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Software Product Line Engineering Foundations Principles And Techniques

A key aspect of variability management in software product families is the explicit representation of the variability. Experiences at several industrial software development companies have shown that a software variability model should do four things: (1) uniformly represent variation points as first-class entities in all abstraction layers (ranging from features to code), (2) allow for the hierarchical organization of the variability, (3) allow for the first-class representation of simple (i.e., one-to-one) and complex (i.e., n-to-m) dependencies, and (4) allow for modeling the relations between dependencies. Existing variability modeling approaches support the first two requirements, but lack support for the latter two. The contribution of this paper is a framework for variability modeling-COVAMOF-that provides support for all four requirements.

COVAMOF: A framework for modeling variability in software product families

Engineering context-aware systems and applications

Human-Centred Design

Taxonomy of Cross-Platform Mobile Applications Development Approaches

This paper reports on the lessons learnt during the application of a methodology to develop intelligent environments. One important feature of the methodology is that of being strongly user-centred, and the authors report on how that interaction with users took place and how it continuously shaped our project aspirations and outcomes. The methodology was applied to a project which aimed at helping people with Down’s Syndrome and those with similar conditions and needs, to be more included in society. The project was developed by a consortium of commercial, academic, and end user supporting organizations. The paper elaborates on what type of stakeholders engaging activities were considered and how these were distributed along the lifetime of the project and their impact.

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The user-centred intelligent environments development process as a guide to co-create smart technology for people with special needs

There is increasing interest in establishing a presence in the mobile application market, with platforms including Apple iPhone, Google Android and Microsoft Windows Mobile. Because of the differences in platform languages, frameworks, and device hardware, development of an application for more than one platform can be a difficult task. In this paper we address this problem by the creation of a mobile Domain Specific Language (DSL). Domain analysis was carried out using two case studies, inferring basic requirements of the language. The paper further introduces the language calculus definition and provides discussion how it fits the domain analysis, and any issues found in our approach.

/pdf/mobdsl-a-domain-specific-language-for-multiple-mobile-uydbrzyucl.pdf

MobDSL: A Domain Specific Language for multiple mobile platform deployment

Smart phones show increasing capabilities for context-aware applications. The development of such applications involves implementation of mechanisms for context acquisition and context adaptation. To facilitate efficient use of the device's resources and avoid monitoring the same context changes from multiple points, it is necessary that applications share the context acquisition mechanism. In this paper, we intend to develop a generic context acquisition engine which is capable of context capturing, composition and broadcasting. By deploying the engine on a mobile device, context changes are monitored from single point and disseminated to various context aware applications running on the same device. As a proof of concept, the context acquisition engine has been implemented on the Android platform.

/pdf/an-extensible-self-contained-layered-approach-to-context-1o2hi8wrmj.pdf

An extensible, self contained, layered approach to context acquisition

People with cognitive disabilities are often socially excluded. We propose a system based on Virtual and Augmented Reality that has the potential to act as an educational and support tool in everyday tasks for people with cognitive disabilities. Our solution consists of two components: the first that enables users to train for several essential quotidian activities and the second that is meant to offer real time guidance feedback for immediate support. In order to illustrate the functionality of our proposed system, we chose to train and support navigation skills. Thus, we conducted a preliminary study on people with Down Syndrome (DS) based on a navigation task. Our experiment was aimed at evaluating the visual and spatial perception of people with DS when interacting with different elements of our system. We provide a preliminary evaluation that illustrates how people with DS perceive different landmarks and types of visual feedback, in static images and videos. Although we focused our study on people with DS, people with different cognitive disabilities could also benefit from the features of our solution. This analysis is mandatory in the design of a virtual intelligent system with several functionalities that aims at helping disabled people in developing basic knowledge in every day tasks.

/pdf/assessing-real-world-imagery-in-virtual-environments-for-4cajwvbm1w.pdf

Assessing Real World Imagery in Virtual Environments for People with Cognitive Disabilities

The notion of Context has been considered for a long time in different areas of Computer Science. This article considers the use of context-based reasoning from the earlier perspective of AI as well as the newer developments in Ubiquitous Computing. Both communities have been somehow interested in the potential of context-reasoning to support real-time meaningful reactions from systems. We explain how the concept evolved in each of these different approaches. We found initially each of them considered this topic quite independently and separated from each other, however latest developments have started to show signs of cross-fertilization amongst these areas. The aim of our survey is to provide an understanding on the way context and context-reasoning were approached, to show that work in each area is complementary, and to highlight there are positive synergies arising amongst them. The overarching goal of this article is to encourage further and longer-term synergies between those interested in further understanding and using context-based reasoning.

/pdf/a-survey-on-the-evolution-of-the-notion-of-context-awareness-4faqdh5cfy.pdf

Dean Kramer

Papers

The user-centred intelligent environments development process as a guide to co-create smart technology for people with special needs

MobDSL: A Domain Specific Language for multiple mobile platform deployment

An extensible, self contained, layered approach to context acquisition

Assessing Real World Imagery in Virtual Environments for People with Cognitive Disabilities

A survey on the evolution of the notion of context-awareness