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Demosthenes Akoumianakis

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Has also published under the name of:
"D. Akoumianakis"


Current place of employment:
Technological Education Institution of Crete

Demosthenes Akoumianakis is an Associate Professor at the Technological Education Institution of Crete, School of Technological Applications, Department of Applied Informatics & Multimedia.

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Publications by Demosthenes Akoumianakis (bibliography)

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» 2007 «

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Akoumianakis, Demosthenes, Vidakis, Nikolas, Vellis, George, Milolidakis, Giannis and Kotsalis, Dimitrios (2007): Experience-Based Social and Collaborative Performance in an 'Electronic Village' of Local Interest: The EKONES Framework. In: Cardoso, Jorge, Cordeiro, José and Filipe, Joaquim (eds.) ICEIS 2007 - Proceedings of the Ninth International Conference on Enterprise Information Systems Volume HCI June 12-16, 2007, Funchal, Portugal. pp. 117-122.

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Alexandraki, Chrisoula, Koutlemanis, Panayotis, Gasteratos, Petros, Akoumianakis, Demosthenes, Milolidakis, Giannis, Vellis, George and Kotsalis, Dimitrios (2007): DIAMOUSES - An Experimental Platform for Network-based Collaborative Musical Interactions. In: Cordeiro, José and Filipe, Joaquim (eds.) ICEIS 2008 - Proceedings of the Tenth International Conference on Enterprise Information Systems Volume HCI June 12-16, 2007, Barcelona, Spain. pp. 30-37.

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Akoumianakis, Demosthenes, Milolidakis, Giannis, Kotsalis, Dimitrios and Vellis, George (2007): Generic Strategies for Manipulating Graphical Interaction Objects: Augmenting, Expanding and Integrating Components. In: Cordeiro, José and Filipe, Joaquim (eds.) ICEIS 2008 - Proceedings of the Tenth International Conference on Enterprise Information Systems Volume HCI June 12-16, 2007, Barcelona, Spain. pp. 21-29.

» 2003 «

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Akoumianakis, Demosthenes and Stephanidis, Constantine (2003): Blending scenarios of use and informal argumentation to facilitate universal access: experience with the Universal Access Assessment Workshop method. In Behaviour and Information Technology, 22 (4) pp. 227-244

The accessibility of interactive computer-based products and services has long been an issue of concern to the Assistive Technology (AT) and Human-Computer Interaction (HCI) communities. In recent years, there have been several efforts aiming to document the consolidated wisdom in the form of general guidelines and examples of best practice. Despite their sound human factors content, these guidelines require substantial interpretation by designers, before they can generate practically useful and context-specific recommendations. In this paper, we examine how this task can be aided by blending scenarios of use and informal argumentation in the context of a structured technique referred to as Universal Access Assessment Workshop (UA{sup:2}W). The paper provides a review of the technique and proposes two instruments, namely scenario screening and growth scenarios, which can be used to structure the conduct of UA{sup:2}Ws. Finally, the paper summarises recent experiences in the use of these techniques in the context of a case study, which seeks to provide universal access insight to the design of a ward-based service to patient medical data.

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Akoumianakis, Demosthenes and Stephanidis, Constantine (2003): A Validated Code of Practice for Universal Access in Health Telematics. In: Proceedings of the Tenth International Conference on Human-Computer Interaction 2003. pp. 1063-1067.

» 2002 «

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Akoumianakis, Demosthenes and Stephanidis, Constantine (2002): Scenario-Based Argumentation for Universal Access. In: Carbonell, Noelle and Stephanidis, Constantine (eds.) Proceedings of the 7th ERCIM Workshop on User Interfaces for All October 23-25, 2002, Paris, France. pp. 118-128.

We present two analytical techniques, namely scenario screening and growth scenarios, for engineering universal access into interactive applications and services. The techniques are intended to bridge across design reflection and envisioning of new practices through use cases. They foster an exploratory approach to design, progressively leading to an understanding of the global execution context of tasks, thus towards universal access. In this paper, we elaborate on the rationale and basic concepts behind scenario screening and growth scenarios, and discuss their application in a small case study in the domain of Health Telematics.

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Karampelas, P., Akoumianakis, Demosthenes and Stephanidis, Constantine (2002): User Interface Design for PDAs: Lessons and Experience with the WARD-IN-HAND Prototype. In: Carbonell, Noelle and Stephanidis, Constantine (eds.) Proceedings of the 7th ERCIM Workshop on User Interfaces for All October 23-25, 2002, Paris, France. pp. 474-485.

This paper describes the process and outcomes of the evaluation of a user interface prototype running on a Personal Digital Assistant (PDA). The prototype was developed in the context of the IST-funded project WARD-IN-HAND and implements a PDA version of a ward information system. The evaluation, carried out by the IS4ALL project, was based on a usage scenario comprising mock-ups and textual descriptions of the typical tasks of the system. Although the evaluation revealed a range of usability issues to be addressed, in this paper we consider only those which feature prominent in the vast majority of PDA-based applications, such as adaptability, individualisation, user profiling, alternative dialogue styles, localisation, etc., and propose design solutions of general purpose, as a basis for improved design practice.

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Stephanidis, Constantine and Akoumianakis, Demosthenes (2002): Towards a design code of practice for universal access in health telematics. In Universal Access in the Information Society, 1 (3) pp. 223-226

This paper presents a brief overview of the European Commission funded Thematic Network (Working Group) "Information Society for All"-IS4ALL (IST-1999-14101). IS4ALL aims to establish a wide, interdisciplinary and closely collaborating network of experts to provide the European Health Telematics industry with a comprehensive code of practice on how to appropriate the benefits of universal design. This paper outlines the project's main objectives and technical approach in the context of universal access.

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» 2001 «

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Akoumianakis, Demosthenes and Stephanidis, Constantine (2001): Computational Environments for Organisational Learning. In: Proceedings of the Ninth International Conference on Human-Computer Interaction 2001. pp. 306-309.

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Stephanidis, Constantine, Akoumianakis, Demosthenes and Savidis, Anthony (2001): Accessibility guidelines: current status and future prospects in standardization. In: Stephanidis, Constantine (ed.) HCI International 2001 - Proceedings of the 9th International Conference on Human-Computer Interaction August 5-10, 2001, New Orleans, USA. pp. 622-626.

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Akoumianakis, Demosthenes and Stephanidis, Constantine (2001): Re-thinking HCI in terms of universal design. In: Stephanidis, Constantine (ed.) HCI International 2001 - Proceedings of the 9th International Conference on Human-Computer Interaction August 5-10, 2001, New Orleans, USA. pp. 8-12.

» 2000 «

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Grammenos, D., Akoumianakis, Demosthenes and Stephanidis, Constantine (2000): Integrated Support for Working with Guidelines: The Sherlock Guideline Management System. In Interacting with Computers, 12 (3) pp. 281-311

For a number of years, the primary medium for propagating human factors input to interactive system development has been paper-based guideline reference manuals. However, in the recent past, a number of tools for working with guidelines have emerged to ease the tasks of: (i) accessing and retrieving guidelines, (ii) applying recommendations to design prototypes, and (iii) facilitating a more effective human factors input to the early stages of system development. This paper presents a new way for working with guidelines and discusses the functionality, properties, typical use and evaluation of a supporting tool environment, the Sherlock Guideline Management System. Sherlock builds upon and extends the results of previous efforts to address state of the art requirements and problems, as highlighted by recent practice and experience in the use of the current generation of guideline management systems. In particular, Sherlock provides an integrated environment for articulating and depositing guidelines, accessing past experience, propagating guidelines/recommendations to the user interface development life-cycle, and facilitating the automatic usability inspection of tentative design. Thus, Sherlock fosters persistency of organisational knowledge on guidelines and evolution of the accumulated design wisdom.

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Akoumianakis, Demosthenes, Savidis, Anthony and Stephanidis, Constantine (2000): Encapsulating Intelligent Interactive Behaviour in Unified User Interface Artefacts. In Interacting with Computers, 12 (4) pp. 383-408

Intelligence at the level of the user interface is currently being supported through a number of prevalent strands, including adaptive user interfaces, model-based user interface development and interface agents. Moreover, the term intelligent user interface typically implies the notion of dynamically enhancing the interaction with a single implemented artefact to suit different usage patterns, user groups, or contexts of use. This article extends this notion and describes how unified design artefacts can support the development of accessible and high quality user interfaces exhibiting the characteristics of multiple metaphor environments. To this effect, the article outlines the principles of unified user interface development and discusses how it can be used to advance Intelligent Interface Technology to account for diverse user requirements and interaction contexts.

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» 1999 «

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Stephanidis, Constantine and Akoumianakis, Demosthenes (1999): Accessibility Guidelines and Scope of Formative HCI Design Input: Contrasting Two Perspectives. In: Kobsa, Alfred and Stephanidis, Constantine (eds.) Proceedings of the 5th ERCIM Workshop on User Interfaces for All November 28 - December 1, 1999, Dagstuhl, Germany. p. 11. Available online

The accessibility of interactive computer-based products and services has long been an issue of concern to both the Assistive Technology and HCI communities. Though progress has been slow, there have been several efforts aiming to document the consolidated wisdom in the form of general guidelines and examples of best practice. Despite their sound human factors content, these guidelines require substantial interpretation by designers before they can generate practically useful and context-specific recommendations. In this paper, we examine how different engineering perspectives in the implementation of guidelines may influence the quality of the final products.

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Savidis, Anthony, Akoumianakis, Demosthenes and Stephanidis, Constantine (1999): Unified user interfaces: from design to implementation. In: 1999. pp. 782-786.

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Akoumianakis, Demosthenes, Sfyrakis, M., Paramythis, A. and Stephanidis, Constantine (1999): Universal accessibility: process-oriented design guidelines. In: 1999. pp. 807-811.

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Antona, M., Akoumianakis, Demosthenes and Stephanidis, Constantine (1999): A grammar-based approach for populating HCI design spaces. In: 1999. pp. 843-847.

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Stephanidis, Constantine, Salvendy, Gavriel, Elimiliani, P. L. and Akoumianakis, Demosthenes (1999): Policy perspectives on "design for all". In: 1999. pp. 868-872.

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Grammenos, Dimitris, Akoumianakis, Demosthenes and Stephanidis, Constantine (1999): Support for Iterative User Interface Prototyping: The Sherlock Guideline Management System. In: Chatty, Stephane and Dewan, Prasun (eds.) Engineering for Human-Computer Interaction, IFIP TC2/TC13 WG2.7/WG13.4 Seventh Working Conference on Engineering for Human-Computer Interaction September 14-18, 1999, Heraklion, Crete, Greece. pp. 299-317.

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Stephanidis, Constantine, Grammenos, Dimitris and Akoumianakis, Demosthenes (1999): Embedding HCI guideline input to iterative user interface development. In: Bullinger, Hans-Jörg (ed.) HCI International 1999 - Proceedings of the 8th International Conference on Human-Computer Interaction August 22-26, 1999, Munich, Germany. pp. 978-982.

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Stephanidis, Constantine, Salvendy, Gavriel, Emiliani, Pier Luigi and Akoumianakis, Demosthenes (1999): Policy perspectives on "design for all. In: Bullinger, Hans-Jörg and Ziegler, Jürgen (eds.) HCI International 1999 - Proceedings of the 8th International Conference on Human-Computer Interaction - Volume 2 August 22-26, 1999, Munich, Germany. pp. 868-872.

» 1998 «

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Stephanidis, Constantine, Paramythis, Alexandros, Akoumianakis, Demosthenes and Sfyrakis, Michael (1998): Self-Adapting Web-based Systems: Towards Universal Accessibility. In: Stephanidis, Constantine and Waern, Annika (eds.) Proceedings of the 4th ERCIM Workshop on User Interfaces for All October 19-21, 1998, Stockholm, Sweden. p. 17. Available online

This paper discusses the employment of self-adaptation techniques in WWW-based interactive systems, as a tool for ensuring their universal accessibility. The paper first elaborates on the underpinnings of universal accessibility and their relevance to Web applications and services. Then it provides a contextual definition of self-adapting systems and an account of how self-adaptation relates to accessibility. Subsequently, different adaptation approaches that may be employed on the Web are presented, as well as their potential correlation to accessibility solutions. Finally, the application of some of the proposed approaches in the development of Web-based information systems is presented.

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Stephanidis, Constantine, Akoumianakis, Demosthenes, Sfyrakis, Michael and Paramythis, Alexandros (1998): Universal Accessibility in HCI: Process-Oriented Design Guidelines and Tool Requirements. In: Stephanidis, Constantine and Waern, Annika (eds.) Proceedings of the 4th ERCIM Workshop on User Interfaces for All October 19-21, 1998, Stockholm, Sweden. p. 15. Available online

This paper presents a preliminary collection of design-oriented guidelines and development requirements for accessibility and universal design in HCI. The process-oriented guidelines aim to shed light into how a user-centred design process can be conducted, so as to account for the needs and requirements of the broadest possible end user population, including people with disabilities. These guidelines are subsequently translated into key development requirements which should be preserved in user interface development tools in order for them to provide the required support for building user interface software for different users and contexts of use. To this effect, we provide contextual definitions of key terms of reference and an account of related standards. The proposed material does not intend to cover a particular technology. Instead, it aims to formulate a conceptual framework whereby accessibility becomes an integral component of the user interface development life-cycle.

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» 1997 «

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Stephanidis, Constantine and Akoumianakis, Demosthenes (1997): Preference-Based Human Factors Knowledge Repository for Designing User Interfaces. In International Journal of Human-Computer Interaction, 9 (3) pp. 283-318

This article proposes and describes a representational framework and a supporting tool environment for embedding and propagating human factors expertise into high-level user interface design and development platforms. The proposed framework allows user interface designers to elicit, accommodate, and articulate user interface guidelines and results of experimental studies into reusable, evolutionary, and "living" design cases. The building blocks of the representational framework are a set of primitive constructs for consolidating the semantics of human factors knowledge into a design representation that characterizes the physical level of interaction. This is achieved through the development of a logical framework based on preference constraints and an initial set of preference and indifference expressions. The preference constraints provide a reasoning engine and a proof strategy for compiling a preference ordering of competing design alternatives and subsequently aggregating them into indifferent classes of design options per interaction element. The article also reports the implications of the proposed technique for user interface designers and the underlying requirements of user interface development platforms. Finally, the representational sufficiency of the proposed approach is discussed in the context of recent case studies aiming to consolidate human factors knowledge into a reusable repository supporting the ergonomic design of user interfaces in two example application domains, namely nonvisual hypermedia accessible to blind people and interpersonal communication aids for speech-motor-impaired and language-cognitive-impaired users.

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Akoumianakis, Demosthenes and Stephanidis, Constantine (1997): Supporting User-Adapted Interface Design: The USE-IT System. In Interacting with Computers, 9 (1) pp. 73-104

This paper describes USE-IT, a knowledge-based tool for automating the design of interactions at the physical level, so as to ensure accessibility of the target user interface by different user groups, including people with disabilities. To achieve this, USE-IT elicits, manipulates and interprets representations of design knowledge in order to reason about, select and decide upon lexical adaptation constituents of a user interface. Adaptation constituents are attributes of abstract interaction object classes. USE-IT generates a collection of adaptation rules (i.e. a lexical specification scenario), based on design constraints generated from three basic knowledge sources: (a) the user model, (b) the task schema, and (c) a set of platform constraints (i.e. interaction objects, attributes, device availability, etc.). A data structure called the adaptability model tree has been designed to (i) facilitate the development of plausible semantics of adaptation at the lexical level of interaction, (ii) allow unification of design constraints, and (iii) enable selection of maximally preferred design options. The output of USE-IT can be subsequently interpreted by the run-time libraries of a high-level user interface development toolkit, which provides the required implementation support for realizing the user-adapted interface on a target platform.

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Savidis, Anthony, Paramythis, A., Akoumianakis, Demosthenes and Stephanidis, Constantine (1997): Designing User-Adapted Interfaces: The Unified Design Method for Transformable Interactions. In: Proceedings of DIS97: Designing Interactive Systems: Processes, Practices, Methods, & Techniques 1997. pp. 323-334. Available online

In the interface design process, diverse user requirements and characteristics lead to alternative dialogue patterns. User-adapted interfaces, capable of self-adapting to individual end-user requirements, should encompass alternative dialogue components into a single implementation form. The process of designing user-adapted interactive applications necessarily engages the manipulation of alternative design artifacts, while for the implementation process a single design is needed, as opposed to alternative design versions. The unified design method is targeted towards the organization of alternative design artifacts into a single representation structure. Relationships among alternative artifacts in user-adapted design, such as exclusion, compatibility, augmentation and substitution, need to be explicitly represented.

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Akoumianakis, Demosthenes, Stephanidis, Constantine and Salvendy, Gavriel (1997): Interface Design for Disabled People: Eliciting User-Centred Design Constraints. In: Proceedings of the Seventh International Conference on Human-Computer Interaction 1997. pp. 437-440.

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Savidis, Anthony, Akoumianakis, Demosthenes and Stephanidis, Constantine (1997): Software Architecture for Transformable Interface Implementations: Building User-Adapted Interactions. In: Proceedings of the Seventh International Conference on Human-Computer Interaction 1997. pp. 453-456.

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Stephanidis, Constantine, Akoumianakis, Demosthenes, Ziegler, Jürgen and Faehnrich, K. P. (1997): User Interface Accessibility: A Retrospective of Current Standardisation Efforts. In: Proceedings of the Seventh International Conference on Human-Computer Interaction 1997. pp. 469-472.

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Savidis, Anthony, Stephanidis, Constantine and Akoumianakis, Demosthenes (1997): Unifying toolkit programming layers: a multi-purpose toolkit integration module. In: Harrison, Michael D. and Torres, Juan Carlos (eds.) DSV-IS 1997 - Design, Specification and Verification of Interactive Systems97, Proceedings of the Fourth International Eurographics Workshop June 4-6, 1997, Granada, Spain. pp. 177-192.

» 1996 «

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Stephanidis, Constantine and Akoumianakis, Demosthenes (1996): Interaction in an ERCIM Virtual Laboratory. In: Stephanidis, Constantine (ed.) Proceedings of the 2nd ERCIM Workshop on User Interfaces for All November 7-8, 1996, Prague, Czech Republic. p. 2. Available online

The proposed work is concerned with the following developments. First of all, co-operative interface toolkits embodying properties from selected real world metaphors will be developed to facilitate the construction of the multiple metaphor environment. Possible real world metaphors to be examined include the document metaphor, the book metaphor, the card note, the desktop, the rooms metaphor, the television metaphor, the telephone metaphor. Secondly, unified interface specification techniques will be developed for co-operative dialogue processing in the multiple metaphor environment. Thirdly, a metaphor design environment including selection of real world objects and corresponding attributes, as well as mapping to interaction components with suitable look and feel and dynamic behaviour. Fourthly, a methodology will be developed for designing interaction metaphors and embedding them to user interface development and implementation. Finally, on the application site, some of the applications to be developed include a shared file management system for ERCIM papers and documents, point-to-point video conferencing and the ERCIMlab guided tour for visitors.

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Stephanidis, Constantine and Akoumianakis, Demosthenes (1996): ERCIM Collaborative Interaction Design Toolset. In: Stephanidis, Constantine (ed.) Proceedings of the 2nd ERCIM Workshop on User Interfaces for All November 7-8, 1996, Prague, Czech Republic. p. 5. Available online

This position paper aims to present a proposal for collaborative long term research amongst ERCIM members in the context of the current ESPRIT Call on Intelligent Information Interfaces (I{sup:3}). The paper outlines work proposed to be carried out in the context of the Connected Community Schema of ESPRIT Intelligent Information Interfaces initiative. The proposed work is primarily concerned with the way in which a specific community (such as for example the user interface design community within ERCIM as well as other corporate organisational or institutional working communities) may progressively and incrementally consolidate accumulated wisdom into reusable, sharable and expandable knowledge repositories. As an example, we provide a tentative scenario of such a community emphasising core activities, the issues to be addressed and the benefits to be obtained through suitable technology.

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Akoumianakis, Demosthenes, Savidis, Anthony and Stephanidis, Constantine (1996): Design Assistance for User-Adapted Interaction. In: Bodart, Francois and Vanderdonckt, Jean M. (eds.) DSV-IS 1996 - Design, Specification and Verification of Interactive Systems96, Proceedings of the Third International Eurographics Workshop June 5-7, 1996, Namur, Belgium. pp. 248-271.

» 1995 «

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Stephanidis, Constantine, Akoumianakis, Demosthenes and Savidis, Anthony (1995): Design Representations and Development Support for User Interface Adaptation. In: Stephanidis, Constantine (ed.) Proceedings of the 1st ERCIM Workshop on User Interfaces for All October 30-31, 1995, Heraklion, Crete, Greece. p. 23. Available online

With the advent of Graphical User Interfaces (GUIs) and the advances of input/output technologies, there has been a shift of perspective, from user interface programming tools to environments for designing interaction. This is partly attributed to technological maturity and partly due to the increasing requirement to support a need-driven and user-centered protocol for design, development and implementation of interactive systems. This paper investigates the architectural shortcomings of existing user interface development systems and environments with respect to supporting adaptation of a user interface and discusses methods, techniques and tools that are needed to empower user interface designers. In particular, the paper describes a high level architecture comprising user interface software components that can provide the required design, development and implementation support that is needed to facilitate user interfaces for different user groups with diverse requirements abilities and preferences.

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Stephanidis, Constantine, Akoumianakis, Demosthenes and Grammenos, D. (1995): Query Assistance: The Query Interface of the CORE Shell System. In: Proceedings of the Sixth International Conference on Human-Computer Interaction July 9-14, 1995, Tokyo, Japan. pp. 717-722.

This paper presents the user interface of the CORE shell system and reports on the effort to build a Query Interface Assistant (QIA) to a formal database query language such as SQL. The CORE shell system addresses the domain of Assistive Technology and aims to provide a useful tool for information seeking actors who may not be particularly aware of the organisation or structure of data residing on existing information sources. To this end, a cooperative QIA to the SQL formal database query language has been developed, which guides the user's query formulation, both conceptually and syntactically. At present, a prototypical implementation of the QIA is used to provide access to a selected number of databases, which hold data relevant to the Assistive Technology domain.

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Akoumianakis, Demosthenes and Stephanidis, Constantine (1995): User Modelling for Adaptable Interface Design. In: Proceedings of the Sixth International Conference on Human-Computer Interaction July 9-14, 1995, Tokyo, Japan. pp. 1071-1076.

A prototype user modelling module (UMM) has been designed and implemented which supports the automatic derivation of lexical level user interface adaptability rules. UMM is part of a new high level user interface development environment, currently under development, which facilitates the construction of unified interaces for interactive applications, accessible by different user groups, including people with disabilities. UMM supports the acquisition and storage of information about target users and produces a set of rules for adapting the user interface at the lexical level; this comes as a result of a three-phase process, namely reasoning about, selection of, and decision on the optimal interaction techniques and devices.

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» 1994 «

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Akoumianakis, Demosthenes and Stephanidis, Constantine (1994): Impediments to Designing and Developing for Accessibility, Accommodation and High Quality Interaction. In: Stephanidis, Constantine and Carbonell, Noelle (eds.) Proceedings of the 3rd ERCIM Workshop on User Interfaces for All November 3-4, 1994, Obernai, France. p. 5. Available online

Universal design entails the design of products and environments to be usable by all people, to the greatest extent possible, without the need for adaptation or specialised design. In the context of Human-Computer Interaction (HCI), design for all entails the design of interactive artefacts accessible and highly usable by the broadest possible end user population, including disabled and elderly people. The distinctive characteristics of such a notion is the emphasis upon accessibility and high quality interaction. These two usability requirements provide the driving forces towards a new paradigm of User Interface Software and Technology (UIST) intended to deliver products widely usable by users with diverse requirements in a variety of contexts. The current generation of UIST, though making solid contributions towards more natural and intuitive interaction mechanisms, has traditionally failed to account for the notion of accessibility, as considered in the present context. As a result, the capability to effectively and efficiently produce user interfaces for all is seriously prohibited. Given the current practice regarding interactive computer-based software development and the requirements for accessibility, accommodation and high quality interaction, it follows that a new HCI research and practice agenda is needed based on human needs and social responsibility. At the core of such an agenda lie two basic questions, which have surfaced throughout the short history of HCI and continue to pose challenges, despite recent progress. These are the underlying theory of design and the notion of user interface software architecture. In the following, we provide a brief account of each one and reflect upon the challenges underpinning the study of HCI in the emerging information age.

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Publication statistics

Publication period:1994-2007
Publication count:37
Number of co-authors:22



Productive colleagues

Demosthenes Akoumianakis's 3 most productive colleagues in number of publications:

Constantine Stephanidis:144
Gavriel Salvendy:136
Anthony Savidis:44


Collaboration count

Number of publications with 3 favourite co-authors:

Constantine Stephanidis:34
Anthony Savidis:8
Dimitrios Kotsalis:3

 

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