Brazil Research Center

Os estudos semióticos permitem a observação dos fenômenos e de seus significados através dos signos. A semiótica, como a teoria do signo, apresenta-se como uma relação que pode ser abstraída em correlatos -termos da relação. De fato, signo é um padrão percebido que articula itens, qualidades, acontecimentos, processos e, num sentido amplo, é uma relação entre três elementos, portanto, triádica. Pode-se definir signo como qualquer coisa que representa alguma coisa e pode ser interpretado por alguém, isto é, é algo que estabelece algum tipo de significado para alguma mente interpretante. Por exemplo, quando se olha uma revista e se observa uma ilustração, de fato ela provoca algum tipo de sentimento, ação ou cognição e, assim, estamos diante do processo de semiose -ação do signo. Os signos são representações que permitem a observação dos fenômenos 1 que, por sua vez, podem ser classificados em três categorias universais identificadas pelo filósofo Charles Sanders Peirce (1983). Ele denominou essas categorias de: primeiridade, secundidade e terceiridade.

Abstract This study aims to identify visitor and resident's characteristics of cultural spaces. As well as, it looks for opinions and receptivity of information and communication technologies (ICTs) use. For this purpose, it was reviewed outstanding scientific papers published in tourism and mobility conferences and journals.

Text and hyperlink recommendations for designing mobile culturais guides Heloisa Candello interfaces móveis, multimídia, testes com usuários Este artigo descreve recomendações para o uso de texto e hiperlinks em interfaces móveis. Estas recomendações fazem parte de um conjunto de recomendações de como apresentar conteúdos multimídia culturais para serem mostrados em telefones celulares acessados em espaços abertos por seus usuários. O estudo comparou dois modos de mostrar texto na tela de um aparato móvel: o primeiro em texto corrido e o segundo com hiperlinks. No total, 32 participantes avaliaram o sistema. Como resultado, o estudo sugere que o design de telas contendo texto corrido e hiperlinks com informações culturais devem considerar a idade, a nacionalidade, familiaridade tecnológica dos usuários, bem como a compreensão do conteúdo na tela, a motivação em aprender novos conceitos e as expectativas dos usuários. mobile Interfaces, multimedia, user tests This paper aims to describe recommendations for text and hyperlink use in mobile interfaces. These recommendations belong to a cluster of recommendations of how to present multimedia content in mobile cultural guides to be accessed in open air spaces. The study compared two modes to present text on a mobile screen: first a full body text and second a text with hyperlinks. Overall, third-two participants evaluated those modes. As a result, the study suggests that designers should take in consideration some factors while designing layouts with text, such as: age, nationality, technology familiarity, as well comprehension of information on the screen, motivation to learn new concepts and user expectations. Sobre a autora Heloisa Candello <> PhD em Tecnologias Interativas (University of Brighton -UK); Mestre em Multimedia (UNICAMP -Brazil), graduação em Design na UFSC. Pesquisa sobre interação humano-computador. Artigo recebido em 10 ago. 2013, aprovado em 14 dez. 2013.

Teaching Artificial intelligence concepts is incorporated in many formal and informal educational institutions. This demo showcases a novel learning experience of fundamental AI concepts for children in a 30-minute, engaging, hands-on, and playful experience designed for museums and community centers. The experience aims to make children to comprehend that AI systems are built from and by people, and is materialized in a series of activities where the children improve the abilities of three AI-powered conversational robots competing in a quiz game. The demo shows how children can learn about AI by teaching machines in natural language in a way which enables them to grasp intuitively those essential ideas about AI. As part of the formative design process, 109 children interacted and evaluated the prototype. CCS CONCEPTS • Human-centered computing → Human computer interaction (HCI); Haptic devices.

A influência das tecnologias de informação e comunicação (TICs) no consumo do patrimônio cultural e turístico por visitantes e residentes: websites e mobile blogs The influence of communication and information technologies (ICTs) in the consumption of cultural heritage and tourism by locals and visitors: websites, mobile apps and blogs

Is it possible to develop a reliable QA-Corpus using social media data? What are the challenges faced when attempting such a task? In this paper, we discuss these questions and present our findings when developing a QA-Corpus on the topic of Brazilian finance. In order to populate our corpus, we relied on opinions from experts on Brazilian finance that are active on the Twitter application. From these experts, we extracted information from news websites that are used as answers in the corpus. Moreover, to effectively provide rankings of answers to questions, we employ novel word vector based similarity measures between short sentences (that accounts for both questions and Tweets). We validated our methods on a recently released dataset of similarity between short Portuguese sentences. Finally, we also discuss the effectiveness of our approach when used to rank answers to questions from real users.

In this work we present Destiny a cognitive mobile guide for Olympics games in Brazil that identifies user characteristics to deliver content. It will help visitors, athletes, and athletes' parents to localize themselves and receive tailored historical, cultural and entertainment information at a particular point of interest (POI). The application will recommend places to go and show POI contents according to user context based on several attributes such as personality (closeness, curiosity, adventurous), nationality, favorite places already visited, trip length, price range and favorite sports. CCS Concepts •Human-centered computing → Social recommendation; Ubiquitous and mobile devices;

A influência das tecnologias de informação e comunicação (TICs) no consumo do patrimônio cultural e turístico por visitantes e residentes: websites e mobile blogs The influence of communication and information technologies (ICTs) in the consumption of cultural heritage and tourism by locals and visitors: websites, mobile apps and blogs

Como a presença de audiência influencia a interação social com um sistema conversacional em um espaço físico? Para responder a essa questão, esta pesquisa analisou dados de uma exposição de arte em que os visitantes interagiam em linguagem natural com três chatbots representando personagens de um livro. Foram realizados dois estudos para explorar a influência das audiências. No Estudo 1 o trabalho em campo coletou e analisou de forma cruzada a percepção da interação social relatada, as condições da audiência (o visitante está sozinho, o visitante é observado por conhecidos e/ou estranhos) e variáveis de controle, como o gênero do visitante e a familiaridade com o livro. No Estudo 2 foram analisadas mais de 5.000 registros de conversas e gravações de vídeo, identificando padrões de diálogo e como eles se correlacionaram com as condições do público. Alguns efeitos significativos foram encontrados, sugerindo que sistemas conversacionais em espaços físicos devem ser projetados considera...

This one-day workshop intends to bring together both academics and industry practitioners to explore collaborative challenges in speech interaction. Recent improvements in speech recognition and computing power has led to conversational interfaces being introduced to many of the devices we use every day, such as smartphones, watches, and even televisions. These interfaces allow us to get things done, often by just speaking commands, relying on a reasonably well understood single-user model. While research on speech recognition is well established, the social implications of these interfaces remain underexplored, such as how we socialise, work, and play around such technologies, and how these might be better designed to support collaborative collocated talk-inaction. Moreover, the advent of new products such as the Amazon Echo and Google Home, which are positioned as supporting multiuser interaction in collocated environments such as the home, makes exploring the social and collaborative challenges around these products, a timely topic. In the workshop, we will review current practices and reflect upon prior work on studying talk-inaction and collocated interaction. We wish to begin a dialogue that takes on the renewed interest in research on spoken interaction with devices, grounded in the existing practices of the CSCW community.

Committee roadmap? The SIGCHI Volunteer Development Committee has developed a three-stage project roadmap to address the stresses we currently face. In 2019, during the first stage of the project, we planned a broad survey and interview-based study of volunteering for SIGCHI venues and activities. The survey solicits a wide range of perceptions and experiences, while identifying the differences in volunteer problems, barriers, opinions, needs, and expectations from the diverse groups in the SIGCHI community. The interviews will develop a detailed understanding of work that individuals involved in volunteer recruitment and management do, and reflect on how this impacts on the wider SIGCHI community and its values. They will help identify the scope and scale of experienced and anticipated problems, identify potential opportunities for change, and review new technical systems for supporting their work. We are now in the second stage of the project, conducting the surveys and interviews. Once our analysis is completed, we will present the findings to the SIGCHI community for feedback. This process will iteratively continue to inform and evaluate the design specification for a new volunteer-management system (supporting onboarding, user profiles and achievements, conflicts of interest, advertising volunteer opportunities, and providing educational content). In the third stage, we plan to implement and evaluate this volunteering system in real-life contexts to assess its effectiveness, both in supporting SIGCHI volunteers and in its impact on SIGCHI venues where volunteering has been under strain.

This one-day workshop intends to bring together both academics and industry practitioners to explore collaborative challenges in speech interaction. Recent improvements in speech recognition and computing power has led to conversational interfaces being introduced to many of the devices we use every day, such as smartphones, watches, and even televisions. These interfaces allow us to get things done, often by just speaking commands, relying on a reasonably well understood single-user model. While research on speech recognition is well established, the social implications of these interfaces remain underexplored, such as how we socialise, work, and play around such technologies, and how these might be better designed to support collaborative collocated talk-inaction. Moreover, the advent of new products such as the Amazon Echo and Google Home, which are positioned as supporting multiuser interaction in collocated environments such as the home, makes exploring the social and collaborative challenges around these products, a timely topic. In the workshop, we will review current practices and reflect upon prior work on studying talk-inaction and collocated interaction. We wish to begin a dialogue that takes on the renewed interest in research on spoken interaction with devices, grounded in the existing practices of the CSCW community.

How does the presence of an audience influence the social interaction with a conversational system in a physical space? To answer this question, we analyzed data from an art exhibit where visitors interacted in natural language with three chatbots representing characters from a book. We performed two studies to explore the influence of audiences. In Study 1, we did fieldwork cross-analyzing the reported perception of the social interaction, the audience conditions (visitor is alone, visitor is observed by acquaintances and/or strangers), and control variables such as the visitor's familiarity with the book and gender. In Study 2, we analyzed over 5,000 conversation logs and video recordings, identifying dialogue patterns and how they correlated with the audience conditions. Some significant effects were found, suggesting that conversational systems in physical spaces should be designed based on whether other people observe the user or not. CCS CONCEPTS • Human-centered computing → Empirical studies in HCI; Empirical studies in interaction design.

How much do visual aspects influence the perception of users about whether they are conversing with a human being or a machine in a mobile-chat environment? This paper describes a study on the influence of typefaces using a blind Turing test-inspired approach. The study consisted of two user experiments. First, three different typefaces (OCR, Georgia, Helvetica) and three neutral dialogues between a human and a financial adviser were shown to participants. The second experiment applied the same study design but OCR font was substituted by Bradley font. For each of our two independent experiments, participants were shown three dialogue transcriptions and three typefaces counterbalanced. For each dialogue typeface pair, participants had to classify adviser conversations as human or chatbot-like. The results showed that machine-like typefaces biased users towards perceiving the adviser as machines but, unexpectedly, handwritten-like typefaces had not the opposite effect. Those effects were, however, influenced by the familiarity of the user to artificial intelligence and other participants' characteristics.

This paper presents the results of a review of existing literature on user research practices for designing cognitive systems. Three databases were analyzed to review the user methods and approaches researchers apply in this field. It was considered methods and approaches aimed to gather user information and provide insights to design systems that augment human knowledge. As a result 82 papers were examined. It was clear the design process of Cognitive systems depends of user input and interaction to be successful; therefore new research methods are necessary to investigate how design artifacts might influence in decision-making, considering user interpretation, trust and confidence.

In this paper we describe the design process of a multi-bot conversational system to assist people to make more informed decisions about finance. Several user activities were held to understand the experience of investment decisions, the opportunities to design financial cognitive advisers, and the user perceptions of such systems. Valuable information was gathered from four user studies which assisted the project team to decide what would be the best approach to help people to make more informed decisions about investments using technology. The user studies findings highlighted that financial decisions are made based on information people receive from friends, news, and social networks, which led us to explore intelligent systems that would gather such information and play the role of financial advisers in a multiparty conversational system. We discuss the main design implications of our studies in the context of a prototype called CognIA and conclude discussing several challenges of designing conversational systems.

This virtual workshop seeks to bring together the burgeoning communities centred on the design, development, application, and study of so-called Conversational User Interfaces (CUIs). CUIs are used in myriad contexts, from online support chatbots through to entertainment devices in the home. In this workshop, we will examine the challenges involved in transforming CUIs into everyday computing devices capable of supporting collaborative activities across space and time. Additionally, this workshop seeks to establish a cohesive CUI community and research agenda within CSCW. We will examine the roles in which CSCW research can contribute insights into understanding how CUIs are or can be used in a variety of settings, from public to private, and how they can be brought into a potentially unlimited number of tasks. This proposed workshop will bring together researchers from academia and practitioners from industry to survey the state-of-the-art in terms of CUI design, use, and understanding, and will map new areas for work including addressing the technical, social, and ethical challenges that lay ahead. By bringing together existing researchers and new ideas in this space, we intend to foster a strong community and enable potential future collaborations. CCS CONCEPTS • Human-centered computing → Natural language interfaces; Collaborative and social computing systems and tools.

This paper describes a set of qualitative interventions which aimed to unveil the practices of teaching conversational machines used in the automatic customer service. The study aimed to understand the activity of mapping information into conversational systems platforms to create chatbots (text or voice-based) to attend end-users in conjunction with call centers. We interviewed eleven domain experts with nonmachine learning skills responsible for curating the content of the chatbots in two contexts. The first was in the domain of human resources and the second was in a banking domain. Additionally, we conducted four design workshops with experienced curators to understand deeper their challenges when teaching novice curators. We describe some of the fundamental tasks of content curators and we list a group of challenges and opportunities for improving the machine teacher's practices and supporting decision making.