Libraries of learning objects may serve as basis for deriving course offerings that are customized to the needs of different learning communities or even individuals. Several ways...
— Nonholonomic mobile robots are characterized by no-slip constraints. However, in many practical situations, slips are inevitable. In this work, we develop a theoretical and sys...
This paper presents a new method for visualizing and navigating huge graphs. The main feature of this method is that it applies Level-Of-Detail (LOD) strategy to graph visualizati...
An issue central to the navigation problem is memory. Traditional systems build symbolic maps of the world for navigational reference. Reactive methods, in contrast, eliminate or m...
A computational cognitive model of Web navigation is a working computer system that simulates human users searching for items in a Web site. A fully working model must automate asp...