Joschka Hüllmann

Joschka Hüllmann
University of Twente | UT

About

23
Publications
3,254
Reads
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76
Citations

Publications

Publications (23)
Conference Paper
Full-text available
People increasingly use personalizing news aggregators for acquiring news online. Despite benefits such as more relevance, filter bubbles, among other risks, have been elicited. So far, there is little empirical evidence on how personalization affects the news diversity of news aggregators. Furthermore, it remains unclear how the news diversity of...
Conference Paper
Full-text available
In recent years, the use of communication and collaboration media tools has increased manifold due to a rise in spatially distributed work. Which media tools individuals choose for their communication activities has been a research question of lasting interest. Established research focused on traditional media, for example, face-to-face, phone, or...
Conference Paper
Full-text available
People analytics depicts the algorithmization of human resources management characterized by the data-driven automation and support of people-related processes or tasks. On the one hand, people analytics promises productivity increases through optimizing workforce planning, hiring, or talent development. On the other hand, the extensive data collec...
Conference Paper
Full-text available
Research on Bitcoin blockchain suggests that the inner-working of Bitcoin is not decentralized. Building on such findings from previous research, this paper identifies 'Bitcoin influencers' who are central to the operation of Bitcoin. These influencers are identified by performing social network analysis on the mailing list conversation during the...
Chapter
Full-text available
Despite people analytics being a hype topic and attracting attention from both academia and practice, we find only few academic studies on the topic, with practitioners driving discussions and the development of the field. To better understand people analytics and the role of information technology, we perform a thorough evaluation of the available...
Chapter
In March 2020, many organizations requested their employees to work from home to reduce their employees’ risk of a COVID-19 infection. Research has suggested that working from home increases perceived stress due to blurring boundaries between work and private life. We examine whether this finding also holds for “enforced working from home” (EWFH) d...
Conference Paper
Full-text available
Data management platforms (DMPs) are a widely used means of placing targeted advertising, for example, commercial or political advertisements. However, only a few academic papers shed light on the platforms' mechanisms. These mechanisms' opacity makes it hard for consumers to understand what happens with their data, and regulators struggle to imple...
Conference Paper
Full-text available
Work is increasingly conducted in a distributed manner, enabled by a heterogeneous and growing set of digital communication and collaboration tools, which we call a media collection. This array of new digital collaboration tools with a trend towards multi-purpose integrated systems raises existing research on media collection choice into question....
Conference Paper
Full-text available
Despite people analytics being a hype topic and attracting attention from both academia and practice, we find only few academic studies on the topic, with practitioners driving discussions and the development of the field. To better understand people analytics and the role of information technology, we perform a thorough evaluation of the available...
Conference Paper
Full-text available
In March 2020, many organizations requested their employees to work from home to reduce their employees' risk of a COVID-19 infection. Research has suggested that working from home increases perceived stress due to blurring boundaries between work and private life. We examine whether this finding also holds for "enforced working from home" (EWFH) d...
Thesis
Full-text available
Headlines about excessive data collection and algorithms that make decisions about people’s lives are common. Insurance companies want access to health data1, elections are influenced by targeted advertisements (Persily 2017), and algorithms decide who receives medical attention in COVID-19 triage2. Data, tracking, and algorithms are everywhere. Al...
Conference Paper
Full-text available
People and workplace analytics is a hype topic. It depicts information systems and processes for data-driven decision-making that concern people-related organizational outcomes. The topic is driven by practitioners with only scarce academic backing. We outline three challenges for the field of people and workplace analytics: first, ambiguity in def...
Conference Paper
Full-text available
In the past, work was governed by the natural rhythms of the physical world, but organizations increasingly distribute their work along the temporal dimension. This leads to varying temporal rhythms, which depict recurring patterns of activity in time, among workers, enabled by communication and collaboration technologies. The routine use of techno...
Article
Churn describes customer defection from a service provider.This can be observed in online freemium games, where users can leave without further notice. Game companies are looking for methods to detect and predict churn to enable management reaction. The recorded data of games can be analyzed for this purpose. We conducted a case study based on data...
Conference Paper
Full-text available
Developers of pricing strategies in e-commerce businesses see a wide range of opportunities for deploying online price discrimination techniques given their ability to track consumers’ online identity and behavior. In theory, an in-creasing use of personal data enables organizations to show every single con-sumer their own personalized price, which...
Conference Paper
Full-text available
The success of teams in enterprise social networks (ESN) is of high importance in today's project-based and digitised work environments. In this context, onboarding of new hires or allocated team members means the adoption of group characteristics and behaviours. Studies identified cohesion and trust as part of the socialisation process and found c...
Article
Full-text available
Im Datenkapitalismus sind neue Kommunikationsunternehmen entstanden, deren Angebot als „umsonst“ erscheint. Ihr Geschäftsmodell basiert darauf, dass die Nutzer (Kunden) ihre Daten preisgeben und dafür entweder ein nachgefragtes Gut (Kommunikation, Medien, Waren und Dienstleistungen) ohne oder für geringere monetäre Zahlungen erhalten. Wie die Unter...

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Projects

Project (1)
Project
Academic publishing has been profoundly affected by a plethora of innovations that have shaped the way scientific knowledge is produced, evaluated and disseminated. Services such as SSRN, Google Scholar, ResearchGate, Academia.edu, Mendeley and the Open Access journals are only the visible tips of the iceberg of new players and indeed new services and modes of publishing. We are observing the transformation of the academic publishing industry (STM) from publishing services to data analytics by reconstructing and illustrating the mechanisms of data capitalism, such as multi-sided platforms, cross-side network externalities and economizing on academic reputation mechanisms, which exolain the growing profitability and concentration of the STM industry despite the open science movement and highlights the need for an open discussion about the consequences for all involved in the process of scholarly communication.