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CAI Tables of Contents: 06

Proceedings of the International Workshop in Conjunction with AVI 2006 on Context in Advanced Interfaces

Fullname:CAI'06 Proceedings of the international workshop in conjunction with AVI 2006 on Context in Advanced Interfaces
Editors:Kris Mihalic
Location:Venice, Italy
Standard No:ACM DL: Table of Contents hcibib: CAI06
Links:Conference Home Page
Collaborating in context: immersive visualisation environments BIBAKFull-Text 13-16
  Ross Shannon; Aaron Quigley; Paddy Nixon
As visualizations of large systems get more and more complex, larger collaborative spaces are required so that a team of designers may work together while visualising their system. This paper describes the outfitting of a room to turn it into an immersive visualisation environment. The environment consists of large display areas, onto which are projected high resolution visualisations of software systems. Specialised hardware allows the environment to support multiple concurrent users, who are encouraged to collaborate on team-based tasks and interact with the environment using novel interaction metaphors. We will describe applications that demonstrate the efficacy of this new approach to collaboration.
Keywords: computer-supported cooperative work, information visualisation, visual interaction, visual interface design
In context of business BIBAFull-Text 17-18
  Joerg Beringer
Context-awareness is usually focused on understanding the state of the user derived from system-external sensor information like location, noise, surrounding devices, etc. This information is used to understand user needs or temporal constraints which the systems has to adapt to.
   In business scenarios, context is to a large extent also represented within the system and adds to the understanding of the current situation. With the emergence of smart devices and embedded systems, context will not be just the sum of sensors but will evolve out of the interaction of various smart devices.
Input interactions and context component based modelisations: differences and similarities BIBAKFull-Text 19-22
  Diane Lingrand; Michel Riveill
Since several years, ubiquitous computing and pervasive computing has emerged and, in particular, context-aware computing. Using mobile devices, the context is perpetually evolving, more than with standard workstation. In such environment, software must modify its behavior dynamically. An emerging way of programming an adaptive software is component programming.
   The focus of this paper is to review existing component approaches for input devices and for context especially those that consider component modeling. We aim at determining the similarities and differences between context and input devices in order to propose further a common component model architecture that will help building such intelligent applications.
Keywords: context, human computer interaction
Intelligent context-sensitive interactions on desktop and the web BIBAKFull-Text 23-27
  Alan Dix; Tiziana Catarci; Benjamin Habegger; Yannis Ioannidis; Azrina Kamaruddin; Akrivi Katifori; Giorgos Lepouras; Antonella Poggi; Devina Ramduny-Ellis
In this paper we describe briefly three systems: onCue a desktop internet-access toolbar, Snip!t a web-based bookmarking application and ontoPIM an ontology-based personal task-management system. These embody context issues to differing degrees, and we use them to exemplify more general issues concerning the use of contextual information in 'intelligent' interfaces. We look at issues relating to interaction and 'appropriate intelligence', at different types of context that arise and at architectural lessons we have learnt. We also highlight outstanding problems, in particular the need to computationally describe and communicate context where reasoning and inference is distributed.
Keywords: context, dynamic interaction, human computer interaction, intelligent interfaces, natural interaction, user experience
LCARS: the next generation programming context BIBAKFull-Text 29-31
  Andreas Heil; Iman Moradi; Torben Weis
In this paper, we present a high-level graphical language to develop pervasive applications based on a unique interface design. The language supports a wide range of programming constructs. Its graphical notation is based on the LCARS design, which is appealing to different target groups, based on their specific interests and requirements. We show that users can easily create pervasive applications using an LCARS-based user interface. The first step is to describe the technical context in which the application will execute. Based on this technical context, the UI offers a context-specific set of visual primitives. By composing these visual primitives on the screen, the user can specify the behavior of the application.
Keywords: VRDK, context, model-driven software engineering, robots, ubiquitous computing, visual programming languages
Learning and managing user context in personalized communications services BIBAKFull-Text 33-36
  Robert Dinoff; Richard Hull; Bharat Kumar; Daniel Lieuwen; Paulo Santos
A key dimension in personalization of converged (wireless and wireline, web) communication services is adapting each service to a user's context, and thus tailoring the services to the daily lives of individual users. The Intuitive Network Application (INA) framework being developed at Bell Labs uses both machine learning techniques as well as user feedback to determine a user's profile and preferences. This paper explores how this information can then be used by the network to automatically infer a user's context and to tailor the service behavior to the needs of the user in that context.
Keywords: context, learning, personalization, preference palettes, preferences, privacy
Model of primary and secondary context BIBAKFull-Text 37-38
  Erika Reponen; Kristijan Mihalic
We propose a model of primary and secondary context to help analyse the user in context with mobile devices. We clarify the model and discuss how it can be used to define context and to understand what user needs arise in different situations. While we have used the model to analyse mobile video communication, the approach is general enough to be applied to other areas of communication as well.
Keywords: communication, context, mobile phones, privacy, publishing, video phones
Modelling "user understanding" in simple communication tasks BIBAKFull-Text 39-43
  Heimo Müller; Fritz Wiesinger
We present an architectural model for adaptive interfaces based on eye-gaze patterns and facial expression analysis. In our approach, each basic visual sign can adapt its appearance and level of detail during the communication process. Atomic Communication Units (ACUs) -- analogous to graphical output primitives -- encapsulate the intended denotation, the encoding of the message and a method for the judgment of the communication goal. We have analyzed feedback cycles in human-human communication tasks, and propose applications scenarios for ACUs.
Keywords: adaptive interfaces, eye-gaze patterns, mental models, visual language
Privacy-aware user interfaces within collaborative environments BIBAKFull-Text 45-48
  Elke Franz; Katja Liesebach; Katrin Borcea-Pfitzmann
The main focus of this paper is to discuss the representation of contextual information in advanced user interfaces supporting privacy awareness. Thereby, we especially consider collaborative environments which potentially provide information about users to everybody acting in the system. Users can apply Privacy-Enhancing Identity Management (PIM) in order to control which information they disclose to whom in which situation. However, since PIM must be done additionally to the actual tasks within the application, it is questionable whether users will reasonably utilize it. Therefore, a privacy-aware user interface is an important prerequisite for the broad acceptance and adequate use of PIM. We discuss which contextual information should be represented in a collaborative environment and suggest a possible representation of the selected information.
Keywords: collaborative environments, partial identities, privacy-aware user interface, privacy-enhancing identity management, visualization
Sticky, smelly, smoky context: experience design in the kitchen BIBAKFull-Text 49-52
  Lucia Terrenghi
In this position paper I reflect on the challenges to design, set up and evaluate a user experience in hybrid contexts, i.e., physical and digital ones, of everyday life.
Keywords: computer supported collaborative cooking, evaluation, human computer interaction, ubiquitous computing, user experience
Towards a general purpose user interface for service-oriented context-aware applications BIBAKFull-Text 53-55
  Torben Weis; Martin Saternus; Mirko Knoll; Alexander Brändle; Marco Combetto
Today context-aware applications are isolated systems designed for a special scenario. There is no way to combine different applications, which is common practice with desktop applications since years. For example, the airline knows when your plane leaves, your PDA knows your GPS position, VirtualEarth knows how long you need to the airport, and another service can order a taxi to your current position. When you manage to combine these services, you will get informed when you must go to the airport and a taxi is ordered to your current position. Thus, in the future we need to federate context-data retrieved from different sources and services on the internet. This imposes several challenges: (1) We need an architecture that allows us to federate these services and to communicate with the users. (2) We need tools that allow programmers to quickly implement and deploy services on the network to generate a grass-roots movement. (3) We need a general purpose user-interface for such applications that allows users to deal with context-data and interact with context-aware services. In this paper we sketch our architecture for service-oriented context-aware applications. Based on this architecture we develop a general purpose user interface which is a collage of instant messenger, roadmap, and web browser. In this paper, we describe the formatting requirements for the CHI Conference and offer a number of suggestions on writing style for the worldwide CHI readership.
Keywords: context, human computer interaction, ubiquitous computing