: In computer-aided design, geometric modeling by constraints enables users to describe shapes by relationships called constraints between geometric elements. The problem is to der...
This paper presents a novel technique for exploring and navigating large hierarchies, not restricted to trees but to directed acyclic graphs (dags). The technique combines two dif...
City models have become central elements for visually communicating spatial information related to urban areas and have manifold applications. Our real-time orealistic rendering t...
An Augmented Virtual Environment (AVE) fuses dynamic imagery with 3D models. The AVE provides a unique approach to visualize and comprehend multiple streams of temporal data or im...
Ulrich Neumann, Suya You, Jinhui Hu, Bolan Jiang, ...
Topic Maps provide a bridge between the domains of knowledge representation and information management by building a structured semantic network above information resources. Our r...