Publications at Bielefeld University

    Eigennamenanomie nach rechtshemisphärischem Insult: Ein Fallbeispiel

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    Geukes C, Müller H. Eigennamenanomie nach rechtshemisphärischem Insult: Ein Fallbeispiel. Klinische Neurophysiologie. 2013;44(1):93

    Perspektiven der Buchwissenschaft. Ansatzpunkte einer buchhistorisch informierten Literaturwissenschaft

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    Spoerhase C. Perspektiven der Buchwissenschaft. Ansatzpunkte einer buchhistorisch informierten Literaturwissenschaft. Zeitschrift für Germanistik. 2011;1:145-152

    Legal brokers and the search for justice across borders: Seeking compensation for wrongfully imprisoned Indonesian underage people smugglers

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    Missbach A, Palmer W. Legal brokers and the search for justice across borders: Seeking compensation for wrongfully imprisoned Indonesian underage people smugglers. Indonesia. Accepted

    Modelling the effects of speech rate variation for automatic speech recognition

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    Wrede B. Modelling the effects of speech rate variation for automatic speech recognition. Bielefeld (Germany): Bielefeld University; 2002.In automatic speech recognition it is a widely observed phenomenon that variations in speech rate cause severe degradations of the speech recognition performance. This is due to the fact that standard stochastic based speech recognition systems specialise on average speech rate. Although many approaches to modelling speech rate variation have been made, an integrated approach in a substantial system still has be to developed. General approaches to rate modelling are based on rate dependent models which are trained with rate specific subsets of the training data. During decoding a signal based rate estimation is performed according to which the set of rate dependent models is selected. While such approaches are able to reduce the word error rate significantly, they suffer from shortcomings such as the reduction of training data and the expensive training and decoding procedure. However, phonetic investigations show that there is a systematic relationship between speech rate and the acoustic characteristics of speech. In fast speech a tendency of reduction can be observed which can be described in more detail as a centralisation effect and an increase in coarticulation. Centralisation means that the formant frequencies of vowels tend to shift towards the vowel space center while increased coarticulation denotes the tendency of the spectral features of a vowel to shift towards those of its phonemic neighbour. The goal of this work is to investigate the possibility to incorporate the knowledge of the systematic nature of the influence of speech rate variation on the acoustic features in speech rate modelling. In an acoustic-phonetic analysis of a large corpus of spontaneous speech it was shown that an increased degree of the two effects of centralisation and coarticulation can be found in fast speech. Several measures for these effects were developed and used in speech recognition experiments with rate dependent models. A thorough investigation of rate dependent models showed that with duration and coarticulation based measures significant increases of the performance could be achieved. It was shown that by the use of different measures the models were adapted either to centralisation or coarticulation. Further experiments showed that by a more detailed modelling with more rate classes a further improvement can be achieved. It was also observed that a general basis for the models is needed before rate adaptation can be performed. In a comparison to other sources of acoustic variation it was shown that the effects of speech rate are as severe as those of speaker variation and environmental noise. All these results show that for a more substantial system that models rate variations accurately it is necessary to focus on both, durational and spectral effects. The systematic nature of the effects indicates that a continuous modelling is possible

    Multiculturalism and Beyond. The New Dynamics of Identity Politics in the Americas

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    Kaltmeier O, Thies S, Raab J. Multiculturalism and Beyond. The New Dynamics of Identity Politics in the Americas. Latin American and Caribbean Ethnic Studies. 2012:103-114

    Post-koloniale Geschichte(n): Repräsentationen, Temporalitäten und Geopolitiken des Wissens

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    Kaltmeier O. Post-koloniale Geschichte(n): Repräsentationen, Temporalitäten und Geopolitiken des Wissens. In: Reuter J, Karentzos A, eds. Schlüsselwerke der Postcolonial Studies. Wiesbaden: VS-Verlag; 2012: 203-214

    Organizing Institutional Environment. A sociological inquiry into university responses to global dynamics

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    Brankovic J. Organizing Institutional Environment. A sociological inquiry into university responses to global dynamics. Ghent; 2018.Universities are often thought of as unique among institutions and organizations. Certainly, their role in the global institutionalization of education, science, professions and the ever-expanding list of individual rights and freedoms has been pivotal. These developments have, in turn, transformed the environment in which universities operate into one which is ever more challenging to navigate. University leaders and academics nowadays frequently report increasing pressures to follow international standards, to be accountable to various stakeholders and to compete for funds or status, effectively reifying the image of the university as a “victim” of the said broader social changes. This dissertation challenges this imaginary and suggests that, if we look into the ways universities interact with other organizations, and especially into how this interaction has changed over the past century and how it materializes in local contexts, a somewhat different picture emerges. By focusing on competition, cooperation and contestation, the dissertation argues that it is through interaction that universities enact and shape their organizational identities and in doing so act as co-constructors of their institutional environment. Forms of inter-organizational interaction and changes thereof are, thus, important to consider when looking at institutional emergence, reproduction and disruption

    Uljana Wolfs materielle Poetik der Übertragung

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    Spoerhase C. Refabrikationen Rilkes:. Deutsche Vierteljahrsschrift für Literaturwissenschaft und Geistesgeschichte. 2017;91(4):455-477

    EU, Prevention of Violent Extremism (PVE) and civil society: some considerations on the IcSP in Kyrgyzstan

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    Pierobon C. EU, Prevention of Violent Extremism (PVE) and civil society: some considerations on the IcSP in Kyrgyzstan. Brussels: European Neighbourhood Council (ENC); 2021.- Five main forms of engagement in PVE characterise civil society organizations (CSOs) receiving EU funding under the "Instrument contributing to Stability and Peace" (IcSP) and its programme "Strengthening Resilience to Violent Extremism" (STRIVE) in Kyrgyzstan. These forms include: (1) Development and delivery of training programmes for awareness-raising and capacity building; (2) Establishment of mechanisms for dialogue, consultation and advocacy at the local, national and international levels; (3) Research and research capacity-building; (4) Production of counternarratives and alternative narratives; (5) Sub-granting of smaller-scale and/or community-level projects. - Overall, three types of activities are conducted by internationally funded CSOs in the PVE field: PVE-specific, PVE-related and PVE-relevant. PVE-specific activities include efforts directly targeting individuals involved in deradicalization, rehabilitation and reintegration processes. PVE-related activities are aimed at strengthening the resilience of individuals and communities through their socioeconomic empowerment. PVE-relevant activities are focused on systemic reform. - A prevalence of PVE-related and PVE-relevant activities emerge from the projects carried out under the IcSP and STRIVE in Kyrgyzstan with EU-funded CSOs prioritising development over security in the implementation of their initiatives on the ground. - Forms of ownership on behalf of EU-funded CSOs under IcSP and STRIVE are accompanied by processes of reappropriation that are reinforced by the ambiguity typical of the international PVE agenda and might contribute to the perpetuation of inappropriate development interventions. - PVE-specific engagement should be expanded through projects aimed at deradicalization, rehabilitation and reintegration with an emphasis on individualized gender-and age-specific social and psychological support, especially in the case of child returnees. PVE-related and PVE-relevant activities should be focused less on violent extremism (VE) and more on development priorities identified by local communities, by engaging them in articulating their visions of a "good life". - A new pilot capacity-building programme addressed to young people as agents of peace could be launched. In particular, financial assistance could be provided to implement youth-led community initiatives tackling root causes of conflict related to climate, water and environmental security

    Accommodating the Poor – Poverty and Housing in Britain in the 1930s

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    Grünkemeier E. Accommodating the Poor – Poverty and Housing in Britain in the 1930s. Journal for the Study of British Cultures. 2014;21(1):59-73
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