purpose: to determine the musculoskeletal complaints associated with using computer and its   ergonomic risks for office workers of a medical sciences university in tehran.   materials and methods: in this cross-sectional study, a background questionnaire was used   to determine individuals and computer use habits’ characteristics. a total number of 164 office   workers of aja university of med...

The visionary goal of an easy to use service robot implies some key features like spatial cognition, speech understanding and object recognition. Therefore such a system needs techniques to identify objects in scenes, i.e. to assign the natural category (e.g. ”door”, ”chair”, ”table”) to new objects based on their prototypical geometry. Our approach uses 212 D laser range data to recognize basi...

We report the latest efforts of the Writing in the Context of Knowledge (WiCK) project in investigating the use of Semantic Web technologies in a business-type environment, where authors create and re-use knowledge-rich documents. To date, we have integrated an established commercial off-the-shelf office production environment with knowledge Web services to assist authors in carrying out tasks ...

A virtual environment supporting communication and cooperation can increase both the effectiveness and the acceptance of multi-user applications. This paper describes the basic concepts as well as a prototypical implementation of such an environment based on a virtual office metaphor. Users, rooms, and documents are modelled in a rather abstract way, providing an intuitive but not necessarily r...