Argumentative formalisms have been widely recognized as knowledge representation and reasoning tools able to deal with incomplete and potentially contradictory informa- tion. All such formalisms are computationally demanding. Hence, optimizing argumen- tative systems has been approached from di erent views.

The preferred temperature (PT) of Poecilia sphenops (Pisces, Poeciliidae) (n = 240, 1.13 +/- 0.06 g wet weight, 3.26 +/- 0.88 cm standard length) from Presa Piedra Azul, Oaxaca, Mexico, was measured at acclimation temperature of 20 degreesC, 23 degreesC,…

//// Abstract: My purpose in this essay is to bring to light the role played by experience in the justification process of empirical knowledge. Contemporary debate is dominated by two antagonistic sides: on one extreme we have the foundationalist empiricists…

While biologists have been aware of the existence of native Mexican trouts for over a century, they have received little study. The few early studies that did muchmore than mention their existence began in the 1930s and continued into the…

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Depuis longtemps déjà, les arts visuels se démarquent par leurs rapports proches quoique créatifs avec les développements technologiques des sociétés modernes. Pour les musées, Internet constitue une opportunité de rejoindre des publics qui s’avèrent de prime abord moins accessibles. Ce…

The theory of satellite loss resulting from a giant impact on Uranus (Parisi and Brunini 1997, Planet. Space Sci. 45, 181–187) is revisited, in the light of the discovery of its five outer moons (Gladman et al. 1998, Nature 392,…

In this work five different ways of intervention, strategically articulated, on the social world, are established. And it includes two approaches regarding the realm of knowledge and that of social change. In the second approach, five basic categories are proposed:…

Mcllwaine, I.C.(Eds), Knowledge Organization and the Global Information Society, Proceedings of the 8th International Conference of the International Society for Knowlwdge Organization, University College London, 13-16 july, 2004, Ergon, Würzburg, Advances in Knowledge Organization , v. 9, p. 187-192

La thérapie génique, qui consiste à modifier le génome d'un individu, est la progression logique de l'application de la recherche fondamentale à la médecine. Au moment où l'on célèbre le décryptage du génome humain, surgissent les premières guérisons par la…