The paper is a case study of customer-initiated software product development. We have observed and participated in system development activities in a commercial software house (company) over a period of two years. The company produces project-planning tools for the oil and gas industry, and relies on interaction with customers for further development of its products. Our main research question ...

This paper discusses and describes how simulated user scenarios can be created and used in the front end of maritime innovation processes. The paper introduces the use of game engines as design tool to create dynamic scenario environments that are used as means to facilitate interdisciplinary collaboration between users and actors in a design process. The goal of the research was to see if it i...

Many studies simulates the machining process by using a single degree of freedom springmass sytem to model the tool stiffness, or the workpiece stiffness, or the unit toolworkpiece stiffness in modelings 2D. Others impose the tool action, or use more or less complex modelings of the efforts applied by the tool taking account the tool geometry. Thus, all these models remain two-dimensional or so...

Incorporating concepts and methods for understanding user needs and reflecting them in product development is a critical factor for building competitive advantage in an increasingly complex market and technological environment. In order to effectively respond to this complexity, the concepts of platformbased product development and mass customization have been introduced in some industries. Eff...

In this paper, we argue that the design of New Interfaces for Musical Expression has much to gain from the study of interaction in ensemble laptop performance contexts using ethnographic techniques. Inspired by recent third-stream research in the field of human computer interaction, we describe a recent ethnomethodologically-informed study of the Birmingham Laptop Ensemble (BiLE), and detail ou...

The paper shows that there is no finite set of forbidden minors which characterizes classes of independence models that are representable by Gaussian, discrete and binary distributions, respectively. In addition, a way to prove the nonexistence of a finite characterization for any other class of independence models is suggested. MSC 2000: 60A99, 68T30, 94A15

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