References of "2006"
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See detailLa répétibilité des frais de défense en matière pénale, oui mais....
Michiels, Olivier ULg; Monville, Pierre ULg

in Michiels, Olivier; Monville, Pierre (Eds.) Actualités de droit pénal et de procédure pénale (2006)

L'article envisage la question de la répétibilité des honoraires et frais d'avocat en procédure pénale, à la suite des arrêts prononcés par la Cour de cassation le 2 septembre 2004 et par la Cour ... [more ▼]

L'article envisage la question de la répétibilité des honoraires et frais d'avocat en procédure pénale, à la suite des arrêts prononcés par la Cour de cassation le 2 septembre 2004 et par la Cour constitutionnelle le 19 avril 2006. [less ▲]

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See detailCorrélation entre l'augmentation de la densité minérale osseuse et la réduction du risque fracturaire lors d'un traitement par ranélate de strontium
Bruyère, Olivier ULg; Cormier, C.; Fardellone, Patrice et al

in Revue du Rhumatisme (2006, December), 73

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See detailMorphological and molecular characterization of planktonic cyanobacteria from Belgium and Luxembourg
Willame, R.; Boutte, C.; Grubisic, Stana ULg et al

in Journal of Phycology (2006), 42(6), 1312-1332

For the first time in Belgium and Luxembourg, the diversity and taxonomy of 95 cyanobacterial strains isolated from freshwater blooms were assessed by the comparison of phenotypes and partial 16S rRNA ... [more ▼]

For the first time in Belgium and Luxembourg, the diversity and taxonomy of 95 cyanobacterial strains isolated from freshwater blooms were assessed by the comparison of phenotypes and partial 16S rRNA gene sequences. The results showed the high diversity of nanoplanktonic, picoplanktonic, and benthic-periphytic cyanobacteria accompanying the main bloom-forming taxa. Indeed, besides 15 morphotypes of bloom-forming taxa, seven non-bloom-forming planktonic morphotypes and 11 morphotypes from benthic-periphytic taxa were isolated in culture from the plankton samples of 35 water bodies. The bloom-forming strains belonged to the genera Microcystis, Woronichinia, Planktothrix, Anabaena, and Aphanizomenon, whereas the other strains isolated from the same samples were assigned to the nanoplanktonic Aphanocapsa, Aphanothece, Snowella, and Pseudanabaena; to the picoplanktonic Cyanobium; and to the benthic periphytic Geitlerinema, Komvophoron, Leptolyngbya, Lyngbya, Phormidium, Calothrix, Nostoc, and Trichormus. The results supported both the polyphyletism of genera such as Aphanocapsa, Aphanothece, Leptolyngbya, Geitlerinema, Anabaena, and Aphanizomenon as well as the validity of genera such as Microcystis, Planktothrix, and Pseudanabaena with gas vesicles and cells constricted at the cross wall. The results obtained showed the close relationship between Snowella and Woronichinia for which very few sequences exist. The first sequence of Komvophoron appeared poorly related to other available cyanobacterial sequences. Although in a few cases a good agreement existed between phenotypic and genotypic features, there was generally a discrepancy. Strains with identical morphotypes show small differences in the 16S rRNA sequences, which might be related to the different chemical properties of their habitats. The results showed the importance of the polyphasic approach in order to improve the taxonomy of cyanobacteria. [less ▲]

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See detailMapping uncertainty and phylogenetic uncertainty in ancestral character state reconstruction: An example in the moss genus Brachytheciastrum
Vanderpoorten, Alain ULg; Goffinet, B.

in Systematic Biology (2006), 55(6), 957-971

The evolution of species traits along a phylogeny can be examined through an increasing number of possible, but not necessarily complementary, approaches. In this paper, we assess whether deriving ... [more ▼]

The evolution of species traits along a phylogeny can be examined through an increasing number of possible, but not necessarily complementary, approaches. In this paper, we assess whether deriving ancestral states of discrete morphological characters from a model whose parameters are (i) optimized by ML on a most likely tree; (ii) optimized by ML onto each of a Bayesian sample of trees; and (iii) sampled by a MCMC visiting the space of a Bayesian sample of trees affects the reconstruction of ancestral states in the moss genus Brachytheciastrum. In the first two methods, the choice of a single- or two-rate model and of a genetic distance (wherein branch lengths are used to determine the probabilities of change) or speciational (wherein changes are only driven by speciation events) model based upon a likelihood-ratio test strongly depended on the sampled trees. Despite these differences in model selection, reconstructions of ancestral character states were strongly correlated to each others across nodes, often at r > 0.9, for all the characters. The Bayesian approach of ancestral character state reconstruction offers, however, a series of advantages over the single-tree approach or the ML model optimization on a Bayesian sample of trees because it does not involve restricting model parameters prior to reconstructing ancestral states, but rather allows a range of model parameters and ancestral character states to be sampled according to their posterior probabilities. From the distribution of the latter, conclusions on trait evolution can be made in a more satisfactorily way than when a substantial part of the uncertainty of the results is obscured by the focus on a single set of model parameters and associated ancestral states. The reconstructions of ancestral character states in Brachytheciastrum reveal rampant parallel morphological evolution. Most species previously described based on phenetic grounds are thus resolved of polyphyletic origin. Species polyphylly has been increasingly reported among mosses, raising severe reservations regarding current species definition. [less ▲]

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See detailAdvances in immunoproteomics for serological characterization of microbial antigens
Falisse-Poirier, Nandini; Ruelle, Virginie ULg; Elmoualij, Benaïssa ULg et al

in Journal of Microbiological Methods (2006), 67(3), 593-596

We propose a multi-dimensional strategy, associating immunodetection to a protein fractionating two-dimensional liquid chromatography tool, for serological characterization of microbial antigens. The ... [more ▼]

We propose a multi-dimensional strategy, associating immunodetection to a protein fractionating two-dimensional liquid chromatography tool, for serological characterization of microbial antigens. The originality of such immunoproteomic approaches resides in their application in large-scale studies for rapid serotyping of micro-organisms, evaluation of immunomes and could be proposed in the development and monitoring of vaccines. (c) 2006 Elsevier B.V. All rights reserved. [less ▲]

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See detailResults towards identifiability properties of biochemical reaction networks
Farina, Marcello; Findeisen, Rolf; Bullinger, Eric ULg et al

in Proc. of the 45th IEEE Conference on Decision and Control, San Diego, USA (2006, December)

In this paper we consider the question of parameter identifiability for biochemical reaction networks, as typically encountered in systems biology. Specifically, we are interested in deriving conditions ... [more ▼]

In this paper we consider the question of parameter identifiability for biochemical reaction networks, as typically encountered in systems biology. Specifically, we are interested in deriving conditions on the biochemical reaction network and on the measured outputs that guarantee identifiability of the parameters. Taking the specific system structure of biochemical reaction networks into account, we derive sufficient conditions for local parameter identifiability based on a suitable system expansion which does not any more directly depend on the parameters. Rather, as shown, the problem of identifiability can be recast as the question of observability of the (parameter free) expanded system. The conditions derived are exemplified considering a simple example [less ▲]

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See detailAn empirical line-by-line model for the infrared solar transmittance spectrum from 700 to 5000 cm(-1)
Hase, F.; Demoulin, Philippe ULg; Sauval, A. J. et al

in Journal of Quantitative Spectroscopy & Radiative Transfer (2006), 102(3), 450-463

An empirical line-by-line model for the infrared solar transmittance spectrum is presented. The model can be incorporated into radiative transfer codes to allow fast calculation of all relevant emission ... [more ▼]

An empirical line-by-line model for the infrared solar transmittance spectrum is presented. The model can be incorporated into radiative transfer codes to allow fast calculation of all relevant emission and absorption features in the solar spectrum in the mid-infrared region from 700 to 5000 cm(-1). The transmittance is modelled as a function of the diameter of the field-of-view centered on the solar disk: the line broadening due to solar rotation as well as center-to-limb variations in strength and width are taken into account for stronger lines. Applications of the model presented here are in the fields of terrestrial remote sensing in the mid-infrared spectral region when the sun is used as radiation source or scattered solar radiation contributes to the measured signal and in the fields of atmospheric radiative transfer algorithms which compute the propagation of infrared solar radiation in the terrestrial atmosphere. (c) 2006 Elsevier Ltd. All rights reserved. [less ▲]

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See detailAn introduction to robotics - mechanical aspects
Duysinx, Pierre ULg; Bruls, Olivier ULg; Géradin, Michel ULg

Learning material (2006)

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See detailFeedback Control of Impact Dynamics: the Bouncing Ball Revisited
Ronsse, Renaud; Sepulchre, Rodolphe ULg

in Proceedings of the 45th IEEE Conference on Decision and Control (2006, December)

We study the the design of a tracking controller for the popular bouncing ball model: the continuous-time actuation of a table is used to control the impacts of the table with a bouncing ball. The ... [more ▼]

We study the the design of a tracking controller for the popular bouncing ball model: the continuous-time actuation of a table is used to control the impacts of the table with a bouncing ball. The proposed control law uses the impact times as the sole feedback information. We show that the acceleration of the table at impact plays no role in the stability analysis but is an important parameter for the robustness of the feedback system to model uncertainty, in particular to the uncertainty on the coefficient of restitution. [less ▲]

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See detailDeployment of an Algorithm for Large-Scale Topology Discovery
Donnet, Benoît ULg; Raoult, Philippe; Friedman, Timur et al

in IEEE Journal on Selected Areas In Communications (2006), 24(12), 2210--2220

Topology discovery systems are starting to be in- troduced in the form of easily and widely deployed software. Unfortunately, the research community has not examined the problem of how to perform such ... [more ▼]

Topology discovery systems are starting to be in- troduced in the form of easily and widely deployed software. Unfortunately, the research community has not examined the problem of how to perform such measurements efficiently and in a network-friendly manner. This paper describes several contributions towards that end. These were first presented in the proceedings of ACM SIGMETRICS 2005. We show that standard topology discovery methods (e.g., skitter) are quite inefficient, repeatedly probing the same interfaces. This is a concern, because when scaled up, such methods will generate so much traffic that they will begin to resemble DDoS attacks. We propose two metrics focusing on redundancy in probing and show that both are important. We also propose and evaluate Doubletree, an algorithm that strongly reduces redundancy while maintaining nearly the same level of node and link coverage. The key ideas are to exploit the tree-like structure of routes to and from a single point in order to guide when to stop probing, and to probe each path by starting near its midpoint. Following the SIGMETRICS work, we implemented Doubletree, and deployed it in a real network environment. This paper describes that implementation, as well as preliminary favorable results. [less ▲]

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See detailFragmentation induced in atmospheric pressure photoionization of peptides
Debois, Delphine ULg; Giuliani, Alexandre; Laprévote, Olivier

in Journal of Mass Spectrometry [=JMS] (2006), 41(12), 1554-1560

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See detailA 2.5-Mb contig constructed from Angus, Longhorn and horned Hereford DNA spanning the polled interval on bovine chromosome 1
Wunderlich, K. R.; Abbey, C. A.; Clayton, D. R. et al

in Animal Genetics (2006), 37(6), 592-594

The polled locus has been mapped by genetic linkage analysis to the proximal region of bovine chromosome 1. As an intermediate step in our efforts to identify the polled locus and the underlying causative ... [more ▼]

The polled locus has been mapped by genetic linkage analysis to the proximal region of bovine chromosome 1. As an intermediate step in our efforts to identify the polled locus and the underlying causative mutation for the polled phenotype, we have constructed a BAC-based physical map of the interval containing the polled locus. Clones containing genes and markers in the critical interval were isolated from the TAMBT (constructed from Angus and Longhorn genomic DNA) and CHORI-240 (constructed from horned Hereford genomic DNA) BAC libraries and ordered based on fingerprinting and the presence or absence of 80 STS markers. A single contig spanning 2.5 Mb was assembled. Comparison of the physical order of STSs to the corresponding region of human chromosome 21 revealed the same order of genes within the polled critical interval. This contig of overlapping BAC clones from horned and polled breeds is a useful resource for SNP discovery and characterization of positional candidate genes. [less ▲]

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See detailLa radiothérapie du cancer du sein
Meyns, Mia ULg

in AIDS Patient Care (2006), 4

Le traitement du cancer du sein est un des exemples les plus probants de l'approche multidisciplinaire oncologique. Dans ce contexte, la radiothérapie a renforcé sa place et son importance, même si ... [more ▼]

Le traitement du cancer du sein est un des exemples les plus probants de l'approche multidisciplinaire oncologique. Dans ce contexte, la radiothérapie a renforcé sa place et son importance, même si certaines incertitudes persistent, comme la prise en charge du creux axillaire, de la chaîne mammaire interne et de la paroi thoracique. La tendance constatée depuis plusieurs années est celle d'une approche moins agressive. [less ▲]

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See detailTiming and efficacy of transmitter release at mossy fiber synapses in the hippocampal network
Bischofberger, J; Engel, Dominique ULg; Frotscher, M et al

in Pflügers Archiv : European Journal of Physiology (2006), 453(3), 361-72

See detailDes élections provinciales sans grand changement ?
Hermans, Michel ULg

Article for general public (2006)

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See detailRetouched Bloom Filters: Allowing Networked Applications to Flexibly Trade Off False Positives Against False Negatives
Donnet, Benoît ULg; Baynat, Bruno; Friedman, Timur

in ACM CoNEXT (2006, December)

Where distributed agents must share voluminous set mem- bership information, Bloom filters provide a compact, though lossy, way for them to do so. Numerous recent networking papers have examined the trade ... [more ▼]

Where distributed agents must share voluminous set mem- bership information, Bloom filters provide a compact, though lossy, way for them to do so. Numerous recent networking papers have examined the trade-offs between the bandwidth consumed by the transmission of Bloom filters, and the er- ror rate, which takes the form of false positives, and which rises the more the filters are compressed. In this paper, we introduce the retouched Bloom filter (RBF), an extension that makes the Bloom filter more flexible by permitting the removal of selected false positives at the expense of gen- erating random false negatives. We analytically show that RBFs created through a random process maintain an overall error rate, expressed as a combination of the false positive rate and the false negative rate, that is equal to the false positive rate of the corresponding Bloom filters. We further provide some simple heuristics that decrease the false posi- tive rate more than than the corresponding increase in the false negative rate, when creating RBFs. Finally, we demon- strate the advantages of an RBF over a Bloom filter in a dis- tributed network topology measurement application, where information about large stop sets must be shared among route tracing monitors. [less ▲]

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