Tina Morlok; Ioanna Constantiou; Thomas Hess / Gone for Better or for Worse? : Exploring the Dual Nature of Ephemerality on Social Media Platforms.
I: ECIS 2018 ProceedingsAtlanta, GA : Association for Information Systems. AIS Electronic Library (AISeL) 2018 (Proceedings of the European Conference on Information Systems)

Christian Casper Hofma; Ioanna Constantiou / Immersive Virtual Environments : Understanding it’s Influence on Organizational Routines.
I: ECIS 2018 ProceedingsAtlanta, GA : Association for Information Systems. AIS Electronic Library (AISeL) 2018 (Proceedings of the European Conference on Information Systems)

Thomas Hess; Ioanna Constantiou / Introduction to the Special Issue on “Digitalization and the Media Industry”
I: Electronic Markets, Vol. 28, Nr. 1, 2018, s. 77–78

Ioanna Constantiou; Attila Marton; Virpi Kristiina Tuunainen / Digitization and the New Dimensions of Competition : The Case of Digital Platforms in the Sharing Economy.
Paper presented at The 33rd EGOS Colloquium 2017, 2017

Ioanna Constantiou; Arisa Shollo; Kristian Kreiner; Morten Thanning Vendelø / Digitization in Maritime Industry : Coping with a Vessel's Engine Failure.
I: ECIS 2017 ProceedingsAtlanta, GA : Association for Information Systems. AIS Electronic Library (AISeL) 2017, s. 1663-1677 (Proceedings of the European Conference on Information Systems)

Ioanna Constantiou; Attila Marton; Virpi Kristiina Tuunainen / Four Models of Sharing Economy Platforms
I: M I S Quarterly Executive, Vol. 16, Nr. 4, 2017, s. 231-251

Attila Marton; Ioanna Constantiou; Georgios Lagoudakos / Openness and Legitimacy Building in the Sharing Economy : An Exploratory Case Study about CouchSurfing.
I: Proceedings of the 50th Hawaii International Conference on System Sciences (HICSS) 2017Honolulu : Hawaii International Conference on System Sciences (HICSS) 2017

Ioanna D. Constantiou; Arisa Shollo; Morten Thanning Vendelø / Making Space for Intuition in Decision-Making : The Case of Project Prioritization.
I: Uncertainty and Strategic Decision Making. red. /Kristian J. Sund; Robert J. Galavan; Anne Sigismund Huff. Bingley : Emerald Group Publishing 2016, s. 147-169 (New Horizons on Managerial and Organisational Cognition, Vol. 1)

Ioanna Constantiou; Ben Eaton; Virpi Kristiina Tuunainen / The Evolution of a Sharing Platform into a Sustainable Business
I: Proceedings of the 49th Hawaii International Conference on System Sciences (HICSS 2016). red. /Tung Bui; Ralph H. Sprague, Jr.. Loa Alamitos, CA : IEEE 2016, s. 1297-1306 (Proceedings of the Annual Hawaii International Conference on System Sciences)

Jannis Kallinikos; Ioanna Constantiou / Big Data Revisited : A Rejoinder.
I: Journal of Information Technology, Vol. 30, 3.2015, s. 70-74

Arisa Shollo; Ioanna Constantiou; Kristian Kreiner / Knowledge Integration in Developing Distant Problem Solving Processes : The Case of Diesel Engine Failure in Cargo Vessels.
Paper presented at The 31st EGOS Colloquium 2015, 2015

Ioanna Constantiou; Jannis Kallinikos / New Games, New Rules : Big Data and the Changing Context of Strategy.
I: Journal of Information Technology, Vol. 30, Nr. 1, 3.2015, s. 44-57

Attila Marton; Ioanna Constantiou; Antonela Thoma / Sharing Economy : Moving Beyond Economic Institutions?.
Paper presented at The 31st EGOS Colloquium 2015, 2015

Mimmi Sjöklint; Ioanna Constantiou; Matthias Trier / The Complexities of Self-Tracking : An Inquiry into User Reactions and Goal Attainment.
I: ECIS 2015 Proceedings. red. /Jörg Becker; Jan vom Brocke; Marco De Marco. Atlanta, GA : Association for Information Systems. AIS Electronic Library (AISeL) 2015 (Proceedings of the European Conference on Information Systems)

Arisa Shollo; Ioanna Constantiou; Kristian Kreiner / The Interplay Between Evidence and Judgment in the IT Project Prioritization Process
I: Journal of Strategic Information Systems, Vol. 24, Nr. 3, 2015, s. 171-188

Ioanna D. Constantiou; Christiane Lehrer; Thomas Hess / Changing Information Retrieval Behaviours : An Empirical Investigation of Users' Cognitive Processes in the Choice of Location-based Services.
I: European Journal of Information Systems, Vol. 23, Nr. 5, 2014, s. 513-528

Ioanna Constantiou; Arisa Shollo; Morten Thanning Vendelø / Sharing and Communicating Intuition in Organizational Decision Making
Paper presented at The Academy of Management Annual Meeting 2014, 2014

Arisa Shollo; Ioanna Constantiou / IT Project Prioritization Process : The Interplay of Evidence and Judgment Devices .
I: ECIS 2013 ProceedingsAtlanta, GA : Association for Information Systems. AIS Electronic Library (AISeL) 2013 (Proceedings of the European Conference on Information Systems)

Mimmi Sjöklint; Ioanna Constantiou; Matthias Trier / Numerical Representations and User Behaviour in Social Networking Sites : Towards a Multi- Theoretical Research Framework.
I: ECIS 2013 ProceedingsAtlanta, GA : Association for Information Systems. AIS Electronic Library (AISeL) 2013 (Proceedings of the European Conference on Information Systems)

Arisa Shollo; Ioanna Constantiou / Self-Reinforcing Mechanisms and Organizational Decision Making : The Case of Project Prioritization in a Financial Institution.
I: Self-Reinforcing Processes in and among Organizations. red. /Jörg Sydow; Georg Schreyögg. New York : Palgrave Macmillan 2013, s. 104-124

Ioanna Constantiou; Natascha Hoebel; Roberto V. Zicari / How do Framing Strategies Influence the User's Choice of Content on the Web?
I: Concurrency and Computation: Practice & Experience, Vol. 24, Nr. 17, 2012, s. 2207–2220

Ioanna Constantiou; Arisa Shollo; Morten Thanning Vendelø / Making Space for Intuition in Decision Making : The Case of Project Prioritization.
Paper presented at New Frontiers in Managerial and Organizational Cognition. 2012, 2012

Robert Veitch; Ioanna Constantiou / User Decisions Among Digital Piracy and Legal Alternatives for Film and Music
I: Proceedings of the International Conference on Information Systems, ICIS 2012. red. / F. George Joey. Vol. 2, Atlanta, GA : Association for Information Systems. AIS Electronic Library (AISeL) 2012, s. 1070-1085 (Proceedings of the International Conference on Information Systems, Vol. 2012)

Rob Veitch; Ioanna Constantiou / User Decisions in a (Partly) Digital World : Comparing Digital Piracy to Legal Alternatives for Film and Music.
I: ECIS 2012 Proceedings. red. /Jan Pries-Heje; Mike Chiasson; Jonathan Wareham; Xavier Busquets; Josep Valor; Sandra Seiber. Atlanta, GA : Association for Information Systems. AIS Electronic Library (AISeL) 2012 (Proceedings of the European Conference on Information Systems)

Morten Thanning Vendelø; Ioanna Constantiou / Varying Interpretations of Technology as a Problem in Markets for Customised High-Tech Products : Towards an Inquiring Dialogue Approach.
I: International Journal of Technology Management, Vol. 59, Nr. 1/2, 2012, s. 45-62

Ioanna Constantiou; Morten Fosselius Legarth; Kasper Birch Olsen / What are Users' Intentions Towards Real Money Trading in Massively Multiplayer Online Games?
I: Electronic Markets, Vol. 22, Nr. 2, 2012, s. 105-115

Christiane Lehrer; Ioanna Constantiou; Thomas Hess / A Cognitive Processes Analysis of Individuals' Use of Location-based Services
I: ECIS 2011 ProceedingsAtlanta, GA : Association for Information Systems. AIS Electronic Library (AISeL) 2011

Rob Veitch; Ioanna Constantiou / Digital Product Acquisition In The Context Of Piracy : A Proposed Model And Preliminary Findings.
I: PACIS 2011 Proceedings. red. /Peter B. Seddon; Shirley Gregor. Atlanta, GA : Association for Information Systems. AIS Electronic Library (AISeL) 2011

Christiane Lehrer; Ioanna Constantiou; Thomas Hess / Examining the Determinants of Mobile Location-based Services' Continuance
I: Proceedings of the International Conference on Information Systems: ICIS 2011. . red. /Dennis F. Galletta; Ting-Peng Liang. Atlanta, GA : Association for Information Systems. AIS Electronic Library (AISeL) 2011, s. 1253-1269

Ioanna Constantiou; Sabine Madsen; Anastasia Papazafeiropoulou / Information Management Practices : How Knowledge Workers Act as Amateurs When Using Information at Work.
Paper presented at The 27th EGOS Colloquium 2011, 2011

Ioanna Constantiou; Sabine Madsen; Anastasia Papazafeiropoulou / Investigating the Influence of Information Management Practices on IS Governance
I: Governance and Sustainability in Information Systems: Managing the Transfer and Diffusion of IT: IFIP WG 8.6 International Working Conference Hamburg, Germany, September 22-24, 2011, Proceedings . . red. /Markus Nüttgens; Andreas Gadatsch; Karlheinz Kautz; Ingrid Schirmer; Nadine Blinn. Heidelberg : Springer Science+Business Media 2011, s. 295-299 (IFIP Advances in Information and Communication Technology , Nr. 366)

Arisa Shollo; Ioanna Constantiou / Self-Reinforcing Behaviours in Decision-Making : The Case of Project Prioritisation in a Financial Institution.
Abstract from The 27th EGOS Colloquium 2011, 2011

Rob Veitch; Ioanna Constantiou / To Pirate or to Purchase? : A Model of Individual Decisions for Digital Product Product Acquisition.
Paper presented at The 6th Mediterranean Conference on Information Systems. MCIS 2011, 2011

Arisa Shollo; Ioanna Constantiou / When Hard Facts are too Little : The Case of IT Project Prioritization in a Financial Institution.
Abstract from The Academy of Management Annual Meeting 2011, 2011

Ioanna Constantiou; Volker Mahnke / Consumer Behaviour and Mobile TV Services : Do Men Differ From Women in Their Adoption Intentions?.
I: Journal of Electronic Commerce Research (Online Edition), Vol. 2, Nr. 2, 2010, s. 127-139

Christiane Lehrer; Ioanna Constantiou; Thomas Hess / Exploring Use Patterns and Perceived Value of Location-Based Services
I: 2010 Ninth International Conference on Mobile Business and 2010 Ninth Global Mobility Roundtable (ICMB-GMR) : IEEE 2010, s. 107-115

Ioanna Constantiou; Natascha Hoebel; Roberto V. Zicari / Reputation, Framing Strategies and User's Choice of Content on the Web : An Empirical Study.
I: Concurrency and Computation: Practice & Experience, Vol. 22, Nr. 7, 2010, s. 872-889

Ronald Batenburg; Ioanna Constantiou / A European Study of E-Business Maturity and ICT-Benefits : Is There a Conditional Relationship?.
I: Information Systems in a Globalising World: Challenges, Ethics and Practices. . red. /S. Newell; E. Whitley; N. Pouloudi; J. Wareham; L. Mathiassen. 2009, s. 1901-1912

Ioanna Constantiou / Consumer Behaviour in the Mobile Telecommunications' Market : The Individual's Adoption Decision of Innovative Services.
I: Telematics and Informatics, Vol. 26, Nr. 3, 2009, s. 270-281

Ioanna Constantiou; Anastasia Papazafeiropoulou; Morten Thanning Vendelø / Does Culture Affect the Adoption of Advanced Mobile Services? : A Comparative Study of Young Adults' Perceptions in Denmark and the UK.
I: Data Base - for Advances in Information Systems, Vol. 40, Nr. 4, 2009, s. 132-147

Ioanna Constantiou; Maria Bina / Exploring the Use of Mobile Data Services in Europe : The Cases of Denmark and Greece.
I: Mobile Computing: Concepts, Methodologies, Tools, and Applications. . red. /David Taniar. Vol. III, Hershey : Idea Group Publishing 2009, s. s. 1296-1311

Ioanna Constantiou; Anastasia Papazafeiropoulou; Yogesh K. Dwivedi / The Diffusion of IP Telephony and Vendors' Commercialisation Strategies
I: Journal of Information Technology, Vol. 24, Nr. 1, 2009, s. 25-34

Ioanna Constantiou; Anastasia Papazafeiropoulou / The Vendors' Perspective on the Choice Process of IP Telephony
I: International Journal of Entrepreneurship and Innovation Management, Vol. 9, Nr. 1/2, 2009, s. s. 174-189

Ioanna Constantiou / Consumer behaviour and Advanced Mobile Data Services : Opening the "black box" of the individual's choice process.
I: International Journal of Social Humanistic Computing, Vol. 1, Nr. 1, 2008, s. 67-80

Ioanna Constantiou; Karlheinz Kautz / Economic factors and diffusion of IP telephony : Empirical evidence from an advanced market.
I: Telecommunications Policy, Vol. 32, Nr. 3-4, 2008, s. 197-211

Ioanna D. Constantiou; Maria Bina / Exploring the Use of Mobile Data Services in Europe : The Cases of Denmark and Greece.
I: Global Mobile Commerce: Strategies, Implementation and Case Studies. . red. /W. Huang; Y. L. Wang; J. Day. : Idea Group Publishing 2008, s. 134-149

Ioanna Constantiou; A. Papazafeiropoulou / The Diffusion of IR-Telephony and the Vendors Commercialisation Strategies
I: The 16th European Conference on Information Systems. red. /W. Golden; T. Acton; K. Conboy; H. van der Heijden; V. K. Tuunainen. : National University of Ireland 2008, s. 1178-1189

Hun Choi; Jinwoo Kim; Minkyung Lee; George Giaglis; Kazuaki Naruse; Ioanna D. Constantiou; Elizabeth Fife; Glenn E. Mayhew / Contribution to quality of life : Cross-national validation of new metrics for mobile data service technology in Korea and Japan.
I: International Journal of Innovation and Technology Management, Vol. 4, Nr. 2, 2007, s. 191-208

Ioanna D. Constantiou; Volker Mahnke / Reaching Market Readiness in Mobile TV Services : An Empirical Study.
Paper presented at The 4th International CICT Conference on Mobile Media, DTU, 2007

Morten Thanning Vendelø; Ioanna Constantiou / Reputation Based on Future Performance : A Narrative Approach in High-Tech Industries.
Paper presented at 11th International Conference on Reputation, Brand, Identity and Competitiveness. BI, Norwegian School of Management, 2007

Ioanna D. Constantiou; Jan Damsgaard; Lars Knutsen / The Four Incremental Steps Toward Advanced Mobile Service Adoption : Exploring mobile device user adoption patterns and market segmentation.
I: Communications of the ACM, Vol. 50, Nr. 6, 2007, s. 51-55

Ioanna Constantiou / Exploring Moral Hazard Models and Linear Incentive Schemes in the Internet Connectivity Market
I: Doctoral Studies in Management Science & Technology In Honor of Professor Amedeo R. Odoni (MIT). red. /Georgios I. Doukidis. Athens : Athens University of Economics and Business 2006, s. 52-60

Ioanna Constantiou / Exploring mobile user's choice of advanced mobile data services : A research framework based on Referencing and Reasoning processes.
Paper presented at Proceedings of the 3rd International CICT Conference, Mobile and wireless content, services and networks: Short-term and long term development trends, 30 November - 1 December 2006, Lyngby, Denmark, 2006

Ioanna Constantiou; Jan Damsgaard; Lars Knutsen / Exploring perceptions and use of mobile services : User differences in an advancing market.
I: International Journal of Mobile Communications, Vol. 4, Nr. 3, 2006, s. 231-247

Jennifer Blechar; Ioanna Constantiou; Jan Damsgaard / Exploring the influence of reference situations and reference pricing on mobile service user behaviour
I: European Journal of Information Systems, Vol. 15, Nr. 3, 2006, s. 285-291

Ioanna Constantiou; Anastasia Papazafeiropoulou / Is there a viable future for residential IP-Telephony users? : Exploring providers' and end-users' perspectives.
Paper presented at Australasian Conference on Information Systems. ACIS 2006, 2006

Jennifer Blechar; Ioanna Constantiou; Jan Damsgaard / Key Attributes and the Use of Advances Mobile Service : Lessons Learned from a Field Study.
I: Handbook of Research on Mobile Multimedia. red. /Ismail Khalil Ibrahim. 2006, s. 119-127

Nikolaos Korfiatis; Ioanna Constantiou / Socially targeted mobile services : Towards an upper level ontology of social roles for mobile environments.
Paper presented at In the Proceedings of 14th European Conference on Information Systems, Göteborg June 12-14 2006, 2006

Ioanna Constantiou; Anastasia Papazafeiropoulou / The Providers' Perspective in IP-Telephony Diffusion : Insights from the Danish Market.
Paper presented at In the Proceedings of 14th European Conference on Information Systems, Göteborg June 12-14 2006, 2006

Jennifer Blechar; Ioanna Constantiou; Jan Damsgaard / Understanding behavioural patterns of advanced mobile service users
I: Electronic Government, an International Journal, Vol. 3, Nr. 1, 2006, s. 93-104

Lars Knutsen; Ioanna Constantiou; Jan Damsgaard / Acceptance and perceptions of advanced mobile services : Alterations during a field study.
I: Proceedings of the 4th IEEE International Conference on Mobile Business (ICMB'05)2005, s. 326-332

Ioanna Constantiou; Jan Damsgaard; Lars Knutsen / Beware of Dane-Geld : Even if Paid, M-Service Adoption Can be Slow.
I: Proceedings of European Conference on Information Systems, May 26- 28,Regensburg, Germany2005

Ioanna Constantiou; Jennifer Blechar; Jan Damsgaard / New Mobile Services and the Internet : Friend or Foe?.
Paper presented at The 28th Information Systems Seminar in Scandinavia. IRIS 2005, 2005

Jennifer Blechar; Ioanna Constantiou; Jan Damsgaard / The Role of Marketing in the Adoption of New Mobile Services : It is Worth the Investment.
Paper presented at The 4th IEEE International Conference on Mobile Business , 2005

Ioanna Constantiou; Jan Damsgaard; Lars Knutsen / Whither mobile services' market? : Portraying profiles of mobile users and exploring their economic behavior.
Paper presented at Wise 2004: Workshop on Information Systems and Economics. December 11-12, 2004. Maryland, USA, 2005

Ioanna Constantiou; Jan Damsgaard / Bundle Pricing for Location-Based Mobile Services
Paper presented at The 12th European Conference on Information Systems (ECIS) 2004, 2004

Ioanna Constantiou; Jan Damsgaard; Lars Knutsen / Investigating mobile services´ adoption and diffusion in the Danish market
Paper presented at The 27th Information Systems Seminar in Scandinavia. IRIS 2004, 2004

Ioanna Constantiou; Jan Damsgaard; Lars Knutsen / Mobile services´ adoption and diffusion : Is there something rotten in the state of Denmark?.
Paper presented at Proceedings of the Third International Conference on Mobile Business, M-Business, New York City, July 12-13, 2004, 2004

Ioanna Constantiou; Jan Damsgaard; Lars Knutsen / Strategic planning for mobile services adoption and diffusion : Empirical evidence from the Danish market.
Paper presented at IFIP TC8 Working Conference on Mobile Information Systems, Oslo, September 2004, 2004