3 papers
cs.SI2025
Meso-scale structures in signed networks
Wei Zhang, Olga Boichak, Tristram J. Alexander +2
Meso-scale structures in signed networks have been studied under the limiting assumption of the validity of social balance theory, which predicts positive connections within groups…
cs.SI2024
A generative model for community types in directed networks
Cathy Xuanchi Liu, Tristram J. Alexander, Eduardo G. Altmann
Large complex networks are often organized into groups or communities. In this paper, we introduce and investigate a generative model of network evolution that reproduces all four…
cs.CL2024
Human-interpretable clustering of short-text using large language models
Justin K. Miller, Tristram J. Alexander
Clustering short text is a difficult problem, due to the low word co-occurrence between short text documents. This work shows that large language models (LLMs) can overcome the lim…