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See detailWeighted Banzhaf power and interaction indexes through weighted approximations of games
Marichal, Jean-Luc; Mathonet, Pierre ULg

in European Journal of Operational Research (2011), 211

The Banzhaf power index was introduced in cooperative game theory to measure the real power of players in a game. The Banzhaf interaction index was then proposed to measure the interaction degree inside ... [more ▼]

The Banzhaf power index was introduced in cooperative game theory to measure the real power of players in a game. The Banzhaf interaction index was then proposed to measure the interaction degree inside coalitions of players. It was shown that the power and interaction indexes can be obtained as solutions of a standard least squares approximation problem for pseudo-Boolean functions. Considering certain weighted versions of this approximation problem, we define a class of weighted interaction indexes that generalize the Banzhaf interaction index. We show that these indexes define a subclass of the family of probabilistic interaction indexes and study their most important properties. Finally, we give an interpretation of the Banzhaf and Shapley interaction indexes as centers of mass of this subclass of interaction indexes. [less ▲]

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See detailWerner Herzog et Alexander Kluge: cinéastes documentaires
Hamers, Jérémy ULg

in Cahier Louis-Lumière (2011), 8

The documentaries of Werner Herzog and Alexander Kluge, especially in the space they leave for the spectator, demonstrate how much their approaches and conceptions of film are divergent and irreconcilable ... [more ▼]

The documentaries of Werner Herzog and Alexander Kluge, especially in the space they leave for the spectator, demonstrate how much their approaches and conceptions of film are divergent and irreconcilable. Nevertheless, the art of both these authors have something in common that has rarely been examined by analysts who have dedicated their work to both filmmakers. More than radical subjectivity (Herzog) or the aim of a visual reorganization of the subjective perception of the spectator (Kluge), a complex figure, and its perception by the spectator, are at the roots of their documentary practice. We call this figure the cinéaste. [less ▲]

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See detailLe centre, les planètes et la noirceur : Controverses cosmiques et terrestres
Nazé, Yaël ULg

Article for general public (2011)

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See detailField trip 1: Givetian and Frasnian of Southern Belgium
Boulvain, Frédéric ULg; Coen-Aubert, Marie; Da Silva, Anne-Christine ULg et al

in Kölner Forum für Geologie und Paläontologie (2011), 20

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See detailExposition
Desvallées, André; Schärer, Martin; Drouguet, Noémie ULg

in Mairesse, François; Desvallées, André (Eds.) Dictionnaire encyclopédique de muséologie (2011)

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See detailConvergence of Logic of Cellular Regulation in Different Premalignant Cells by an Information Theoretic Approach
Kravchenko-Balasha, N.; Remacle, Françoise ULg; Gross, A. et al

in BMC Systems Biology (2011), 5

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See detailThe Producerist Narrative in Right-wing Flanders
Jamin, Jérôme ULg

Conference (2011)

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See detailConstraining statistical-model parameters using fusion and spallation reactions
Mancusi, D.; Charity, R. J.; Cugnon, Joseph ULg

in European Physics Journal: Web of conferences (2011)

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See detailUnderstanding Crystallization of Anatase into Binary SiO2/TiO2 Sol-Gel Optical Thin Films: An in Situ Thermal Ellipsometry Analysis
Louis, B.; Krins, Natacha ULg; Faustini, M. et al

in Journal of Physical Chemistry C: Nanomaterials, Interfaces, and Hard Matter (2011), 115

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See detailHydrogeological study of Somes-Szamos transboundary alluvial aquifer
Drobot, Radu; Szucs, Peter; Brouyère, Serge ULg et al

in Ganoulis, Jacques; Aureli, Alice; Fried, Jean (Eds.) Transboundary Water Resources Management: A Multidisciplinary Approach (2011)

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See detailTrabectedine (ET-743/Yondelis) dans le traitement des sarcomes des tissus mous et du cancer de l'ovaire.
GENNIGENS, Christine ULg; Jerusalem, Guy ULg

in Revue Médicale de Liège (2011), 66(7-8), 452-5

Soft tissue sarcomas account for 1% of all malignant tumours. Until a few years ago, doxorubicine and ifosfamide were the only active chemotherapy drugs in the metastatic setting. Recently, a new drug has ... [more ▼]

Soft tissue sarcomas account for 1% of all malignant tumours. Until a few years ago, doxorubicine and ifosfamide were the only active chemotherapy drugs in the metastatic setting. Recently, a new drug has proven its efficacy after failure of standard treatments: the trabectedin; its activity is based on interference with ADN repair mechanisms. Trabectedin has just been also validated and reimbursed in patients with ovarian cancer, in partially sensitive recurrence. In this paper, we will review the mechanism of action and the clinical results of trabectedin. [less ▲]

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See detailGait feature extraction in Parkinson's disease using low-cost accelerometers
Stamatakis, Julien; Cremers, Julien ULg; Maquet, Didier ULg et al

Poster (2011)

The clinical hallmarks of Parkinson’s disease (PD) are movement poverty and slowness (i.e. bradykinesia), muscle rigidity, limb tremor or gait disturbances. Parkinson’s gait include slowness, shuffling ... [more ▼]

The clinical hallmarks of Parkinson’s disease (PD) are movement poverty and slowness (i.e. bradykinesia), muscle rigidity, limb tremor or gait disturbances. Parkinson’s gait include slowness, shuffling, short steps, freezing of gait (FoG) and/or asymmetries in gait. There are currently no validated clinical instruments or device that allow a full characterization of gait disturbances in PD. As a step towards this goal, a four accelerometer-based system is proposed to increase the number of parameters that can be extracted to characterize parkinsonian gait disturbances such as FoG or gait asymmetries. After developing the hardware, an algorithm has been developed, that automatically epoched the signals on a stride-by-stride basis and quantified, among others, the gait velocity, the stride time,the stance and swing phases, the single and double support phases or the maximum acceleration at toe-off, as validated by visual inspection of video recordings during the task. The results obtained in a PD patient and an healthy volunteer are presented. The FoG detection will be improved using time-frequency analysis and the system is about to be validated with a state-of-the-art 3D movement analysis system. [less ▲]

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See detailMicro-CT-based improvement of geometrical and mechanical controllability of selective laser melted Ti6Al4V porous structures
Van Bael, S.; Kerckhofs, Greet ULg; Moesen, M. et al

in MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING (2011), 528(24), 7423-7431

Despite the fact that additive manufacturing (AM) techniques allow to manufacture complex porous parts with a controlled architecture, differences can occur between designed and as-produced morphological ... [more ▼]

Despite the fact that additive manufacturing (AM) techniques allow to manufacture complex porous parts with a controlled architecture, differences can occur between designed and as-produced morphological properties. Therefore this study aimed at optimizing the robustness and controllability of the production of porous Ti6Al4V structures using selective laser melting (SLM) by reducing the mismatch between designed and as-produced morphological and mechanical properties in two runs. In the first run, porous Ti6Al4V structures with different pore sizes were designed, manufactured by SLM, analyzed by microfocus X-ray computed tomography (micro-CT) image analysis and compared to the original design. The comparison was based on the following morphological parameters: pore size, strut thickness, porosity, surface area and structure volume. Integration of the mismatch between designed and measured properties into a second run enabled a decrease of the mismatch. For example, for the average pore size the mismatch decreased from 45% to 5%. The demonstrated protocol is furthermore applicable to other 3D structures, properties and production techniques, powder metallurgy, titanium alloys, porous materials, mechanical characterization, tomography. (C) 2011 Elsevier B.V. All rights reserved. [less ▲]

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See detailCamel Trekking for non motile bacteria
Rigali, Sébastien ULg

Conference (2011)

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See detailIntérêts et limites du bilan neuropsychologique dans le cadre de l’expertise médicolégale
Meulemans, Thierry ULg

in Douleur et Analgésie (2011), 24(1), 41-55

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See detailCHIC cells: a novel ALK+ cell line derived from a relapsed anaplastic large cell lymphoma
Thielen, Caroline ULg; Bisig, Bettina ULg; Gofflot, Stéphanie ULg et al

in British Journal of Haematology (2011), 152

Since the initial description of anaplastic large cell lymphoma (ALCL) as a proliferation of large CD30+ lymphoid cells, the morphological spectrum of ALCL positive for anaplastic lymphoma kinase (ALCL ... [more ▼]

Since the initial description of anaplastic large cell lymphoma (ALCL) as a proliferation of large CD30+ lymphoid cells, the morphological spectrum of ALCL positive for anaplastic lymphoma kinase (ALCL, ALK+) has expanded, and beyond the common pattern most frequently encountered, several variants have been identified, including the lymphohistiocytic and the small cell patterns (Swerdlow et al, 2008). Only ten ALK+ ALCL cell lines are currently available, and most were derived from tumours demonstrating the common type morphology (Drexler & MacLeod, 2004). We have established a novel cell line (CHIC) from the cerebrospinal fluid of a 32-year-old man with relapsing/refractory ALK+ ALCL with a t(2;5)(p23;q35) translocation whose initial tumour exhibited lymphohistiocytic features. This cell line is now made available to the scientific community. In addition to multiple in vitro applications, the tumourigenic capacity of these cells represents a useful property for in vivo drug testing. [less ▲]

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