Many studies showed that digitalization in the service industry requires new management procedures and practices, demanding significant changes in organizational structure and culture (Sklyar et al. 2019 ; Pelletier and Cloutier 2019 ; Liu and Guo 2021 ; Endres et al. 2021 ). The second cluster included studies on technologies that are prevalently used in digital transformation, mostly Industry 4.0 technologies including IoT and blockchain. Many researchers have pointed out that IoT and blockchain technologies enable service providers to enhance monitoring, traceability, and full transparency over business processes with secure network platforms (Chehri and Jeon 2019 ; Rosete et al. 2020 ; Li et al. 2020 ). Because of these advantages, the market size of digital healthcare, fintech, and other untact services are expected to grow sharply (Lee and Lee 2020b ). The third cluster showed that the COVID-19 pandemic has accelerated digitalization in all social sectors, including the service industry and the healthcare area particularly. Even though face-to-face care plays a critical role in the current healthcare system, digital healthcare is suggested as an alternative face-to-face with a virtual visit to prevent infection and accelerate telemedicine services in the COVID-19 era (Yamamoto 2021 ; Tortorella et al. 2021 ). Many studies maintained that service organizations are speeding up the adoption of digital transformation to respond quickly and decisively to the COVID-19 pandemic era with resilience (Bartsch et al. 2020 ; Agostino et al. 2021 ; Abdel-Basset et al. 2021 ). The fourth cluster highlighted that digital transformation led to the development of new business models in the service industry. Further, various studies were conducted on the topic of digital servitization. Digital servitization creates new innovative services such as add-on services to smart product-service systems, enabling organizations to sense, seize, and reconfigure new business opportunities (Linde et al. 2021a ). Previous literature pointed out that digital servitization allows service organizations to build a platform for better interactions with customers, improving data collection, storage, analysis, and utilization (Sklyar et al. 2019 ; Linde et al. 2021b ). The fifth cluster was about E-government and E-commerce that drove digitalization in the service industry even before digital transformation. E-government systems aimed at providing more responsive and efficient services to the public with digital technologies, enhancing citizens’ trust and confidence in government (Uyar et al. 2021 ). Likewise, E-commerce has provided customers with a personalized shopping experience and broken down the barriers of time, place, and space (Ameen et al. 2021 ). The articles in this cluster indicate that various managerial insights in conventional E-service are important and they need to be finetuned to be suitable for the digital era. The final cluster was about digital transformation in the financial industry. Even though COVID-19 crisis has accelerated the digital transformation, there are some barriers in adoption of digital transformation in the financial industries such as functional and psychological barriers (Santos and Ponchio 2021 ). Functional barriers include product value and risk related to product usage, and psychological barriers are associated with the tradition and norms of the person (Mani and Chouk 2018 ). Many articles not only focused on the importance of fintech and smart banking services but also argued that operational excellence is imperative for maximizing customer experience and security improvement for the successful digital transformation in the financial industry.

This study provides several significant contributions. First, it quantified and analyzed the research trends of digital transformation in the service industry using only those articles with unstructured text data. Using network text analysis, this study identified major research topics dealing with digital transformation in the service industry. There has been no systematic literature review done on digital transformation in the service industry. The results of this study will help researchers in the relevant fields capture the overall picture of the field. Second, the research trend analysis conducted in this study also reveals the topics that need thorough future research. Despite the extensive scope of the service industry, many studies in our sample focused on healthcare and financial services, indicating the accelerating importance of these services. The results of our study also found that further research on the digitalization of other service areas are needed, such as hospitality and tourism, aviation, and logistics. Moreover, many studies briefly explained the impact of COVID-19 on the digitalization of services. As the COVID-19 pandemic has become the new normal, it is necessary to conduct systematic research on how the post COVID-19 era will affect digitalization in the service industry. In addition, more research is needed on new service strategies in the digital era (Lee and Trimi 2021 ). Moreover, service organizations should pursue strategic innovations for new business models and “untact” technologies such as AI, robots, IoT, and big data (Lee and Lee 2020b ). Thus, it is necessary to carry out research on customer-centric service strategies, convergence of disruptive digital technologies and services, and service innovations that can create new value and competitive advantage in the digital era.

This study has the following limitations. First, the research sample we used in this study may have omitted some relevant articles for analysis as we used only Scopus rather than multiple databases for article selection. Moreover, only the articles that are directly related to digital transformation in the service industry were searched. Second, this study analyzed articles based on the keyword network analysis, while further analysis can be done based on citations, co-citations, and researcher networks. These limitations provide opportunities and directions for future research.

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  10. PDF Digital transformation: a review, synthesis and opportunities for

    Based on this analysis, we identify future research opportunities. We approach this objective in two steps. First, we adopt an inductive approach and conduct a systematic literature review (following Tranfield et al. 2003; Web-ster and Watson 2002) of 58 peer-reviewed papers dealing with digital transfor-mation.

  11. PDF Managing the Digital Transformation of Business Models

    transformation and expect guidance for the effective transformation of their business models (Hess, 2012), this thesis aims to support practitioners in identifying and resolving the managerial challenges associated with the digital transformation of their business models, thus allowing them to survive and thrive in the digital era.

  12. PDF Digital Transformation in Projects

    The purpose of this master thesis is to research what effect digital transformation has on project management. This is conducted by researching if there is a connection between digital transformation in the industry, the use of digital transformation in projects, and how project management has been impacted by digital transformation.

  13. Digital transformation in business and management ...

    Digital Transformation is the combined effects of several digital innovations bringing about novel actors (and actor constellations), structures, practices, values, and beliefs that change, threaten, replace or complement existing rules of the game within organizations, ecosystems, industries or fields. ... The topics "big data ...

  14. The Human Side of Digital Transformation

    4. articles. Digital transformation is changing society and organizations. New digital technologies such as social media, cloud services, big data analytics, artificial intelligence, the internet of things, robotics, have a profound effect on the way people work, communicate, and collaborate, challenging managers across industries.

  15. (PDF) Digital Transformation: A Literature Review and ...

    [email protected]. Abstract. The aim of this paper is to provide insights regarding the state of the. art of Digital Transformation, and to propose avenues for future research. Using. a systematic ...

  16. Research trends in digital transformation in the service sector: a

    Digital transformation has influenced value chain operations of both manufacturing and service firms. This study examined digital transformation in the service sector through network text analysis of 330 related articles published during the past 10 years. The selected papers' keyword link relations were analyzed to create network maps of research topics, ranging from traditional to emerging ...

  17. PDF Digital Transformation of Business Models: From con- cepts to ...

    Tampereen Tampere Master of University ammattikorkeakoulu of Applied Sciences Business Administration International Business Management. Ahmed Digital Sharaf Transformation of Business Models: from concepts to implementation. Master's thesis 62 pages, appendices 1 page December 2022.

  18. PDF List of topics for theses English

    3. Digital Maturity - A literature review 4. Digital transformation in SMEs- Investigation of technology adaption . Entrepreneurship, Innovation, Craft Enterprises and Family Businesses . 1. Systematic literature review on the topics of Individual Entrepreneurial Orientation, Em-ployee Intrapreneurship and/or Job FIT 2.

  19. PDF Available Master's Degree Theses Topics: Empirical Investigations in

    Offer 2: Success Factors of Digital Enterprise Transformation for Municipal Companies Digital Enterprise Transformation and IT success are relatively extensive topics in the IS literature. However, the links and differences to municipal companies have hardly been in focus, especially in terms of archetypical con-figurations of such companies.

  20. The relationship between digital transformation and strategic agility

    The importance of digital transformation as an enabler of strategic agility has garnered both advocates and detractors in academia and business; some studies argue that digital transformation is the cornerstone of strategic agility, while others refute this stance. Based on this incongruity, the purpose of this research was to examine the ...

  21. Digital Transformation in Design: Processes and Practices

    Digital Transformation in Design: Processes and Practices. Scherling, Laura S. What does it take to create innovative tech-savvy designs that are usable, appealing, and good for society? The contributions to this volume introduce contemporary research on the digitization and »datafication« of products, exploring topics like user experience ...

  22. Dissertations.se: DIGITAL TRANSFORMATION

    Abstract : Digital transformation is viewed as instrumental in coping with organizational and societal challenges. In the public sector, these challenges include diverse issues, such as demographic changes, constrained financial resources, increasing complexity, and digital legacy. READ MORE.

  23. PDF Digital transformation and its effects on the competency ...

    Report/thesis title Digital transformation and its effects on the competency frame-work: a case study of digital banking Number of pages and appendix pages 97 This thesis is a qualitative study on how the digital transformation affects the firm's compe-tency framework in the banking sector. The aim of the study is to establish what are the dif-

  24. How AI and digital transformation are driving inclusion, productivity

    Digital technology and AI can create more inclusive and accessible solutions that can empower people with disabilities to achieve their goals and aspirations. We are proud to work with and support nonprofit organizations with technology that enables greater accessibility to help create a more inclusive and equitable world.

  25. Digital Transformation in Workplace Benefits

    Author. May 2024. Digital transformation is reshaping the workplace benefits industry. As technology advances and customer expectations rise, carriers are investing in new digital capabilities that allow them to streamline operations, exchange data seamlessly with partners and provide fast, intuitive, digitally enabled services to customers.

  26. Topic for Master Thesis in Digital Management?

    The topics are: 1. Digital asset management and estate planning. While there are a lot of articles written mostly by attorneys on this subject, I don't believe the topic has been thoroughly ...

  27. Workplace Transformation Will Boost European AR/VR Spending in ...

    As digital transformation continues shaping new job roles and changing required skillsets, training becomes a crucial transformation tool. On the VR side, retail will remain the largest industry in terms of spending, accounting for 17.8% of total B2B spending for VR. ... Topics Covered. Augmented and virtual reality. Coverage. Regions Covered ...