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The mobile Oracle: a tool for early user involvement

This paper describes a novel tool for eliciting user requirements early in the design process of mobile applications. The "Mobile Oracle", as we have called it, is intended to help developers and designers obtain a better understanding of what the user wants at different points in space and time. It is an extension of a lo-fi version of the well-established Wizard of Oz technique, but it adds an "

Ultrasonic beadtrapping for bioassays

This paper proposes a new dynamic mode of generating bioanalytical arrays based on ultrasonic trapping of microbeads in microfluidic systems. As compared to disposable glass slide microarrays, the proposed technology utilises exchangeable microbeads as the solid phase on which bioassays are performed. The use of microbeads in biochemical analysis is advantageous due to the increased surface area a

Multicast routing for ad hoc networks with overload prevention for group members

Mobility, quality of service (QoS) support, and multicast routing capability are important requirements for today’s networks. This is a result of the changes in wireless users’ expectations, which favour group-oriented, high-quality, multimedia communication. Ad hoc networks enhanced with QoS multicasting strategies can provide users with these features. This paper defines the building blocks of a

New Results on Triangulation, Polynomial Equation Solving and Their Application in Global Localization

This thesis addresses the problem of global localization from images. The overall goal is to find the location and the direction of a camera given an image taken with the camera relative a 3D world model. In order to solve the problem several subproblems have to be handled. The two main steps for constructing a system for global localization consist of model building and localization. For the mode