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See detailUnchaining Social Businesses : Blockchain as the Basic Technology of a Crowdlending Platform
Schweizer, André; Schlatt, Vincent; Urbach, Nils et al

in 38th International Conference on Information Systems (ICIS) (2017)

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See detailThe Sustainability Imperative in Information Systems Research
Seidel, Stefan; Bharati, Pratyush; Fridgen, Gilbert UL et al

in Communications of the Association for Information Systems (2017), 40(3), 40--52

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See detailFlexible IT-platform to Synchronize Energy Demands with Volatile Markets
Bauer, Dennis; Abele, Eberhard; Ahrens, Raphael et al

in 50th CIRP Conference on Manufacturing Systems (2017)

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See detailShifting Load through Space : the Economics of Spatial Demand Side Management Using Distributed Data Centers
Fridgen, Gilbert UL; Keller, Robert; Thimmel, Markus et al

in Energy Policy (2017)

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See detailDevelopment of Disruptive Innovations with Blockchain: The Way to the Right Use Case
Fridgen, Gilbert UL; Radszuwill, Sven; Schweizer, Andr E et al

in Wirtschaftsinformatik & Management (2017)

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See detailANDREW HERSCHER Displacements Architecture and Refugee
Miessen, Markus UL; HIRSCH, Nikolaus

Book published by Sternberg Press (2017)

In architectural history, just as in global politics, refugees have tended to exist as mere human surplus; histories of architecture, then, have usually reproduced the nation-state’s exclusion of refugees ... [more ▼]

In architectural history, just as in global politics, refugees have tended to exist as mere human surplus; histories of architecture, then, have usually reproduced the nation-state’s exclusion of refugees as people out of place. Andrew Herscher’s Displacements: Architecture and Refugee, the ninth book in the Critical Spatial Practice series, examines some of the usually disavowed but arguably decisive intersections of mass-population displacement and architecture—an art and technology of population placement—through the twentieth century and into the present. Posing the refugee as the preeminent collective political subject of our time, Displacements attempts to open up an architectural history of the refugee that could refract on the history of architecture and the history of the refugee alike. Andrew Herscher is an Associate Professor at the University of Michigan with appointments in the Taubman College of Architecture and Urban Planning, Department of Slavic Languages and Literatures, and Department of Art History. His publications include Violence Taking Place: The Architecture of the Kosovo Conflict (Stanford University Press, 2010), The Unreal Estate Guide to Detroit (University of Michigan Press, 2012), and, coedited with Anooradha Iyer Siddiqi, Spatial Violence (Routledge, 2016). [less ▲]

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See detailModern Directional Statistics
Ley, Christophe UL; Verdebout, Thomas

Book published by Chapman and Hall/CRC (2017)

Modern Directional Statistics collects important advances in methodology and theory for directional statistics over the last two decades. It provides a detailed overview and analysis of recent results ... [more ▼]

Modern Directional Statistics collects important advances in methodology and theory for directional statistics over the last two decades. It provides a detailed overview and analysis of recent results that can help both researchers and practitioners. Knowledge of multivariate statistics eases the reading but is not mandatory. The field of directional statistics has received a lot of attention over the past two decades, due to new demands from domains such as life sciences or machine learning, to the availability of massive data sets requiring adapted statistical techniques, and to technological advances. This book covers important progresses in distribution theory, high-dimensional statistics, kernel density estimation, efficient inference on directional supports, and computational and graphical methods. [less ▲]

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See detailDes « guerres de religion », hier… et aujourd’hui ?
Weis, Monique UL

Speeches/Talks (2016)

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See detailL’artiste, l’écrit et le monument Signatures épigraphiques en France au Moyen Âge central
Mineo, Emilie UL

Doctoral thesis (2016)

La thèse de doctorat a été consacrée à l’étude d’un ensemble d'inscriptions françaises des XIe et XIIe siècles par lesquelles un individu s’attribue la réalisation d’un ouvrage artistique ou monumental ... [more ▼]

La thèse de doctorat a été consacrée à l’étude d’un ensemble d'inscriptions françaises des XIe et XIIe siècles par lesquelles un individu s’attribue la réalisation d’un ouvrage artistique ou monumental. En renouvelant l’approche traditionnelle de ces « signatures », liée plutôt à une démarche attributive, et en envisageant ces documents épigraphiques dans leur double dimension de texte et d’objet, en ont été sondés les mécanismes de production et les fonctions. L’étude est introduite par un bilan historiographique et une réflexion théorique sur la signature épigraphique, qui y est redéfinie comme « une inscription dont la fonction est d’assigner à un ou plusieurs individus, au moyen d’un énoncé verbal, la responsabilité d’une oeuvre à laquelle l’inscription est matériellement et/ou visuellement rattachée » (sont donc exclus de l’inventaire les anthroponymes isolés et les marques lapidaires ou glyptographes). La première partie de la thèse aborde le problème de la valeur auctoriale de ces inscriptions. Les textes des signatures épigraphiques recensées livrent en effet des informations extrêmement laconiques sur l’identité du signataire et sur son rôle dans la fabrication de l’oeuvre. Il est donc délicat d’attribuer systématiquement ces attestations à l’artiste, d’autant plus qu’une telle catégorie de pensée apparaît comme étrangère à la mentalité du Moyen Âge central. En outre, le problème de la connaissance de l'écrit de la part des artistes avait jusqu’à présent été négligé, alors qu’il est clairement en lien avec la réalisation des signatures épigraphiques en tant que produits écrits. La seconde partie de la thèse s’attache donc à évaluer la capacité à écrire de ceux qui ont exécuté ces inscriptions et à sonder les contextes au sein desquels il leur était possible d’acquérir les compétences culturelles et techniques nécessaires. L’analyse technique et linguistique de cette documentation a permis de démontrer des situations d’alphabétisation variées, mais attestant toujours un rapport actif à l’écrit de la part de l’artisan chargé de l’inscription, contrairement à ce que l’on pensait communément auparavant. Un troisième et dernier volet de la réflexion a porté sur les enjeux de l’inscription publique du nom d’un individu en association à une oeuvre monumentale. En étudiant la mise en scène visuelle des signatures, il est apparu que leurs caractéristiques matérielles et topographiques ne sont pas toujours en adéquation avec l’objectif de publicité universelle qu’on leur a souvent reconnu et qui ferait de ces inscriptions une tribune d’affichage de l’artiste et de son talent. Par cette analyse des conditions de réception et la mise en relation des signatures avec les pratiques liturgiques de nomination, est donc proposée, pour le contexte étudié (France, XIe-XIIe s.), une interprétation de ce geste singulier d’écriture dans une perspective avant tout ecclésiologique et eschatologique. Dans le volume d’annexes de la thèse, chacune des 51 inscriptions encore conservées et étudiées dans la synthèse est présentée sous la forme d’une notice analytique. Ce catalogue est suivi d’un tableau synthétisant les données relatives au métier et au statut social des artisans de la base ArtiChO (Artistes et artisans dans les chartes antérieures à 1121 conservées en France) conçue pour organiser et exploiter les 140 actes issus de la base TELMA (http://www.cn-telma.fr/originaux/index/) mentionnant, à titre divers, des artistes et artisans. [less ▲]

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See detailLe XVIe siècle au miroir du temps présent: défis et difficultés
Weis, Monique UL

Speeches/Talks (2016)

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See detailPressForward and Other Digital Tools for Collaborative and Large-Scale Historical Research
Takats, Sean UL

Presentation (2016, November 04)

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See detailAffective forecasting in an orangutan: predicting the hedonic outcome of novel juice mixes
Sauciuc, Gabriela-Alina; Persson, Tomas; Baath, Rasmus et al

in Animal Cognition (2016)

Affective forecasting is an ability that allows the prediction of the hedonic outcome of never-before experienced situations, by mentally recombining elements of prior experiences into possible scenarios ... [more ▼]

Affective forecasting is an ability that allows the prediction of the hedonic outcome of never-before experienced situations, by mentally recombining elements of prior experiences into possible scenarios, and pre-experiencing what these might feel like. It has been hypothesised that this ability is uniquely human. For example, given prior experience with the ingredients, but in the absence of direct experience with the mixture, only humans are said to be able to predict that lemonade tastes better with sugar than without it. Non-human animals, on the other hand, are claimed to be confined to predicting—exclusively and inflexibly—the outcome of previously experienced situations. Relying on gustatory stimuli, we devised a non-verbal method for assessing affective forecasting and tested comparatively one Sumatran orangutan and ten human participants. Administered as binary choices, the test required the participants to mentally construct novel juice blends from familiar ingredients and to make hedonic predictions concerning the ensuing mixes. The orangutan’s performance was within the range of that shown by the humans. Both species made consistent choices that reflected independently measured taste preferences for the stimuli. Statistical models fitted to the data confirmed the predictive accuracy of such a relationship. The orangutan, just like humans, thus seems to have been able to make hedonic predictions concerning never-before experienced events. [less ▲]

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See detailLattice models for granular-like velocity fields: finite-size effects
Plata, Carlos; Manacorda, Alessandro UL; Lasanta, Antonio et al

in Journal of Statistical Mechanics: Theory and Experiment (2016)

Long-range spatial correlations in the velocity and energy fields of a granular fluid are discussed in the framework of a 1d lattice model. The dynamics of the velocity field occurs through nearest ... [more ▼]

Long-range spatial correlations in the velocity and energy fields of a granular fluid are discussed in the framework of a 1d lattice model. The dynamics of the velocity field occurs through nearest-neighbour inelastic collisions that conserve momentum but dissipate energy. A set of equations for the fluctuating hydrodynamics of the velocity and energy mesoscopic fields give a first approximation for (i) the velocity structure factor and (ii) the finite-size correction to the Haff law, both in the homogeneous cooling regime. At a more refined level, we have derived the equations for the two-site velocity correlations and the total energy fluctuations. First, we seek a perturbative solution thereof, in powers of the inverse of system size. On the one hand, when scaled with the granular temperature, the velocity correlations tend to a stationary value in the long time limit. On the other hand, the scaled standard deviation of the total energy diverges, that is, the system shows multiscaling. Second, we find an exact solution for the velocity correlations in terms of the spectrum of eigenvalues of a certain matrix. The results of numerical simulations of the microscopic model confirm our theoretical results, including the above described multiscaling phenomenon. [less ▲]

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See detailMourir en martyr de la foi, hier et aujourd’hui
Weis, Monique UL

Speeches/Talks (2016)

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See detailLattice models for granular-like velocity fields: hydrodynamic description
Manacorda, Alessandro UL; Plata, Carlos A; Lasanta, Antonio et al

in Journal of Statistical Physics (2016)

A recently introduced model describing—on a 1d lattice—the velocity field of a granular fluid is discussed in detail. The dynamics of the velocity field occurs through next-neighbours inelastic collisions ... [more ▼]

A recently introduced model describing—on a 1d lattice—the velocity field of a granular fluid is discussed in detail. The dynamics of the velocity field occurs through next-neighbours inelastic collisions which conserve momentum but dissipate energy. The dynamics is described through the corresponding Master Equation for the time evolution of the probability distribution. In the continuum limit, equations for the average velocity and temperature fields with fluctuating currents are derived, which are analogous to hydrodynamic equations of granular fluids when restricted to the shear modes. Therefore, the homogeneous cooling state, with its linear instability, and other relevant regimes such as the uniform shear flow and the Couette flow states are described. The evolution in time and space of the single particle probability distribution, in all those regimes, is also discussed, showing that the local equilibrium is not valid in general. The noise for the momentum and energy currents, which are correlated, are white and Gaussian. The same is true for the noise of the energy sink, which is usually negligible [less ▲]

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See detailAltered video task in 15-month-olds: how to bridge the gap between Tulving’s definition and current methods?
Bobrowicz, Katarzyna UL; Haman, Maciej; Bobrowicz, Ryszard

in ICOM 6 program (2016, July)

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See detailAltered Video Task: A Promising Alternative for Elicited/deferred Imitation Task in Young Children
Bobrowicz, Katarzyna UL; Haman, Maciej; Bobrowicz, Ryszard

in Spink, Andrew; Riedel, Gernot; Zhou, Liting (Eds.) et al Proceedings of Measuring Behavior 2016 (2016, May)

The method presented in this paper is invented to address the problem of episodic memory in participants with highly restricted verbal abilities, 15-month-olds in this case. Here, we refer to episodic ... [more ▼]

The method presented in this paper is invented to address the problem of episodic memory in participants with highly restricted verbal abilities, 15-month-olds in this case. Here, we refer to episodic memory defined as a mind/brain system with three main responsibilities: to encode, to store and to recall individual memories. Episodic memory system requires three additional capacities, which make it uniquely human: a sense of self, a sense of subjective time, and autonoetic awareness [26]. Such approach is currently predominant both in developmental psychology and in cognitive zoology research. With a focus on developmental studies, we introduce a method, which aims to pair a measure of episodic memory and a measure of self-awareness. Episodic recall is measured via presentation of an original and a modified recording of a personal past event after a delay. The participant is expected to watch the unfamiliar video significantly longer than the familiar video, and so evince the differentiation between them. Alongside, the participant takes part in a mirror-mark task (a standard measure of self-recognition) and also in a real-time video task (a possible alternative for the mirror-mark task). Measuring of the recall is based on “what”-“who”-“where” aspects of the past event. Three modified videos are generated from the original one, and the modifications refer to: 1. a toy (“what”), 2. an experimenter (“who”) and 3. a setting (“where”). That is why this method also derives from cognitive zoology studies, where episodic memory is measured via behavioural signs of remembering “what”, “where” and “when” happened [9]. The “who” aspect is a common addition in case of highly social animals [23][24][25]. The most typical method of measuring episodic recall in human children, even as young as 6-month-olds [2, p. 175] is elicited/deferred imitation task. However, it does not involve measuring of any of the “uniquely human” capacities and can be only applied to these organisms, which can readily imitate human experimenter’s actions. Further, we also elaborate on the above-mentioned issues. We also discuss the results and possible improvements of the method implementation, for we actually tested it with a group of 15-month-olds. The results were statistically significant for the “who” and “what” aspects, but remained insignificant for the aspect of “where”. [less ▲]

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