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NetScience

@netscience.bsky.social

Reader in Applied Mathematics at Queen Mary University working on Network Science, Data Science, and digital Epidemiology. Website: www.nicolaperra.com

1,817 Followers  |  1,527 Following  |  1,390 Posts  |  Joined: 29.10.2023  |  1.4696

Latest posts by netscience.bsky.social on Bluesky

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A large language model for complex cardiology care - Nature Medicine In a randomized study involving 9 general cardiologists and 107 real-world patient cases, assistance from a specifically tailored large language model resulted in preferable responses on complex case ...

A large language model for complex cardiology care idp.nature.com/authorize?re...

06.02.2026 12:16 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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The science of psychedelic medicine - Nature Medicine This Review outlines the science behind psychedelic medicine and integrates mechanistic knowledge with clinical evidence across neuropsychiatric indications, highlighting challenges, controversies and...

The science of psychedelic medicine idp.nature.com/authorize?re...

06.02.2026 12:15 โ€” ๐Ÿ‘ 1    ๐Ÿ” 1    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Wikipedia and Grokipedia: A Comparison of Human and Generative Encyclopedias We present a comparative analysis of Wikipedia and Grokipedia to examine how generative mediation alters content selection, textual rewriting, narrative structure, and evaluative framing in encycloped...

Wikipedia and Grokipedia: A Comparison of Human and Generative Encyclopedias arxiv.org/abs/2602.05519

06.02.2026 12:13 โ€” ๐Ÿ‘ 3    ๐Ÿ” 1    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Higher-order adaptive behaviors outperform pairwise strategies in mitigating contagion dynamics When exposed to a contagion phenomenon, individuals may respond to the perceived risk of infection by adopting behavioral changes, aiming to reduce their exposure or their risk of infecting others. Th...

Higher-order adaptive behaviors outperform pairwise strategies in mitigating contagion dynamics arxiv.org/abs/2602.05915

06.02.2026 12:10 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Geometric Criticality in Scale-Invariant Networks Dimension in physical systems determines universal properties at criticality. Yet, the impact of structural perturbations on dimensionality remains largely unexplored. Here, we characterize the attrac...

Geometric Criticality in Scale-Invariant Networks arxiv.org/abs/2507.11348

05.02.2026 13:08 โ€” ๐Ÿ‘ 1    ๐Ÿ” 1    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Modeling individual attention dynamics on online social media In the attention economy, understanding how individuals manage limited attention is critical. We introduce a simple model describing the decay of a user's engagement when facing multiple inputs. We an...

Modeling individual attention dynamics on online social media arxiv.org/abs/2507.01511

05.02.2026 13:05 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
Spatiotemporal determinants of vector-borne disease outbreaks Vector-borne diseases arise from the coupled dynamics of human mobility and mosquito ecology, producing outbreaks shaped by both spatial distributions and temporal patterns of movement. Here we develo...

Spatiotemporal determinants of vector-borne disease outbreaks link.aps.org/doi/10.1103/...

05.02.2026 08:19 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
PNAS Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...

Functional motifs in food webs and networks www.pnas.org/doi/abs/10.1...

04.02.2026 12:12 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Temporal Motif Participation Profiles for Analyzing Node Similarity in Temporal Networks Temporal networks consisting of timestamped interactions between a set of nodes provide a useful representation for analyzing complex networked systems that evolve over time. Beyond pairwise interacti...

Temporal Motif Participation Profiles for Analyzing Node Similarity in Temporal Networks arxiv.org/abs/2507.06465

04.02.2026 12:10 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Link Fraction Mixed Membership Reveals Community Diversity in Aggregated Social Networks Community detection is a critical tool for understanding the mesoscopic structure of large-scale networks. However, when applied to aggregated or coarse-grained social networks, disjoint community par...

Link Fraction Mixed Membership Reveals Community Diversity in Aggregated Social Networks arxiv.org/abs/2602.03266

04.02.2026 12:09 โ€” ๐Ÿ‘ 1    ๐Ÿ” 2    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Social Catalysts, Not Moral Agents: The Illusion of Alignment in LLM Societies The rapid evolution of Large Language Models (LLMs) has led to the emergence of Multi-Agent Systems where collective cooperation is often threatened by the "Tragedy of the Commons." This study investi...

Social Catalysts, Not Moral Agents: The Illusion of Alignment in LLM Societies arxiv.org/abs/2602.02598

04.02.2026 12:07 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Does AI already have human-level intelligence? The evidence is clear The vision of human-level machine intelligence laid out by Alan Turing in the 1950s is now a reality. Eyes unclouded by dread or hype will help us to prepare for what comes next.

Does AI already have human-level intelligence? The evidence is clear www.nature.com/articles/d41...

03.02.2026 13:33 โ€” ๐Ÿ‘ 1    ๐Ÿ” 2    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Who Connects Global Aid? The Hidden Geometry of 10 Million Transactions The global aid system functions as a complex and evolving ecosystem; yet widespread understanding of its structure remains largely limited to aggregate volume flows. Here we map the network topology o...

Who Connects Global Aid? The Hidden Geometry of 10 Million Transactions arxiv.org/abs/2512.17243

03.02.2026 09:14 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Culturally Grounded Personas in Large Language Models: Characterization and Alignment with Socio-Psychological Value Frameworks Despite the growing utility of Large Language Models (LLMs) for simulating human behavior, the extent to which these synthetic personas accurately reflect world and moral value systems across differen...

Culturally Grounded Personas in Large Language Models: Characterization and Alignment with Socio-Psychological Value Frameworks arxiv.org/abs/2601.22396

03.02.2026 09:13 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Correlation-Based Diagnostics of Social Contagion Dynamics in Multiplex Networks Multiplex contagion dynamics display localization phenomena in which spreading activity concentrates on a subset of layers, as well as delocalized regimes where layers behave collectively. We investig...

Correlation-Based Diagnostics of Social Contagion Dynamics in Multiplex Networks arxiv.org/abs/2601.22459

03.02.2026 08:55 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Correcting temporal bias in mobility data using time-use surveys GPS mobility data is a valuable source of behavioral measurement which is subject to systematic biases including the over- or under-representation of demographic groups, and variations in the quality ...

Correcting temporal bias in mobility data using time-use surveys arxiv.org/abs/2601.22330

03.02.2026 08:55 โ€” ๐Ÿ‘ 6    ๐Ÿ” 2    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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When LLMs Play the Telephone Game: Cultural Attractors as Conceptual Tools to Evaluate LLMs in Multi-turn Settings As large language models (LLMs) start interacting with each other and generating an increasing amount of text online, it becomes crucial to better understand how information is transformed as it passe...

When LLMs Play the Telephone Game: Cultural Attractors as Conceptual Tools to Evaluate LLMs in Multi-turn Settings arxiv.org/abs/2407.04503

02.02.2026 07:51 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Towards Universal Urban Patterns-of-Life Simulation Understanding urban mobility requires models that capture how people interact with and navigate the built environment. We present a scalable, generalizable agent-based framework in which daily schedul...

Towards Universal Urban Patterns-of-Life Simulation arxiv.org/abs/2601.22099

02.02.2026 07:50 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Impact of behavioral heterogeneity on epidemic outcome and its mapping into effective network topologies Human behavior plays a critical role in shaping epidemic trajectories. During health crises, people respond in diverse ways in terms of self-protection and adherence to recommended measures, largely r...

Impact of behavioral heterogeneity on epidemic outcome and its mapping into effective network topologies arxiv.org/abs/2601.21743

02.02.2026 07:48 โ€” ๐Ÿ‘ 5    ๐Ÿ” 2    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Shaping the learning signal in a combined Q-learning rule to improve structured cooperation Q-learning provides a standard reinforcement learning framework for studying cooperation by specifying how agents update action values from repeated local interactions outcomes. Although previous work...

Shaping the learning signal in a combined Q-learning rule to improve structured cooperation arxiv.org/abs/2601.21392

02.02.2026 07:47 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Detectability threshold in weighted modular networks Community detection is one of the most debated issues in network theory. Here, the authors study the detectability limits in the case of undirected weighted networks. The results indicate that large v...

Detectability threshold in weighted modular networks link.aps.org/doi/10.1103/...

02.02.2026 07:45 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
Social connections are differentially related to subjective age and physiological age acceleration amongst older adults - Nature Communications Weak social connections are thought to influence how people age. This study finds that deficits such as living alone or low social integration relate to faster physiological ageing, while no statistic...

Social connections are differentially related to subjective age and physiological age acceleration amongst older adults www.nature.com/articles/s41...

30.01.2026 08:17 โ€” ๐Ÿ‘ 1    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Spatial variation in socio-economic vulnerability to Influenza-like Infection for the US population Author summary Socio-economic conditions significantly influence a locationโ€™s susceptibility to influenza-like illness (ILI). Identifying infection hotspots based on these factors and quantifying rela...

Spatial variation in socio-economic vulnerability to Influenza-like Infection for the US population journals.plos.org/ploscompbiol...

29.01.2026 11:53 โ€” ๐Ÿ‘ 2    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Projected impacts of climate change on malaria in Africa - Nature Projected impacts of climate change on malaria burden in Africa by 2050 highlight the urgent need for climate-resilient malaria control strategies and robust emergency response systems to safeguard pr...

Projected impacts of climate change on malaria in Africa www.nature.com/articles/s41...

29.01.2026 11:50 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Directionality and node heterogeneity reshape criticality in hypergraph percolation Directed and heterogeneous hypergraphs capture directional higher-order interactions with intrinsically asymmetric functional dependencies among nodes. As a result, damage to certain nodes can suppres...

Directionality and node heterogeneity reshape criticality in hypergraph percolation arxiv.org/abs/2601.20726

29.01.2026 11:48 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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Socioeconomic Determinants of the COVID-19 Infodemic The COVID-19 pandemic has been accompanied by an infodemic of misinformation that impedes effective public health responses. This study examines relationships between socioeconomic factors and infodem...

Socioeconomic Determinants of the COVID-19 Infodemic arxiv.org/abs/2601.18377

27.01.2026 09:53 โ€” ๐Ÿ‘ 1    ๐Ÿ” 1    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
The network architecture of general intelligence in the human connectome - Nature Communications General intelligence (g) emerges from the global topology of the human connectome. Modeling structure and function in 831 adults reveals g engages distributed networks, weak long-range connections, mo...

The network architecture of general intelligence in the human connectome www.nature.com/articles/s41...

26.01.2026 08:13 โ€” ๐Ÿ‘ 3    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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The Software Complexity of Nations Despite the growing importance of the digital sector, research on economic complexity and its implications continues to rely mostly on administrative records, e.g. data on exports, patents, and employ...

The Software Complexity of Nations arxiv.org/abs/2407.13880

26.01.2026 08:10 โ€” ๐Ÿ‘ 2    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 1
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Community-Size Biases in Statistical Inference of Communities in Temporal Networks In the study of time-dependent (i.e., temporal) networks, researchers often examine the evolution of communities, which are sets of densely connected sets of nodes that are connected sparsely to other...

Community-Size Biases in Statistical Inference of Communities in Temporal Networks arxiv.org/abs/2601.15635

26.01.2026 08:09 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0
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The Rise of Large Language Models and the Direction and Impact of US Federal Research Funding Federal research funding shapes the direction, diversity, and impact of the US scientific enterprise. Large language models (LLMs) are rapidly diffusing into scientific practice, holding substantial p...

The Rise of Large Language Models and the Direction and Impact of US Federal Research Funding arxiv.org/abs/2601.15485

26.01.2026 08:09 โ€” ๐Ÿ‘ 0    ๐Ÿ” 0    ๐Ÿ’ฌ 0    ๐Ÿ“Œ 0

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