Nuno Jardim Nunes

University of Lisbon | UL · Informatics Engineering

Background Freshwater ecosystems play a vital role for hosting life, and their study can elucidate their dynamic state throughout time. However, there is not much knowledge about the microbial profiles and their relevance for the ecosystem balance is still unclear. Methods In this Brief Report three freshwater samples collected in the Tagus River n...

Background Freshwater ecosystems play a vital role for humans and more-than-humans, and their study can elucidate their dynamic state throughout time. However, there is not much knowledge about the microbial profiles and their relevance for the ecosystem balance is still unclear. Methods In this Brief Report three freshwater samples collected in th...

HCI and design studies have increasingly identified challenges for gig workers and advocated for designs centered around worker justice. However, there’s an existing research gap in understanding how platform designers approach gig worker issues in their practice. Our study engaged ten platform designers from food delivery and ride-hailing platform...

In 2020, Europe announced the New European Bauhaus (NEB). While the initiative intends to achieve EU sustainability goals, framing it under the name of the Bauhaus brings various challenges and issues to the fore. In this article, we analyze the critiques of the original Bauhaus and the NEB to understand the challenges that the NEB lighthouse proje...

As hackathons go mainstream, they face an increasing and partly controversial appropriation that calls for critical examination. Born as software development events within the open-source community, hackathons consistently became the feeding grounds of private companies and venture capitalists looking for new talent and products. In this context, w...

This paper introduces “hackeanos”―portmanteau of “hacking” and “Okeanos”, an innovative collaborative event format aimed at fostering tech-inspired blue citizenship. In hackeanos participants are invited to appropriate technologies in order to decode and reconfigure their relationship with the Ocean―understood as a single interconnected planetary e...

Heritage is a dynamic concept, being constantly redefined by those that value it. Modern approaches to heritage bring focus to participatory processes that put communities at the centre of the heritage discourse. For migrant communities, these participatory processes can show the tension of integration versus identity, as migrants integrating into...

Representing local ecosystems may bridge the gap between people and their surrounding natural environment, increasing the understanding by non-experts of ecological services. This preliminary study leverages the potential of Artificial Intelligence (AI) to simplify the visualization and communication of these phenomena to non-experts. Here we gener...

Decentralized ledger technology (DLT) is becoming ubiquitous in today’s society. However, organizations need to connect their existing systems and processes to blockchains (centralized, decentralized) securely and reliably, sometimes also implying that they need to connect blockchains (decentralized, decentralized). This challenge is known as block...

Power demand forecasting is becoming a crucial tool for the planning and operation of Low Voltage (LV) distribution systems. Most importantly, the high penetration of Photovoltaics (PV) power generation as part of Distributed Energy Resource (DER)s has transformed the power demand forecasting problem at the distribution level into net-load forecast...

As the concept of the Metaverse becomes a reality, storytelling tools sharpen their teeth to include Artificial Intelligence and Augmented Reality as prominent enabling features. While digitally savvy and privileged populations are well-positioned to use technology, marginalized groups risk being left behind and excluded from societal progress, dee...

p>Decentralized ledger technology (DLT) is becoming ubiquitous in today's society. After an initial grassroots adoption, enterprises embrace this technology, following the opportunity to expand to new businesses - the technology is maturing. However, organizations need to connect their existing systems and processes to blockchains (centralized - de...

Virtual reality (VR) has emerged as a powerful option for rehabilitation by providing real-time performance feedback and a safe and customized training environment. This study aimed: (1) to investigate the association between the presence in the virtual environment, the usability of the system, the intrinsic motivation, and immersion in VR gaming d...

Current cultural policies are evolving from social inclusion (removing barriers and promoting equality for participation in culture) to social cohesion (fostering solid bonds between groups despite their differences). Digital interventions can create spaces that promote social inclusion and cohesion. In this paper, we report on the design and evalu...

Economic activities are built on several essential factors such as capital, technology, and notably, labour. Despite extensive exploration of economic activities in the last decade, prior design research has overlooked the impact of Design on Labour. Designers play crucial roles as creators of gig platforms, yet research on the intersection between...

Transitioning to and through University is a delicate period for students’ well-being. Moreover, the recent COVID-19 pandemic added a further toll through the various challenges related to studying, socializing, community-building, and safety. These challenges inspired the design of a mobile application, called Tecnico GO!, to support university st...

p>Decentralized ledger technology (DLT) is becoming ubiquitous in today's society. After an initial grassroots adoption, enterprises embrace this technology, following the opportunity to expand to new businesses - the technology is maturing. However, organizations need to connect their existing systems and processes to blockchains (centralized - de...

The gig economy and digital labor platforms, such as food delivery, have become essential while also troubling the current socioeconomic landscape. Delivery platforms promise entry-level work, flexibility, and other benefits. However, researchers remain divided on if these platforms benefit workers and society at large. This study aims to shed ligh...

As the climate crisis is turning into one of the most critical issues of our time, HCI researchers keep reflecting on the role their work can play in reducing the impact of adverse environmental changes. Suggestions have been made to expand Sustainable HCI (SHCI)'s intervention area to policy design to have a larger impact, consider non-human actor...

Intelligent agents are showing increasing promise for clinical decision-making in a variety of healthcare settings. While a substantial body of work has contributed to the best strategies to convey these agents’ decisions to clinicians, few have considered the impact of personalizing and customizing these communications on the clinicians’ performan...

Web-immersion – i.e., a deep sense of cognitive and perceptual absorption engendered by the content and interactive features of a website - plays an important role in our modern, digital world. Yet, this topic has received little attention from design and HCI scholars. The lack of tools to assess and measure immersion in the Web may severely limit...

Among the various interaction (re)design processes and approaches, SPIDe is a semio-participatory methodological process inspired by communication-centered design. However, the development of computational solutions is not limited to interaction design. Requirements elicitation is also an integral part of this process. Some SPIDe studies indicated...

Sensing passersby and detecting crowded locations is a growing area of research and development in the last decades. The COVID-19 pandemic compelled authorities and public and private institutions to monitor access and occupancy of crowded spaces. This work addresses the detection of crowds in points of interest (POI) by using a territory grid anal...

The emergence of a networked society generates transformations in the dynamic interactions of people impacting cultural and service systems. A location can provide different individual and collective meanings, perceptions, and experiences to different people. However, it is unclear how urban actors can collect, measure, and operationalise such plac...

Climate change is arguably the most urgent issue of our time, demanding the participation of all types of stakeholders, from individuals to governments. However, climate change communication has been focused on negative framings based on the mere presentation of data, in many cases demotivating or simply not helping in action. This Ph.D. proposes u...

This pictorial presents the concept and preliminary design of “Tecnico Go!”, an application conceived to support college students during the COVID-19 pandemic. The project applied HCI and user-centred design methods to understand students’ needs, pains, and desires during the pandemic period. The authors collected, unpacked, and reflected on user-c...

Climate change is arguably the most urgent crisis of our lifetimes, and the Design community has been continuously exploring how to respond to this complex challenge. However, the past few years have demonstrated just how difficult climate change communication and engagement can be. As a response to the Anthropocene challenges, HCI and Design resea...

Life-supporting ecosystems are facing impending destruction. The human–computer interaction (HCI) community must rethink how to design technological interventions that reconcile concepts and theories for ecological computing. Proponents of sustainable HCI have pushed for tools and systems that aim to decenter the human in a shift toward posthuman d...

The monitoring of environmental parameters is indispensable for controlling mosquito populations. The abundance of mosquitoes mainly depends on climate conditions, weather and water (i.e., physicochemical parameters). Traditional techniques for immature mosquito surveillance are based on remote sensing and weather stations as primary data sources f...

The rapid expansion in miniaturization, usability, energy efficiency, and affordability of Internet of Things (IoT) sensors, integrated with innovations in smart capability, is greatly increasing opportunities in ground-level monitoring of ecosystems at a specific scale using sensor grids. Surrounding sound is a powerful data source for investigati...

Recent research on non-intrusive load monitoring, or load disaggregation, suggests that the performance of algorithms can be affected by factors beyond energy data. In particular, by incorporating non-electric data in load disaggregation analysis, such as building and consumer characteristics, the estimation accuracy of consumption data may be impr...

COVID-19 gave rise to discussions around designing for life during the pandemic, in particular related to health, leisure and education. In 2020, an online survey aimed at university students (N=225) pointed the authors to various challenges related to well-being in terms of studying, socializing, community, and safety during the COVID-19 pandemic....

Artificial intelligence has the potential to transform many application domains fundamentally. One notable example is clinical radiology. A growing number of decision-making support systems are available for lesion detection and segmentation, two fundamental steps to accomplish diagnosis and treatment planning. This paper proposes a model based on...

Europe was hit hard by the COVID-19 pandemic and Portugal was severely affected, having suffered three waves in the first twelve months. Approximately between Jan 19th and Feb 5th 2021 Portugal was the country in the world with the largest incidence rate, with 14-days incidence rates per 100,000 inhabitants in excess of 1000. Despite its importance...

In this paper, we present a systematic analysis of large-scale human mobility patterns obtained from a passive Wi-Fi tracking system, deployed across different location typologies. We have deployed a system to cover urban areas served by public transportation systems as well as very isolated and rural areas. Over 4 years, we collected 572 million d...

A data set of terrestrial, volant, and marine mammal occurrences in Portugal

Sustainable Development (SD) in its dimensions – environment, economy, and society – is a growing area of concern within the HCI community. This paper advances a systematic literature review on sustainability across the Sustainable Human-Computer Interaction (SHCI) body of work. The papers were classified according to the Triple Bottom Line (TBL) f...

Mammals are threatened worldwide, with ~26% of all species being included in the IUCN threatened categories. This overall pattern is primarily associated with habitat loss or degradation, and human persecution for terrestrial mammals, and pollution, open net fishing, climate change, and prey depletion for marine mammals. Mammals play a key role in...

The Empathy-Effective Communication hypothesis states the better a speaker can understand their listener's emotions, the better can they transmit information; and the better a listener can understand the speaker's emotions, the better can they apprehend the information. Previous emotional sharing systems have managed to create a space of emotional...

Due to their ability to disperse over water, over half of the extant bat species occur on islands and ca. 25% of these are island endemics. They are often the sole native island mammals and play key roles in the maintenance of insular ecosystems. Yet, due to increasing anthropogenic pressures, ca. 60% of island-restricted bats are now threatened. T...

In this paper, we developed BreastScreening-AI within two scenarios for the classification of multimodal beast images: (1) Clinician-Only; and (2) Clinician-AI. The novelty relies on the introduction of a deep learning method into a real clinical workflow for medical imaging diagnosis. We attempt to address three high-level goals in the two above s...

We present a case study to understand how migrant communities embrace and connect with their host city’s cultural heritage. To achieve this, we deployed a study with ten adult migrants (first- and second-generation Lisbon dwellers) articulated into two stages: (i) a five-day photo-challenge involving storytelling elucidated by pictures and short te...

As the world becomes increasingly interconnected, digital technologies impact the way humans experience places and spaces in (smart) cities. To some extent, these smart technologies are intertwined with the urban living enabling the augmentation of the city’s space and creating new opportunities for playful urban engagement. Moreover, touristic cit...

div> Decentralized ledger technology (DLT), in particular blockchain, is becoming ubiquitous in today's society. Just in the second quarter of 2021, centralized and decentralized exchanges had a volume of around $600 billion. Enterprises are adopting this technology, following the opportunity to expand to new businesses. However, they need to conn...

div> Decentralized ledger technology (DLT), in particular blockchain, is becoming ubiquitous in today's society. Just in the second quarter of 2021, centralized and decentralized exchanges had a volume of around $600 billion. Enterprises are adopting this technology, following the opportunity to expand to new businesses. However, they need to conn...

div> Decentralized ledger technology (DLT), in particular blockchain, is becoming ubiquitous in today's society. Just in the second quarter of 2021, centralized and decentralized exchanges had a volume of around $600 billion. Enterprises are adopting this technology, following the opportunity to expand to new businesses. However, they need to conn...

Climate change is arguably one of the most debated issues today. The scale and global reach of this crisis doesn’t afford a universal solution and requires widespread global mobilization. Public engagement is essential for the success of any initiative on this topic. However, sometimes communicating the facts is not enough. Interactive storytelling...

Background: The global health crisis caused by COVID-19 has drastically changed human society in a relatively short time. However, this crisis has offered insights into the different roles that such world wide virus plays in the lives of people, and how those have been affected, and eventually propose new solutions. Objective: From the beginning...

The use of Conversational Interfaces has evolved rapidly in numerous fields; in particular, they are an interesting tool for Serious Games to leverage on. Conversational Interfaces can assist Serious Games’ goals, namely in presenting knowledge through dialogue. With the global acknowledgment of the joint crisis in nature and climate change, it is...

Counting mosquitoes in the wild is a crucial capability for monitoring, prediction, and control of vector-borne diseases. Current approaches are mainly manual, where specially designed mosquito traps or ovitraps are placed in areas of interest and recovered the next day. The counting itself is performed in an entomological laboratory, where individ...

During the COVID-19 pandemic, social distancing measures were employed to contain its spread. This paper describes the deployment and testing of a passive Wi-Fi scanning system to help people keep track of crowded spaces, hence comply with social distancing measures. The system is based on passive Wi-Fi sensing to detect human presence in 93 locati...

During the COVID-19 pandemic, social distancing measures were employed to contain its spread. This paper describes the deployment and testing of a passive Wi-Fi scanning system to help people keep track of crowded spaces, hence comply with social distancing measures. The system is based on passive Wi-Fi sensing to detect human presence in 93 locati...

This panel wants to start a discussion about the importance of designing new ways of Contemporary Art digitization and digitalization to foster the creation of successful user experiences for its remote fruition.

Species distributional estimates are an essential tool to improve and implement effective conservation and management measures. Nevertheless, obtaining accurate distributional estimates remains a challenge in many cases, especially when looking at the marine environment, mainly due to the species mobility and habitat dynamism. Ecosystems surroundin...

Braindraw is a participatory technique in which participants collaboratively design the interface for a proposed solution. Conducting braindraw in different design situations is still a factor of difficulty for its use by human-computer interaction professionals in the software industry, as there is no set of basic guidelines to be followed. In thi...

Europe was hit hard by the COVID-19 pandemic and Portugal was one of the most affected countries, having suffered three waves in the first twelve months. Approximately between Jan 19th and Feb 5th 2021 Portugal was the country in the world with the largest incidence rate, with 14-days incidence rates per 100,000 inhabitants in excess of 1000. Despi...