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[1] If You Are Happy and You Know It, Say "I'm Here": Investigating Parents' Location-Sharing Preferences Mobile and Ubiquitous Interaction / Massa, Paolo / Leonardi, Chiara / Lepri, Bruno / Pianesi, Fabio / Zancanaro, Massimo Proceedings of IFIP INTERACT'15: Human-Computer Interaction, Part III 2015-09-14 v.3 p.315-332
Keywords: Parents; Location sharing; Day reconstruction method
Link to Digital Content at Springer
Summary: A diary approach was used to explore location-sharing preferences of 126 parents with young children with the goal of investigating which elements play a role in their decision to share their location. During a 3-week user study, we daily collected parents' preferences of location sharing along with data related to the physical and social context, their interest in socializing with other parents and their emotional states. Our analysis points out several insights for this previously underexplored user group. In particular, our results suggest a relative greater importance of the context, both physical and social, with respect to individual traits such as personality, trust dispositions, and demographic characteristics. Moreover positive and negative emotions seem to influence the intention to share location information in a peculiar way: positive moods like happiness seem to encourage private sharing with selected people such as partner, relatives, friends and nearby parents, yet, when parents experience a negative mood, such as being worried, angry or sad, their intention to share publicly on the web is higher.

[2] Once Upon a Crime: Towards Crime Prediction from Demographics and Mobile Data Oral Session 5: Mobile and Urban Interaction / Bogomolov, Andrey / Lepri, Bruno / Staiano, Jacopo / Oliver, Nuria / Pianesi, Fabio / Pentland, Alex Proceedings of the 2014 International Conference on Multimodal Interaction 2014-11-12 p.427-434
ACM Digital Library Link
Summary: In this paper, we present a novel approach to predict crime in a geographic space from multiple data sources, in particular mobile phone and demographic data. The main contribution of the proposed approach lies in using aggregated and anonymized human behavioral data derived from mobile network activity to tackle the crime prediction problem. While previous research efforts have used either background historical knowledge or offenders' profiling, our findings support the hypothesis that aggregated human behavioral data captured from the mobile network infrastructure, in combination with basic demographic information, can be used to predict crime. In our experimental results with real crime data from London we obtain an accuracy of almost 70% when predicting whether a specific area in the city will be a crime hotspot or not. Moreover, we provide a discussion of the implications of our findings for data-driven crime analysis.

[3] Towards Happier Organisations: Understanding the Relationship between Communication and Productivity Organizations, Society, and Social Good / Finnerty, Ailbhe N. / Kalimeri, Kyriaki / Pianesi, Fabio Proceedings of the 2014 International Conference on Social Informatics 2014-11-11 p.462-477
Keywords: Communication; Organisational Psychology; Multimodal Sensors; Growth Model
Link to Digital Content at Springer
Summary: This work investigates in-depth the communication practices within a workplace to understand whether workers interact face to face or more indirectly with email. We analysed the interactions to understand how these changes affect our work (productivity, deadlines, interesting task) and our wellbeing (positive and negative affective states), by using a variety of data collection methods (sensors and surveys). Our analysis revealed that overall email was the most frequent medium of communication, but when taking into account just the communication within working hours (8am to 7pm), that face to face interactions were preferred. Correlation analysis revealed significant relationships between Affective States and Situational Factors while Longitudinal Analysis revealed an impact of communication features and measures of self reported Productivity and Creativity. These findings lead us to believe that different communication processes (synchronous and asynchronous) can impact Positive and Negative Affective States as well as how productive and creative you feel at work.

[4] Daily Stress Recognition from Mobile Phone Data, Weather Conditions and Individual Traits Privacy, Health and Well-being / Bogomolov, Andrey / Lepri, Bruno / Ferron, Michela / Pianesi, Fabio / Pentland, Alex (Sandy) Proceedings of the 2014 ACM International Conference on Multimedia 2014-11-03 p.477-486
ACM Digital Library Link
Summary: Research has proven that stress reduces quality of life and causes many diseases. For this reason, several researchers devised stress detection systems based on physiological parameters. However, these systems require that obtrusive sensors are continuously carried by the user. In our paper, we propose an alternative approach providing evidence that daily stress can be reliably recognized based on behavioral metrics, derived from the user's mobile phone activity and from additional indicators, such as the weather conditions (data pertaining to transitory properties of the environment) and the personality traits (data concerning permanent dispositions of individuals). Our multifactorial statistical model, which is person-independent, obtains the accuracy score of 72.28% for a 2-class daily stress recognition problem. The model is efficient to implement for most of multimedia applications due to highly reduced low-dimensional feature space (32d). Moreover, we identify and discuss the indicators which have strong predictive power.

[5] The Workshop on Computational Personality Recognition 2014 Workshop Summaries / Celli, Fabio / Lepri, Bruno / Biel, Joan-Isaac / Gatica-Perez, Daniel / Riccardi, Giuseppe / Pianesi, Fabio Proceedings of the 2014 ACM International Conference on Multimedia 2014-11-03 p.1245-1246
ACM Digital Library Link
Summary: The Workshop on Computational Personality Recognition aims to define the state-of-the-art in the field and to provide tools for future standard evaluations in personality recognition tasks. In the WCPR14 we released two different datasets: one of YouTube Vlogs and one of Mobile Phone interactions. We structured the workshop in two tracks: an open shared task, where participants can do any kind of experiment, and a competition. We also distinguished two tasks: A) personality recognition from multimedia data, and B) personality recognition from text only. In this paper we discuss the results of the workshop.

[6] Going beyond traits: multimodal classification of personality states in the wild Oral session 1: personality / Kalimeri, Kyriaki / Lepri, Bruno / Pianesi, Fabio Proceedings of the 2013 International Conference on Multimodal Interaction 2013-12-09 p.27-34
ACM Digital Library Link
Summary: Recent studies in social and personality psychology introduced the notion of personality states conceived as concrete behaviors that can be described as having the same contents as traits. Our paper is a first step towards addressing automatically this new perspective. In particular, we will focus on the classification of excerpts of social behavior into personality states corresponding to the Big Five traits, rather than focusing on the more traditional goal of using those behaviors to directly infer about the personality traits of the person producing them. The multimodal behavioral cues we exploit were obtained by means of the Sociometric Badges worn by people working at a research institution for a period of six weeks. We investigate the effectiveness of cues concerning acted social behaviors as well as of other situational characteristics for the sake of personality state classification. The encouraging results show that our classifiers always, and sometimes greatly, improve the performances of a random baseline classifier (from 1.5 to 1.8 better than chance). At a general level, we believe that these results support the proposed shift from the classification of personality traits to the classification of personality states.

[7] Inferring social activities with mobile sensor networks Oral session 6: AR, VR & mobile / Do, Trinh Minh Tri / Kalimeri, Kyriaki / Lepri, Bruno / Pianesi, Fabio / Gatica-Perez, Daniel Proceedings of the 2013 International Conference on Multimodal Interaction 2013-12-09 p.405-412
ACM Digital Library Link
Summary: While our daily activities usually involve interactions with others, the current methods on activity recognition do not often exploit the relationship between social interactions and human activity. This paper addresses the problem of interpreting social activity from human interactions captured by mobile sensing networks. Our first goal is to discover different social activities such as chatting with friends from interaction logs and then characterize them by the set of people involved, and the time and location of the occurring event. Our second goal is to perform automatic labeling of the discovered activities using predefined semantic labels such as coffee breaks, weekly meetings, or random discussions. Our analysis was conducted on a real-life interaction network sensed with Bluetooth and infrared sensors of about fifty subjects who carried sociometric badges over 6 weeks. We show that the proposed system reliably recognized coffee breaks with 99% accuracy, while weekly meetings were recognized with 88% accuracy.

[8] Modeling dominance effects on nonverbal behaviors using granger causality Nonverbal / behaviour / Kalimeri, Kyriaki / Lepri, Bruno / Aran, Oya / Jayagopi, Dinesh Babu / Gatica-Perez, Daniel / Pianesi, Fabio Proceedings of the 2012 International Conference on Multimodal Interfaces 2012-10-22 p.23-26
ACM Digital Library Link
Summary: In this paper we modeled the effects that dominant people might induce on the nonverbal behavior (speech energy and body motion) of the other meeting participants using Granger causality technique. Our initial hypothesis that more dominant people have generalized higher influence was not validated when using the DOME-AMI corpus as data source. However, from the correlational analysis some interesting patterns emerged: contradicting our initial hypothesis dominant individuals are not accounting for the majority of the causal flow in a social interaction. Moreover, they seem to have more intense causal effects as their causal density was significantly higher. Finally dominant individuals tend to respond to the causal effects more often with complementarity than with mimicry.

[9] Multimodal recognition of personality traits in human-computer collaborative tasks Affect / Batrinca, Ligia / Lepri, Bruno / Mana, Nadia / Pianesi, Fabio Proceedings of the 2012 International Conference on Multimodal Interfaces 2012-10-22 p.39-46
ACM Digital Library Link
Summary: The user's personality in Human-Computer Interaction (HCI) plays an important role for the overall success of the interaction. The present study focuses on automatically recognizing the Big Five personality traits from 2-5 min long videos, in which the computer interacts using different levels of collaboration, in order to elicit the manifestation of these personality traits. Emotional Stability and Extraversion are the easiest traits to automatically detect under the different collaborative settings: all the settings for Emotional Stability and intermediate and fully-non collaborative settings for Extraversion. Interestingly, Agreeableness and Conscientiousness can be detected only under a moderately non-collaborative setting. Finally, our task does not seem to activate the full range of dispositions for Creativity.

[10] Friends don't lie: inferring personality traits from social network structure Feelings and emotions / Staiano, Jacopo / Pianesi, Fabio / Lepri, Bruno / Sebe, Nicu / Aharony, Nadav / Pentland, Alex Proceedings of the 2012 International Conference on Ubiquitous Computing 2012-09-05 p.321-330
ACM Digital Library Link
Summary: In this work, we investigate the relationships between social network structure and personality; we assess the performances of different subsets of structural network features, and in particular those concerned with ego-networks, in predicting the Big-5 personality traits. In addition to traditional survey-based data, this work focuses on social networks derived from real-life data gathered through smartphones. Besides showing that the latter are superior to the former for the task at hand, our results provide a fine-grained analysis of the contribution the various feature sets are able to provide to personality classification, along with an assessment of the relative merits of the various networks exploited.

[11] EDITED BOOK Constructing Ambient Intelligence: AmI 2011 Workshops, Amsterdam, The Netherlands, November 16-18, 2011. Revised Selected Papers Communications in Computer and Information Science 277 / Wichert, Reiner / Van Laerhoven, Kristof / Gelissen, Jean 2012 n.55 p.327 Springer Berlin Heidelberg
DOI: 10.1007/978-3-642-31479-7
ISBN: 978-3-642-31478-0 (print), 978-3-642-31479-7 (online)
Link to Digital Content at Springer
== Aesthetic Intelligence: Designing Smart and Beautiful Architectural Spaces ==
Aesthetic Intelligence -- Concepts, Technologies and Applications (1-4)
	+ Kasugai, Kai
	+ Röcker, Carsten
	+ Plewe, Daniela
	+ Kiriyama, Takashi
	+ Oksman, Virpi
Aesthetic Design of Interactive Museum Exhibits (5-11)
	+ Kiriyama, Takashi
	+ Sato, Masahiko
Interactive Architecture in Domestic Spaces (12-18)
	+ Röcker, Carsten
	+ Kasugai, Kai
Towards Strategic Media (19-24)
	+ Plewe, Daniela Alina
== Ambient Intelligence in Future Lighting Systems ==
The Role of Ambient Intelligence in Future Lighting Systems -- Summary of the Workshop (25-28)
	+ Meerbeek, Bernt
	+ Aliakseyeu, Dzmitry
	+ Mason, Jon
	+ van Essen, Harm
	+ Offermans, Serge
Results of the 'User Interaction Techniques for Future Lighting Systems' Workshop at INTERACT 2011 (29-34)
	+ Aliakseyeu, Dzmitry
	+ Mason, Jon
	+ Meerbeek, Bernt
	+ van Essen, Harm
	+ Offermans, Serge
	+ et al
Illumination of Calendar Events in the Household of Older Persons (35-40)
	+ Heuten, Wilko
	+ Boll, Susanne
Dynamic Lighting as a Design Tool to Achieve Amenity in Open Space (41-44)
	+ Karamouzi, Aimilia
	+ Papalexopoulos, Dimitris
	+ Varoudis, Tasos
On the Use of Mixed Reality Environments to Evaluate Interaction with Light (45-48)
	+ Khan, Vassilis-Javed
	+ Walker, Martin
	+ Aliakseyeu, Dzmitry
	+ Mason, Jon
Improving the Mood of Elderly with Coloured Lighting (49-56)
	+ Kuijsters, Andre
	+ Redi, Judith
	+ de Ruyter, Boris
	+ Heynderickx, Ingrid
Interacting with Light Apps and Platforms (57-62)
	+ Offermans, Serge
	+ van Essen, Harm
	+ Eggen, Berry
Interacting with Light (63-67)
	+ Wiethoff, Alexander
	+ Gehring, Sven
== Interactive Human Behavior Analysis in Open or Public Spaces ==
International Workshop on Interactive Human Behavior Analysis in Open or Public Spaces (68-71)
	+ Hung, Hayley
	+ Odobez, Jean-Marc
	+ Gavrila, Dariu
Look at Who's Talking: Voice Activity Detection by Automated Gesture Analysis (72-80)
	+ Cristani, Marco
	+ Pesarin, Anna
	+ Vinciarelli, Alessandro
	+ Crocco, Marco
	+ Murino, Vittorio
User Behaviour Captured by Mobile Phones (81-90)
	+ Teeuw, Wouter B.
	+ Koolwaaij, Johan
	+ Peddemors, Arjan
Kinect Sensing of Shopping Related Actions (91-100)
	+ Popa, Mirela
	+ Koc, Alper Kemal
	+ Rothkrantz, Leon J. M.
	+ Shan, Caifeng
	+ Wiggers, Pascal
A Feature Set Evaluation for Activity Recognition with Body-Worn Inertial Sensors (101-109)
	+ Muhammad, Syed Agha
	+ Klein, Bernd Niklas
	+ Van Laerhoven, Kristof
	+ David, Klaus
Person Detection for Indoor Videosurveillance Using Spatio-temporal Integral Features (110-118)
	+ Descamps, Adrien
	+ Carincotte, Cyril
	+ Gosselin, Bernard
Person Authentication and Activities Analysis in an Office Environment Using a Sensor Network (119-127)
	+ Tao, Shuai
	+ Kudo, Mineichi
	+ Nonaka, Hidetoshi
	+ Toyama, Jun
Using Human Motion Intensity as Input for Urban Design (128-136)
	+ Poulsen, Esben S.
	+ Andersen, Hans J.
	+ Gade, Rikke
	+ Jensen, Ole B.
	+ Moeslund, Thomas B.
== User Interaction Methods for Elderly, People With Dementia ==
Sensor Based Monitoring for People with Dementia: Searching for Movement Markers in Alzheimer's Disease for a Early Diagnostic (137-145)
	+ Hoffmeyer, Andre
	+ Yordanova, Kristina
	+ Teipel, Stefan
	+ Kirste, Thomas
Functional Requirements for Assistive Technology for People with Cognitive Impairments and Dementia (146-151)
	+ Meiland, F. J. M.
	+ de Boer, M. E.
	+ van Hoof, J.
	+ van der Leeuw, J.
	+ de Witte, L.
	+ Blom, M.
	+ et al
Concept and Realization of an Individual Reminder Service for People Suffering from Dementia (152-156)
	+ Storf, Holger
	+ Schmitt, Mario
	+ Arif, Taslim
	+ Putz, Wolfgang
	+ Eisenbarth, Michael
	+ et al
Graphical User Interface for an Elderly Person with Dementia (157-161)
	+ Tamanini, Christian
	+ Majewski, Martin
	+ Wieland, Andreas
	+ Schlehuber, Christian
	+ et al
== Empowering and Integrating Senior Citizens with Virtual Coaching ==
Empowering and Integrating Senior Citizens with Virtual Coaching (162-165)
	+ Braun, Andreas
	+ Roelofsma, Peter H. M. P.
	+ Ferring, Dieter
	+ Immonen, Milla
Technology and Aging: Inhibiting and Facilitating Factors in ICT Use (166-169)
	+ Leist, Anja
	+ Ferring, Dieter
How Older Adults Experience Wellness Monitoring? (170-174)
	+ Muuraiskangas, Salla
	+ Kokko, Jaana
	+ Harjumaa, Marja
How Avatar Based Communication Can Improve Decision Making Quality (175-180)
	+ Roelofsma, Peter H. M. P.
Preference for Combining or Separating Events in Human and Avatar Decisions (181-183)
	+ Roelofsma, Peter H. M. P.
	+ Versteeg, Leo
Dynamic User Representation in Video Phone Applications (184-188)
	+ Braun, Andreas
	+ Wichert, Reiner
Sex Differences in User Acceptance of Avatars (189-191)
	+ Versteeg, Leo
	+ Roelofsma, Peter H. M. P.
User-Centered Design for and with Elderly Users in V2me (192-195)
	+ Klauß, Kerstin
	+ Klein, Peter
Development of a Socio-technical System for an Age-Appropriate Domestic Environment (196-200)
	+ Tantinger, Daniel
	+ Feilner, Sven
	+ Struck, Matthias
	+ Weigand, Christian
Using Technology for Improving the Social and Physical Activity-Level of the Older Adults (201-205)
	+ Immonen, Milla
	+ Sachinopoulou, Anna
	+ Kaartinen, Jouni
	+ Konttila, Antti
== Integration of AMI and AAL Platforms in the Future Internet (FI) Platform Initiative ==
Workshop: Integration of AMI and AAL Platforms in the Future Internet (FI) Platform Initiative (206-212)
	+ Kung, Antonio
	+ Furfari, Francesco
	+ Tazari, Mohammad-Reza
	+ Badii, Atta
	+ Turkama, Petra
== Ambient Gaming ==
Ambient Gaming and Play: Opportunities and Challenges (213-217)
	+ Sturm, Janienke
	+ Schouten, Ben
Around Play and Interaction Design Research (218-223)
	+ De Luca, Vanessa
	+ Bertolo, Maresa
	+ Zannoni, Michele
Gaming for Therapy in a Healthcare Smart Ambient (224-228)
	+ Madeira, Rui Neves
	+ Postolache, Octavian
	+ Correia, Nuno
Evocative Experiences in the Design of Objects to Encourage Free-Play (229-232)
	+ Rosales, Andrea
	+ Arroyo, Ernesto
	+ Blat, Josep
Playful Moments of Activity (233-237)
	+ Tieben, Rob
	+ Sturm, Janienke
	+ Bekker, Tilde
	+ Schouten, Ben
i-PE: A Decentralized Approach for Designing Adaptive and Persuasive Intelligent Play Environments (238-244)
	+ Rijnbout, Pepijn
	+ de Valk, Linda
	+ de Graaf, Mark
	+ Bekker, Tilde
	+ Schouten, Ben
	+ Eggen, Berry
An Investigation of Extrinsic-Oriented Ambient Exploration for Gaming Applications (245-248)
	+ Vatavu, Radu-Daniel
	+ Zaiti, Ionut-Alexandru
== Human Behavior Understanding: Inducing Behavioral Change ==
Challenges of Human Behavior Understanding for Inducing Behavioral Change (249-251)
	+ Salah, Albert Ali
	+ Lepri, Bruno
Human Behavior Understanding for Inducing Behavioral Change: Social and Theoretical Aspects (252-263)
	+ Lepri, Bruno
	+ Salah, Albert Ali
	+ Pianesi, Fabio
	+ Pentland, Alex Sandy
== Privacy, Trust and Interaction in the Internet of Things ==
Privacy, Trust and Interaction in the Internet of Things (264-266)
	+ Schrammel, Johann
	+ Hochleitner, Christina
	+ Tscheligi, Manfred
On the Internet of Things, Trust is Relative (267-273)
	+ Fritsch, Lothar
	+ Groven, Arne-Kristian
	+ Schulz, Trenton
How Will Software Engineers of the Internet of Things Reason about Trust? (274-279)
	+ Fugard, Andrew J. B.
	+ Beck, Elke
	+ Gärtner, Magdalena
Privacy Implications of the Internet of Things (280-286)
	+ Gudymenko, Ivan
	+ Borcea-Pfitzmann, Katrin
	+ Tietze, Katja
In Things We Trust? Towards Trustability in the Internet of Things (287-295)
	+ Hoepman, Jaap-Henk
Privacy in Pervasive Social Networks (296-301)
	+ Mabrouki, Olfa
	+ Chibani, Abdelghani
	+ Amirat, Yacine
== Doctoral Colloquium ==
Self-adaptive Architectures of Building Management Systems: Approaches, Methods, Algorithms (302-307)
	+ Andrushevich, Aliaksei
	+ Salomon, Ralf
	+ Klapproth, Alexander
A Pattern Language of Firefighting Frontline Practice to Inform the Design of Ubiquitous Computing (308-312)
	+ Denef, Sebastian
Understanding Total Hip Replacement Recovery towards the Design of a Context-Aware System (313-317)
	+ Garcia, Juan Jimenez
Model-Based Evaluation of Adaptive User Interfaces (318-322)
	+ Quade, Michael
Supporting Behavior Change in Cooperative Driving (323-327)
	+ Shahab, Qonita

[12] Please, tell me about yourself: automatic personality assessment using short self-presentations Oral session 2: social interaction / Batrinca, Ligia Maria / Mana, Nadia / Lepri, Bruno / Pianesi, Fabio / Sebe, Nicu Proceedings of the 2011 International Conference on Multimodal Interfaces 2011-11-14 p.255-262
ACM Digital Library Link
Summary: Personality plays an important role in the way people manage the images they convey in self-presentations and employment interviews, trying to affect the other's first impressions and increase effectiveness. This paper addresses the automatically detection of the Big Five personality traits from short (30-120 seconds) self-presentations, by investigating the effectiveness of 29 simple acoustic and visual non-verbal features. Our results show that Conscientiousness and Emotional Stability/Neuroticism are the best recognizable traits. The lower accuracy levels for Extraversion and Agreeableness are explained through the interaction between situational characteristics and the differential activation of the behavioral dispositions underlying those traits.

[13] A socially aware persuasive system for supporting conversations at the museum café Posters / Zancanaro, Massimo / Oliviero, Stock / Tomasini, Daniel / Pianesi, Fabio Proceedings of the 2011 International Conference on Intelligent User Interfaces 2011-02-13 p.395-398
ACM Digital Library Link
Summary: In this paper we propose a new type of system explicitly aimed at influencing immediate behavior in an informal, non goal-oriented co-located small group. The state of the group dynamics is automatically assessed in order for the system to continuously plan and deploy minimalist strategies using evocative means to influence behavior, rather than explicit recommendations. A key aspect of our approach is that the main "interaction channel" is left for direct human-to-human interaction, while no large conscious elaboration effort nor actions are meant by the user toward the interface. We present here the concept and a working implementation of a prototype system targeted to a museum scenario. The system has the form of a table in the museum café, and is aimed at inducing a group of friends to talk about the content of their visit to the museum.

[14] Employing social gaze and speaking activity for automatic determination of the Extraversion trait Gaze and interaction / Lepri, Bruno / Subramanian, Ramanathan / Kalimeri, Kyriaki / Staiano, Jacopo / Pianesi, Fabio / Sebe, Nicu Proceedings of the 2010 International Conference on Multimodal Interfaces 2010-11-08 p.7
ACM Digital Library Link
Summary: In order to predict the Extraversion personality trait, we exploit medium-grained behaviors enacted in group meetings, namely, speaking time and social attention (social gaze). The latter will be further distinguished in to attention given to the group members and attention received from them. The results of our work confirm many of our hypotheses: a) speaking time and (some forms of) social gaze are effective in automatically predicting Extraversion; b) classification accuracy is affected by the size of the time slices used for analysis, and c) to a large extent, the consideration of the social context does not add much to accuracy prediction, with an important exception concerning social gaze.

[15] An exploratory study of a touch-based gestural interface for elderly Design and interactive demonstrations / Leonardi, Chiara / Albertini, Adriano / Pianesi, Fabio / Zancanaro, Massimo Proceedings of the Sixth Nordic Conference on Human-Computer Interaction 2010-10-16 p.845-850
Keywords: Elderly, familiarity-based design, gestural interfaces, touch-based interfaces
ACM Digital Library Link
Summary: This paper presents the design ideas and a preliminary study of a touch-based gestural interface to support older adults in social networking. We had the hypothesis that the directness of gestures made them well suited to implement an interaction metaphor based on familiarity. Although preliminary, this hypothesis can be sustained. In particular, we found that most of the gestures (and in particular the iconic and the dynamic ones) have a hedonic quality that attracted and motivated our participants. We think that our results may contribute to the ongoing debate about gestural interfaces and help in understanding the value and the issue of this form of interaction.

[16] Older adults' attitude towards a monitoring technology Health care / Conci, Mario / Pianesi, Fabio / Zancanaro, Massimo Proceedings of the 2010 Annual European Conference on Cognitive Ergonomics 2010-08-25 p.143-146
ACM Digital Library Link
Summary: Motivation -- Investigate the acceptance of a monitoring technology by older people when presented as part of a tele-assistance service.
    Research approach -- Quantitative and qualitative methods were used to investigate the attitude of 10 older people towards a tele-assistance service augmented by a sensor network installed at home. Data were collected at different stages of the study through questionnaires and unstructured interviews.
    Findings/Design -- Although the augmented system was perceived as useful as the traditional one, the attitude towards the service slightly decreased in terms of perceived safety and satisfaction. This might be due to lack of perceived control over the functioning of the sensors. It also emerged that the aesthetic of the sensors was an important dimension that affected the general attitude towards the system.
    Research limitations/Implications -- Limited number of subjects involved.
    Originality/Value -- Although the study is only a pilot one and the number of subjects is limited, the value of the study is in the ecological setting (the participants used the system in their houses for 2.5 months).
    Take away message -- The dimension of control and the aesthetics are fundamental in the user's acceptance of new technologies also for frail users with low technological skills and high levels of computer anxiety.

[17] Towards remote handwriting deficits therapy: a study on the use of a touch-screen in replacing paper Posters and demonstrations / Conci, Mario / Pianesi, Fabio / Zancanaro, Massimo / Capasso, Rita / Monti, Alessia / Miceli, Gabriele Proceedings of the 2010 Annual European Conference on Cognitive Ergonomics 2010-08-25 p.359-361
ACM Digital Library Link
Summary: Motivation -- This pilot study wants to explore the effect of a touch-screen on the rehabilitation of acquired dysgraphia. The outcomes of the study might be useful for the design of a tele-rehabilitation system for handwriting disorders.
    Research approach -- The touch-screen is compared with the more traditional, pencil-and-paper approach. A specific software application was designed, based on a User Centered Design (UCD) approach and involving patients and therapists.
    Findings/Design -- Two patients with moderate aphasia agreed to participate in testing the application. The results showed no negative effects on the treatment and revealed a positive attitude towards the touch-screen from both patients and therapists.
    Take away message -- This preliminary study shows a substantial effectiveness of the touch-screen used as a device in the rehabilitation of handwriting deficits, and brings out issues relevant to the development of a tele-rehabilitation system.

[18] Collaborative Puzzle Game: a tabletop interactive game for fostering collaboration in children with Autism Spectrum Disorders (ASD) Collaborative experiences / Battocchi, A. / Pianesi, F. / Tomasini, D. / Zancanaro, M. / Esposito, G. / Venuti, P. / Sasson, A. Ben / Gal, E. / Weiss, P. L. Proceedings of the 2009 ACM International Conference on Interactive Tabletops and Surfaces 2009-11-23 p.197-204
ACM Digital Library Link
Summary: We present the design and evaluation of the Collaborative Puzzle Game (CPG), a tabletop interactive activity developed for fostering collaboration in children with Autism Spectrum Disorder (ASD). The CPG was inspired by cardboard jigsaw puzzles and runs on the MERL DiamondTouch table [7]. Digital pieces can be manipulated by direct finger touch. The CPG features a set of interaction rules called Enforced Collaboration (EC); in order to be moved, puzzle pieces must be touched and dragged simultaneously by two players. Two studies were conducted to test whether EC has the potential to serve as an interaction paradigm that would help foster collaborative skills. In Study 1, 70 boys with typical development were tested and in Study 2 16 boys with ASD were tested. Results show that EC has a positive effect on collaboration although it appears to be associated with a more complex interaction. For children with ASD, EC was also related to a higher number of "negotiation" moves, which may reflect their higher need of coordination during the collaborative activity.

[19] Useful, Social and Enjoyable: Mobile Phone Adoption by Older People Accessibility 2 / Conci, Mario / Pianesi, Fabio / Zancanaro, Massimo Proceedings of IFIP INTERACT'09: Human-Computer Interaction 2009-08-24 v.1 p.63-76
Keywords: TAM; mobile phones; elders; intrinsic motivation
Link to Digital Content at Springer
Summary: The paper presents an empirical model of acceptance of mobile phones by elderly people. It is based on an extension of the widely used TAM-Technology Acceptance Model and aims specifically at investigating the relationship among intrinsic and extrinsic motivations to use. The data consists of 740 questionnaires from people over 65 years old. The validated model shows that intrinsic motivations play an important role albeit always mediated by utilitarian motives. Similarly, it emerges a strong influence of the reference social group (children and relatives) in increasing the utilitarian values of the use of mobile phones. These findings suggest that mobile phone usage by elderly might not be, after all, too much different, from a motivational point of view, from that of younger or adult people.

[20] Modeling the Personality of Participants During Group Interactions Peer-reviewed Papers / Lepri, Bruno / Mana, Nadia / Cappelletti, Alessandro / Pianesi, Fabio / Zancanaro, Massimo Proceedings of the 2009 Conference on User Modeling, Adaptation and Personalization 2009-06-22 p.114-125
Keywords: Personality Modeling; Support Vector Regression; Adaptivity; Group Interactions
Link to Digital Content at SpringerLink
Summary: In this paper we target the automatic prediction of two personality traits, Extraversion and Locus of Control, in a meeting scenario using visual and acoustic features. We designed our task as a regression one where the goal is to predict the personality traits' scores obtained by the meeting participants. Support Vector Regression is applied to thin slices of behavior, in the form of 1-minute sequences.

[21] Knocking on elders' door: investigating the functional and emotional geography of their domestic space Designing for senior citizens / Leonardi, Chiara / Mennecozzi, Claudio / Not, Elena / Pianesi, Fabio / Zancanaro, Massimo / Gennai, Francesca / Cristoforetti, Antonio Proceedings of ACM CHI 2009 Conference on Human Factors in Computing Systems 2009-04-04 v.1 p.1703-1712
Keywords: aging, cultural probes, design of domestic technology
ACM Digital Library Link
Summary: The domestic environment is more than a place where to live. It is a territory of meaning, a place where pleasure, affect and aesthetics are deeply interwoven with the functional and utilitarian dimensions. With the aging process, the home is progressively invested with new meanings and functions, and becomes the emotional center of older people's life.
    This paper presents a user study based on cultural probes on how domestic spaces are managed and perceived by older adults, uncovering some of the complex interrelations among the daily activities, objects and meanings revolving around the home. The findings provide suggestions on how the dimensions of remembrance, perception of safety and environmental stability may affect the design of domestic technology for elderly people.

[22] The motivational and control structure underlying the acceptance of adaptive museum guides -- An empirical study / Pianesi, Fabio / Graziola, Ilenia / Zancanaro, Massimo / Goren-Bar, Dina Interacting with Computers 2009 v.21 n.3 p.186-200
Keywords: Technology acceptance; Adaptive guides; Intrinsic and extrinsic motivations; Utilitarian and hedonic systems
Link to Article at ScienceDirect
1. Introduction
2. Background
2.1. Technology acceptance
2.2. Extrinsic and intrinsic motivations
2.3. Path models
3. The research model
3.1. TAM's core
3.2. Intrinsic motivations and factors affecting them
3.3. Aspects of control
3.4. External variables
4. The study
4.1. The adaptive system
4.2. Measurement
4.3. Procedure and the sample
4.4. Data analysis
5. Discussion
6. Limitations
7. Conclusions
Appendix A. Introductory remarks for subjects
Appendix B. Instructions for subjects
Appendix C. Testing the model
C.1. Validation of the measurement model
C.2. Assessment of the structural model
Summary: Acceptance of adaptive museum guides raises important issues stemming from both the nature of the scenario (museum visit) and the very kind of technological approach adopted (adaptivity). As to the former, museum guides play a utilitarian role in a hedonic scenario; at present, however, it is not clear how this reflects on the balance between intrinsic and extrinsic motivations for guide acceptance. The adaptive nature of the guide, in turn, raises questions about the impact of the opaqueness of the system behavior, of the alleged loss of perceived control over the interaction, and the role of presentation personalization. All these issues are explored in this paper by means of a model derived from TAM and comprising both extrinsic and intrinsic motivational constructs. The results of a analysis of data from 115 subjects show that the motivational structure of the guide usage is mainly utilitarian, with intrinsic motivations playing a role insofar as they acquire an instrumental value. The impact of the control issues on acceptability is low and indirect, while the importance of the feedback provided by the system is confirmed. Finally, personalization positively impacts on user engagement, this way strengthening the empirical and theoretical groundings for work in adaptive systems.

[23] EDITED BOOK Computers in the Human Interaction Loop Human-Computer Interaction Series / Waibel, Alexander / Stiefelhagen, Rainer 2009 n.30 p.371 Springer London
DOI: 10.1007/978-1-84882-054-8
ISBN: 978-1-84882-053-1 (print), 978-1-84882-054-8 (online)
Link to Digital Content at Springer
== The CHIL Vision and Framework ==
Computers in the Human Interaction Loop (3-6)
	+ Waibel, Alex
	+ Steusloff, Hartwig
	+ Stiefelhagen, Rainer
	+ Watson, Kym
== Perceptual Technologies ==
Perceptual Technologies: Analyzing the Who, What, Where of Human Interaction (9-10)
	+ Stiefelhagen, Rainer
Person Tracking (11-22)
	+ Bernardin, Keni
	+ Stiefelhagen, Rainer
	+ Pnevmatikakis, Aristodemos
	+ Lanz, Oswald
	+ Brutti, Alessio
	+ Casas, Josep R.
	+ Potamianos, Gerasimos
Multimodal Person Identification (23-31)
	+ Pnevmatikakis, Aristodemos
	+ Ekenel, Hazim K.
	+ Barras, Claude
	+ Hernando, Javier
Estimation of Head Pose (33-42)
	+ Voit, Michael
	+ Gourier, Nicolas
	+ Canton-Ferrer, Cristian
	+ Lanz, Oswald
	+ Stiefelhagen, Rainer
	+ Brunelli, Roberto
Automatic Speech Recognition (43-59)
	+ Potamianos, Gerasimos
	+ Lamel, Lori
	+ Wölfel, Matthias
	+ Huang, Jing
	+ Marcheret, Etienne
	+ Barras, Claude
	+ Zhu, Xuan
	+ McDonough, John
	+ Hernando, Javier
	+ Macho, Dusan
	+ Nadeu, Climent
Acoustic Event Detection and Classification (61-73)
	+ Temko, Andrey
	+ Nadeu, Climent
	+ Macho, Dušan
	+ Malkin, Robert
	+ Zieger, Christian
	+ Omologo, Maurizio
Language Technologies: Question Answering in Speech Transcripts (75-86)
	+ Turmo, Jordi
	+ Surdeanu, Mihai
	+ Galibert, Olivier
	+ Rosset, Sophie
Extracting Interaction Cues: Focus of Attention, Body Pose, and Gestures (87-93)
	+ Lanz, Oswald
	+ Brunelli, Roberto
	+ Chippendale, Paul
	+ Voit, Michael
	+ Stiefelhagen, Rainer
Emotion Recognition (95-105)
	+ Neiberg, Daniel
	+ Elenius, Kjell
	+ Burger, Susanne
Activity Classification (107-119)
	+ Nickel, Kai
	+ Pardàs, Montse
	+ Stiefelhagen, Rainer
	+ Canton, Cristian
	+ Landabaso, José Luis
	+ et al
Situation Modeling (121-132)
	+ Brdiczka, Oliver
	+ Crowley, James L.
	+ Curín, Jan
	+ Kleindienst, Jan
Targeted Audio (133-141)
	+ Olszewski, Dirk
Multimodal Interaction Control (143-157)
	+ Beskow, Jonas
	+ Carlson, Rolf
	+ Edlund, Jens
	+ Granström, Björn
	+ Heldner, Mattias
	+ et al
Perceptual Component Evaluation and Data Collection (159-176)
	+ Moreau, Nicolas
	+ Mostefa, Djamel
	+ Choukri, Khalid
	+ Stiefelhagen, Rainer
	+ Burger, Susanne
== Services ==
User-Centered Design of CHIL Services: Introduction (179-186)
	+ Pianesi, Fabio
	+ Terken, Jacques
The Collaborative Workspace: A Co-located Tabletop Device to Support Meetings (187-205)
	+ Leonardi, Chiara
	+ Pianesi, Fabio
	+ Tomasini, Daniel
	+ Zancanaro, Massimo
The Memory Jog Service (207-234)
	+ Dimakis, Nikolaos
	+ Soldatos, John
	+ Polymenakos, Lazaros
	+ Sturm, Janienke
	+ Neumann, Joachim
	+ et al
The Connector Service: Representing Availability for Mobile Communication (235-256)
	+ Danninger, Maria
	+ Robles, Erica
	+ Sukumaran, Abhay
	+ Nass, Clifford
Relational Cockpit (257-270)
	+ Sturm, Janienke
	+ Terken, Jacques
Automatic Relational Reporting to Support Group Dynamics (271-281)
	+ Pianesi, Fabio
	+ Zancanaro, Massimo
	+ Cappelletti, Alessandro
	+ Lepri, Bruno
	+ Not, Elena
== The CHIL Reference Architecture ==
Introduction (285-290)
	+ Dimakis, Nikolaos
	+ Soldatos, John
	+ Polymenakos, Lazaros
The CHIL Reference Model Architecture for Multimodal Perceptual Systems (291-296)
	+ Sutschet, Gerhard
Low-Level Distributed Data Transfer Layer: The ChilFlow Middleware (297-305)
	+ Szeder, Gábor
Perceptual Component Data Models and APIs (307-313)
	+ Dimakis, Nikolaos
	+ Soldatos, John
	+ Polymenakos, Lazaros
	+ Curín, Jan
	+ Kleindienst, Jan
Situation Modeling Layer (315-324)
	+ Kleindienst, Jan
	+ Curín, Jan
	+ Brdiczka, Oliver
	+ Dimakis, Nikolaos
Ontological Modeling and Reasoning (325-340)
	+ Paar, Alexander
	+ Reuter, Jürgen
Building Scalable Services: The CHIL Agent Framework (341-352)
	+ Bürkle, Axel
	+ Dimakis, Nikolaos
	+ Karl, Ruth
	+ Müller, Wilmuth
	+ Pfirrmann, Uwe
	+ Schenk, Manfred
	+ et al
CHIL Integration Tools and Middleware (353-364)
	+ Curín, Jan
	+ Kleindienst, Jan
	+ Fleury, Pascal
== Beyond CHIL ==
Beyond CHIL (367-371)
	+ Waibel, Alex

[24] Multimodal recognition of personality traits in social interactions Special session on social signal processing (oral session) / Pianesi, Fabio / Mana, Nadia / Cappelletti, Alessandro / Lepri, Bruno / Zancanaro, Massimo Proceedings of the 2008 International Conference on Multimodal Interfaces 2008-10-20 p.53-60
Keywords: group interaction, intelligent environments, personality modeling, support vector machines
ACM Digital Library Link
Summary: This paper targets the automatic detection of personality traits in a meeting environment by means of audio and visual features; information about the relational context is captured by means of acoustic features designed to that purpose. Two personality traits are considered: Extraversion (from the Big Five) and the Locus of Control. The classification task is applied to thin slices of behaviour, in the form of 1-minute sequences. SVM were used to test the performances of several training and testing instance setups, including a restricted set of audio features obtained through feature selection. The outcomes improve considerably over existing results, provide evidence about the feasibility of the multimodal analysis of personality, the role of social context, and pave the way to further studies addressing different features setups and/or targeting different personality traits.

[25] Using the influence model to recognize functional roles in meetings Oral session 4: meeting applications / Dong, Wen / Lepri, Bruno / Cappelletti, Alessandro / Pentland, Alex Sandy / Pianesi, Fabio / Zancanaro, Massimo Proceedings of the 2007 International Conference on Multimodal Interfaces 2007-11-12 p.271-278
Keywords: group interaction, intelligent environments, support vector machines
ACM Digital Library Link
Summary: In this paper, an influence model is used to recognize functional roles played during meetings. Previous works on the same corpus demonstrated a high recognition accuracy using SVMs with RBF kernels. In this paper, we discuss the problems of that approach, mainly over-fitting, the curse of dimensionality and the inability to generalize to different group configurations. We present results obtained with an influence modeling method that avoid these problems and ensures both greater robustness and generalization capability.
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