Browsing
     by title


0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

or enter first few letters:   
OK
Full Text
See detailLes conseils de fumure azotée
Bodson, Bernard ULg; Herman, Jean-Luc; Destain, Jean-Pierre ULg et al

in Livre Blanc: Céréales - Gembloux (2000, February)

Detailed reference viewed: 3 (1 ULg)
Full Text
See detailLes conseils de fumure azotée
Bodson, Bernard ULg; Herman, Jean-Luc; Destain, Jean-Pierre ULg et al

in Fumure et protection phytosanitaire des céréales (1999, February 24)

Detailed reference viewed: 8 (1 ULg)
See detailLes conseils de fumure: une nouvelle présentation
Falisse, André; Poelaert, Jean; Bodson, Bernard ULg et al

in Livre Blanc: Céréales - Gembloux (1987, February 26)

Detailed reference viewed: 15 (0 ULg)
Full Text
See detailConseils de résolution des casus
Sibony, Anne-Lise ULg

Learning material (2014)

Conseils de résolution de casus

Detailed reference viewed: 12 (1 ULg)
See detailConseils pour écrire et évaluer un article scientifique
Cornet, Annie ULg

Diverse speeche and writing (2012)

Detailed reference viewed: 9 (0 ULg)
Full Text
Peer Reviewed
See detailConseils pour une meilleure prescription medicamenteuse.
Scheen, André ULg; Parada, Alberto; Giet, Didier ULg

in Revue Médicale de Liège (2006), 61(5-6), 488-93

The prescription of a pharmacological agent concludes most medical visits. The rational basis of drug prescription by the physician relies on numerous pharmacodynamic, pharmacokinetic, pragmatic and ... [more ▼]

The prescription of a pharmacological agent concludes most medical visits. The rational basis of drug prescription by the physician relies on numerous pharmacodynamic, pharmacokinetic, pragmatic and economic considerations. However, it is a pity to notice that one patient out of two does not strictly follow the pharmacological treatment as it was prescribed. This article analyses some problems of the patient-doctor relationship, which may reduce medication compliance, and provides practical advice for improving such a situation in order to enhance both efficacy and safety of drug prescribing. [less ▲]

Detailed reference viewed: 264 (7 ULg)
Full Text
Peer Reviewed
See detailConsensus : Varicella vaccination of healthy children - A challenge for Europe
Rentier, Bernard ULg; Gershon, Anne A.

in Pediatric Infectious Disease Journal (2004), 23(5), 379-389

The seriousness of varicella-zoster virus (VZV) infection as a public health issue is becoming clearer as country-specific epidemiologic and pharmacoeconomic data become available. In Germany, for example ... [more ▼]

The seriousness of varicella-zoster virus (VZV) infection as a public health issue is becoming clearer as country-specific epidemiologic and pharmacoeconomic data become available. In Germany, for example, studies have shown that >5.5% of immunologically healthy individuals develop varicella-related complications such as bacterial superinfections, acute neurologic disorders, pneumonia, bronchitis and otitis media; whereas in Italy, 3.5 to 5% of childhood cases of varicella cause complications such as upper respiratory tract and cutaneous infections. Varicella vaccines are now available. These live attenuated Oka strain vaccines have been shown in extensive studies to be highly immunogenic and well-tolerated in immunocompetent and immunocompromised children, with seroconversion rates ranging from 94 to 100% and 53 to 100%, respectively. These vaccines are also highly effective against clinical disease. These considerations led to a reevaluation of varicella vaccination policies. A routine varicella vaccination program targeting healthy children has already been implemented in the US, and data produced are encouraging and valuable. Similar strategies have not yet been adopted across Europe. The European Working Group on Varicella (EuroVar) was formed in 1998 to address the issues surrounding varicella epidemiology in Europe. After a series of meetings, the EuroVar members prepared a consensus statement recommending routine varicella vaccination for all healthy children between 12 and 18 months and to all susceptible children before their 13th birthday, in addition to catch-up vaccination in older children and adults who have no reliable history of varicella and who are at high risk of transmission and exposure. However, such a policy is recommended only if a very high coverage rate can be achieved. This could be reached with a measles-mumps-rabella-varicella combined vaccine. [less ▲]

Detailed reference viewed: 41 (8 ULg)
Full Text
Peer Reviewed
See detailConsensus algorithms for the generation of all maximal bicliques
Alexe, Gabriela; Alexe, Sorin; Crama, Yves ULg et al

in Discrete Applied Mathematics (2004), 145(1 Sp. Iss. SI), 11-21

We describe a new algorithm for generating all maximal bicliques (i.e. complete bipartite. not necessarily induced subgraphs) of a graph. The algorithm is inspired by, and is quite similar to. the ... [more ▼]

We describe a new algorithm for generating all maximal bicliques (i.e. complete bipartite. not necessarily induced subgraphs) of a graph. The algorithm is inspired by, and is quite similar to. the consensus method used in propositional logic. We show that some variants of the algorithm are totally polynomial, and even incrementally polynomial. The total complexity of the most efficient variant of the algorithms presented here is polynomial in the input size. and only linear in the output size. Computational experiments demonstrate its high efficiency on randomly generated graphs with up to 2000 vertices and 20,000 edges. (C) 2003 Elsevier B.V. All rights reserved. [less ▲]

Detailed reference viewed: 54 (6 ULg)
See detailConsensus clinique de l'approche raisonnee des troubles erectiles chez un patient cardio-vasculaire
Andrianne, Robert ULg; D'Orio, Vincenzo ULg

in Revue Médicale de Liège (2000), 55(5), 454-8

The most common physical risk factors for erectile dysfunction (ED) are atherosclerosis, heart disease, hypertension and diabetes. Since accessibility to easy and efficacy drug for ED therapy, GPs are ... [more ▼]

The most common physical risk factors for erectile dysfunction (ED) are atherosclerosis, heart disease, hypertension and diabetes. Since accessibility to easy and efficacy drug for ED therapy, GPs are increasingly at the front line in the management of ED and are often best-placed to discuss this problem with cardiovascular male patients. This consensus aims to provide practical advice on the management of ED in patients with diagnosed cardiovascular disease and also addresses the assessment of the cardiovascular risk in restoring sexual activity in these patients. A risk assessment algorithm has been drawn up to aid clinicians in deciding the level of cardiovascular risk that would be associated with a return of sexual activity as well as criteria for referral to specialists for further cardiac evaluation. Treatment options are briefly reviewed and follow-up process identified. [less ▲]

Detailed reference viewed: 29 (2 ULg)
Full Text
Peer Reviewed
See detailConsensus in non-commutative spaces
Sepulchre, Rodolphe ULg; Sarlette, Alain ULg; Rouchon, Pierre

in Proceedings of the 49th IEEE Conference on Decision and Control (2010, December)

Convergence analysis of consensus algorithms is revisited in the light of the Hilbert distance. The Lyapunov function used in the early analysis by Tsitsiklis is shown to be the Hilbert distance to ... [more ▼]

Convergence analysis of consensus algorithms is revisited in the light of the Hilbert distance. The Lyapunov function used in the early analysis by Tsitsiklis is shown to be the Hilbert distance to consensus in log coordinates. Birkhoff theorem, which proves contraction of the Hilbert metric for any positive homogeneous monotone map, provides an early yet general convergence result for consensus algorithms. Because Birkhoff theorem holds in arbitrary cones, we extend consensus algorithms to the cone of positive definite matrices. The proposed generalization finds applications in the convergence analysis of quantum stochastic maps, which are a generalization of stochastic maps to non-commutative probability spaces. [less ▲]

Detailed reference viewed: 60 (5 ULg)
Full Text
Peer Reviewed
See detailConsensus on homogeneous manifolds
Sarlette, Alain ULg; Sepulchre, Rodolphe ULg

in Proceedings of the 48th IEEE Conference on Decision and Control (2009, December)

The present paper considers distributed consensus algorithms for agents evolving on a connected compact homogeneous (CCH) manifold. The agents track no external reference and communicate their relative ... [more ▼]

The present paper considers distributed consensus algorithms for agents evolving on a connected compact homogeneous (CCH) manifold. The agents track no external reference and communicate their relative state according to an interconnection graph. The paper first formalizes the consensus problem for synchronization (i.e. maximizing the consensus) and balancing (i.e. minimizing the consensus); it thereby introduces the induced arithmetic mean, an easily computable mean position on CCH manifolds. Then it proposes and analyzes various consensus algorithms on manifolds: natural gradient algorithms which reach local consensus equilibria; an adaptation using auxiliary variables for almost-global synchronization or balancing; and a stochastic gossip setting for global synchronization. It closes by investigating the dependence of synchronization properties on the attraction function between interacting agents on the circle. The theory is also illustrated on SO(n) and on the Grassmann manifolds. [less ▲]

Detailed reference viewed: 41 (7 ULg)
Full Text
Peer Reviewed
See detailConsensus on Nonlinear Spaces
Sepulchre, Rodolphe ULg

in Proceedings of the 8th IFAC Symposium on Nonlinear Control Systems (2010, September)

Consensus problems have attracted significant attention in the control community over the last decade. They act as a rich source of new mathematical problems pertaining to the growing field of cooperative ... [more ▼]

Consensus problems have attracted significant attention in the control community over the last decade. They act as a rich source of new mathematical problems pertaining to the growing field of cooperative and distributed control. This paper is an introduction to consensus problems whose underlying state-space is not a linear space, but instead a highly symmetric nonlinear space such as the circle and other relevant generalizations. A geometric approach is shown to highlight the connection between several fundamental models of consensus, synchronization, and coordination, to raise significant global convergence issues not present in linear models, and to be relevant for a number of engineering applications, including the design of planar or spatial coordinated motions. [less ▲]

Detailed reference viewed: 90 (13 ULg)
Full Text
Peer Reviewed
See detailConsensus optimization on manifolds
Sarlette, Alain ULg; Sepulchre, Rodolphe ULg

in SIAM Journal on Control & Optimization (2009), 48(1), 56-76

The present paper considers distributed consensus algorithms that involve N agents evolving on a connected compact homogeneous manifold. The agents track no external reference and communicate their ... [more ▼]

The present paper considers distributed consensus algorithms that involve N agents evolving on a connected compact homogeneous manifold. The agents track no external reference and communicate their relative state according to a communication graph. The consensus problem is formulated in terms of the extrema of a cost function. This leads to efficient gradient algorithms to synchronize (i.e., maximizing the consensus) or balance (i.e., minimizing the consensus) the agents; a convenient adaptation of the gradient algorithms is used when the communication graph is directed and time-varying. The cost function is linked to a specific centroid definition on manifolds, introduced here as the induced arithmetic mean, that is easily computable in closed form and may be of independent interest for a number of manifolds. The special orthogonal group SO(n) and the Grassmann manifold Grass(p,n) are treated as original examples. A link is also drawn with the many existing results on the circle. [less ▲]

Detailed reference viewed: 59 (8 ULg)
Full Text
Peer Reviewed
See detailConsensus statement on the treatment of septic shock
Spapen, H.; Damas, Pierre ULg; D'Orio, Vincenzo ULg et al

in Acta Clinica Belgica (1999), 54(5), 256-262

Detailed reference viewed: 24 (2 ULg)
Full Text
Peer Reviewed
See detailConsensus statement on the use of gonadotropin-releasing hormone analogs in children.
Carel, Jean*-Claude; Eugster, Erica A; Rogol, Alan et al

in Pediatrics (2009), 123(4), 752-62

OBJECTIVE: Gonadotropin-releasing hormone analogs revolutionized the treatment of central precocious puberty. However, questions remain regarding their optimal use in central precocious puberty and other ... [more ▼]

OBJECTIVE: Gonadotropin-releasing hormone analogs revolutionized the treatment of central precocious puberty. However, questions remain regarding their optimal use in central precocious puberty and other conditions. The Lawson Wilkins Pediatric Endocrine Society and the European Society for Pediatric Endocrinology convened a consensus conference to review the clinical use of gonadotropin-releasing hormone analogs in children and adolescents. PARTICIPANTS: When selecting the 30 participants, consideration was given to equal representation from North America (United States and Canada) and Europe, an equal male/female ratio, and a balanced spectrum of professional seniority and expertise. EVIDENCE: Preference was given to articles written in English with long-term outcome data. The US Public Health grading system was used to grade evidence and rate the strength of conclusions. When evidence was insufficient, conclusions were based on expert opinion. CONSENSUS PROCESS: Participants were put into working groups with assigned topics and specific questions. Written materials were prepared and distributed before the conference, revised on the basis of input during the meeting, and presented to the full assembly for final review. If consensus could not be reached, conclusions were based on majority vote. All participants approved the final statement. CONCLUSIONS: The efficacy of gonadotropin-releasing hormone analogs in increasing adult height is undisputed only in early-onset (girls <6 years old) central precocious puberty. Other key areas, such as the psychosocial effects of central precocious puberty and their alteration by gonadotropin-releasing hormone analogs, need additional study. Few controlled prospective studies have been performed with gonadotropin-releasing hormone analogs in children, and many conclusions rely in part on collective expert opinion. The conference did not endorse commonly voiced concerns regarding the use of gonadotropin-releasing hormone analogs, such as promotion of weight gain or long-term diminution of bone mineral density. Use of gonadotropin-releasing hormone analogs for conditions other than central precocious puberty requires additional investigation and cannot be suggested routinely. [less ▲]

Detailed reference viewed: 23 (2 ULg)
Full Text
Peer Reviewed
See detailConsensus under general convexity
tuna, S. E.; Sepulchre, Rodolphe ULg

in Proceedings of the 46th IEEE Conference on Decision and Control (2007, December)

A method is proposed to characterize contraction of a set through orthogonal projections. For discrete-time multi-agent systems, quantitative estimates of convergence (to a consensus) rate are provided by ... [more ▼]

A method is proposed to characterize contraction of a set through orthogonal projections. For discrete-time multi-agent systems, quantitative estimates of convergence (to a consensus) rate are provided by means of contracting convex sets. Required convexity for the sets that should include the values that the transition maps of agents take is considered in a more general sense than that of Euclidean geometry. [less ▲]

Detailed reference viewed: 13 (0 ULg)
See detailLe consentement du mineur
Nottet, Aurélie ULg

in Responsabilités autour et alentours du mineur (2011, May)

Detailed reference viewed: 30 (7 ULg)
Full Text
Peer Reviewed
See detailConsequence driven decomposition of large-scale power system security analysis
Fonteneau, Florence ULg; Ernst, Damien ULg; Druet, Christophe et al

in Proceedings of the 2010 IREP Symposium - Bulk Power Systems Dynamics and Control - VIII (2010, August)

This paper presents an approach for assessing, in operation planning studies, the security of a large-scale power system by decomposing it into elementary subproblems, each one corresponding to a ... [more ▼]

This paper presents an approach for assessing, in operation planning studies, the security of a large-scale power system by decomposing it into elementary subproblems, each one corresponding to a structural weak-point of the system. We suppose that the structural weak-points are known a priori by the system operators, and are each one described by a set of constraints that are localized in some relatively small area of the system. The security analysis with respect to a given weak-point thus reduces to the identification of the combinations of power system configurations and disturbances that could lead to the violation of some of its constraints. We propose an iterative rare-event simulation approach for identifying such combinations among the very large set of possible ones. The procedure is illustrated on a simplified version of this problem applied to the Belgian transmission system. [less ▲]

Detailed reference viewed: 53 (11 ULg)