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See detailMeasuring the Interactions among Variables of Functions over the Unit hypercube
Marichal, Jean-Luc; Mathonet, Pierre ULg

in Modeling Decisions for Artificial Intelligence 7th International Conference, MDAI 2010 (2010)

By considering a least squares approximation of a given square integrable function f:[0,1]^n to R by a multilinear polynomial of a specified degree, we define an index which measures the overall ... [more ▼]

By considering a least squares approximation of a given square integrable function f:[0,1]^n to R by a multilinear polynomial of a specified degree, we define an index which measures the overall interaction among variables of f. This definition extends the concept of Banzhaf interaction index introduced in cooperative game theory. Our approach is partly inspired from multilinear regression analysis, where interactions among the independent variables are taken into consideration. We show that this interaction index has appealing properties which naturally generalize the properties of the Banzhaf interaction index. In particular, we interpret this index as an expected value of the difference quotients of f or, under certain natural conditions on f, as an expected value of the derivatives of f. These interpretations show a strong analogy between the introduced interaction index and the overall importance index defined by Grabisch and Labreuche. Finally, we discuss a few applications of the interaction index. [less ▲]

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See detailLes cultes isiaques à Emporion
Puccio, Laetizia ULg

in Pallas : Revue d'Etudes Antiques (2010), 84

This article presents a new interpretation of the temple M's content placed in the so-called sanctuary of Asklepios in Emporion. The sculptures are related to an inscription of the area and also to a ... [more ▼]

This article presents a new interpretation of the temple M's content placed in the so-called sanctuary of Asklepios in Emporion. The sculptures are related to an inscription of the area and also to a sigilado glass and chandeliers that come from the Roman city. All this proves the presence of an Egyptian worship in Emporion more complex than earlier. [less ▲]

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See detailLes indicateurs de la dynamique post-culturale de la végétation des jachères dans la partie savane de la réserve naturelle forestière de Kigwena (Burundi).
Bangirinama, F; Bigendako, M J; Lejoly, J et al

in Plant Ecology and Evolution (2010), 143(2), 1-10

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See detailLow-molecular-weight heparin dosage in newborn foals.
Armengou, L.; Monreal, L.; Delgado, M. A. et al

in Journal of veterinary internal medicine / American College of Veterinary Internal Medicine (2010), 24(5), 1190-5

BACKGROUND: Heparin is used in humans as prophylaxis of hypercoagulable states and disseminated intravascular coagulation (DIC). However, babies need a higher heparin dose than do adults. Septic neonate ... [more ▼]

BACKGROUND: Heparin is used in humans as prophylaxis of hypercoagulable states and disseminated intravascular coagulation (DIC). However, babies need a higher heparin dose than do adults. Septic neonate foals are at high risk of hypercoagulable state and DIC, and there is limited objective information about heparin dose for equine neonates. OBJECTIVE: To assess whether neonate foals require higher dosages of low-molecular-weight heparin (LMWH) than adults. ANIMALS: Eighteen healthy and 11 septic neonate foals. METHODS: Experimental and clinical studies. Firstly, healthy foals were randomly distributed in 2 groups, 1 receiving 50 IU/kg SC of dalteparin and the 2nd group receiving 100 IU/kg SC of dalteparin, once daily for 3 days. Blood samples were collected before and 3, 6, 27, and 51 hours after the 1st LMWH administration. Plasma antifactor-Xa activity was measured, together with hemostatic and hematologic parameters used to assess the risk of bleeding. Subsequently, septic foals were treated blindly either with placebo (saline) or 100 IU/kg of dalteparin for 3 days. Plasma antifactor-Xa activity and other hemostatic parameters were determined before and after treatment. RESULTS: Plasma antifactor-Xa activity in healthy foals was below prophylactic activity when using the adult dosage (50 IU/kg), whereas prophylactic activities were achieved when using the double dosage (100 IU/kg). No hemorrhagic events and erythrocyte-related complications were observed with either dosage. In the clinical study, only 4/6 septic foals had plasma antifactor-Xa activity adequate for prophylaxis. CONCLUSIONS AND CLINICAL IMPORTANCE: Equine neonates require higher dosages of LMWH compared with adults to reach prophylactic heparinemia. [less ▲]

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See detailCotransplantation of mesenchymal stem cells might prevent death from graft-versus-host disease (GVHD) without abrogating graft-versus-tumor effects after HLA-mismatched allogeneic transplantation following nonmyeloablative conditioning.
Baron, Frédéric ULg; Lechanteur, Chantal ULg; Willems, Evelyne ULg et al

in Biology of Blood & Marrow Transplantation (2010), 16(6), 838-47

Recent studies have suggested that coinfusion of mesenchymal stem cells (MSCs) the day of hematopoietic cell transplantation (HCT) might promote engraftment and prevent graft-versus-host disease (GVHD ... [more ▼]

Recent studies have suggested that coinfusion of mesenchymal stem cells (MSCs) the day of hematopoietic cell transplantation (HCT) might promote engraftment and prevent graft-versus-host disease (GVHD) after myeloablative allogeneic HCT. This prompted us to investigate in a pilot study whether MSC infusion before HCT could allow nonmyeloablative (NMA) HCT (a transplant strategy based nearly exclusively on graft-versus-tumor effects for tumor eradication) from HLA-mismatched donors to be performed safely. Twenty patients with hematologic malignancies were given MSCs from third party unrelated donors 30-120 minutes before peripheral blood stem cells (PBSCs) from HLA-mismatched unrelated donors, after conditioning with 2 Gy total body irradiation (TBI) and fludarabine. The primary endpoint was safety, defined as a 100-day incidence of nonrelapse mortality (NRM) <35%. One patient had primary graft rejection, whereas the remaining 19 patients had sustained engraftment. The 100-day cumulative incidence of grade II-IV acute GVHD (aGVHD) was 35%, whereas 65% of the patients experienced moderate/severe chronic GVHD (cGVHD). One-year NRM (10%), relapse (30%), overall survival (OS) (80%) and progression-free survival (PFS) (60%), and 1-year incidence of death from GVHD or infection with GVHD (10%) were encouraging. These figures compare favorably with those observed in a historic group of 16 patients given HLA-mismatched PBSCs (but no MSCs) after NMA conditioning, which had a 1-year incidence of NRM of 37% (P = .02), a 1-year incidence of relapse of 25% (NS), a 1-year OS and PFS of 44% (P = .02), and 38% (P = .1), respectively, and a 1-year rate of death from GVHD or infection with GVHD of 31% (P = .04). In conclusion, our data suggest that HLA-mismatched NMA HCT with MSC coinfusion appeared to be safe. [less ▲]

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See detailL'Île aux Corsaires et ses trésors naturels
Delcourt, Johann ULg; Destinay, Philippe; Dirick, Alain et al

Book published by Natagora (Liège et Basse-Meuse) - éditeur responsable: Pierre Tomasovic - natagora Liège et basse meuse (2010)

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See detailFirst man in the eastern Finland : an Early Mesolithic inland site with a red-ochre grave in Joensuu Rahakangas
Pesonen, Petro; Hertell, Esa; Nyholm, Mikael et al

Poster (2010)

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See detailQui dispose des dispositifs de médiation ?
Servais, Christine ULg

in Questions de Communication (2010), 10

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See detailExperimental investigation of the effect of flip bucket splitters on plunge pool geometry
Erpicum, Sébastien ULg; Archambeau, Pierre ULg; Dewals, Benjamin ULg et al

in RWTH - IWW (Ed.) Mitteilungen - 15. Deutsches Talsperrensymposium - Talsperren im Wandel (2010)

Flip buckets are common hydraulic structures aiming at deflecting high velocity flows to a free jet trajectory. Systematic experimental tests have been performed to assess the influence on energy ... [more ▼]

Flip buckets are common hydraulic structures aiming at deflecting high velocity flows to a free jet trajectory. Systematic experimental tests have been performed to assess the influence on energy dissipation and the plunge pool geometry of varied repartitions of splitters along the flip bucket width. In particular, it is shown that some configurations can create more erosion than a continuous channel without flip bucket. [less ▲]

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See detailRevision and validation of the Family Apperception Test: some psychometric properties.
Roskam, Isabelle; Stievenart, Marie ULg; Deschuyteneer, Laurence et al

in The Family Journal (2010), 18(3),

The Family Apperception Test (FAT) is a projective assessment procedure based on the family system theory. FAT allows the subjects’ affects and feelings about their family to be assessed. The original ... [more ▼]

The Family Apperception Test (FAT) is a projective assessment procedure based on the family system theory. FAT allows the subjects’ affects and feelings about their family to be assessed. The original version and its French translation removed some of the conceptual and psychometric limitations of previous projective tests and family assessment procedures but several questions remained. The current study proposes several modifications to the conceptual background, administration, coding procedure, and standardization of the FAT, which considerably improve its psychometric properties. Data were collected on 168 typical and clinical children in the French-speaking part of Belgium. The results provide significant evidence for inter- and intra-assessor reliability; the factorial analysis and the internal consistency of the revised version were good; the FAT enabled us to discriminate between typical children and those in the clinical sample. The discussion focuses on the interest and limits of the quantitative coding procedure, based on several categories conceptualized as risk versus protective factors. The FAT is characterized by a complementary approach—both quantitative and qualitative—to the children and their families. [less ▲]

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See detailComment les parents, les enseignants et les cliniciens évaluent les troubles du comportement externalisé du jeune enfant ? Etude de la variabilité des jugements évaluatifs et de son impact sur le développement de l’enfant
Roskam, Isabelle; Stievenart, Marie ULg; Meunier, Jean-Christophe et al

in Pratiques Psychologiques (2010), 16

Cette contribution questionne nos pratiques d’évaluation du comportement chez le jeune enfant. Les données concernant le comportement de 118 enfants ont été collectées par questionnaires et observation ... [more ▼]

Cette contribution questionne nos pratiques d’évaluation du comportement chez le jeune enfant. Les données concernant le comportement de 118 enfants ont été collectées par questionnaires et observation auprès de leurs parents, leurs enseignants et les cliniciens lors du recrutement et après 12 mois. Les résultats indiquent une variabilité importante entre les jugements évaluatifs des différents informateurs et un impact négatif de cette variabilité sur le développement ultérieur de l’enfant. Les résultats plaident en faveur d’une procédure multi-informateurs et multiméthodes dont les implications sont discutées sur le plan clinique. [less ▲]

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See detailMieux comprendre le savoir-agir autonome - Développement et analyse d'usages d'un environnement d'apprentissage destiné aux élèves de 10 à 15 ans
Georges, François ULg

Doctoral thesis (2010)

Analyse du potentiel autonomisant d'un environnement d'apprentissage en ligne destiné aux élèves de 10 à 15 ans

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See detailA new type of cubic-stacked layer structure in anthoinite, AlWO3(OH3)
Grey, I.; Madsen, I.; Mills et al

in American Mineralogist (2010), 95

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See detailEl Partenariado Oriental durante la presidencia española del Consejo de la UE: la gestión eficaz de unos objetivos modesto
Natorski, Michal ULg

in Barbé, Esther (Ed.) Entre la irrelevancia internacional y el aprendizaje institucional: La presidencia española de la UE (2010) (2010)

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See detailPierre Alechinsky. Récit d’un itinéraire pictural
Bawin, Julie ULg

in Culture, le Magazine Culturel de l'Université de Liège (2010)

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See detailA survey of honey bee colony losses in Belgium, fall 2008 to spring 2009
Nguyen, Bach Kim ULg; Mignon, Jacques ULg; Laget, D. et al

Conference (2010)

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See detailBoard certified physicians in health informatics. A european precedent for professional regognition
F.H. ROGER FRANCE; Cl. BEGUIN; Ch. Mélot et al

in International medical informatics association (2010)

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See detailThe commonality of neural networks for verbal and visual short-term memory.
Majerus, Steve ULg; D'Argembeau, Arnaud ULg; Martinez Perez, Trecy ULg et al

in Journal of Cognitive Neuroscience (2010), 22(11), 2570-2593

Although many neuroimaging studies have considered verbal and visual short-term memory (STM) as relying on neurally segregated short-term buffer systems, the present study explored the existence of shared ... [more ▼]

Although many neuroimaging studies have considered verbal and visual short-term memory (STM) as relying on neurally segregated short-term buffer systems, the present study explored the existence of shared neural correlates supporting verbal and visual STM. We hypothesized that networks involved in attentional and executive processes, as well as networks involved in serial order processing, underlie STM for both verbal and visual list information, with neural specificity restricted to sensory areas involved in processing the specific items to be retained. Participants were presented sequences of nonwords or unfamiliar faces, and were instructed to maintain and recognize order or item information. For encoding and retrieval phases, null conjunction analysis revealed an identical fronto-parieto-cerebellar network comprising the left intraparietal sulcus, bilateral dorsolateral prefrontal cortex, and the bilateral cerebellum, irrespective of information type and modality. A network centered around the right intraparietal sulcus supported STM for order information, in both verbal and visual modalities. Modality-specific effects were observed in left superior temporal and mid-fusiform areas associated with phonological and orthographic processing during the verbal STM tasks, and in right hippocampal and fusiform face processing areas during the visual STM tasks, wherein these modality effects were most pronounced when storing item information. The present results suggest that STM emerges from the deployment of modality-independent attentional and serial ordering processes toward sensory networks underlying the processing and storage of modality-specific item information. [less ▲]

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See detailOn the privacy of file sharing services
Nikiforakis, Nick; Gadaleta, Francesco ULg; Younan, Yves et al

Report (2010)

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