Adaptation has long been considered as the Achilles’ heel of case-based reasoning since it requires some domain-specific knowledge that is difficult to acquire. In this paper, two strategies are combined in order to reduce the knowledge engineering cost induced by the adaptation knowledge (AK) acquisition task: AK is learned from the case base by the means of knowledge discovery techniques, and...

floodplain: patterns of recruitment, disease and succession Dana R. Nossov*, Teresa N. Hollingsworth, Roger W. Ruess and Knut Kielland Institute of Arctic Biology, University of Alaska Fairbanks, PO Box 757000, Fairbanks, AK 99775, USA; Boreal Ecology Cooperative Research Unit, University of Alaska Fairbanks, PO Box 756780, Fairbanks, AK 99775, USA; and Boreal Ecology Cooperative Research Unit,...

Bernhardt, E. L. ([email protected]) & Chapin, F. S. III. ([email protected]): Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK 99775, USA Hollingsworth, T. N. (corresponding author, [email protected]): USDA Forest Service, Pacific Northwest Research Station, Boreal Ecology Cooperative Research Unit, P.O. Box 756780, University Of Alaska Fairbanks, Fai...

This paper presents an interactive visualization tool, Archimedean Kaleidoscope (AK), aimed at supporting learner’s exploration of polyhedra. AK uses metamorphosis as a technique to help support the learner’s mental construction of relationships among different polyhedra. AK uses the symmetric nature of the Platonic solids as the foundation for exploring the way in which polyhedra are related. ...

Objective—In this article, we studied the effect of acetyl-11-keto-boswellic acid (AK BA), a natural inhibitor of the proinflammatory transcription factor NFB on the development of atherosclerotic lesions in apolipoprotein E–deficient (apoE / ) mice. Methods and Results—Atherosclerotic lesions were induced by weekly LPS injection in apoE / mice. LPS alone increased atherosclerotic lesion size b...

OBJECTIVE To validate dermoscopy as a real-time noninvasive diagnostic imaging technique for actinic keratosis (AK). DESIGN Prospective study to validate a diagnostic test. SETTING Dermatology department of a tertiary university hospital in Fuenlabrada, Madrid, Spain. PATIENTS A total of 178 patients with a clinical diagnosis of AK participated in the study. MAIN OUTCOME MEASURES An ind...

— Our model of computation is a parallel computer with k synchronized processors Pu . . . , Pk sharing a common random access storage, where simultaneous access to the same storage location by two or more processors is not allowed. Suppose a 2-3 tree Twith n leaves is implemented in the storage, suppose au ..., ak are data that may or may not be stored in the leaves, suppose ö! ̂ . . . ^ak and f...

In an effort to characterize the ligand that is bound by T helper lymphocyte antigen receptors, we have begun to identify class II polymorphic residues that comprise part of the allospecific TCR binding sites. Site-directed mutagenesis was used to construct mutant Ak beta (Ak beta*) genes that encode polypeptides into which single or multiple residues of the Ad beta polypeptide have been substi...

For given positive integers a1,a2,⋯,ak with gcd(a1,a2,⋯,ak)=1, the denumerant d(n)=d(n;a1,a2,⋯,ak) is number of nonnegative solutions (x1,x2,⋯,xk) linear equation a1x1+a2x2+⋯+akxk=n for a integer n. p, let Sp=Sp(a1,a2,⋯,ak) be set all n’s such that d(n)>p. In this paper, by introducing p-numerical semigroup, where N0\Sp finite, we give explicit formulas p-Frobenius number, which maximum N0\S...

Acanthamoeba keratitis (AK) is a rare but sight-threatening disease caused by pathogenic species of Acanthamoeba. Despite its ubiquitous nature, the incidence of AK is relatively low compared to other forms of infectious keratitis. Although contact lens wear is a major risk factor, exposure to contaminated water and ocular trauma are also associated with AK. Once a patient develops AK the progn...