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Fiorella De Rosis

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Fiorella De Rosis

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Personal Homepage:
di.uniba.it/intint/people/fior.html
Current place of employment:
University of Bari, Italy

Full Professor of Informatics.

Teaches 'Human-Computer Interaction' and 'Intelligent Interfaces' at the University of Bari, Faculty of Science.

Research in Intelligent Interfaces: in particular, user modeling and adaptation, interaction in natural language, affective computing.

Member of the Editorial Board of the International Journal of 'User Modeling and User-Adapted Interaction'.

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Publications by Fiorella De Rosis (bibliography)

» 2007 «

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Rosis, Fiorella De, Batliner, Anton, Novielli, Nicole and Steidl, Stefan (2007): 'You are Sooo Cool, Valentina!' Recognizing Social Attitude in Speech-Based Dialogues with an ECA. In: Paiva, Ana, Prada, Rui and Picard, Rosalind W. (eds.) ACII 2007 - Affective Computing and Intelligent Interaction, Second International Conference September 12-14, 2007, Lisbon, Portugal. pp. 179-190. Available online

» 2006 «

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Rosis, Fiorella De, Mazzotta, Irene, Miceli, Maria and Poggi, Isabella (2006): Persuasion Artifices to Promote Wellbeing. In: IJsselsteijn, Wijnand, Kort, Yvonne de, Midden, Cees J. H., Eggen, Berry and Hoven, Elise van den (eds.) PERSUASIVE 2006 - Persuasive Technology, First International Conference on Persuasive Technology for Human Well-Being May 18-19, 2006, Eindhoven, The Netherlands. pp. 84-95. Available online

» 2005 «

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Berry, Dianne C., Butler, Laurie T. and Rosis, Fiorella De (2005): Evaluating a realistic agent in an advice-giving task. In International Journal of Human-Computer Studies, 63 (3) pp. 304-327

“The aim of this study was to empirically evaluate an embodied conversational agent called GRETA in an effort to answer two main questions: (1) What are the benefits (and costs) of presenting information via an animated agent, with certain characteristics, in a 'persuasion' task, compared to other forms of display? (2) How important is it that emotional expressions are added in a way that is consistent with the content of the message, in animated agents? To address these questions, a positively framed healthy eating message was created which was variously presented via GRETA, a matched human actor, GRETA's voice only (no face) or as text only. Furthermore, versions of GRETA were created which displayed additional emotional facial expressions in a way that was either consistent or inconsistent with the content of the message. Overall, it was found that although GRETA received significantly higher ratings for helpfulness and likability, presenting the message via GRETA led to the poorest memory performance among users. Importantly, however, when GRETA's additional emotional expressions were consistent with the content of the verbal message, the negative effect on memory performance disappeared. Overall, the findings point to the importance of achieving consistency in animated agents.”

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Carofiglio, Valeria, Rosis, Fiorella De and Novielli, Nicole (2005): Dynamic User Modeling in Health Promotion Dialogs. In: Tao, Jianhua, Tan, Tieniu and Picard, Rosalind W. (eds.) ACII 2005 - Affective Computing and Intelligent Interaction, First International Conference October 22-24, 2005, Beijing, China. pp. 723-730. Available online

» 2003 «

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Rosis, Fiorella De, Pelachaud, Catherine, Poggi, Isabella, Carofiglio, Valeria and Carolis, Berardina De (2003): From Greta's mind to her face: modelling the dynamics of affective states in a conversational embodied agent. In International Journal of Human-Computer Studies, 59 (1) pp. 81-118

“This paper describes the results of a research project aimed at implementing a `realistic' 3D Embodied Agent that can be animated in real-time and is `believable and expressive': that is, able to coherently communicate complex information through the combination and the tight synchronisation of verbal and nonverbal signals. We describe, in particular, how we `animate' this Agent (that we called Greta) so as to enable her to manifest the affective states that are dynamically activated and de-activated in her mind during the dialog with the user. The system is made up of three tightly interrelated components: * A representation of the Agent Mind: this includes long and short-term affective components (personality and emotions) and simulates how emotions are triggered and decay over time according to the Agent's personality and to the context, and how several emotions may overlap. Dynamic belief networks with weighting of goals is the formalism we employ to this purpose. * A mark-up language to denote the communicative meanings that may be associated with dialog moves performed by the Agent. * A translation of the Agent's tagged move into a face expression, that combines appropriately the available channels (gaze direction, eyebrow shape, head direction and movement etc). The final output is a 3-D facial model that respects the MPEG-4 standard and uses MPEG-4 Facial Animation Parameters to produce facial expressions. Throughout the paper, we illustrate the results obtained, with an example of dialog in the domain of `Advice about eating disorders'. The paper concludes with an analysis of advantages of our cognitive model of emotion triggering and of the problems found in testing it. Although we did not yet complete a formal evaluation of our system, we briefly describe how we plan to assess the agent's believability in terms of consistency of its communicative behaviour.”

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Brusilovsky, Peter, Corbett, Albert T. and Rosis, Fiorella De (eds.) User Modeling 2003 - 9th International Conference - UM 2003 June 22-26, 2003, Johnstown, PA, USA.

» 2001 «

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Carofiglio, Valeria, Rosis, Fiorella De and Castelfranchi, Cristiano (2001): Ascribing and Weighting Beliefs in Deceptive Information Exchanges. In: Bauer, Mathias, Gmytrasiewicz, Piotr J. and Vassileva, Julita (eds.) User Modeling 2001 - 8th International Conference - UM 2001 July 13-17, 2001, Sonthofen, Germany. pp. 222-224. Available online

» 2000 «

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Rosis, Fiorella De, Carolis, Berardina De and Pizzutilo, Sebastiano (2000): Automated Generation of Agent Behaviour from Formal Models of Interaction. In: Advanced Visual Interfaces 2000 2000. pp. 193-200.

» 1999 «

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Rosis, Fiorella De, Carolis, Berardina De and Pizzutilo, Sebastiano (1999): Software Documentation with Animated Agents. 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. 15. Available online

“We show how a formal model of interaction can be employed to generate documentation on how to use an application, in the form of an Animated Agent. The formal model we employ is XDM (Context-Sensitive Dialog Modeling), an extension of Coloured Petri Nets that enables representing user-adapted interfaces, simulating their behaviour in different contexts and making semiautomatic pre-empirical evaluations of consistency and complexity. XDM-Agent is a personality-rich animated character that uses this formal model to illustrate the role of interface objects and to explain which tasks may be performed and how they may be performed. The behaviour of this agent is programmed by a schema-based planning (the agent's 'Mind'), followed by a surface generation (its 'Body'), in which verbal and nonverbal acts are combined appropriately. The agent's personality, that is the way its Mind is programmed and its Body appears to the user, may be adapted to the user characteristics. The potential interest of applying to software documentation the HCI metaphor of 'interacting with a friend' is discussed.”

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» 1998 «

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Rosis, Fiorella De, Pizzutilo, Sebastiano and Carolis, Berardina De (1998): Formal Description and Evaluation of User-Adapted Interfaces. In International Journal of Human-Computer Studies, 49 (2) pp. 95-120

“This paper describes a visual formalism and a tool to support design and evaluation of human-computer interaction in context-customized systems. The formalism is called XDM (for "context-sensitive dialogue modelling") and combines extended Petri nets with Card, Moran and Newell's KLM operators theory to describe static and dynamic aspects of interaction in every context in which the system should operate, and to make evaluations of interface correctness and usability easier or automatic. The method was developed in the scope of a European Community Project to iteratively prototype a knowledge-based medical system. It has been subsequently employed in several research projects and in teaching activities.”

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Carolis, Berardina De, Rosis, Fiorella De, Andreoli, Chiara, Cavallo, Vincenzo and Cicco, M. Luisa De (1998): The dynamic generation of hypertext presentations of medical guidelines. In New Review of Hypermedia and Multimedia, 4 pp. 67-88

“We describe a project aimed at developing a tool to generate user and context-adapted textual descriptions of clinical guidelines on the World Wide Web. ARIANNA employs two knowledge sources (a decision tree and a taxonomy of concepts in the clinical domain) and schema and ATN-based NLG techniques, to dynamically generate the hypermedia. This appears to the user as a frameset with three main components: the guideline itself, an explanation of related concepts and a justification of individual steps. Each component is adapted to the user: i) the guideline is adapted to the user's goal in consulting the system (tutoring vs decision support); ii) explanations of concepts are adapted to the user knowledge and to the interaction history; iii) justifications are reserved for the tutoring consultation mode.”

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» 1997 «

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Wiley, Charles, Campbell-III, A.T., Szygenda, Stephen, Rosis, Fiorella De and Hudson, Fred (1997): Multiresolution BSP trees applied to terrain transparency and objects. In: Graphics Interface 97 May 21-23, 1997, Kelowna, British Columbia, Canada. pp. 88-96. Available online

» 1996 «

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Rosis, Fiorella De, Pizzutilo, Sebastiano and Carolis, Berardina De (1996): A Tool to Support Specification and Evaluation of Context-Customized Interfaces. In ACM SIGCHI Bulletin, 28 (3) pp. 82-88

“This paper describes a tool which aims at responding to the mentioned objectives: XDM (Context-Sensitive Dialogue Modeling) extends Coloured Petri Nets to specify context-customized interfaces in a task-based way and to simulate their behaviour in defined contexts. By integrating this modeling approach with KLM theory [2], XDM also enables evaluating (in an automatic or semi-automatic way) whether the interface is correct and usable.”

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» 1995 «

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Carolis, Berardina De, Rosis, Fiorella De and Errore, S. (1995): A User-Adapted Iconic Language for the Medical Domain. In International Journal of Human-Computer Studies, 43 (4) pp. 561-577

“Although icons are presented as a universal language, some claim that cultural background, education and environment might influence the users' interpretation of their meaning. If this is true, the iconic language should be adapted to the user's characteristics. This paper presents results of a study that was aimed at designing the iconic language of a medical decision support system to be used in several European countries. The study included four main phases: listing and classification of the messages to be represented, collection of proposals about icons from representatives of potential users, preparation of candidates for evaluation and final evaluation of candidates by a sample of users. Results of this study indicate which icons are universally considered as "good" or "bad", and which ones are "controversial", that is, which are clearly preferred or clearly rejected by different interviewed subgroups. These results are also compared with results of previous studies, to single out factors which seem to condition acceptance of iconic messages. Finally, the paper describes the architecture of the interface which supports adapting icons to the user characteristics.”

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» 1994 «

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Carolis, Berardina De and Rosis, Fiorella De (1994): Modelling Adaptive Interaction of OPADE by Petri Nets. In ACM SIGCHI Bulletin, 26 (2) pp. 48-52

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Rosis, Fiorella De, Cozza, M. T., Carolis, Berardina De, Errore, S., Pizzutilo, Sebastiano and Zegher, I. de (1994): Adaptive Interaction with Knowledge-Based Systems. In: Advanced Visual Interfaces 1994 1994. pp. 192-199. Available online

» 1992 «

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Rosis, Fiorella De and Berry, Dianne C. (1992): User Modeling for Adaptive Presentation of Information. In: Advanced Visual Interfaces 1992 1992. pp. 258-272.

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Publication statistics

Publication period:1992-2007
Publication count:17
Number of co-authors:25

Productive colleagues

Fiorella De Rosis's 3 most productive colleagues in number of publications:

Peter Brusilovsky:41
Catherine Pelachaud:30
Berardina De Carolis:19

Collaboration count

Number of publications with 3 favourite co-authors:

Berardina De Carolis:9
Sebastiano Pizzutilo:5
Valeria Carofiglio:3

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Conference Calendar

Mar 21

WritersUA Conf. for Software User Assistance

Mar 22

UX People

Mar 22

ETRA '10 - Eye Tracking Research & Applications Symp.

Mar 20

“ Computer programs emerge as the outcome of complex human processes of cognition, communication and negotiation, which serve to establish the meaningful embedding of the computer system in its intended use context. ”

-- Floyd, 1992, p. 24 ”

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Fiorella De Rosis

Publications by Fiorella De Rosis (bibliography)

» 2007 «

» 2006 «

» 2005 «

» 2003 «

» 2001 «

» 2000 «

» 1999 «

» 1998 «

» 1997 «

» 1996 «

» 1995 «

» 1994 «

» 1992 «

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Changes to this page (author)

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Conference Calendar

Eva Hornecker on Tangible Interaction

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