Browsing NTNU Open by Author "Pappas, Ilias"
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A Stage Model for Uncovering Inertia in Big Data Analytics Adoption
Mikalef, Patrick; Krogstie, John; van de wetering, Rogier; Pappas, Ilias (Chapter, 2018)Big data and analytics have been credited with being a revolution that will radically transform the way firms do business. Nevertheless, the process of adopting and diffusing big data analytics, as well as actions taken ... -
Achieving agility and quality in product development -an empirical study of hardware startups
Berg, Vebjørn; Birkeland, Jørgen; Nguyen Duc, Anh; Pappas, Ilias; Jaccheri, Maria Letizia (Peer reviewed; Journal article, 2020)Context: Startups aim at scaling their business, often by developing innovative products with limited human and financial resources. The development of software products in the startup context is known as opportunistic, ... -
Affordances in Human-Chatbot Interaction: A Review of the Literature.
Mygland, Morten Johan; Schibbye, Morten; Pappas, Ilias; Vasilakopoulou, Polyxeni (Peer reviewed; Journal article, 2021)The present study advances our understanding of human-AI interactions, by identifying and analyzing chatbot affordances in prior research. The results of this review consolidate research findings on chatbots’ affordances, ... -
An Exploratory Study on the Influence of Cognitive and Affective Characteristics in Programming-Based Making Activities
Pappas, Ilias; Papavlasopoulou, Sofia; Giannakos, Michail; Sampson, Demetrios G. (Chapter, 2017)Programming-based making activities are at the core of teaching strategies to engage young students in learning programming for developing computational thinking skills. Despite the initial evidences of enthusiastic ... -
Assessing Student Behavior in Computer Science Education with an fsQCA Approach: The Role of Gains and Barriers
Pappas, Ilias; Giannakos, Michail; Jaccheri, Maria Letizia; Sampson, Demetrios G (Journal article; Peer reviewed, 2017)This study uses complexity theory to understand the causal patterns of factors that stimulate students’ intention to continue studies in computer science (CS). To this end, it identifies gains and barriers as essential ... -
Big Data Analytics Affordances for Social Innovation: A Theoretical Framework
Pappas, Ilias; Thapa, Devinder (Peer reviewed; Journal article, 2021)This paper proposes a theoretical framework to identify the mechanisms by which actors perceive the affordances of big data analytics (BDA) and how institutional voids and supports enable or hinder the actualisation of ... -
Big data analytics capabilities: a systematic literature review and research agenda
Mikalef, Patrick; Pappas, Ilias; Krogstie, John; Giannakos, Michail (Journal article; Peer reviewed, 2017)With big data growing rapidly in importance over the past few years, academics and practitioners have been considering the means through which they can incorporate the shifts these technologies bring into their competitive ... -
Big Data and Business Analytics Ecosystems: Paving the way towards digital transformation and sustainable societies
Pappas, Ilias; Mikalef, Patrick; Giannakos, Michail; Krogstie, John; Lekakos, George (Journal article, 2018)The digitalization process and its outcomes in the 21st century accelerate transformation and the creation of sustainable societies. Our decisions, actions and even existence in the digital world generate data, which offer ... -
Big data and business analytics: A research agenda for realizing business value
Mikalef, Patrick; Pappas, Ilias; Krogstie, John; Pavlou, Paul (Journal article; Peer reviewed, 2019) -
Cultural and Personality Predictors of Facebook Intrusion: A Cross-Cultural Study
Błachnio, Agata; Przepiorka, Aneta; Benvenuti, Martina; Cannata, Davide; Ciobanu, Adela Magdalena; Senol-Durak, Emre; Durak, Mithat; Giannakos, Michail; Mazzoni, Elvis; Pappas, Ilias; Popa, Camelia; Seidman, Gwendolyn; Yu, Shu; Wu, Anise M.S.; Ben-Ezra, Menachem (Peer reviewed; Journal article, 2016)The increase in the number of users of social networking sites (SNS) has inspired intense efforts to determine intercultural differences between them. The main aim of the study was to investigate the cultural and personal ... -
Cultural Correlates of Internet Addiction
Błachnio, Agata; Przepiorka, Aneta; Gorbaniuk, Oleg; Benvenuti, Martina; Ciobanu, Adela Magdalena; Senol-Durak, Emre; Durak, Mithat; Giannakos, Michail; Mazzoni, Elvis; Pappas, Ilias; Popa, Camelia; Seidman, Gwendolyn; Wu, Anise MS; Yu, Shu; Ben-Ezra, Menachem (Journal article; Peer reviewed, 2019)Increasing problems connected with excessive Internet use can be observed all over the world. Internet addiction is defined as excessive involvement in the Internet with negative consequences. The main aim of the study was ... -
Designing social commerce platforms based on consumers ’ intentions
Mikalef, Patrick; Giannakos, Michail; Pappas, Ilias (Journal article; Peer reviewed, 2017)Social commerce has been gaining momentum over the last few years as a novel form of e- commerce, creating substantial changes for both businesses and consumers. However, little is known about how consumer behaviour is ... -
Determining consumer engagement in word-of-mouth: Trust and network ties in a social commerce setting
Mikalef, Patrick; Pappas, Ilias; Giannakos, Michail; Sharma, Kshitij (Journal article; Peer reviewed, 2017)Prompted by the popularity of social commerce in the past few years, this study seeks to examine how online reviews influence consumer’s tendency to engage in word-of-mouth (WOM). We investigate how different aspects ... -
Developing a Social Innovation Methodology in the Web 2.0 Era
Vilarinho, Thomas; Floch, Jacqueline; Oliveira, Manuel Fradinho; Dinant, Inès; Pappas, Ilias; Mora, Simone (Chapter, 2018)The world is facing a growing number of societal challenges such as inequality rise, political upheaval, ageing population, etc. Governments are struggling to keep up to theirs existing service offers, making it difficult ... -
Emotions in Motion: The Combined Effect of Positive and Negative Emotions on Personalised E-Commerce
Pappas, Ilias; Kourouthanassis, Panos; Papavlasopoulou, Sofia; Chrissikopoulos, Vassilios (Journal article; Peer reviewed, 2017)This research examines the combined effect of positive and negative emotions on online shopping behaviour when customers use personalised services. Data from 421 customers, experiences with personalised online shopping, ... -
Empowering Social Innovators through Collaborative and Experiential Learning
Pappas, Ilias; Mora, Simone; Jaccheri, Maria Letizia; Mikalef, Patrick (Chapter, 2018)Educating social innovators in higher education is of great importance as many societal challenges exist. This study combines experiential learning with ICT tools to provide students with the needed competences and experiences ... -
Experience, motivations and confirmation of expectations in SNS satisfaction
Pappas, Ilias; Papavlasopoulou, Sofia (Chapter, 2019)As SNSs have an increasing importance in peoples’ daily lives, this paper seeks to understand how user satisfaction with SNSs can be increased. Motivations to use SNSs include entertainment, information, social-psychological ... -
Experimenting a Digital Collaborative Platform for Supporting Social Innovation in Multiple Settings
Vilarinho, Thomas; Floch, Jacqueline; Pappas, Ilias; Mora, Simone; Oliveira, Manuel Fradinho; Dinant, Inès; Jaccheri, Maria Letizia (Chapter, 2018)Social Innovation is gaining popularity as an approach to address societal challenges. Governments, charities, NGOS and organizations are taking up the role of facilitating citizens participation into social innovation ... -
Explaining learning performance using response-time, self-regulation and satisfaction from content: an fsQCA approach
Papamitsiou, Zacharoula; Economides, Anastasios; Pappas, Ilias; Giannakos, Michail (Chapter, 2018)This study focuses on compiling students' response-time allocated to answer correctly or wrongly, their self-regulation, as well as their satisfaction from content, in order to explain high or medium/low learning performance. ... -
Explaining travellers online information satisfaction: A complexity theory approach on information needs, barriers, sources and personal characteristics
Kourouthanassis, Panos; Mikalef, Patrick; Pappas, Ilias; Kostagiolas, Petros (Journal article; Peer reviewed, 2017)This study explores the online information-seeking behaviour of travellers aspiring to accumulate travel-related information during their vacation planning. A theoretical model comprising information needs, ...