From the 1 of 8 linked papers with an AI index.
8 papers
No Data Is Not No Risk: Visibility Aware Graph-Based Inference of Business Conduct Risk
Tsuyoshi Iwata, Johannes Laurmaa, Ryohei Hisano
The paper proposes a visibility‑aware graph neural network that leverages corporate ownership relationships to predict business conduct risk for firms lacking recorded incidents, t…
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…
Aligning ESG Controversy Data with International Guidelines through Semi-Automatic Ontology Construction
Tsuyoshi Iwata, Guillaume Comte, Melissa Flores +2
The growing importance of environmental, social, and governance data in regulatory and investment contexts has increased the need for accurate, interpretable, and internationally a…
Capturing Legal Reasoning Paths from Facts to Law in Court Judgments using Knowledge Graphs
Ryoma Kondo, Riona Matsuoka, Takahiro Yoshida +2
Court judgments reveal how legal rules have been interpreted and applied to facts, providing a foundation for understanding structured legal reasoning. However, existing automated…
Leveraging Large Language Models for Institutional Portfolio Management: Persona-Based Ensembles
Yoshia Abe, Shuhei Matsuo, Ryoma Kondo +1
Large language models (LLMs) have demonstrated promising performance in various financial applications, though their potential in complex investment strategies remains underexplore…
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…