652 citations · 1.9k across the 68 of their papers we have counts for
22 papers · 1 filter
Twitter climate discourse as a signal of pro-environmental behaviors
Edoardo Maggioni, Diego Garlaschelli, Rossana Mastrandrea +1
Fostering coordinated pro-environmental behaviors at scale is a key challenge for climate mitigation. Individual actions only generate meaningful impact when they diffuse widely an…
Machines in the Crowd? Measuring the Footprint of Machine-Generated Text on Reddit
Lucio La Cava, Luca Maria Aiello, Andrea Tagarelli
Generative Artificial Intelligence is reshaping online communication by enabling large-scale production of Machine-Generated Text (MGT) at low cost. While its presence is rapidly g…
Podcasts as a Medium for Participation in Collective Action: A Case Study of Black Lives Matter
Theodora Moldovan, Arianna Pera, Davide Vega +1
We study how participation in collective action is articulated in podcast discussions, using the Black Lives Matter (BLM) movement as a case study. While research on collective act…
Mapping the Climate Change Landscape on TikTok
Alessia Galdeman, Luca Maria Aiello
Social media platforms shape climate action discourse. Mapping these online conversations is essential for effective communication strategies. TikTok's climate discussions are part…
Extracting Participation in Collective Action from Social Media
Arianna Pera, Luca Maria Aiello
Social media play a key role in mobilizing collective action, holding the potential for studying the pathways that lead individuals to actively engage in addressing global challeng…
Multidimensional Tie Strength and Economic Development
Luca Maria Aiello, Sagar Joglekar, Daniele Quercia
The strength of social relations has been shown to affect an individual's access to opportunities. To date, however, the correspondence between tie strength and population's econom…
Epidemic Dreams: Dreaming about health during the COVID-19 pandemic
Sanja Šćepanović, Luca Maria Aiello, Deirdre Barrett +1
The continuity hypothesis of dreams suggests that the content of dreams is continuous with the dreamer's waking experiences. Given the unprecedented nature of the experiences durin…
Beautiful and damned. Combined effect of content quality and social ties on user engagement
Luca M. Aiello, Rossano Schifanella, Miriam Redi +3
User participation in online communities is driven by the intertwinement of the social network structure with the crowd-generated content that flows along its links. These aspects…
Evolution of Ego-networks in Social Media with Link Recommendations
Luca Maria Aiello, Nicola Barbieri
Ego-networks are fundamental structures in social graphs, yet the process of their evolution is still widely unexplored. In an online context, a key question is how link recommende…
iPhone's Digital Marketplace: Characterizing the Big Spenders
Farshad Kooti, Mihajlo Grbovic, Luca Maria Aiello +2
With mobile shopping surging in popularity, people are spending ever more money on digital purchases through their mobile devices and phones. However, few large-scale studies of mo…
On the Behaviour of Deviant Communities in Online Social Networks
Mauro Coletto, Luca Maria Aiello, Claudio Lucchese +1
On-line social networks are complex ensembles of inter-linked communities that interact on different topics. Some communities are characterized by what are usually referred to as d…
The Emotional and Chromatic Layers of Urban Smells
Daniele Quercia, Luca Maria Aiello, Rossano Schifanella
People are able to detect up to 1 trillion odors. Yet, city planning is concerned only with a few bad odors, mainly because odors are currently captured only through complaints mad…
Chatty Maps: Constructing sound maps of urban areas from social media data
Luca Maria Aiello, Rossano Schifanella, Daniele Quercia +1
Urban sound has a huge influence over how we perceive places. Yet, city planning is concerned mainly with noise, simply because annoying sounds come to the attention of city offici…
Portrait of an Online Shopper: Understanding and Predicting Consumer Behavior
Farshad Kooti, Kristina Lerman, Luca Maria Aiello +3
Consumer spending accounts for a large fraction of the US economic activity. Increasingly, consumer activity is moving to the web, where digital traces of shopping and purchases pr…
Smelly Maps: The Digital Life of Urban Smellscapes
Daniele Quercia, Rossano Schifanella, Luca Maria Aiello +1
Smell has a huge influence over how we perceive places. Despite its importance, smell has been crucially overlooked by urban planners and scientists alike, not least because it is…
An Image is Worth More than a Thousand Favorites: Surfacing the Hidden Beauty of Flickr Pictures
Rossano Schifanella, Miriam Redi, Luca Aiello
The dynamics of attention in social media tend to obey power laws. Attention concentrates on a relatively small number of popular items and neglecting the vast majority of content…
Evolution of Conversations in the Age of Email Overload
Farshad Kooti, Luca Maria Aiello, Mihajlo Grbovic +2
Email is a ubiquitous communications tool in the workplace and plays an important role in social interactions. Previous studies of email were largely based on surveys and limited t…
The Digital Life of Walkable Streets
Daniele Quercia, Luca Maria Aiello, Rossano Schifanella +1
Walkability has many health, environmental, and economic benefits. That is why web and mobile services have been offering ways of computing walkability scores of individual street…
People are Strange when you're a Stranger: Impact and Influence of Bots on Social Networks
Luca Maria Aiello, Martina Deplano, Rossano Schifanella +1
Bots are, for many Web and social media users, the source of many dangerous attacks or the carrier of unwanted messages, such as spam. Nevertheless, crawlers and software agents ar…
The Shortest Path to Happiness: Recommending Beautiful, Quiet, and Happy Routes in the City
Daniele Quercia, Rossano Schifanella, Luca Maria Aiello
When providing directions to a place, web and mobile mapping services are all able to suggest the shortest route. The goal of this work is to automatically suggest routes that are…
Distinguishing Topical and Social Groups Based on Common Identity and Bond Theory
Przemyslaw A. Grabowicz, Luca Maria Aiello, Víctor M. Eguíluz +1
Social groups play a crucial role in social media platforms because they form the basis for user participation and engagement. Groups are created explicitly by members of the commu…
Fast filtering and animation of large dynamic networks
Przemyslaw A. Grabowicz, Luca Maria Aiello, Filippo Menczer
Detecting and visualizing what are the most relevant changes in an evolving network is an open challenge in several domains. We present a fast algorithm that filters subsets of the…