We describe a new notation for interactive systems. It is based on links between the nodes that represent the various affordances available to the user of an interactive system. Like any notation its main benefit may be that of facilitating communication between the customer who commissions the system, the interaction designer and the implementer. The origin of the new notation was a proposed representation of an app designed to support a person with Type-1 diabetes in the management of their condition, and the use of that representation to investigate navigational transitions carried out by the user. Potential generalization of the notation, as well as its benefits and weaknesses, are being investigated.
{"title":"A New Notation for Interactive Systems","authors":"R. Spence, Leah Redmond","doi":"10.1145/3399715.3399940","DOIUrl":"https://doi.org/10.1145/3399715.3399940","url":null,"abstract":"We describe a new notation for interactive systems. It is based on links between the nodes that represent the various affordances available to the user of an interactive system. Like any notation its main benefit may be that of facilitating communication between the customer who commissions the system, the interaction designer and the implementer. The origin of the new notation was a proposed representation of an app designed to support a person with Type-1 diabetes in the management of their condition, and the use of that representation to investigate navigational transitions carried out by the user. Potential generalization of the notation, as well as its benefits and weaknesses, are being investigated.","PeriodicalId":149902,"journal":{"name":"Proceedings of the International Conference on Advanced Visual Interfaces","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115324827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Federica Amato, M. D. Gregorio, Clara Monaco, M. Sebillo, G. Tortora, G. Vitiello
In this work, we illustrate an innovative treatment for patients affected by Behavioral Disorders, that relies on the use of Pepper humanoid robot. This new therapeutic methodology was created to support and make the therapist's work more attractive. Pepper is equipped with a tablet and two identical cameras. The tablet is used to let the patient interact with the application, while the cameras are used to capture their real-time emotions to understand the degree of attention and any difficulty that they may have. The interaction with the tablet takes place through some exercises in the form of games. The exercises performed by the subject are analyzed and combined with the data captured by the cameras. The combination of these data is processed to propose appropriate levels of therapeutic activities. This process leads to the digitization of the patient's healing path so that any improvement (or worsening) is monitored and causes Pepper to become a reliable and predictable technological intermediary for the child. The work has been developed in collaboration with a diagnostic and therapeutic center. Interacting with a humanoid robot, children exhibit a higher engagement, which can be explained, according to the psychologists, by the fact that a robot is emotionally less rich than human beings, and the patient feels less scared.
{"title":"The Therapeutic Use of Humanoid Robots for Behavioral Disorders","authors":"Federica Amato, M. D. Gregorio, Clara Monaco, M. Sebillo, G. Tortora, G. Vitiello","doi":"10.1145/3399715.3399960","DOIUrl":"https://doi.org/10.1145/3399715.3399960","url":null,"abstract":"In this work, we illustrate an innovative treatment for patients affected by Behavioral Disorders, that relies on the use of Pepper humanoid robot. This new therapeutic methodology was created to support and make the therapist's work more attractive. Pepper is equipped with a tablet and two identical cameras. The tablet is used to let the patient interact with the application, while the cameras are used to capture their real-time emotions to understand the degree of attention and any difficulty that they may have. The interaction with the tablet takes place through some exercises in the form of games. The exercises performed by the subject are analyzed and combined with the data captured by the cameras. The combination of these data is processed to propose appropriate levels of therapeutic activities. This process leads to the digitization of the patient's healing path so that any improvement (or worsening) is monitored and causes Pepper to become a reliable and predictable technological intermediary for the child. The work has been developed in collaboration with a diagnostic and therapeutic center. Interacting with a humanoid robot, children exhibit a higher engagement, which can be explained, according to the psychologists, by the fact that a robot is emotionally less rich than human beings, and the patient feels less scared.","PeriodicalId":149902,"journal":{"name":"Proceedings of the International Conference on Advanced Visual Interfaces","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125149755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The use of smartphones is dramatically increasing. As a consequence, many organizations have the need of migrating their Java desktop applications towards the mobile technology. In this paper we present a miniaturization approach (process and supporting tool) named miniJava for the automatic miniaturization of Java desktop applications towards Android. The Java business logic is unvaried, while the calls to the Java objects of the interface are mapped into call to objects of the target technology. Semi-automatic layout fragmentation enables us to partition a desktop Java interface in various mobile screens. The approach also migrates the application files and enables the network connection. We conduct a user study where we assess the user perception in terms of user experience and affective reaction of the miniaturized application generated by a real Java desktop application which also has real Android variant. The end-user sample consisted of 18 participants. Results of this preliminary evaluation are encouraging: they do not reveal particular problems when using the miniaturized version automatically generated of the real desktop app with respect to its original Android variant, except for the novelty, which is better perceived for the native Android one.
{"title":"miniJava","authors":"Rita Francese, M. Risi, Genoveffa Tortora","doi":"10.1145/3399715.3399847","DOIUrl":"https://doi.org/10.1145/3399715.3399847","url":null,"abstract":"The use of smartphones is dramatically increasing. As a consequence, many organizations have the need of migrating their Java desktop applications towards the mobile technology. In this paper we present a miniaturization approach (process and supporting tool) named miniJava for the automatic miniaturization of Java desktop applications towards Android. The Java business logic is unvaried, while the calls to the Java objects of the interface are mapped into call to objects of the target technology. Semi-automatic layout fragmentation enables us to partition a desktop Java interface in various mobile screens. The approach also migrates the application files and enables the network connection. We conduct a user study where we assess the user perception in terms of user experience and affective reaction of the miniaturized application generated by a real Java desktop application which also has real Android variant. The end-user sample consisted of 18 participants. Results of this preliminary evaluation are encouraging: they do not reveal particular problems when using the miniaturized version automatically generated of the real desktop app with respect to its original Android variant, except for the novelty, which is better perceived for the native Android one.","PeriodicalId":149902,"journal":{"name":"Proceedings of the International Conference on Advanced Visual Interfaces","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126953148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Evaluating the forecasting ability of time-series involves observations of multiple charts representing different aspects of model accuracy. However, the sequence of the charts observed by users is not controlled and it is difficult for users to discover relations among charts. Therefore, we propose a method for constructing a navigation structure that shows these relations based on the syntax and semantics of the charts. An excerpt from the structure is used as a context menu that allows users to navigate through a series of charts and explore their relations in a structured way. A qualitative study is conducted to evaluate the system and the results show that our approach helps users explore the connections among charts and enhances the understanding of time-series forecasting performance.
{"title":"Visual Exploration of Time-Series Forecasts Through Structured Navigation","authors":"Xiaoyi Wang, K. Hornbæk","doi":"10.1145/3399715.3399906","DOIUrl":"https://doi.org/10.1145/3399715.3399906","url":null,"abstract":"Evaluating the forecasting ability of time-series involves observations of multiple charts representing different aspects of model accuracy. However, the sequence of the charts observed by users is not controlled and it is difficult for users to discover relations among charts. Therefore, we propose a method for constructing a navigation structure that shows these relations based on the syntax and semantics of the charts. An excerpt from the structure is used as a context menu that allows users to navigate through a series of charts and explore their relations in a structured way. A qualitative study is conducted to evaluate the system and the results show that our approach helps users explore the connections among charts and enhances the understanding of time-series forecasting performance.","PeriodicalId":149902,"journal":{"name":"Proceedings of the International Conference on Advanced Visual Interfaces","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125956627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Marija Schufrin, D. Sessler, S. L. Reynolds, Salmah Ahmad, Tobias Mertz, J. Kohlhammer
With the aim to increase the awareness of the everyday internet user for the own home network traffic, we present two interactive visualization interfaces for visual exploration of home router traffic records. Thereby we differentiate between users with a present intrinsic motivation for the topic and those with absent intrinsic motivation. Therefore, gamification in the first interface is used to maintain motivation of the first type of user, while the storytelling concept based on the hero's journey in the second interface aims at increasing the perceived incentives for the second user group.
{"title":"Information Visualization Interface on Home Router Traffic Data for Laypersons","authors":"Marija Schufrin, D. Sessler, S. L. Reynolds, Salmah Ahmad, Tobias Mertz, J. Kohlhammer","doi":"10.1145/3399715.3399970","DOIUrl":"https://doi.org/10.1145/3399715.3399970","url":null,"abstract":"With the aim to increase the awareness of the everyday internet user for the own home network traffic, we present two interactive visualization interfaces for visual exploration of home router traffic records. Thereby we differentiate between users with a present intrinsic motivation for the topic and those with absent intrinsic motivation. Therefore, gamification in the first interface is used to maintain motivation of the first type of user, while the storytelling concept based on the hero's journey in the second interface aims at increasing the perceived incentives for the second user group.","PeriodicalId":149902,"journal":{"name":"Proceedings of the International Conference on Advanced Visual Interfaces","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125604697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
G. Coppola, G. Costagliola, Mattia De Rosa, V. Fuccella
In this paper, we present Domus, an educational game for multi-touch tables that makes use of a Tangible User Interface (TUI). In particular, it uses as game pieces physical objects called tangibles, which have conductive feet arranged in different patterns so that the device can recognize their position/rotation. Domus is designed to be used in museum environments. The game board, in fact, simulates the environments of an ancient Roman domus, inspired by those present in Pompeii. Depending on the position of the tangibles on the screen and on the actions carried out by the users, the system will provide notions and multimedia contents concerning the daily life of the ancient Romans, thus allowing gradual learning during the gaming session.
{"title":"Domus","authors":"G. Coppola, G. Costagliola, Mattia De Rosa, V. Fuccella","doi":"10.1145/3399715.3399951","DOIUrl":"https://doi.org/10.1145/3399715.3399951","url":null,"abstract":"In this paper, we present Domus, an educational game for multi-touch tables that makes use of a Tangible User Interface (TUI). In particular, it uses as game pieces physical objects called tangibles, which have conductive feet arranged in different patterns so that the device can recognize their position/rotation. Domus is designed to be used in museum environments. The game board, in fact, simulates the environments of an ancient Roman domus, inspired by those present in Pompeii. Depending on the position of the tangibles on the screen and on the actions carried out by the users, the system will provide notions and multimedia contents concerning the daily life of the ancient Romans, thus allowing gradual learning during the gaming session.","PeriodicalId":149902,"journal":{"name":"Proceedings of the International Conference on Advanced Visual Interfaces","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125171877","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
How can user interface and user experience (UI/UX) professionals assess whether their software supports diverse users? And if they find problems, how can they fix them? We begin this keynote address with a summary of GenderMag, a systematic inspection method for finding and fixing "gender inclusivity bugs---biases against different genders in software interfaces and workflows. We then show what UI/UX professionals are doing with it in the real world, from their bias finds & fixes to their practices & pitfalls in using it. Finally, we present InclusiveMag, a meta-method that can be used by HCI researchers to generate systematic inclusiveness methods for other dimensions of diversity.
{"title":"Doing Inclusive Design: From GenderMag in the Trenches to Inclusive Mag in the Research Lab","authors":"M. Burnett","doi":"10.1145/3399715.3400871","DOIUrl":"https://doi.org/10.1145/3399715.3400871","url":null,"abstract":"How can user interface and user experience (UI/UX) professionals assess whether their software supports diverse users? And if they find problems, how can they fix them? We begin this keynote address with a summary of GenderMag, a systematic inspection method for finding and fixing \"gender inclusivity bugs---biases against different genders in software interfaces and workflows. We then show what UI/UX professionals are doing with it in the real world, from their bias finds & fixes to their practices & pitfalls in using it. Finally, we present InclusiveMag, a meta-method that can be used by HCI researchers to generate systematic inclusiveness methods for other dimensions of diversity.","PeriodicalId":149902,"journal":{"name":"Proceedings of the International Conference on Advanced Visual Interfaces","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115355269","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. D. Stefano, Michele Simone Gambardella, Fabiano Pecorelli, Fabio Palomba, A. D. Lucia
During software evolution, code is inevitably subject to continuous changes that are often performed by developers within short and strict deadlines. As a consequence, good design practices are often sacrificed, possibly leading to the introduction of sub-optimal design or implementation solutions, the so-called code smells. Several studies have shown that the presence of code smells makes the source code more change- and fault-prone, reduces productivity, and causes greater rework and more significant design efforts for developers. Refactoring is the practice that developers may use to remove code smells without changing the external behavior of the source code. However, it requires much time and effort and is poorly automated, often leading developers to prefer keeping low-quality code instead of spending time in designing and performing refactoring operations. To mitigate this problem and support developers throughout the process of code smell identification and refactoring, in this paper we present cASpER, a IntelliJ IDEA plugin that provides visual and semi-automatic support for detection and refactoring four different types of code smells. Tool. Jetbrains: https://plugins.jetbrains.com/plugin/13659-casper Video. https://youtu.be/HBWF8fFJM8s
{"title":"cASpER: A Plug-in for Automated Code Smell Detection and Refactoring","authors":"M. D. Stefano, Michele Simone Gambardella, Fabiano Pecorelli, Fabio Palomba, A. D. Lucia","doi":"10.1145/3399715.3399955","DOIUrl":"https://doi.org/10.1145/3399715.3399955","url":null,"abstract":"During software evolution, code is inevitably subject to continuous changes that are often performed by developers within short and strict deadlines. As a consequence, good design practices are often sacrificed, possibly leading to the introduction of sub-optimal design or implementation solutions, the so-called code smells. Several studies have shown that the presence of code smells makes the source code more change- and fault-prone, reduces productivity, and causes greater rework and more significant design efforts for developers. Refactoring is the practice that developers may use to remove code smells without changing the external behavior of the source code. However, it requires much time and effort and is poorly automated, often leading developers to prefer keeping low-quality code instead of spending time in designing and performing refactoring operations. To mitigate this problem and support developers throughout the process of code smell identification and refactoring, in this paper we present cASpER, a IntelliJ IDEA plugin that provides visual and semi-automatic support for detection and refactoring four different types of code smells. Tool. Jetbrains: https://plugins.jetbrains.com/plugin/13659-casper Video. https://youtu.be/HBWF8fFJM8s","PeriodicalId":149902,"journal":{"name":"Proceedings of the International Conference on Advanced Visual Interfaces","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122523707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
We investigate the memorability of two types of cartograms, both in terms of recognition of the visualization and recall of the data. A cartogram, or a value-by-area map, is a representation of a map in which geographic regions are modified to reflect a given statistic, such as population or income. Of the many different types of cartograms, the contiguous and Dorling types are among the most popular and most effective. With this in mind, we evaluate the memorability of these two cartogram types with a human-subjects study, using task-based experimental data and cartogram visualization tasks based on Bertin's map reading levels. In particular, our results indicate that Dorling cartograms are associated with better recall of general patterns and trends. This, together with additional significant differences between the two most popular cartogram types, has implications for the design and use of cartograms, in the context of memorability.
{"title":"Recognition and Recall of Geographic Data In Cartograms","authors":"S. Nusrat, M. J. Alam, S. Kobourov","doi":"10.1145/3399715.3399873","DOIUrl":"https://doi.org/10.1145/3399715.3399873","url":null,"abstract":"We investigate the memorability of two types of cartograms, both in terms of recognition of the visualization and recall of the data. A cartogram, or a value-by-area map, is a representation of a map in which geographic regions are modified to reflect a given statistic, such as population or income. Of the many different types of cartograms, the contiguous and Dorling types are among the most popular and most effective. With this in mind, we evaluate the memorability of these two cartogram types with a human-subjects study, using task-based experimental data and cartogram visualization tasks based on Bertin's map reading levels. In particular, our results indicate that Dorling cartograms are associated with better recall of general patterns and trends. This, together with additional significant differences between the two most popular cartogram types, has implications for the design and use of cartograms, in the context of memorability.","PeriodicalId":149902,"journal":{"name":"Proceedings of the International Conference on Advanced Visual Interfaces","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121947028","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
T. Kosch, Mariam Hassib, Robin Reutter, Florian Alt
Exploiting emotions for user interface evaluation became an increasingly important research objective in Human-Computer Interaction. Emotions are usually assessed through surveys that do not allow information to be collected in real-time. In our work, we suggest the use of smartphones for mobile emotion assessment. We use the front-facing smartphone camera as a tool for emotion detection based on facial expressions. Such information can be used to reflect on emotional states or provide emotion-aware user interface adaptation. We collected facial expressions along with app usage data in a two-week field study consisting of a one-week training phase and a one-week testing phase. We built and evaluated a person-dependent classifier, yielding an average classification improvement of 33% compared to classifying facial expressions only. Furthermore, we correlate the estimated emotions with concurrent app usage to draw insights into changes in mood. Our work is complemented by a discussion of the feasibility of probing emotions on-the-go and potential use cases for future emotion-aware applications.
{"title":"Emotions on the Go: Mobile Emotion Assessment in Real-Time using Facial Expressions","authors":"T. Kosch, Mariam Hassib, Robin Reutter, Florian Alt","doi":"10.1145/3399715.3399928","DOIUrl":"https://doi.org/10.1145/3399715.3399928","url":null,"abstract":"Exploiting emotions for user interface evaluation became an increasingly important research objective in Human-Computer Interaction. Emotions are usually assessed through surveys that do not allow information to be collected in real-time. In our work, we suggest the use of smartphones for mobile emotion assessment. We use the front-facing smartphone camera as a tool for emotion detection based on facial expressions. Such information can be used to reflect on emotional states or provide emotion-aware user interface adaptation. We collected facial expressions along with app usage data in a two-week field study consisting of a one-week training phase and a one-week testing phase. We built and evaluated a person-dependent classifier, yielding an average classification improvement of 33% compared to classifying facial expressions only. Furthermore, we correlate the estimated emotions with concurrent app usage to draw insights into changes in mood. Our work is complemented by a discussion of the feasibility of probing emotions on-the-go and potential use cases for future emotion-aware applications.","PeriodicalId":149902,"journal":{"name":"Proceedings of the International Conference on Advanced Visual Interfaces","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132498973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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