3 CONCEPTUAL FRAMEWORK
8. BIBLIOGRAPHY
Ahmad, N., Barakji, S., Shahada, T. and Anabtawi, Z. (2017). How to launch a successful video game: A framework. Entertainment Computing, 23, pp.1-11.
Anderson, C. (2006). The long tail. London: Random House Business.
Anderson, C. (2009). Free: the future of a radical price. Hyperion Books,
Arsenault, D. (2009). Video Game Genre, Evolution and Innovation. Eludamos. Journal for Computer Game Culture. 3 (2), p. 149-176
Asur, S., & Huberman, B. A. (2010). Predicting the Future with Social Media. 2010 IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology.
doi:10.1109/wi-iat.2010.63
Ben Lewis & Lance Porter (2010) In-Game Advertising Effects, Journal of Interactive Advertising, 10:2, 46-60, DOI: 10.1080/15252019.2010.10722169
Beyer, K., Goldstein, J., Ramakrishan, R., & Shaft, U. (1999). Nearest-neighbor methods. Wiley Interdisciplinary Reviews: Computational Statistics, 4(3), 307-309. doi: 10.1002/wics.1195 Bogost, Ian (2008) Persuasive Games: Windows and Mirror’s Edge. Gamasutra. Available at:
http://www.gamasutra.com/view/feature/3890/persuasive_games_windows_and_.php [Accessed: 31 July 2019]
Bollen, Johan, Maol, Huina, Zeng, Xiao-Jun (2010), Twitter mood predicts the stock market, Indiana University Bloomington, United States, The University of Manchester, United Kingdom,
https://arxiv.org/pdf/1010.3003.pdf
Brill, E. (1992). A Simple Rule-Based Part of Speech Tagger. Ft. Belvoir: Defense Technical Information Center.
Brockmann, Tobias; Stieglitz, Stefan; and Cvetkovic, Arne, "Prevalent Business Models for the Apple App Store" (2015).Wirtschaftsinformatik Proceedings 2015. 81.http://aisel.aisnet.org/wi2015/81 Brown, P. (1992). A statistical approach to machine translation. Yorktown Heights, N.Y.: IBM T.J.
Watson Research Center.
Cardie, C., Wiebe, J., Wilson, T., & Litman, D. (2003). Combining Low-Level and Summary Representations of Opinions for Multi-Perspective Question Answering.
Cavnar W., & Trenkle, J. M. (2001) N-Gram-Based Text Categorization.
Chan, P. (1999). Distributed data mining in credit card fraud detection. Estados Unidos: The Institute of Electrical and Electronics Engineers, Inc-IEEE.
Choudhury, M. D., Counts, S., & Horvitz, E. (2013). Predicting postpartum changes in emotion and behavior via social media. Proceedings of the SIGCHI Conference on Human Factors in Computing Systems - CHI 13. doi:10.1145/2470654.2466447
Chowdhury, G. (2003). Natural language processing. Annual Review of Information Science and Technology, 37(1), pp.51-89.
Christensen, C. (2016). The innovator's dilemma. Boston, Mass.: Harvard Business Review Press.
Cioffi-Revilla, C. (2013). Introduction to Computational Social Science:. Springer.
Civelek, Ismail; Liu, Yipeng & Marston, Sean R. (2018) Design of Free-to-Play Mobile Games for the Competitive Marketplace, International Journal of Electronic Commerce, 22:2, 258-288, DOI:
10.1080/10864415.2018.1441755
Cuff, S., & Terry, C. R. (2017). Nintendo's Retro Revolution: Commodified Nostalgia and the Virtual Console. In C. Hart (Ed.), The Evolution and Social Impact of Video Game Economics (1st ed., pp.
15-30). [Chapter 2] Lexington Books.
Davenport, T. H. (2006). Competing on analytics. Harvard Business Review, 84(1), 98-107.
Davidovici, Myriam. (2013). Innovation in business models in the video game industry: Free-To-Play or the gaming experience as a service. The Computer Games Journal. 2. 22-51. 10.1007/BF03392349.
Davidovici, Myriam. (2014). Paid and Free Digital Business Models Innovations in the Video Game Industry. Digiworld Economic Journal. 2. no. 94, 2nd Q., p. 83.
Deng, Jie & Cuadrado, Félix & Tyson, Gareth & Uhlig, Steve. (2015). Behind the Game: Exploring the Twitch Streaming Platform. 10.1109/NetGames.2015.7382994.
Downs, D. (2018). Mobile Gaming: The Case for Gaming Smartphones. [online] gap intelligence.
Available at:
https://www.gapintelligence.com/blog/mobile-gaming-the-case-for-gaming-smartphones/ [Accessed 31 Jul. 2019].
Dreier, M & Wölfling, Klaus & Duven, Eva & Giralt, Sebastian & Beutel, Manfred & Müller, Kai.
(2016). Free-to-play: About addicted Whales, at risk Dolphins and healthy Minnows. Monetarization design and Internet Gaming Disorder. Addictive Behaviors. 5. 10.1016/j.addbeh.2016.03.008.
Drummond, A. and Sauer, J. (2018). Video game loot boxes are psychologically akin to gambling.
Nature Human Behaviour, 2(8), pp.530-532.
Dunn, J. (2013). Full Steam ahead: The History of Valve. [online] gamesradar. Available at:
http://www.gamesradar.com/history-of-valve/ [Accessed 31 Jul. 2019].
Duverge, G. (2016). Insert More Coins: The Psychology Behind Microtransactions. [online] Touro University WorldWide. Available at:
https://www.tuw.edu/psychology/psychology-behind-microtransactions/ [Accessed 31 Jul. 2019].
Ekman, Poul (1992), An argument for basic emotions, University of San Francisco, USA, https://pdfs.semanticscholar.org/93d3/6be2da43bfe8303e718b06 1e7c6edf016256.pdf
ESA, E. (2018). 2018 Essential Facts About the Computer and Video Game Industry - Entertainment Software Association. [online] Entertainment Software Association. Available at:
https://www.theesa.com/esa-research/2018-essential-facts-about-the-computer-and-video-game-indust ry/ [Accessed 31 Jul. 2019].
European Central Bank (2012): Virtual money schemes, Eurosystem, Frankfurt, Germany Evers, E., van de Ven, N., & Weeda, D. (2015). The hidden cost of microtransactions: Buying in-game advantages in online games decreases a player’s status. International Journal of Internet Science, 10(1), 20-36.
F. Ted Tschang, (2007) Balancing the Tensions Between Rationalization and Creativity in the Video Games Industry.Organization Science 18(6):989-1005. https://doi.org/10.1287/orsc.1070.0299 Fowelin, C. and Uddsten, F. (2015). Freemiumin the Mobile Applications Market. Master's Thesis.
Lund University.
Gainsbury, Sally M. Hing, Nerilee. Delfabbro, Paul H & King, Daniel L. (2014) A taxonomy of gambling and casino games via social media and online technologies, International Gambling Studies, 14:2, 196-213, DOI: 10.1080/14459795.2014.890634
Gandomi, A. and Haider, M. (2015). Beyond the hype: Big data concepts, methods, and analytics.
International Journal of Information Management, 35(2), pp.137-144.
Georgieva, G., Arnab, S., Romero, M. and Freitas, S. (2015). Transposing freemium business model from casual games to serious games. Entertainment Computing, 9-10, pp.29-41.
Gerken, T. (2018). Video game loot boxes declared illegal under Belgium gambling laws., from https://www.bbc.com/news/technology-43906306 [Retrieved February 12th 2019]
Gibson, E. (2006). Digital distribution unlikely to catch on soon, says Activision CEO. Retrieved March 1st, 2019, from
http://www.gamesindustry.biz/articles/digital-distribution-unlikely-to-catch-on-soon-says-activision-c eo [Accessed 31 Jul. 2019].
Goes, P. (2014). Big data and IS research. MIS Quarterly, 38(3), iii-viii.
Gordon, L. (2018). Nostalgia is gaming’s biggest trend. [online] The Outline. Available at:
https://theoutline.com/post/6053/tanglewood-sega-genesis-nostalgia?zd=1&zi=bb253yfd [Accessed 31 Jul. 2019].
Gough, Christina. (2018). Distribution of digital games market revenue worldwide in 2017, by monetization model. [online] Www-statista-com.esc-web.lib.cbs.dk. Available at:
https://www-statista-com.esc-web.lib.cbs.dk:8443/statistics/821451/distribution-digital-games-market -revenue-monetization-model/ [Accessed 31 Jul. 2019].
Guo, H., Hao, L., Mukhopadhyay, T. and Sun, D. (2019). Selling Virtual Currency in Digital Games:
Implications for Gameplay and Social Welfare. Information Systems Research, 30(2), pp.430-446.
Hamari, J., Alha, K., Järvelä, S., Kivikangas, J., Koivisto, J. and Paavilainen, J. (2017). Why do players buy in-game content? An empirical study on concrete purchase motivations. Computers in Human Behavior, 68, pp.538-546.
Hamilton, William A. and Garretson, Oliver and Kerne, Andruid (2014), Proceedings of the SIGCHI Conference on Human Factors in Computing Systems Pages 1315-1324,
http://dx.doi.org/10.1145/2556288.2557048
Harris, B. (2014). Console wars. New York, NY: It Books, An imprint of HarperCollins Publishers.
Hart, Casey B. (2017). “Free-to-Play?: Considering the Interaction of Functional Factors in Video Game Design Influencing the Economic Effectiveness of Microtransactions”. In C. Hart (Ed.), The Evolution and Social Impact of Video Game Economics (1st ed., pp. 15-30). [Chapter 5] Lexington Books.
Hart, Casey B. (2017). “Introduction”. In C. Hart (Ed.), The Evolution and Social Impact of Video Game Economics (1st ed., pp. vii-1). [Introduction] Lexington Books.
Henderson, R. (2013). Candy Crush developer talks difference between freemium and free-to-play as Papa Pear Saga imminent - Pocket-lint. [online] Pocket-lint. Available at:
https://www.pocket-lint.com/apps/news/124622-candy-crush-developer-talks-difference-between-free mium-and-free-to-play-as-papa-pear-saga-imminent [Accessed 31 Jul. 2019].
Hollist, Katherine (2016) “Time To Be Grown-Ups About Video Gaming: The Rising E-Sports Industry And The Need For Regulation”. Amazon Law Review, VOL. 57:823
Holst, A. (2019). Number of smartphone users worldwide from 2016 to 2021 (in billions). [online]
Www-statista-com.esc-web.lib.cbs.dk. Available at:
https://www-statista-com.esc-web.lib.cbs.dk:8443/statistics/330695/number-of-smartphone-users-wor ldwide/ [Accessed 31 Jul. 2019].
Hussain, A. (2016). On the Design, Development and Use of the Social Data Analytics Tool (SODATO): Design Propositions, Patterns, and Principles for Big Social Data Analytics.
Hussain, Abid & Vatrapu, Ravi. (2014). Social Data Analytics Tool: Design, Development, and Demonstrative Case Studies. Proceedings - IEEE International Enterprise Distributed Object Computing Workshop, EDOCW. 414-417. 10.1109/EDOCW.2014.70.
Hussain, Abid & Vatrapu, Ravi & Hardt, Daniel & Ali Jaffari, Zeshan. (2014). Social Data Analytics Tool: A Demonstrative Case Study of Methodology and Software. 10.1057/9781137276773_5.
Hutto, C., & Gilbert, E. (2015). VADER: A Parsimonious Rule-based Model for Sentiment Analysis of Social Media Text.
Iglesia, Jose Marin de la & Gayo, Jose Labra . (2008). Doing business by selling free services.
10.1007/978-0-387-85895-1_6. from book Web 2.0: The Business Model (pp.1-14)
https://www.researchgate.net/publication/227244879_Doing_business_by_selling_free_services Jacobson, R. (2013). 2.5 quintillion bytes of data created every day. How does CPG & Retail manage it? - IBM Consumer Products Industry Blog. [online] IBM Consumer Products Industry Blog.
Available at:
https://www.ibm.com/blogs/insights-on-business/consumer-products/2-5-quintillion-bytes-of-data-cre ated-every-day-how-does-cpg-retail-manage-it/ [Accessed 1 Aug. 2019].
Johnson, M.R., & Brock, T. (2019). How are video games and gambling converging? Gambling Research Exchange Ontario, Guelph, Ontario, Canada.
Jones, K. S., & Kay, M. (1973). Linguistics and information science Karen Sparck Jones, Martin Kay.
New York: Acadeimc Press.
Kaplan, Haenlein (2015), Users of the World, Unite! The Challenges and Opportunities of Social Media, Kelley School of Business, USA,
https://www.researchgate.net/publication/222403703_Users_of_the_World_Unite_The_Challenges_a nd_Opportunities_of_Social_Media
Kavanaugh, Andrea L., Fox, Edward A., Sheetz, Steven D., Yang, Seungwon, Li, Lin Tzy,
Shoemaker, Donald J., Natsev, Apostol, Xie, Lexing (2012), Social media use by government: From the routine to the critical, Department of Computer Science, Virginia Tech, USA,
https://ac.elscdn.com/S0740624X12000871/1-s2.0 S0740624X12000871-
main.pdf?_tid=39c86257-67e3-47f4-afbae8fc47890b6b&acdnat=1543914264_56404ee4d23d2edadaf 447c8cf86727a
Kent, E. (2018). Loot boxes to be investigated by US Federal Trade Commission. [online]
Eurogamer.net. Available at:
https://www.eurogamer.net/articles/2018-11-28-loot-boxes-to-be-investigated-by-us-federal-trade-co mmission [Accessed 31 Jul. 2019].
Kerr, C. (2016). Over 500 games now submitted to iOS App Store every day. [online]
Gamasutra.com. Available at:
https://www.gamasutra.com/view/news/267645/Over_500_games_now_submitted_to_iOS_App_Stor e_every_day.php [Accessed 31 Jul. 2019].
King, D. and Delfabbro, P. (2018). Video Game Monetization (e.g., ‘Loot Boxes’): a Blueprint for Practical Social Responsibility Measures. International Journal of Mental Health and Addiction, 17(1), pp.166-179.
King, Daniel & H. Delfabbro, Paul. (2018). Predatory monetization features in video games (e.g.,
‘loot boxes’) and Internet gaming disorder. Addiction. 113. 10.1111/add.14286.
Kokkonen, T. (2014). Microtransactions in Android Games. Master's Thesis. Kareila University of Applied Sciences.
Kristian, L.N., & Paweł, G. (2018). Are Loot Boxes Gambling? Random reward mechanisms in video games. In Proceedings
Larsen, Henrikke Hovda, Forsberg, Johanna Margareta, Hemstad, Sigrid Viken, Mukkamala, Raghava Rao Mukkamala, Hussain, Abid, Vatrapu, Ravi (2016), Ratings vs. Social Media Engagement: Big Social Data Analytics of the Scandinavian TV Talk Show Skavlan, Centre for Business Data Analytics, Copenhagen Business School, Denmark, Westerdals Oslo School of Arts, Comm & Tech, Norway, https://www.computer.org/csdl/proceedings/big-data/2016/9005/00/07841058.pdf
Laudon, K. and Traver, C. (2018). E-commerce 2018: business, technology, society. 14th ed. Boston:
Pearson.
Lee, L. (2001). Computer science. Washington, D.C.: National Academies Press.
Levy, Y., & Ellis, T. (2006). A Systems Approach to Conduct an Effective Literature Review in Support of Information Systems Research.
Levy, Y. and J. Ellis, T. (2006). A Systems Approach to Conduct an Effective Literature Review in Support of Information Systems Research. Informing Science: The International Journal of an Emerging Transdiscipline, 9, pp.181-212.
Liu, D.; Li, X.; and Santhanam, R. Digital games and beyond: What happens when players compete?
MIS Quarterly, 37, 1 (2013), 111–124.
Lizardi, Ryan. DLC: Perpetual Commodification of the Video Game. Democratic Communiqué, [S.l.], v. 25, n. 1, june 2012. ISSN 1555-8967. Available at:
http://journals.fcla.edu/demcom/article/view/78739. [Accessed 15 mar. 2019]
Lovell, N. (2011): "Whales, Dolphins and minnows: the beating heart of a free-to-play game", http://www.gamesbrief.com [Accessed 31 Jul. 2019].
Luton, W. Free2Play: Making Money from Games You Give Away, 2013a.
Manning, C., Raghavan, P. and Schütze, H. (2009). Introduction to information retrieval. New York:
Cambridge University Press.
Marchand, A. and Hennig-Thurau, T. (2013). Value Creation in the Video Game Industry: Industry Economics, Consumer Benefits, and Research Opportunities. Journal of Interactive Marketing, 27(3), pp.141-157.
Matwin, S. (n.d.). Proceedings of the 23rd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining. [S.l.]: ACM.
McCaffrey, Matthew, The Macro Problem of Microtransactions: The Self-Regulatory Challenges of Video Game Loot Boxes (2019). Business Horizons, Forthcoming. Available at SSRN:
https://ssrn.com/abstract=3309612
McTee, Michael (2014) "E-Sports: More Than Just a Fad,"Oklahoma Journal of Law and Technology:
Vol. 10 : No. 1 , Article 3.
Merikivi, Jani & Tuunainen, Virpi & Duyen, Nguyen. (2016). What makes continued mobile gaming enjoyable?. Computers in Human Behavior. 68. 10.1016/j.chb.2016.11.070.
Mikolov, T., Sutskever, I., Chen, K., Corrado, G., & Dean, J. (2013). Efficient Estimation of Word Representations in Vector Space
Montalvo RE (2011) Social media management. Int J Manage Inf Syst (IJMIS) 15(3):91–96 Morris, C. (2018). The Demographics of Video Gaming | Earnest. [online] Earnest. Available at:
https://www.earnest.com/blog/the-demographics-of-video-gaming/ [Accessed 31 Jul. 2019].
Mukkamala, Raghava Rao, Hussain, Abid, Vatrapu, Ravi (2013), Towards a Formal Model of Social Data, IT University of Copenhagen, Denmark,
https://pure.itu.dk/ws/files/54477234/ITU_TR_2013_169.pdf
Mukkamala, Raghava Rao, Hussain, Abid, Vatrapu, Ravi (2013), Towards a Formal Model of Social Data, IT University of Copenhagen, Denmark,
https://pure.itu.dk/ws/files/54477234/ITU_TR_2013_169.pdf
Muriel, D. and Crawford, G. (2018). Video Games and Agency in Contemporary Society. Games and Culture, p.155541201775044.
Neely, Erica. (2018). Come for the game, stay for the cash grab: the ethics of loot boxes, microtransactions, and freemium games. Draft Copy
https://www.researchgate.net/publication/329403049_Come_for_the_game_stay_for_the_cash_grab_t he_ethics_of_loot_boxes_microtransactions_and_freemium_games
Newzoo. (2019). The Global Games Market Will Generate $152.1 Billion in 2019 as the U.S.
Overtakes China as the Biggest Market | Newzoo. [online] Available at:
https://newzoo.com/insights/articles/the-global-games-market-will-generate-152-1-billion-in-2019-as-the-u-s-overtakes-china-as-the-biggest-market/ [Accessed 31 Jul. 2019].
Nieborg, D. (2016). From premium to freemium: The political economy of the app. In T. Leaver & M.
Willson (Eds.), Social, Casual and Mobile Games: The Changing Gaming Landscape (pp. 225–240).
London and New York: Bloomsbury Academic.
Nielsen, Rune Kristian Lunedal and Grabarczyk, Paweł (2018). Are Loot Boxes Gambling? Random reward mechanisms in video games. DiGRA '18 - Proceedings of the 2018 DiGRA International Conference: The Game is the Message.
Norvig, P. and Russell, S. (2004). Artificial intelligence. Upper Saddle River: Prentice Hall.
Osathanunkul, C. (2015). A Classification of business models in video game industry. International Journal of Management Cases. Volume 17, Issue 1. p. 35-45
O’Donnell, Casey (2017). “Show me the money: Shifting field of capital in the global game industry”.
In C. Hart (Ed.), The Evolution and Social Impact of Video Game Economics (1st ed., pp. 1-15).
[Chapter 2] Lexington Books.
Pak, A., & Paroubek, P. (2010). Twitter as a Corpus for Sentiment Analysis and Opinion Mining.
Pang, B., & Lee, L. (2004). A Sentimental Education: Sentiment Analysis Using Subjectivity Summarization Based on Minimum Cuts.
Pang, B., & Lee, L. (2008). Opinion mining and sentiment analysis. [S.l.]: Nowpublishers.
Parker, G., Van Alstyne, M. and Choudary, S. (2017). Platform revolution. New York: W.W. Norton
& Company.
Paul, T. (2013). Is $50 Worth of Dead Space 3 DLC Still a 'Microtransaction'?. [online] Forbes.com.
Available at:
https://www.forbes.com/sites/insertcoin/2013/01/30/is-50-worth-of-dead-space-3-dlc-still-a-microtran saction/ [Accessed 31 Jul. 2019].
Peckham, M. and Peckham, M. (2013). Why EA’s Video Game Microtransactions Do and Don’t Bother Me | TIME.com. [online] TIME.com. Available at:
http://techland.time.com/2013/02/28/why-eas-video-game-microtransactions-do-and-dont-bother-me/
[Accessed 31 Jul. 2019].
Perez, S. (2018). Facebook rolls out more API restrictions and shutdowns – TechCrunch. [online]
TechCrunch. Available at:
https://techcrunch.com/2018/07/02/facebook-rolls-out-more-api-restrictions-and-shutdowns/
[Accessed 31 Jul. 2019].
Provost, F., & Fawcett, T. (2013). Data Science and Its Relationship to Big Data and Data-Driven Decision Making.
Provost, F. and Fawcett, T. (2013). Data science for business. Sebastopol, CA: O'Reilly Media.
PwC, Statista estimates (2018). [online] Statista. Available at:
https://www-statista-com.esc-web.lib.cbs.dk:8443/statistics/246888/value-of-the-global-video-game-market/ [Accessed 31 Jul. 2019].
Qutee (2018). Gaming today: A report by Qutee into how playeres really feel about Gaming in 2018.
[online] Available at: https://s3.amazonaws.com/qutee-reports/Qutee-Gaming-Today-Report.pdf [Accessed 31 Jul. 2019].
Ravoniarison, Aina ; Benito, Cédric (2019) "Mobile games: players’ experiences with in-app
purchases", Journal of Research in Interactive Marketing https://doi.org/10.1108/JRIM-06-2016-0060 Rayna, Thierry and Striukova, Ludmila, 'Few to Many': Change of Business Model Paradigm in the Video Game Industry (2014). Digiworld Economic Journal, No. 94, 2nd Q. 2014, p. 61. Available at SSRN: https://ssrn.com/abstract=2534019
Redman, T. C. (2008). Data driven: Profiting from your most important business asset. Boston, MA:
Harvard Business Press.
Reuters (2018). Investing in the Soaring Popularity of Gaming. [online] Available at:
https://www.reuters.com/sponsored/article/popularity-of-gaming [Accessed 31 Jul. 2019].
Rish, I. (2001). Efficient Implementation of Class Based Decomposition Schemes for Naive Bayes Classifier. International Journal Of Science And Research (IJSR), 4(11), 237-240. doi:
10.21275/v4i11.nov151091
Rivest Ron, Shamir Adi (1996): “PayWord and MicroMint: Two simple micropayment schemes”, Proceedings of 1996 International Workshop on Security Protocols.
Robertson, S. (2004). Understanding inverse document frequency: on theoretical arguments for IDF.
Journal of Documentation, 60(5), pp.503-520.
Robson, C. (2002) Real World Research (2nd edn). Oxford: Blackwell.
Ryan Wallace,Modding: Amateur Authorship and How the Video Game Industry is Actually Getting It Right, 2014 BYU L. Rev.219(2014).Available at:
https://digitalcommons.law.byu.edu/lawreview/vol2014/iss1/7
Samuel, A. (1969). Some studies in machine learning using the game of checkers. Oxford: Pergamon Press.
Samuelsson, C. and Voutilainen, A. (1997). Comparing a linguistic and a stochastic tagger.
Saxena, Arjun N. Invention of Integrated Circuits : Untold Important Facts, World Scientific Publishing Co Pte Ltd, 2009. ProQuest Ebook Central,
https://ebookcentral.proquest.com/lib/kbhnhh-ebooks/detail.action?docID=477238.
Saunders, M., Lewis, P. and Thornhill, A. (2009). Research Methods for Business Students. 5th ed.
[S.l.]: PEARSON EDUCATION LIMITED.
Schwiddessen, Sebastian & Karius, Philipp. (2018). Watch your loot boxes! – Recent developments and legal assessment in selected key jurisdictions from a gambling law perspective. Interactive Entertainment Law Review. 1. 17-43. 10.4337/ielr.2018.01.02.
Scott, S., & Matwin, S. (1999). Feature engineering for text classification.
Seidl, A., Caulkins, J., Hartl, R. and Kort, P. (2018). Serious strategy for the makers of fun: Analyzing the option to switch from pay-to-play to free-to-play in a two-stage optimal control model with quadratic costs. European Journal of Operational Research, 267(2), pp.700-715.
Seufert, E.B. Freemium Economics, Morgan Kaufmann, 2014.
Soh, C., Markus, M., & Goh, K. (2006). Electronic Marketplaces and Price Transparency: Strategy, Information Technology, and Success. MIS Quarterly, 30(3), 705-723. doi:10.2307/25148746 Soroush, Milad & Hancock, Mark & K. Bonns, Vanessa. (2015). Self-control in casual games: The relationship between Candy Crush Saga™ players' in-app purchases and self-control. Conference Proceedings - 2014 IEEE Games, Media, Entertainment Conference, IEEE GEM 2014.
10.1109/GEM.2014.7048099.
Steyvers, M. and Tenenbaum, J. (2007). Topics in semantic representation. Estados Unidos: American Psychological Association.
Švelch, Jan (2017). Playing with and against Microtransactions: The Discourses of Microtransactions’
Acceptance and Rejection in Mainstream Video Games: Considering the Interaction of Functional Factors in Video Game Design Influencing the Economic Effectiveness of Microtransactions”. In C.
Hart (Ed.), The Evolution and Social Impact of Video Game Economics (1st ed., pp. 101-121).
[Chapter 7] Lexington Books.
Tomic, N. (2017). Effects of micro transactions on video games industry. Megatrend revija, 14(3), pp.239-257.
Tyni, H., Sotamaa, O., & Toivonen, S. (2011). Howdy Pardner!: On free-to-play, sociability and rhythm design in FrontierVille. Mindtrek, 2011, 22e29.
Vatrapu, R. (2013). Understanding Social Business. I K. B. Akhilesh (red.), Emerging Dimensions of Technology Management (s. 147-158 ). New Delhi: Springer Science+Business Media.
https://doi.org/10.1007/978-81-322-0792-4_11
Ward, Lewis (2013), App Annie and IDC Portable Gaming Report: 2012 Review and 4Q12 Deep Dive. IDC Presentation. February 2013, https://s3.amazonaws.com/files.appannie.com/blog/
White, Martha C. (2013), Game Over? Why Video-Game-Console Sales Are Plummeting. Time Magazine. http://business.time.com/2013/02/11/gameover-
why-video-game-console-sales-are-plummeting/.
Wong, J. (2017). Press restart: The nostalgia-fuelled rise of retro gaming | CBC News. [online] CBC.
Available at: https://www.cbc.ca/news/entertainment/retro-gaming-nostalgia-1.4457888 [Accessed 31 Jul. 2019].
Wright, S. (2017). The evolution of loot boxes. [online] pcgamer. Available at:
https://www.pcgamer.com/the-evolution-of-loot-boxes/ [Accessed 31 Jul. 2019].
Yin-Poole, W. (2019). How pack odds in FIFA 19 work. [online] Eurogamer.net. Available at:
https://www.eurogamer.net/articles/2018-09-18-heres-how-pack-odds-disclosures-in-fifa-19-works [Accessed 31 Jul. 2019].
Zackariasson, Peter and Timothy L. Wilson (2010), “Paradigm Shifts in the Video Game Industry,”
Competitiveness Review, 20, 2, pp. 139–51.
Zendle D, Cairns P (2018) Video game loot boxes are linked to problem gambling: Results of a large-scale survey. PLoS ONE 13(11): e0206767. https://doi.org/10.1371/journal.pone.0206767
8.1 Tools
UpsetPlot: Alexander Lex, Nils Gehlenborg, Hendrik Strobelt, Romain Vuillemot, Hanspeter Pfister, UpSet: Visualization of Intersecting Sets, IEEE Transactions on Visualization and Computer Graphics (InfoVis '14), vol. 20, no. 12, pp. 1983–1992, 2014. doi:10.1109/TVCG.2014.2346248
Rapidminer: www.rapidminer.com
Tableau: https://www.tableau.com/