2002
Journal article
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Commentary on 'scenarios and task analysis' by Dan Diaper
Paternò FBoth Carroll's book and Diaper's paper address fundamental issues for the HCI field and stimulate important discussion that can help to clarify at least some of them. I have noticed that in recent years some tension has arisen between scenario-based approaches and task analysis, with the risk of deg... enerating into a kind of religious war. To some extent, the solution to this tension is simple: both approaches are important and complementary. However, this solution is often interpreted as a diplomatic, polite position in which people do not actually believe. So, some more in-depth reflections should prove to be useful. [show more]Source: INTERACTING WITH COMPUTERS, vol. 14 (issue 4), pp. 407-409
DOI: 10.1016/s0953-5438(02)00008-5Metrics:
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Interacting with Computers
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2003
Journal article
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A Tool for Creating Design Models from Web Site Code
Paganelli L., Paternò F.In this paper we present a method and the related tool for analysing Web site code in order to automatically reconstruct the underlying logical interaction design. Such design is represented through task models that describe how activities should be performed to reach users' goals. The models also i... nclude a specification of the objects that should be manipulated to accomplish such tasks. We also discuss how the result of this reverse engineering process can be provided as input to a number of tools for various purposes (model analysis, usability evaluation, user interface redesign). [show more]Source: INTERNATIONAL JOURNAL OF SOFTWARE ENGINEERING AND KNOWLEDGE ENGINEERING, vol. 13, pp. 169-189
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2003
Journal article
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Understanding Interaction with Mobile Devices
Paternò F.This editorial paper introduces an emerging and important area for human-computer interaction research, which concerns interaction with mobile devices. The design of interactive mobile applications should differ from that of traditional desktop applications. To this aim, the paper discusses some con... cepts and models that help to understand the new challenges as well as recently introduced techniques that can be useful for exploiting the characteristics of these devices. Lastly, tool support for the design of nomadic applications is considered, taking into account the potential contexts of use, with particular attention to the platform features. [show more]Source: INTERACTING WITH COMPUTERS, vol. 15, pp. 473-478
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2004
Journal article
Open Access
Migratory user interfaces able to adapt to various interaction platforms
Bandelloni R., Paternò F.The goal of this work is the design of an environment for supporting runtime migration of Web applications among different platforms. This allows users interacting with an application to change device and continue their interaction from the same point. The migration takes into account the runtime st... ate of the interactive application and the different features of the devices involved. We consider applications developed through a multiple-level approach using: the definition of the tasks to support, the abstract description of the user interface, and the actual code. The runtime migration engine exploits information regarding the application runtime state and higher-level information on the plat-form-dependent application versions. Runtime application data are used to achieve interaction continuity and preserve usability, while information on the different platforms is considered to adapt the application's appearance and behaviour to the specific device. The paper also discusses a sample application in order to provide concrete examples of the results that can be achieved through our approach. [show more]Source: INTERNATIONAL JOURNAL OF HUMAN-COMPUTER STUDIES, vol. 60 (issue 5-6), pp. 621-639
DOI: 10.1016/j.ijhcs.2003.11.007Metrics:
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International Journal of Human-Computer Studies
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2004
Conference article
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Mixed-initiative, trans-modal interface migration
Bandelloni R., Berti S., Paternò F.This paper presents our solution to supporting runtime migration of Web application interfaces among devices offering different interaction modalities, in particular graphic to vocal platform migration and vice versa. Migrating between platforms implies keeping track of the user interactions in orde... r to retrieve the runtime state of the interface and maintaining interaction continuity on the target device. The system can serve user-issued migration requests containing the identifier of the selected target device, and can also automatically start the migration procedure when environment conditions require it. In automatic migration the target platform has to be automatically selected as well. To this aim, we consider devices belonging to a restricted environment and have defined selection rules in order to identify the most suitable available target for the ongoing migration. [show more]
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2004
Conference article
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Supporting museum co-visits using mobile devices
Laurillau Y, Paternò FThe goal of this work is to provide tools that promote social interactions between visitors through cooperative and educational games. In this paper, we describe how to support collaborative learning in museum visits and show an example application based on mobile palmtop systems. To this end, we ha... ve developed a system that is able to support collaborative and independent activities, and offer context-aware content. [show more]
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2005
Conference article
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Analysing trans-modal interface migration
Bandelloni R, Berti S, Paternò FWhile new solutions for supporting migratory interfaces are emerging, there is still a lack of analysis of their impact on users. In this paper we discuss the design of a solution for trans-modal migratory interfaces in multidevice and results obtained testing it with users. We conducted a study aim... ed at evaluating the user impact of a migration service applied to platforms supporting different interaction modalities (graphic vs. vocal) in Web environments. [show more]
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2005
Conference article
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Development of multimodal interfaces in multi-device environments
Berti S, Paternò FRecent technological evolution has enabled environments accessible through a wide variety of interactive devices. Such devices can differ also in terms of interaction modality. In this paper we show how it is possible to generate multi-modal interfaces for different platforms starting with logical u... ser interface descriptions. This approach simplifies the development of applications that can be accessed through a variety of interactive devices and modalities. [show more]
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2005
Journal article
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Model-based tools for pervasive usability
Paternò FThis paper aims to provide a discussion of how model-based approaches and related tools have been used to address important issues for obtaining usable interactive software and the new challenges for this research area. The paper provides an analysis of the logical descriptions that can be used in t... he design of interactive systems and how they can be manipulated in order to obtain useful results. This type of approach has recently raised further interest in the ubiquitous computing field for supporting the design of multi-device interfaces. The new challenges currently considered are mainly in the area of end-user development, ambient intelligence, and multimodal interfaces. [show more]Source: INTERACTING WITH COMPUTERS, vol. 17 (issue 3), pp. 291-315
DOI: 10.1016/j.intcom.2004.06.017Metrics:
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2006
Journal article
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Collaborative social structures and task modelling integration
Penichet V. M., Paternò F., Gallud J. A., Lozano M. D.Interdisciplinary work groups have proved to be one of the best practices (in terms of efficiency) in modern organizations. Large applications have many different users who can play different roles with responsibilities and rights depending on such roles. There are so many roles, groups, relationshi... ps among them, tasks, and collaborations, that it is very difficult to develop an application without gathering all this information in a proper way. This paper describes a modelling approach supported by a graphical notation, which makes the representation of such information easier to analyse and manage. The goal is to provide a complete and integrated approach to model collaborative interactive systems. [show more]
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2006
Journal article
Metadata Only Access
Natural modelling of interactive applications
Paternò F, Volpe NThis paper presents an approach, and the associated environment, aiming to support designers to intuitively model interactive applications. The goal is to make modelling activity more natural. The approach is based on a transformation able to convert hand-drawn visual model sketches on boards into t... ask-model specifications that are further editable and analysable through automatic visual tools. A first test of the environment has been carried out and has provided useful suggestions about how to improve it. [show more]
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2007
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Incorporating tilt-based interaction in multimodal user interfaces for mobile devices
Mäntyjärvi J, Paternò F, Santoro CEmerging ubiquitous environments raise the need to support multiple interaction modalities in diverse types of devices. Designing multimodal interfaces for ubiquitous environments using development tools creates challenges since target platforms support different resources and interfaces. Model-base... d approaches have been recognized as useful for managing the increasing complexity consequent to the many available interaction platforms. However, they have usually focused on graphical and/or vocal modalities. This paper presents a solution for enabling the development of tilt-based hand gesture and graphical modalities for mobile devices in a multimodal user interface development tool. The challenges related to developing gesture-based applications for various types of devices involving mobile devices are discussed in detail. The possible solution presented is based on a logical description language for hand-gesture user interfaces. Such language allows us to obtain a user interface implementation on the target mobile platform. The solution is illustrated with an example application that can be accessed from both the desktop and mobile device supporting tilt-based gesture interaction. [show more]DOI: 10.1007/978-3-540-70816-2Metrics:
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doi.org
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2007
Conference article
Open Access
Designing Multi-device User Interfaces: How to Adapt to the Changing Device
Paternò FNowadays, everyday life is becoming a multi-platform environment where people are surrounded by different types of devices through which they can connect to networks in different ways. Most of them are mobile personal devices carried by users moving freely about different environments populated by v... arious other devices. Such environments raise many issues for designers and developers, such as the possibility of obtaining user interfaces able to adapt to the interaction resources of the available devices. The main learning objective is to gain knowledge and skills in methods and tools for the design of multi-device interfaces that can support designers and developers to address a number of issues raised by ubiquitous computing. [show more]DOI: 10.1007/978-3-540-74800-7_91Metrics:
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link.springer.com
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2003
Conference article
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Model-based Design of Speech Interfaces
Berti S., Paternò F.The increasing availability of various types of interactive platforms has raised the need for design environments able to support development of user interfaces that exploit interaction modalities other than the traditional graphical interfaces. In this paper we present a model-based solution to hel... p designers in the development of voice applications. In particular, we focus on how to derive a speech interface implemented in VoiceXML from an abstract user interface description. [show more]
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2003
Conference article
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Platform Awareness in Dynamic Web User Interfaces Migration
Bandelloni R., Paternò F.The goal of this work is the design of an environment for supporting run time migration of Web applications among different platforms. This allows users interacting with a Web application to change device and continue their in-teraction from the same point. The migration takes into account the runti... me state of the interactive application and the different features of the devices in-volved. We consider Web applications developed through a multiple-level ap-proach using: the definition of the tasks to support, the abstract description of the user interface, and the actual code. The runtime migration engine exploits information regarding the application runtime state and higher level informa-tion on the available target platforms. Runtime application data are used to achieve interaction continuity, while information on the different platform types involved are deployed to adapt the application's appearance and behav-iour to the specific [show more]
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2003
Conference article
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Design Criteria for Location-aware, Indoor, PDA Applications
Ciavarella C., Paternò F.The design of interactive systems has to take into account the context of use. In this paper we discuss the design criteria to use when developing locationaware, indoor, PDA applications. We analyse some of the technologies currently available for this purpose and examine how to provide users with l... ocation-dependent information. The discussion of such criteria is based on our experience in the development of an interactive guide for museum visitors. [show more]DOI: 10.1007/978-3-540-45233-1_11Metrics:
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doi.org
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2008
Journal article
Open Access
Customization of Web applications through an intelligent environment exploiting logical interface descriptions
Macias A., Paternò F.Customization of Web-based applications is often considered a designer skill rather than an end-user need. However, there is an ongoing shift to end-user-centred technology, and even users with poor or no skill in Web-based languages may feel the need to customize Web applications according to their... preferences. Although Web authoring environments have an increasing number of features, the challenge of providing end-users with the ability to easily customize entire Web applications still remains unsolved. In this paper, we propose an intelligent approach to customizing Web-based applications. Customizations rules are automatically inferred by the system from changes that users supply as examples. They remain as long-term knowledge that can be applied to support future interactions, thus minimizing the amount of authoring that end-users need to do for this purpose. In order to better understand the implications of the user's modifications, they are analysed using the logical descriptions of the corresponding Web pages. [show more]Source: INTERACTING WITH COMPUTERS, vol. 20 (issue 1), pp. 29-47
DOI: 10.1016/j.intcom.2007.07.007Metrics:
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Recolector de Ciencia Abierta, RECOLECTA
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2010
Journal article
Open Access
Deriving vocal interfaces from logical descriptions in multi-device authoring environments
Paternò F, Sisti CModel-based approaches for interactive Web applications have neglected vocal interaction. However, ubiquitous multi-device environments call for better support for such modality. In this paper we present a language for logical descriptions of vocal interfaces along with a transformation for deriving... corresponding implementations and show an example application. Such results have been integrated into a multi-device authoring environment [show more]DOI: 10.1007/978-3-642-13911-6_14Metrics:
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2002
Journal article
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Design and evaluation of an adaptive virtual guide for Web applications
Marucci L., Paternò F.Most applications accessible through the Web suffer from a noticeable lack of support for adapting to the different information needs that different users may have regarding a certain topic. However, completely automatic adaptive support can still be confusing for users who may not understand the re... asons for the dynamic change in the behaviour of an application. In this paper, we present a possible solution to provide adaptive support that does not disorient the user. The solution integrates a virtual January 18, assistant that is able to provide adaptive support in an adaptable application. We discuss an example of the application of this approach involving the support of Web visits to virtual museums. We then present the results of an empirical usability test of such an application. [show more]Source: UNIVERSAL ACCESS IN THE INFORMATION SOCIETY (PRINT), vol. 1 (issue 3), pp. 163-175
DOI: 10.1007/s102090100016Metrics:
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Universal Access in the Information Society
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