Alejandro Catalá
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View article: Measuring and implementing lexical alignment: A systematic literature review
Measuring and implementing lexical alignment: A systematic literature review Open
Lexical Alignment is a phenomenon often found in human–human conversations, where the interlocutors converge during a conversation to use the same terms and phrases for the same underlying concepts. Alignment (linguistic) is a mechanism us…
View article: Trust in a Human-Computer Collaborative Task With or Without Lexical Alignment
Trust in a Human-Computer Collaborative Task With or Without Lexical Alignment Open
Lexical alignment is a form of personalization frequently found in human-human conversations. Recently, attempts have been made to incorporate it in human-computer conversations. We describe an experiment to investigate the trust of users …
View article: Operationalizing Explainable Artificial Intelligence in the European Union Regulatory Ecosystem
Operationalizing Explainable Artificial Intelligence in the European Union Regulatory Ecosystem Open
The European Union’s (EU’s) regulatory ecosystem presents challenges with balancing legal and sociotechnical drivers for explainable artificial intelligence (XAI) systems. Core tensions emerge on dimensions of oversight, user needs, and li…
View article: Adapting Technology for Dementia Care: The Case of Emobook App in Reminiscence focused Music Therapy
Adapting Technology for Dementia Care: The Case of Emobook App in Reminiscence focused Music Therapy Open
INTRODUCTION: Life Story books are frequently employed to facilitate reminiscence interventions, but their use in Music Therapy remains limited in the scientific literature. There is a paucity of research detailing the design processes inv…
View article: Enriching interactive explanations with fuzzy temporal constraint networks
Enriching interactive explanations with fuzzy temporal constraint networks Open
Humans often use expressions with vague terms which play a fundamental role for effective communication. These expressions are successfully modeled with fuzzy technology, but they are not usually integrated yet with Natural Language Proces…
View article: Information-seeking dialogue for explainable artificial intelligence: Modelling and analytics
Information-seeking dialogue for explainable artificial intelligence: Modelling and analytics Open
Explainable artificial intelligence has become a vitally important research field aiming, among other tasks, to justify predictions made by intelligent classifiers automatically learned from data. Importantly, efficiency of automated expla…
View article: The Role of Lexical Alignment in Human Understanding of Explanations by Conversational Agents
The Role of Lexical Alignment in Human Understanding of Explanations by Conversational Agents Open
This dataset was collected as part of the research investigating the role of lexical alignment in understanding. The dataset consists of the responses of 179 participants recruited via Prolific (a crowdsourcing platform). 1. Dialogue with …
View article: The Role of Lexical Alignment in Human Understanding of Explanations by Conversational Agents
The Role of Lexical Alignment in Human Understanding of Explanations by Conversational Agents Open
This dataset was collected as part of the research investigating the role of lexical alignment in understanding. The dataset consists of the responses of 179 participants recruited via Prolific (a crowdsourcing platform). 1. Dialogue with …
View article: The Role of Lexical Alignment in Human Understanding of Explanations by Conversational Agents
The Role of Lexical Alignment in Human Understanding of Explanations by Conversational Agents Open
Poster presented at the ICT.Open 2023 conference.
View article: Smart Toys++: Exploiting the Social Connectedness for Playing and Learning
Smart Toys++: Exploiting the Social Connectedness for Playing and Learning Open
Under the umbrella of smart toys, a myriad of interactive systems have addressed a variety of scenarios considering entertainment, education, sustainability, social and environmental learning through play. Tangibles and small toy robots pr…
View article: The Dawn of the Human-Machine Era: A forecast of new and emerging language technologies
The Dawn of the Human-Machine Era: A forecast of new and emerging language technologies Open
New language technologies are coming, thanks to the huge and competing private investment fuelling rapid progress; we can either understand and foresee their effects, or be taken by surprise and spend our time trying to catch up. This repo…
View article: Negative UX-Based Approach for Deriving Sustainability Requirements
Negative UX-Based Approach for Deriving Sustainability Requirements Open
In this chapter, a Negative User Experience (NUX)-based method for deriving sustainability requirements of persuasive software systems is proposed. The method relies on the analysis of NUX assessment, and the exploitation of relationships …
View article: A Survey of Contrastive and Counterfactual Explanation Generation Methods for Explainable Artificial Intelligence
A Survey of Contrastive and Counterfactual Explanation Generation Methods for Explainable Artificial Intelligence Open
A number of algorithms in the field of artificial intelligence offer poorly interpretable decisions. To disclose the reasoning behind such algorithms, their output can be explained by means of socalled evidence-based (or factual) explanati…
View article: The Dawn of the Human-Machine Era: A forecast of new and emerging language technologies
The Dawn of the Human-Machine Era: A forecast of new and emerging language technologies Open
New language technologies are coming, thanks to the huge and competing private investment fuelling rapid progress; we can either understand and foresee their effects, or be taken by surprise and spend our time trying to catch up. This repo…
View article: Understanding Implicit User Feedback from Multisensorial and Physiological Data
Understanding Implicit User Feedback from Multisensorial and Physiological Data Open
Ensuring the quality of user experience is very important for increasing the acceptance likelihood of software applications, which can be affected by several contextual factors that continuously change over time (e.g., emotional state of e…
View article: Towards a non-functional requirements discovery approach for persuasive systems
Towards a non-functional requirements discovery approach for persuasive systems Open
A number of software systems that attempt to help people achieve behavior change have been proposed in various domains such as health and wellness. However, sometimes, such systems have failed to provide a satisfactory or sustainable User …
View article: Designing a Smart Toy Interactive Setting for Creating Stories
Designing a Smart Toy Interactive Setting for Creating Stories Open
Smart and robotic toys introduce more possibilities than ever for building interactive settings for playful learning. Here we explore their use for supporting the development of storytelling skills in children. Previous research on interac…
View article: A Nichesourcing Framework applied to Software Sustainability Requirements
A Nichesourcing Framework applied to Software Sustainability Requirements Open
Background] A software sustainability model is commonly defined in terms of social, economic, technical and environmental dimensions. A key challenge is its characterization regarding sustainability requirements and their dependencies sinc…
View article: Paving the way towards counterfactual generation in argumentative conversational agents
Paving the way towards counterfactual generation in argumentative conversational agents Open
Ilia Stepin, Alejandro Catala, Martin Pereira-Fariña, Jose M. Alonso. Proceedings of the 1st Workshop on Interactive Natural Language Technology for Explainable Artificial Intelligence (NL4XAI 2019). 2019.
View article: Rethinking children's co-creation processes beyond the design of TUIs
Rethinking children's co-creation processes beyond the design of TUIs Open
The design of Tangible User Interfaces (TUIs) has often involved children. Nowadays, the term co-creation is gaining momentum and extending the already established role of children as co-designers. In this sense children become creators of…
View article: Discovering requirements of behaviour change software systems from negative user experience
Discovering requirements of behaviour change software systems from negative user experience Open
Behavior Change Software systems (BCSSs) have shown promising outcomes in terms of promoting healthy behaviors. However, a negative User Experience (UX) can be induced by BCSS if designers do not have clear understanding of the requirement…
View article: Supporting Content Design with an Eye Tracker: The Case of Weather-based Recommendations
Supporting Content Design with an Eye Tracker: The Case of Weather-based Recommendations Open
Designing content output for weatheraware services based on domain experts can sometimes be arduous due to their limited availability and the amount and complexity of information considered in explaining their recommendations.As an initial…
View article: Designing a Co-Creative Dancing Robotic Tablet
Designing a Co-Creative Dancing Robotic Tablet Open
This paper reports the design and evaluation following user-centered methods of a dancing robotic tablet prototype for co-creative human-robot interaction. An initial exploratory interview study served to obtain requirements for the design…