Papers by Spyros Angelopoulos
Information Systems Frontiers
Competition on e-commerce platforms is becoming increasingly fierce, due to the ease of online se... more Competition on e-commerce platforms is becoming increasingly fierce, due to the ease of online searching for comparing products and services. We examine how the sequential browsing behavior of consumers can enable targeted marketing strategies on e-commerce platforms, by using clickstream data from one of the largest e-commerce platforms in Asia. We deploy duration analysis to i) explore how path dependence can better explain consumers’ sequential browsing behavior in different product categories, and ii) characterize the sequential browsing behavior of heterogeneous consumer groups. The findings of our work showcase i) the high accuracy of using sequential browsing path dependence to explain consumer behavior, ii) the patterns of their behavioral intentions and iii) the spell of the behavior of heterogeneous consumer groups. Our findings provide nuanced implications for strategically managing branding, marketing, and customer relations on e-commerce platforms. We discuss the implic...
Unfolding the Transcendence of Boundaries Across the Digital and Physical
Academy of Management Proceedings, 2017
In this paper, we undertake a data-driven exploration of an online community of cigar smokers tha... more In this paper, we undertake a data-driven exploration of an online community of cigar smokers that we created for the needs of the study, to better understand the practices that combine symbolic and material artifacts to generate collective social value. We employ content analysis and longitudinal social network analysis to afford a nuanced exposition of the structures, dynamics and practices over time. We identify five distinctive types of activities entailing interactions that combine symbolic and material artifacts, generating collective social value. We demonstrate how complex, multi-faceted socio-economic spaces bridge the divide between virtual and embodied space, informational and material objects, and social and economic transactions. Our findings expand the knowledge of online community dynamics, collaborative practices, and value-creation processes. We draw a research agenda for the practices and dynamics at play among users of online communities transcending the boundary between offline and online, generating novel insights to understand digitally-enabled practices.
Digital transformation and organizational networks : A multi-level network perspective
To remain competitive, organizations in all industries need to keep up with emerging digital tech... more To remain competitive, organizations in all industries need to keep up with emerging digital technologies. Such technologies can drastically change the way organizations function, by providing stakeholders with new and improved ways to communicate and interact. As a result, stakeholders play an increasingly crucial role in the value chain, which posits opportunities—such as better alignment between products or services and consumer demands—as well as threats, since the organizational networks become more complex, and the multiple levels of communication and interactivity become harder to manage. It becomes, thus, crucial to understand how and when the adoption of digital technologies influences the complexity of organizational networks in their multiple levels of interaction and communication, and vice versa. In this paper, we explore how organizational networks evolve over time during digital transformation projects, and how the organizational network affects—and is affected by—the...
The Impact of Information Quality on Operational Performance: Evidence from a Military Organization
In this position paper we propose a novel approach for the study and understanding of sociomateri... more In this position paper we propose a novel approach for the study and understanding of sociomaterial practices within the complex settings of morphing organizations, which has its theoretical foundations on Network Science and more specifically on the concept of Multilayer Network Analysis. By attending to the ontological dichotomy between the physicality of material objects and the conceptual nature of discourses, routines, and institutions, we conceptualize the social and material as separate layers of a multilayer network with intra-layer connections representing the processual dynamics emerging in organizational settings. Our work contributes to the broader organizational studies literature, and more specifically to the literature on sociomateriality by providing a positivistic methodological lens for the study of the concept. Moreover it contributes to the Network Science literature by providing a novel application setting for Multilayer Network Analysis.
Digital Transformation in Military Organizations: The Effect of Information Quality
We focus on the challenges and issues associated with Big Data, and propose a novel architecture ... more We focus on the challenges and issues associated with Big Data, and propose a novel architecture that uses the principles of Separation of Concerns and distributed computing to overcome many of the challenges associated with storage, analysis and integrity. We address the issue of asymmetrical distribution of power between the originators of data and the organizations and institutions that make use of that data by taking a systemic perspective to include both sides in our architectural design, shifting from a customer-provider relationship to a more symbiotic one in which control over access to customer data resides with the customer. We illustrate the affordances of the proposed architecture by describing its application in the domain of Social Networking Sites, where we furnish a mechanism to address problems of privacy and identity, and create the potential to open up online social networking to a richer set of possible applications.
Online security has been an important topic in electronic business. However, even the best IT sec... more Online security has been an important topic in electronic business. However, even the best IT security infrastructures cannot assure that cyber-attacks and malicious intrusions can be prevented. Therefore, it is important to know what is to be done when a security breach occurs, and how it influences consumers’ perceptions and behaviors. Via a survey of 258 respondents, this paper makes a first attempt to identify the relationships among security breach announcements, consumers’ perceived risks (including performance risk, financial risk, time risk and privacy risk), company reputation and a consumer’s intention to transact. Our key findings and implications are discussed.
Proceedings of the 51st Hawaii International Conference on System Sciences, 2018
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Information Technology & People, 2020
PurposeThis study uses a critically acclaimed digital game as an instructional tool to explore th... more PurposeThis study uses a critically acclaimed digital game as an instructional tool to explore the role of emotional design elements on psychological flow and perceived learning.Design/methodology/approachThe authors employ transportation theory to generate a set of antecedents of psychological flow and the theory of flow to connect the gaming experience to positive learning outcomes. The authors investigate the subjective learning experience of players with the use of a psychometric survey, and the authors employ structural equation modelling (SEM) to unearth the direct as well as the indirect effects amongst narrative, aesthetics, flow and learning outcomes.FindingsThe findings of this study demonstrate that narrative and aesthetics in serious games positively influence the perceived learning by facilitating a state of psychological flow.Research limitations/implicationsThis study contributes to better understanding and theorizing the role of narrative and aesthetics on learning o...
International Journal of Information Management, 2021
The extant Information Management literature highlights the asymmetric distribution of power betw... more The extant Information Management literature highlights the asymmetric distribution of power between users and online platforms, while the issues related to the stewardship of personal data on such platforms remain problematic and largely unresolved. To address that lacuna, we propose a conceptual design that can help to overcome many of the challenges related to storage, analysis, and integrity associated with the stewardship of personal data on online platforms. We adopt a systemic perspective and propose a shift from the current userplatform relationship to one in which users control the level of access to their data, organisations are relieved from the burden of maintaining personal data, and the data are not decoupled from information about their provenance and context of origin. We apply our conceptual design to the context of social networking sites, where we specifically address issues related to privacy, and identity and pave the path to a broader set of possible applications. We discuss the significance and timeliness of our proposed conceptual design for the stewardship of personal data, and the importance of our findings for future research, as well as for the design of online platforms.
Identifying Dynamic Competition in Online Marketplaces Through Consumers’ Clickstream Data
SSRN Electronic Journal, 2020
Brands in online marketplaces are constantly faced with the challenge of identifying market struc... more Brands in online marketplaces are constantly faced with the challenge of identifying market structure and analyzing competitiveness. To address that lacuna, we model brands’ competition through consumers’ consideration sets. We draw on a dataset of 6,549,484 records over a period of 10 weeks from one of the biggest online marketplaces in China and employ network analysis to predict sales. We explore the relationship between products’ network position and brands’ sales volume through the local and global centrality and closure, and we depict the redistribution of market-share of related products after brands adjust production line length. Our analysis suggest that the span of structural holes of a brand negatively influences sales volume, while betweenness and degree centrality have a positive impact. Our findings show that the relationship among products of a brand has a significantly greater impact on sales volume compared to the relationships among brands, and the intra-brand product relationship is the main reason for sales volume fluctuations. We contribute to understandings of brand dynamic competition in online marketplaces and discuss the significance of our findings for brand competition in online marketplaces, while we draw an agenda for future research on the topic.
International Journal of Information Management, 2019
We introduce Big Data Analytics (BDA) and Sentiment Analysis (SA) to the study of international n... more We introduce Big Data Analytics (BDA) and Sentiment Analysis (SA) to the study of international negotiations, through an application to the case of the UK-EU Brexit negotiations and the use of Twitter user sentiment. We show that SA of tweets has potential as a real-time barometer of public sentiment towards negotiating outcomes to inform government decision-making. Despite the increasing need for information on collective preferences regarding possible negotiating outcomes, negotiators have been slow to capitalise on BDA. Through SA on a corpus of 13,018,367 tweets on defined Brexit hashtags, we illustrate how SA can provide a platform for decision-makers engaged in international negotiations to grasp collective preferences. We show that BDA and SA can enhance decision-making and strategy in public policy and negotiation contexts of the magnitude of Brexit. Our findings indicate that the preferred or least preferred Brexit outcomes could have been inferred by the emotions expressed by Twitter users. We argue that BDA can be a mechanism to map the different options available to decision-makers and bring insights to and inform their decision-making. Our work, thereby, proposes SA as part of the international negotiation toolbox to remedy for the existing informational gap between decision makers and citizens' preferred outcomes.
Bridging the Divide between Virtual and Embodied Spaces: Exploring the Effect of Offline Interactions on the Sociability of Participants of Topic-Specific Online Communities
2015 48th Hawaii International Conference on System Sciences, 2015
Our paper focuses on the effect that offline interactions have on the sociability of participants... more Our paper focuses on the effect that offline interactions have on the sociability of participants of online communities. We present the findings of a longitudinal study of an invitation-only online community of cigar smokers, tracing the interactions of its participants over a period of eighteen months. We identify the emergence of distinctive patterns of interaction that persist over the course of the study, and explore their effect on the sociability of the participants of the online community. The identified interactions are associated with a mix of behaviors that include play, trading and gifting, and entail the exchange or flow of informational and material objects. Our findings demonstrate that offline interactions play a significant role for the social networking of participants on online communities, and have a positive effect on their online sociability over time. We provide novel insights regarding online participation and offline interactivity, significant for both academics and practitioners.
Decision Making for Content Management Systems: Criteria Identification and Categorisation
2015 48th Hawaii International Conference on System Sciences, 2015
The use of content management systems (CMS) has radically changed the way that web sites are depl... more The use of content management systems (CMS) has radically changed the way that web sites are deployed. The plethora of such systems however, makes the decision-making process a challenging task since there is no available classification for CMS. Our study attempts to identify distinctive characteristics of CMS in order to classify them in performance categories. The analysis of our study incorporates both quantitative and qualitative research methods for the successful triangulation of the identified results. For the needs of the study we explored 570 CMS and identified 51 criteria, which we ranked into six distinctive categories that describe clearly the issue of CMS selection. The results of our study can represent an invaluable asset for the successful outcome of decision-making regarding CMS selection from an organization or individuals, and a competitive advantage for the use of innovation toolkits such as benchmarking.
Lecture Notes in Computer Science, 2015
We argue that the current approaches to online social networking give rise to numerous challenges... more We argue that the current approaches to online social networking give rise to numerous challenges regarding the management of the multiple facets of people's digital identities within and around social networking sites (SNS). We propose an architecture for enabling people to better manage their SNS identities that is informed by the way the core Internet protocols developed to support interoperation of proprietary network protocols, and based on the idea of Separation of Concerns [1]. This does not require modification of existing services but is predicated on providing a connecting layer over them, both as a mechanism to address problems of privacy and identity, and to create opportunities to open up online social networking to a much richer set of possible interactions and applications.
Online Social Networks and e-Government: A narratological Approach
Offline interactions on online communities: The entanglement of social and material
Social processes on online communities: Exploring social networks based on offline interactions
Journal of Computer-Mediated Communication, 2015
Cyberbullying threatens young people's well-being. This study is one of the first to examine cybe... more Cyberbullying threatens young people's well-being. This study is one of the first to examine cyberbullying from a social network perspective. The class-based friendship networks of 103 classes were reconstructed using peer-nomination questionnaires. Closeness centralization and the global clustering coefficient were calculated using social network analysis and subsequently entered into a Poisson-regression. The outcomes of these analyses show that in classes featured by high closeness centralization in the offline and online friendship network, more cyberbullying happens. Additionally, our analyses reveal that in classes featuring a high global clustering coefficient in the online network, less cyberbullying occurs. The composition of the class in terms of gender and ethnicity were not significantly associated with the number of cyberbullying incidents in class.
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Papers by Spyros Angelopoulos