Kaja J. Fietkiewicz

ORCID: 0000-0002-6390-2496
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About
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Research Areas
  • Digital Marketing and Social Media
  • Social Media and Politics
  • E-Government and Public Services
  • Privacy, Security, and Data Protection
  • Smart Cities and Technologies
  • Impact of Technology on Adolescents
  • Socioeconomic Development in MENA
  • FinTech, Crowdfunding, Digital Finance
  • Microfinance and Financial Inclusion
  • Global Urban Networks and Dynamics
  • Human Mobility and Location-Based Analysis
  • Digital Games and Media
  • Innovative Human-Technology Interaction
  • Multimedia Communication and Technology
  • Middle East and Rwanda Conflicts
  • Misinformation and Its Impacts
  • Privacy-Preserving Technologies in Data
  • Media Studies and Communication
  • Technology Adoption and User Behaviour
  • Public Administration and Political Analysis
  • Education and Islamic Studies
  • Innovative Approaches in Technology and Social Development
  • Cultural Industries and Urban Development
  • Sexuality, Behavior, and Technology
  • User Authentication and Security Systems

Heinrich Heine University Düsseldorf
2014-2022

In the last few years, a new type of synchronous social networking services (SNSs) has emerged—social live streaming (SLSSs). Studying SLSSs is and exciting research field in information science. What behaviors do users platforms exhibit? our empirical study we analyzed production behavior (i.e., broadcasting) as well reception (watching streams commenting on them). We conducted two quantitative investigations, namely an online survey with YouNow (N = 123) observations 434). service video...

10.1633/jistap.2016.4.2.1 article EN cc-by Journal of Information Science Theory and Practice 2016-06-30

Today we cannot imagine our everyday life without the Internet. Some of us do not even remember times, when actually had to get outside buy new clothes or book a vacation. Now, all these tasks can be managed, with help Internet, comfortably from homes. One most booming Internet offerings are so-called social media. In study investigate divergences in media usage between different generations. The out-comes investigation might valuable guide for businesses focusing on online marketing,...

10.1109/hicss.2016.477 article EN 2016-01-01

Can cities be smart? In this article we define what a smart city is and formulate categories indicators of and/or informational cities. Based on these measures, investigate four Japanese as case studies that appear to highly developed modern metropolises. We focus infrastructures essential for an base ubiquitous, (in narrow sense), creative, knowledge city. measure the level "smartness" or "informativeness" each create ranking. Finally, preconditions successful development cities, present...

10.1109/hicss.2015.282 article EN 2015-01-01

Contemporary and future cities are often labeled as "smart cities," "digital cities" or "ubiquitous "knowledge "creative cities." Informational urbanism includes all aspects of information (tacit well explicit) knowledge with regard to urban regions. "Informational city" (or in a broader sense) is an umbrella term uniting the divergent trends information-related city research. interdisciplinary endeavor incorporating on one side computer science other studies, planning, architecture,...

10.24251/hicss.2017.340 article EN cc-by-nc-nd Proceedings of the ... Annual Hawaii International Conference on System Sciences/Proceedings of the Annual Hawaii International Conference on System Sciences 2017-01-01

Micro-blogging services empower health institutions to quickly disseminate information many users. By analysing user data, infodemiology (i.e. improving public using contributed related content) can be measured in terms of diffusion.Tweets by the WHO were examined order identify tweet attributes that lead a high diffusion rate Twitter data collected between November 2019 and January 2020.One thousand hundred seventy-seven tweets Python's Tweepy library. Afterwards, k-means clustering manual...

10.1111/hir.12361 article EN Health Information & Libraries Journal 2021-03-08

To be concerned about data privacy in the fitness tracking world is apparently not question of age or level. It also does necessarily influence actual use technologies. In this empirical study, 590 participants from EU and USA, who are current users, former users non-users applications, were surveyed (online) on their sensitivity perception several pieces collected with trackers as well concerns. Furthermore, subgroups different detected based unconcerns.

10.24251/hicss.2020.421 article EN cc-by-nc-nd Proceedings of the ... Annual Hawaii International Conference on System Sciences/Proceedings of the Annual Hawaii International Conference on System Sciences 2020-01-01

For a long time, digital divide was given between young Web users and older population, which out of anxiety or incapability restrained from using the new technologies. Recently, so-called “Silver Surfers” “Digital Immigrants” tend to use not only for sending emails but also increasingly socializing on social media services (e.g., Kübler 2009; Frees & Koch 2015). This paper aims discuss differences in adoption platforms different generations. An online questionnaire created distributed...

10.31165/nk.2017.101.494 article EN Networking Knowledge Journal of the MeCCSA Postgraduate Network 2017-03-24

Crowdfunding allows entrepreneurs to fund their business projects by attracting crowd investors provide relatively small financial amounts via a standardized internet-based platform. Research on this topic is still limited, especially considering determinants that actually "convince the crowd" someone else's idea. This study examines impression management strategies as drivers for crowdfunding success. Based sample of 264 campaigns from Kickstarter, we develop and test hypotheses concerning...

10.1109/hicss.2016.439 article EN 2016-01-01

Research questions: (1) How can we explain the development of monopolies on SNS markets? (2) Are possibly temporarily limited? (3) What does this mean for competition (or antitrust) law? Results : Direct network effects (number users) and indirect (complementary products advertising) facilitate one standard und thus a quasi-monopoly. There is empirical evidence that there are indeed standards markets (Facebook in U.S. Germany, Vkontakte Russia). The seem to be temporary monopolies. Yet, no...

10.5281/zenodo.17957 article EN 2015-05-26

Purpose This investigation aims to examine the differences and similarities between activity tracking technology users from two regions (the USA Germany) in their intended privacy-related behavior. The focus lies on data handling after hypothetical discontinuance of use, protection privacy policy seeking, concerns. Design/methodology/approach was collected through an online survey 2019. In order identify significant participants Germany USA, chi-squared test Mann–Whitney U were applied....

10.1108/ajim-03-2020-0067 article EN Aslib Journal of Information Management 2020-12-10

The aim of our study is to shed light on determinants that convince the crowd fund a project crowdfunding platform. In particular, we examine whether self-promotion through positive language as well emphasising innovativeness and supplication impression management tactics drive success. Based sample 221 Kickstarter campaigns total 195,217 words embedded in their descriptions, develop test hypotheses concerning linguistic behaviours affecting likelihood fundraising, number backers amount...

10.1504/ijev.2018.094607 article EN International Journal of Entrepreneurial Venturing 2018-01-01

Abstract Based on the concept of Informational Cities, which are highly developed prototypical cities 21 st century, we conducted a regional comparison four Japanese in terms their “cityness” and “informativeness”. The purpose our articles is to specify theoretical framework for measuring informativeness cityness level any desired city, quantify chosen indicators order compare investigated cities, finally, conclude what advancement modern city knowledge society. Our methodology based new...

10.2478/cks-2014-0002 article EN Creative and Knowledge Society 2014-07-01

Since crowdfunding emerged as a new funding channel for entrepreneurial projects, researchers focused on investigating factors that actually lead to campaign's success. Such tools promotion of campaign are, example, social media. Like platforms they are also Web 2.0 applications, which changed our cultural norms and business praxes by creating the world where country borders became invisible communication immediate. But how does activity media affect crowdfunder's decision pledge money...

10.1504/ijesb.2018.090332 article EN International Journal of Entrepreneurship and Small Business 2018-01-01

This article presents the concept of Informational City – city 21st century with its highly developed digital, knowledge or creative infrastructures as well other important aspects contributing to informativeness. The authors have selected four Japanese cities best candidates for (emerging) Cities and investigated data referring them in order determine if they indeed can be labelled Cities. compared Tokyo, Yokohama, Osaka Kyoto, made a ranking regard their level

10.4018/ijksr.2014010106 article EN International Journal of Knowledge Society Research 2014-01-01
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