Mostrando recursos 1 - 20 de 41

  1. Customer ratings as a vector for discrimination in employment relations? Pathways and pitfalls for legal remedies

    Kullmann-Klocke, Miriam; Ducato, Rossana; Rocca, Marco
    The use of customer ratings to evaluate worker performance is increasingly worrisome because of its widespread use in the gig-economy. As scholars in computer and social sciences denounce, this practice entails the risk of producing discriminatory outcomes, by reproducing biases existing in society. By drawing an analogy with discriminatory practices adopted by an employer to satisfy its customers' preferences, we propose a legal analysis of this phenomenon grounded in EU non-discrimination law. Thus, we first analyse the issues related to the application of non-discrimination law to (alleged) self-employed workers. Then, we address the lack of access for the individual worker...

  2. Extending the Organizational Learning Process in Order to Enable Innovative Ideas

    Kaiser, Alexander; Kragulj, Florian; Grisold, Thomas; Walser, Roman
    Innovation processes require organizations to transcend current boundaries. These include not only technological as well as social limitations but -above all- the way we address the future. We are used to face the future with our existing knowledge and experiences from the past. This strategy, however, can hardly lead to knowledge off the beaten path. We therefore suggest a new learning approach for organizations which enables to literally envision a desired future scenario and thus, allows for the creation of radical new knowledge. In this paper we focus on organizational learning towards the future and compare its output with traditional learning...

  3. Evaluation of E-Participation Efficiency with Biodiversity Measures - the Case of the Digital Agenda Vienna

    May, John; Leo, Hannes; Taudes, Alfred
    We introduce the Effective Number of Issues measure for e-participation efficiency. This novel index is based on the Shannon entropy measure of biodiversity and summarizes the amount of information gained through an e-participation project in one number. This makes the comparison between different e-participation projects straightforward and lays the foundation for the rigorous analysis of success factors of e-participation projects in a data-driven way. After providing the formula and rationale for the new measure we use the ENI index to benchmark the idea generation process for the digital agenda Vienna against other projects. It turns out that the efficiency of...

  4. COPS Cluster Optimized Proximity Scaling

    Rusch, Thomas; Mair, Patrick; Hornik, Kurt

  5. Scaling for Clusters with COPS Cluster Optimized Proximity Scaling

    Rusch, Thomas; Mair, Patrick; Hornik, Kurt

  6. Oblivion on the Web: an Inquiry of User Needs and Technologies

    Novotny, Alexander; Spiekermann, Sarah
    Unlimited retention of personal information on the web may harm individuals: employers can find youthful indiscretions on social media, and incorrectly low credit scores may haunt individuals for a lifetime. Currently, Europe revives the "right to erasure" as a first step towards a forgetting web. Early technologies implementing oblivion suffer from vulnerabilities and narrowly assume that users require information to be erased after a pre-determined time. But little is known about users' actual oblivion needs. A first study shows that users desire control over disclosed personal information to reduce pre-disclosure privacy concerns, and to delete harmful information after disclosure. In...

  7. Supporting Social Entrepreneurs - The effects of organizational maturity and business model on perceived support needs

    Vandor, Peter; Millner, Reinhard; Hansen, Hinnerk
    Social Entrepreneurs tend to be characterized as "unusually resourceful in being relatively undaunted by scarce assets in pursuing their social venture" (Peredo/McLean 2006: 64) or "acting boldly without being limited by resources currently in hand" (Dees 2001: 4). Still, social entrepreneurs do not operate in a vacuum. They depend on various forms of support and resources to establish and grow their ventures and impact. Hence, the question of how to support social entrepreneurs and their initiatives becomes of increasing relevance (Lyon/Sepulveda 2009). In spite of the growing call for measures to enable social entrepreneurship on a broad scale (e.g. by the...

  8. Modeling Mortality in the Afghanistan War Logs: Combining topic-models and negative binomial recursive partitioning

    Hofmarcher, Paul; Rusch, Thomas; Hornik, Kurt; Hatzinger, Reinhold

  9. Modeling Mortality in the Afghanistan War Logs: Combining topic-models and negative binomial recursive partitioning

    Hofmarcher, Paul; Rusch, Thomas; Hornik, Kurt; Hatzinger, Reinhold

  10. Measuring Change And Different Response Format Effects In Large Scale Educational Testing With LLRA

    Rusch, Thomas; Dobrovits, Ingrid; Gatterer, Birgit; Hatzinger, Reinhold

  11. Chain Graph Models in R: Implementing the Cox-Wermuth Procedure

    Rusch, Thomas; Wurzer, Marcus; Hatzinger, Reinhold

  12. Forecasting Election Results from Opinion Polls under Nonignorable Missing - Models and Simulations

    Weber, Daniela; Rusch, Thomas

  13. Rasch Models and the R package eRm

    Rusch, Thomas; Hatzinger, Reinhold

  14. Peeking Into The Black Box Gaining Insight With Recursive Partitioning of GLMs

    Rusch, Thomas; Zeileis, Achim

  15. Goodness-of-fit-tests for highdimensional contingency tables and pattern models based on limited information

    Rusch, Thomas; Weber, Daniela; Hatzinger, Reinhold

  16. Goodness-of-fit-tests for highdimensional contingency tables and pattern models based on limited information

    Rusch, Thomas; Weber, Daniela; Hatzinger, Reinhold

  17. Targeting Voters with Logistic Regression Trees. DAGM GfKl 2011, Frankfurt am Main, Deutschland, 30.08.-02.09.

    Rusch, Thomas; Hornik, Kurt; Janko, Wolfgang; Lee, Ilro; Zeileis, Achim

  18. Targeting Voters with Logistic Regression Trees. DAGM GfKl 2011, Frankfurt am Main, Deutschland, 30.08.-02.09.

    Rusch, Thomas; Hornik, Kurt; Janko, Wolfgang; Lee, Ilro; Zeileis, Achim

  19. Explaining MCDM acceptance: a conceptual model of influencing factors

    Maida, Martina; Maier, Konradin; Obwegeser, Nikolaus; Stix, Volker
    The number of newly developed Multi-Criteria Decision Making (MCDM) methods grew considerably in the last decades. Although their theoretical foundations are solid, there is still a lack of acceptance and application in the practical field. The objective of this research is the development of a conceptual model of factors that influence MCDM acceptance that serves as a starting point for further research. For this purpose, a broad diversified literature survey was conducted in the discipline of technology adoption and related topics (like human computer interaction) with special focus on MCDM acceptance. The constructs collected within the literature survey were classified...

  20. Psychology of Ownership and Asset Defense: Why People Value their Personal Information Beyond Privacy

    Spiekermann, Sarah; Korunovska, Jana; Bauer, Christine
    Analysts, investors and entrepreneurs have for long recognized the value of comprehensive user profiles. While there is a market for trading such personal information among companies, the users, who are actually the providers of such information, are not asked to the negotiations table. To date, there is little information on how users value their personal information. In an online survey-based experiment 1059 Facebook users revealed how much they would be willing to pay for keeping their personal information. Our study reveals that as soon as people learn that some third party is interested in their personal information (asset consciousness prime),...

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