May 23

Knowledge is commonly socially constructed, through collaborative efforts towards shared objectives or by dialogues and challenges brought about by different persons' perspectives.

-- G. Salomon (in "Distributed Cognitions: Psychological and Educational Considerations")

 
 

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G. Faconti

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Publications by G. Faconti (bibliography)

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2002
 
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Massink, M. and Faconti, G. (2002): A reference framework for continuous interaction. In Universal Access in the Information Society, 1 (4) pp. 237-251.

The latest developments in human computer interfaces aim at greater ease of use, and the exploitation of human communication and interaction skills typical of non-computerised environments. This kind of interaction is continuous rather than purely discrete. Continuous interaction implies a tighter coupling between system and user, and raises complicated synchronisation issues where real-time requirements and intrinsic variation of human behaviour play an essential role. In this paper, we propose a human centred layered reference model to reduce the design complexity of systems exhibiting continuous interaction. In the context of the layered model, we discuss the role that formal modelling can play in the design of these systems.

© All rights reserved Massink and Faconti and/or Springer Verlag

1996
 
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Duke, David, Faconti, G. and Massink, M. (1996): Synchronisation and Delay in a Formal Model of User Cognition. In: Stephanidis, Constantine (ed.) Proceedings of the 2nd ERCIM Workshop on User Interfaces for All November 7-8, 1996, Prague, Czech Republic. p. 19.

This work is part of a syndetic approach to the evaluation of the usability of interaction devices that takes into account the cognitive resources needed to use a device to perform particular tasks. In the syndetic approach both a cognitive model and a model of system behaviour are specified and brought together within a single framework in order to investigate their relations. The ICS model is such a cognitive model of human information processing. In this model the human information processing is depicted as a number of independent cognitive processes that cooperate by means of exchanging mental representations of the observed environment. The style in which the model is described is close to a data flow style, which is also one of the formal approaches used within Computer Science for the specification of systems behaviour. In this paper we present a data flow oriented representation of a simplified version of the ICS model in which we study the synchronisation and delay of the streams of representations owing through the model. The data flow approach is shown to give particularly interesting possibilities to investigate the consequences of a relative difference in speed between the information processing of the human and the change of the environment in which (s)he is working.

© All rights reserved Duke et al. and/or The European Research Consortium for Informatics and Mathematics - ERCIM

1992
 
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Paterno, Fabio and Faconti, G. (1992): On the Use of LOTOS to Describe Graphical Interaction. In: Monk, Andrew, Diaper, Dan and Harrison, Michael D. (eds.) Proceedings of the Seventh Conference of the British Computer Society Human Computer Interaction Specialist Group - People and Computers VII August 15-18, 1992, University of York, UK. pp. 155-173.

This paper discusses a formal specification of a model of a graphical interaction object by using the LOTOS notation and the possible results that we can obtain from this approach. With this model the relationship between input and output functionality can be addressed. A User Interface System, which manages dialogues between the user and the application, may be described as a composition of instances of graphical interacting objects. Examples of common graphical interactions are described following the proposed abstract model for graphical interaction objects and by using the LOTOS notation. Application of automatic tools to the performed specifications is discussed.

© All rights reserved Paterno and and/or Cambridge University Press

 
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Changes to this page (author)

14 Feb 2010: Modified
12 May 2008: Added
28 Apr 2003: Added

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URL: http://www.interaction-design.org/references/authors/g__faconti.html
May 23

Knowledge is commonly socially constructed, through collaborative efforts towards shared objectives or by dialogues and challenges brought about by different persons' perspectives.

-- G. Salomon (in "Distributed Cognitions: Psychological and Educational Considerations")

 
 

Featured chapter

Read the fascinating history of Wearable Computing, told by its father, Steve Mann

Read Steve's chapter !

 
 

Help us help you!