Activity theory is based on theconcept of tools mediating between subjects andobjects. In
this theory, an individual'screative interaction with his or hersurroundings can result in the …

In this paper, we describe two explorations in the use of hybrid user interfaces for
collaborative geographic data visualization. Our first interface combines three technologies …

The current paper presents a study on the subjective evaluation of an advanced
telecommunication platform aimed at informal home use, called the PhotoShare tele …

The authors present an analysis of communication behavior in face-to-face collaboration
using a multi-user augmented reality (AR) interface. 2 experiments were conducted. In the …

Mixed Reality (MR) aims to create user interfaces where interactive virtual objects are
overlaid on the physical environment, naturally blending with it in real time. In this paper we …

This paper describes TinkerSheets, a paper-based interface to tangible simulations. The
proposed interface combines the advantages of form-based input and paper. Form-based …

In this paper, human interaction with embedded or ubiquitous technology is considered. The
techniques focus on the use of what might be termed “everyday” objects and actions as a …

The technology of augmented reality (AR), as a new user interface, introduces a completely
new perspective for the design of technical manufacturing systems. This technique supports …

This paper describes an extension to Ullmer and Ishii's TUI-categorization [41]. The reason
for adding new categories is based on their omission of their associative TUIs and our work …

In den Jahren der Arbeit an dieser Dissertation haben viele Menschen direkt oder indirekt zu
ihrem Fortgang beigetragen, durch Diskussion, Anregungen, wichtige Fragen …