In this paper, a State-Based Dynamic Transportation Network (SBDTN) model is presented, which can be used to describe the spatiotemporal aspect of temporally variable transportatio...
As new semantic web standards evolve to allow quantified rules in FOL, we need new ways to capture them from end users. We show how to do this against a graphic view of entities an...
Events play an important role in the construction of most software that involves interaction or simulation. Typically, programmers make use of a fixed set of low level events supp...
Many on-line (interactive) mathematics recognition systems allow the creation of typeset equations, normally in LaTeX, but they do not support mathematical problem solving. In thi...
George Labahn, Edward Lank, Scott MacLean, Mirette...
This paper considers the theory of database queries on the complex value data model with external functions. Motivated by concerns regarding query evaluation, we first identify re...