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Institute
- Lehrstuhl für Volkswirtschaftslehre, insbesondere Wirtschafts- und Verkehrspolitik (Univ.-Prof. Dr. Dr. h.c. Andreas Knorr) (34)
- Lehrstuhl für Hochschul- und Wissenschaftsmanagement (Univ.-Prof. Dr. Michael Hölscher) (5)
- Seniorprofessur für Verwaltungswissenschaft, Politik und Recht im Bereich von Umwelt und Energie (Univ.-Prof. Dr. Eberhard Bohne) (5)
- Lehrstuhl für Öffentliches Recht, insbesondere deutsches und europäisches Verwaltungsrecht (Univ.-Prof. Dr. Ulrich Stelkens) (3)
- Lehrstuhl für Öffentliche Betriebswirtschaftslehre (Univ.-Prof. Dr. Holger Mühlenkamp) (2)
- Lehrstuhl für Öffentliches Recht, Staatslehre und Rechtsvergleichung (Univ.-Prof. Dr. Dr. h.c. Karl-Peter Sommermann) (2)
- Lehrstuhl für Öffentliches Recht, insbesondere Europarecht und Völkerrecht (Univ.-Prof. Dr. Wolfgang Weiß) (2)
Vortrag auf einer Konferenz des American Institute for Contemporary German Studies am 24.6.1996 in Washington, D.C.
Student Space Control
(2018)
The role of the city changed within the knowledge economy. Knowledge has become the most important resource of urban prosperity and universities are considered the hope of city development (Van Winden 2009). Previous research has elaborated various dimensions in which universities interact with their home cities (or regions). They refer to economic impacts (e.g. Behr 2004; Florida 2006; Van Winden 2007; Gabe 2012), differ between forms of the spatial and structural integration of the university into the area (e.g. Larkham 2000; Kunzmann 2004; Gerhard 2012) or focus on social impacts of universities in the urban environment (e.g. Chatterton 1999; Sage et al. 2011; Smith 2004; Smith/Hubbard 2014; Gerhard, Hoelscher & Wilson 2017). All of these rely on a specific concept of space. However, they are lacking the neutral consideration of a fundamental factor of city development in university towns: students as urban agents (Russo/Tatjer 2007). Students constitute a considerable part of the population in university cities. As such, they need to play a key role in the analysis of the urban space. Drawing on a systematic literature review (Machi & McEvoy 2016), it is shown within this presentation that whenever students are subject to urban studies, either their role is conceptualized with a negative connotation (‘Studentification’: most important Smith 2004, 2008) or mainly depicted as leading to urban devaluation. As a counter draft to the prevailing approaches, the concept of ‘Student Urbanity’ (Steinmueller 2015) is introduced as an unbiased approach to the analysis of students as a source of urban processes of change. Using official (urban) statistics as well as observations and maps, the presentation highlights the results of a comparative case study, which exploratively tested this model in the cities of Heidelberg (Germany) and Montpellier (France) (Steinmüller 2015). Starting with the identification of distribution patterns of students’ residences, urban areas with a significantly high share of them are analysed with regard to the following research questions: - Which (social-)structural and spatial characteristics can be observed in these areas? - How do the students shape the urban space and infrastructure within the detected areas? - Which tendencies of revaluation respectively devaluation emerge from this influence? The presentation makes an empirical case for ‘Student Urbanity’ showing the relations between urban space and university with regard to students as agents of the development. It concludes with the discussion of this new student role as potential sources of reurbanisation as well as urban inequalities.
The article discusses how COVID-19 could reinforce corruption, cronyism and mistrust in the politico-administrative system of the Middle East and North Africa (MENA)
With Home Automation Systems steadily gaining popularity and affordability, the threat of attacks on these installations is increasing.
Previous research has shown that passive adversaries can obtain considerable amounts of information about the users' habits and about how they interact with their system. Although encryption and other measures to ensure condentiality in communication are becoming a standard, traffic analysis remains an unsolved problem. In this paper, we take a look at different research areas and show that existing solutions cannot be easily applied to this scenario. However, we establish a model for traffic analysis in Home Automation Systems which leverages existing research on Private Information Retrieval. Using this model, both attacks and countermeasures can be analysed and their effectiveness can be measured to yield comparable results. We also take a look at legal aspects, highlighting problem areas and recent developments in the interaction between technology such as Home Automation and legislature.
We present sec-cs, a hash-table-like data structure for contents on untrusted storage that is provably secure and storage-efficient. We achieve authenticity and confidentiality with zero storage overhead using deterministic authenticated encryption. State-of-the-art data deduplication approaches prevent redundant storage of shared parts of different contents irrespective of whether relationships between contents are known a priori.
Instead of just adapting existing approaches, we introduce novel (multi-level) chunking strategies, ML-SC and ML-CDC, which are significantly more storage-efficient than existing approaches in presence of high redundancy.
We prove sec-cs's security, publish an implementation, and present evaluation results indicating suitability for, e.g., future backup systems that should preserve many versions of files on little available storage.
The importance of frequent backups is uncontroversial. Their creation is simpler than ever today thanks to widespread availability of cheap cloud storage. Common backup solutions, however, tend to be either insecure, inflexible or inefficient in typical backup scenarios.
In this paper, we present triviback, a lightweight and almost trivial, yet powerful solution for outsourcing backups to untrusted cloud storage. Based on recent research results on secure data deduplication, triviback combines strong confidentiality, authenticity and availability guarantees with flexibility and efficiency in terms of low storage and communication costs: Triviback supports efficient preservation of many backup states with storage costs comparable to state-of-the-art version control systems-while supporting full storage reclamation on deletion of arbitrary backup states.
We discuss its security, publish an implementation and perform an extensive evaluation of storage and communication costs.
Research question For the past decades, significant changes have been observed in Higher Education policy across Europe affecting the role and organizational culture of Higher Education Institutions (HEIs). This resulted in a change of relationships and responsibilities among academics and university managers. The purpose of the research is to study organizational transformation of universities, examine similarities and differences of organizational „archetypes“ of universities, describe and compare internal quality assessment at universities and determine its impact on organizational development. The research will also explore how current university governance models ensure university autonomy and academic freedom and put forward the interests of key stakeholders. The main research question is: What is the impact of internal quality assessment on organizational transformation of university? The study will provide a comparative analysis of cases studies at German and Georgian universities. Theoretical framework The research will look at the theoretical framework of constructing university as an organization and its implementation in practice describing the shift from state-centered governance to self-governance, autonomy and academic freedom. As part of the theoretical framework three main aspects regarding construction of organizations: identity, hierarchy and rationality will be taken into account. (Brunsson and Sahlin-Anderson, 2000, De Boer, Enders and Leisyte, 2007). While analyzing transformation in universities as in organizations, it is important to consider the concept of an ‘organizational saga,’ which is interpreted as „a collective understanding of unique accomplishment in a formally established group” (Clark, 1972, p. 178). The study will also take into account Clark’s triangle of coordination initiated in 1983 describing three modes of coordinating „or controlling behavior in academic institutions: state regulation; professional self-regulation, which Clark termed ‚the academic oligarchy;’ and market forces.” (Dill, 2007). The research will rely on EUA’s definition of “quality culture” as “referring to an organisational culture characterised by a cultural/psychological element on the one hand, and a structural/managerial element on the other.” (Loukkola & Zhang, 2010, p. 9). The literature offers wide interpretation of quality assurance, the project will mainly consider Standards and Guidelines for Quality Assurance in the European Higher Education Area (ESG) that define standards and procedures for external and internal quality assurance. The study will also look to what extent quality culture as part of the organizational culture shares elements and values such as leadership, communication, participation and commitment. It will consider the extensive place of the role of communication in organizational transformation and in establishing effective organizational culture. Methods The study will offer a comparative analysis of university transformation in Germany and Georgia drawing on literature analysis on the topic, interviews with key actors in four selected case study higher education institutions as well as document analysis. Literature Review, theoretical framework and a first pilot case study results will be presented for the conference. Results In the study I will argue that there is a close interdependence between organizational transformation and quality assessment/quality culture. Internal quality assurance has a significant impact on development of conceptual framework and key aspects of a university as an organization.