Each structured document can be represented by means of XML and an associated DTD. The goal of this article is to present a formal model of a structured document, and to make a representation of a document described by the model with a conceptual graph and a related DTD.

Introduction: Graph theoretical analysis of functional Magnetic Resonance Imaging (fMRI) data has provided new measures of mapping human brain in vivo. Of all methods to measure the functional connectivity between regions, Linear Correlation (LC) calculation of activity time series of the brain regions as a linear measure is considered the most ubiquitous one. The strength of the dependence obl...

Combinatorial algorithms in general and graph particular play a critical enabling role numerous scientific applications. However, the irregular memory access nature of these makes them one hardest algorithmic kernels to implement on parallel systems. With tens billions hardware threads deep hierarchies, exascale computing systems pose extreme challenges scaling algorithms. The codesign center c...

let $r$ be a commutative ring with identity. let $g(r)$ denote the maximal graph associated to $r$, i.e., $g(r)$ is a graph with vertices as the elements of $r$, where two distinct vertices $a$ and $b$ are adjacent if and only if there is a maximal ideal of $r$ containing both. let $gamma(r)$ denote the restriction of $g(r)$ to non-unit elements of $r$. in this paper we study the various graphi...