5 papers
Spatial accessibility to food banks hinders food parcel uptake in England and Wales, particularly in rural areas
Laura Sheppard, Carmen Cabrera, Daphne Badounas +7
Food bank use in the UK has soared in recent years. The combination of a global pandemic, over-stretched and underfunded public services, and a cost-of-living crisis has meant that…
When not to target negative ties? Studying competitive influence maximisation in signed networks
Sukankana Chakraborty, Markus Brede, Sebastian Stein +1
We explore the influence maximisation problem in networks with negative ties. Where prior work has focused on unsigned networks, we investigate the need to consider negative ties i…
MIMDE: Exploring the Use of Synthetic vs Human Data for Evaluating Multi-Insight Multi-Document Extraction Tasks
John Francis, Saba Esnaashari, Anton Poletaev +3
Large language models (LLMs) have demonstrated remarkable capabilities in text analysis tasks, yet their evaluation on complex, real-world applications remains challenging. We defi…
Who is driving the conversation? Analysing the nodality of British MPs and journalists on social media
Sukankana Chakraborty, Leonardo Castro-Gonzalez, Helen Margetts +3
With the rise of social media, political conversations now take place in more diffuse environments. In this context, it is not always clear why some actors, more than others, have…
Dynamics of new strain emergence on a temporal network
Sukankana Chakraborty, Xavier R. Hoffmann, Marc G. Leguia +6
Multi-strain competition on networks is observed in many contexts, including infectious disease ecology, information dissemination or behavioral adaptation to epidemics. Despite a…