3 papers
stat.ML2026
Unfolded Laplacian Spectral Embedding: A Theoretically Grounded Approach to Dynamic Network Representation
Haruka Ezoe, Hiroki Matsumoto, Ryohei Hisano
Dynamic relational data arise in many machine learning applications, yet their evolving structure poses challenges for learning representations that remain consistent and interpret…
cs.CL2024
Hierarchical Narrative Analysis: Unraveling Perceptions of Generative AI
Riona Matsuoka, Hiroki Matsumoto, Takahiro Yoshida +3
Written texts reflect an author's perspective, making the thorough analysis of literature a key research method in fields such as the humanities and social sciences. However, conve…
cs.SI2024
Hypergraph Change Point Detection using Adapted Cardinality-Based Gadgets: Applications in Dynamic Legal Structures
Hiroki Matsumoto, Takahiro Yoshida, Ryoma Kondo +1
Hypergraphs provide a robust framework for modeling complex systems with higher-order interactions. However, analyzing them in dynamic settings presents significant computational c…