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See detailOperational model for real-time reconstruction of the electron density profile using GPS TEC measurements
Stankov, Stanimir; Warnant, René ULg; Jodogne, Jean-Claude

in Proceedings of the XXVII URSI General Assembly (2002, August)

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See detailOperational monitoring of multi-qubit entanglement classes via tuning of local operations
Bastin, Thierry ULg; Thiel, C.; von Zanthier, J. et al

Conference (2008)

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See detailOperational monitoring of multi-qubit entanglement classes via tuning of local operations
Bastin, Thierry ULg; Thiel, C.; von Zanthier, J. et al

Poster (2008)

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See detailOperational monitoring of multi-qubit entanglement classes via tuning of local operations
Bastin, Thierry ULg; Thiel, C.; von Zanthier, J. et al

Conference (2008)

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See detailOperational monitoring of multi-qubit entanglement classes with trapped ions
Bastin, Thierry ULg; Thiel, C.; von Zanthier, J. et al

Conference (2008)

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See detailOperational monitoring of multi-qubit entanglement classes with trapped ions
Bastin, Thierry ULg; Thiel, C.; von Zanthier, J. et al

Poster (2008)

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See detailOperational multipartite entanglement classes for symmetric photonic qubit states
Kiesel, N.; Wieczorek, W.; Krins, Stéphanie ULg et al

in Physical Review. A (2010), 81

We present experimental schemes that allow us to study the entanglement classes of all symmetric states in multiqubit photonic systems. We compare the efficiency of the proposed schemes and highlight the ... [more ▼]

We present experimental schemes that allow us to study the entanglement classes of all symmetric states in multiqubit photonic systems. We compare the efficiency of the proposed schemes and highlight the relation between the entanglement properties of symmetric Dicke states and a recently proposed entanglement scheme for atoms. In analogy to the latter, we obtain a one-to-one correspondence between well-defined sets of experimental parameters and multiqubit entanglement classes inside the symmetric subspace of the photonic system. [less ▲]

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See detailOperational multipartite entanglement classes for symmetric photonic qubit states
Kiesel, N.; Wieczorek, W.; Krins, Stéphanie ULg et al

Poster (2010)

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See detailOperational Risk and Reputation in the Financial Industry
Gillet, Roland; Hübner, Georges ULg; Plunus, Séverine ULg

in Journal of Banking and Finance (2010), 34

By examining stock market reactions to the announcement of operational losses by financial companies, this paper attempts to disentangle operational losses from reputational damage. Our analysis deals ... [more ▼]

By examining stock market reactions to the announcement of operational losses by financial companies, this paper attempts to disentangle operational losses from reputational damage. Our analysis deals with 154 events coming from the FIRST database of OpVantage. Events occurred between 1990 and 2004 in companies belonging to the financial sector and that are listed on the major European and US Stock Exchanges. Results show significant, negative abnormal returns at the announcement date of the loss, along with an increase in the volumes of trade. In cases of internal fraud, the loss in market value is greater that the operational loss amount announced, which is interpreted as a sign of reputational damage. Negative impact is proportionally greater when the loss amount represents a larger share in the company’s net profit. [less ▲]

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See detailOperational Risk Management (ORM): the aviation safety model can be transposed into the medical sector
COUCKE, Philippe ULg; DELGAUDINE, Marie ULg; BOGA, Deniz ULg et al

in Belgian Journal of Medical Oncology [=BJMO] (2013), 7(5), 137-141

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See detailOperational warning for Septoria leaf blotch and leaf rust in winter wheat: Importance of fungicide dosage, formulation, and spray time
El Jarroudi, Moussa ULg; Kouadio, Louis; Beyer, Marco et al

in Phytopathology (2013), 103

Field experiments were conducted in 2010 to investigate the effect of fungicide commercial formulation, timing and dosages on the severity of these two diseases in winter wheat in Luxembourg. Different ... [more ▼]

Field experiments were conducted in 2010 to investigate the effect of fungicide commercial formulation, timing and dosages on the severity of these two diseases in winter wheat in Luxembourg. Different types of fungicides and fungicide combinations containing active ingredients such as triazoles and strobilurins were used in field trials including susceptible cultivars to Septoria leaf blotch (SLB, caused by Septoria tritici) and wheat leaf rust (WLR, caused by Puccinia triticina). The three formulations of fungicides tested were: (i) a mix of triazole and amine (Prothioconazole 250 g/l + Spiroxamine 500 g/l) associated with chlorothalonil 500 g/l, (ii) sole strobilurin (Azoxystrobine 250 g/l), and (iii) a mix of strobilurin and triazole (Epoxiconazole 125 g/l; Azoxystrobine 250 g/l). The optimum time of fungicide spray was assessed through the mechanistic model PROCULTURE and a stochastic model based on night favourable weather conditions conducive to WLR development. The results showed that for plots treated with fungicide formulation containing either a triazole or a strobilurin, the grain yield earned was not significantly different from the untreated plots (P > 0.05). Whereas single fungicide treatment involving a mixture of triazole and strobilurin at the optimum time gave an earning (on average 7 dt ha-1) compare to the control and a yield similar to that obtained with the double or triple fungicide treatments. [less ▲]

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See detailOperationality of geographic profiling through a hypothetico-deductive method. A review of constraints and factors.
Trotta, Marie ULg; Lemaître, André ULg; Donnay, Jean-Paul ULg

in Bulletin de la Société Géographique de Liège (2013), 60

This paper is dedicated to the identification of the constraints and factors enabling the computation of an effective geographic profile, with the specificity of focusing only on the elements that could ... [more ▼]

This paper is dedicated to the identification of the constraints and factors enabling the computation of an effective geographic profile, with the specificity of focusing only on the elements that could be available during an investigation. It aimed at filling the gap between the inductive demarche of environmental criminology and the deductive, operational procedure followed by geographic profilers. It reviews successively the relationship between the premeditation, the seriousness of the facts, the nature of the offences and the spatio-temporal pattern of the crimes with the criteria required to build effective likelihood surfaces in geographic profiling. A decision tree is provided as a tool for evaluating the risks of an ineffective geographic profile with regard to the non-respect of the different conditions. [less ▲]

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See detailOpérationnel et politique foncière : esquisse de commentaire
Donnay, Luc ULg

in Delnoy, Michel (Ed.) Le Code wallon de développement territorial (2014)

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See detailOpérations arithmétiques et symbolisations variées. Partir des démarches informelles des élèves pour donner du sens aux apprentissages
Fagnant, Annick ULg

in Education & Formation (2013), e-298(01), 23-38

Tout en s’appuyant sur certains apports de la psychologie cognitive, le présent article se situe dans la lignée des courants socioculturels qui défendent l’idée d’une co-construction des concepts et des ... [more ▼]

Tout en s’appuyant sur certains apports de la psychologie cognitive, le présent article se situe dans la lignée des courants socioculturels qui défendent l’idée d’une co-construction des concepts et des symboles. Il s’intéresse à différents types de symbolisations informelles (comme l’utilisation de matériel manipulable, des doigts ou de représentations dessinées) ou plus formelles (comme le diagramme de Venn, le graphe fléché ou les calculs). Les résultats de deux études empiriques menées en 1ère primaire en Communauté française de Belgique montrent que l’utilisation de matériel manipulable permet aux élèves de résoudre une variété de problèmes mais qu’ils éprouvent d’importantes difficultés à utiliser un symbolisme mathématique conventionnel et à produire un calcul en lien avec les démarches de résolution développées ; l’utilisation de ces symbolisations « mal comprises » pouvant conduire au développement de stratégies superficielles de résolution de problèmes. Par ailleurs, une étude exploratoire indique qu’il est possible de travailler au départ des symbolisations informelles produites par les élèves pour les aider à développer une meilleure compréhension des concepts impliqués et pour tendre progressivement vers des symbolisations mathématiques plus conventionnelles qu’ils devraient ainsi mieux intégrer. [less ▲]

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See detailLes opérations militaires
Pirot, Pascal ULg

in Créer avant de mourir. Des oeuvres d'art dans les tranchées, 1914-1918. (2014)

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See detailOperations Research for the steel industry : the art of combining science and knowledge
Crama, Yves ULg; Chevalier, Philippe

Conference (2010, October)

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See detailOperative mortality following surgery for colorectal cancer
Canivet, Jean-Luc ULg; Damas, Pierre ULg; Desaive, Claude ULg et al

in British Journal of Surgery (1989), 76(7), 745-747

From 1973 to 1986 at the Baviere Hospital, University of Liege, 476 patients underwent surgery for colorectal cancers. The overall operative mortality rate was 13.4 per cent. The following postoperative ... [more ▼]

From 1973 to 1986 at the Baviere Hospital, University of Liege, 476 patients underwent surgery for colorectal cancers. The overall operative mortality rate was 13.4 per cent. The following postoperative life-threatening complications occurred: myocardial infarction (14 per cent of the postoperative deaths) during the first three postoperative days; bronchopneumonia (27 per cent of the postoperative deaths) mainly during the first postoperative week; pulmonary embolism (17 per cent of the postoperative deaths) mainly during the second postoperative week; anastomotic leakage and cerebrovascular accident (14 and 8 per cent of the postoperative deaths respectively) mainly during the third and fourth postoperative weeks. Specific risk factors were chronic obstructive airways disease associated with a higher incidence of postoperative bronchopneumonia, and previous myocardial infarction associated with postoperative myocardial infarction and pulmonary embolism. General risk factors were old age and emergency procedure, both of which were associated with a higher incidence of infectious complications. The operative mortality rate fell from 20.1 per cent in the 1973-79 period to 7.8 per cent in the 1980-86 period. [less ▲]

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