Semiotic engineering : A new paradigm for designing interactive systems

This paper presents semiotic engineering – a semiotic theory of HCI. The theory has the advantage to integrate back end and front end design and development perspectives into a single metacommunication process that affects the user’s experience and, ultimately, the success of any system. By means of illustrative examples, we show the kinds of effects that can be achieved with the theory, and discuss why a semiotic perspective is relevant for the future of information systemsThe past and the future of information systems: 1976-2006 and beyondRed de Universidades con Carreras en Informática (RedUNCI

Semiotic engineering : A new paradigm for designing interactive systems

This paper presents semiotic engineering – a semiotic theory of HCI. The theory has the advantage to integrate back end and front end design and development perspectives into a single metacommunication process that affects the user’s experience and, ultimately, the success of any system. By means of illustrative examples, we show the kinds of effects that can be achieved with the theory, and discuss why a semiotic perspective is relevant for the future of information systemsThe past and the future of information systems: 1976-2006 and beyondRed de Universidades con Carreras en Informática (RedUNCI

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Using Model Cards for ethical reflection on machine learning models: an interview-based study

How do tools designed for documenting machine learning models contribute to developers’ ethical reflection? We set out to answer this question regarding Model Cards, a tool proposed for such purpose. We conducted a thematic analysis of eight semi-structured interviews based on speculative design sessions. Each participant assumed the role of developer of an artificial intelligence model in one of two scenarios: loan applications or university admissions. We found evidence that designers may have been selective about which ethical issues – from among those they had reflected on – they recorded in the Model Cards. While participants were hesitant to grant full autonomy to the artifact to be developed, we identified they still tended to rely on a third party (outside the design team) to mediate the relationship between the system and other stakeholders. Our findings contribute to our understanding of documentation tools, their epistemic value, and how they can be leveraged to engage in a more ethically informed design process of artificial intelligence systems

Collaborative Web Scripting for Improved Accessibility Collaborative Web Scripting for Improved Accessibility *

Abstract. This paper presents WNH, the Web Navigation Helper, which is based on CoScripter, a collaborative macro recorder for the web. WNH helps blind and functionally illiterate users interact with websites by interpreting previously generated scripts for achieving various kinds of tasks. We report the results of a preliminary empirical study carried out during formative evaluation steps and discuss some of the challenges and promises associated to our findings

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