Ryohei Hisano

27 papers A* 1B 2Journal 18Unranked 6
YearRankTypeTitle / Venue / Authors
2025 — conf
Aligning ESG Controversy Data with International Guidelines through Semi-Automatic Ontology Construction.
ISWC (Industry/Doctoral Consortium/Posters/Demos)
Tsuyoshi Iwata, Guillaume Comte, Melissa Flores, Ryoma Kondo, Ryohei Hisano
2025 J jnl
Aligning ESG Controversy Data with International Guidelines through Semi-Automatic Ontology Construction.
CoRR
Tsuyoshi Iwata, Guillaume Comte, Melissa Flores, Ryoma Kondo, Ryohei Hisano
2025 B conf
Capturing Legal Reasoning Paths from Facts to Law in Court Judgments using Knowledge Graphs.
K-CAP
Ryoma Kondo, Riona Matsuoka, Takahiro Yoshida, Kazuyuki Yamasawa, Ryohei Hisano
2025 J jnl
Capturing Legal Reasoning Paths from Facts to Law in Court Judgments using Knowledge Graphs.
CoRR
Ryoma Kondo, Riona Matsuoka, Takahiro Yoshida, Kazuyuki Yamasawa, Ryohei Hisano
2025 — conf
Constraint-Aware Ontology Engineering for Information Extraction from Financial Contracts.
ISWC (Industry/Doctoral Consortium/Posters/Demos)
Ryoma Kondo, Shamik Kundu, Muneaki Imai, Kyosuke Tomoda, Yuki Takazawa, Ryohei Hisano
2025 J jnl
Unfolded Laplacian Spectral Embedding: A Theoretically Grounded Approach to Dynamic Network Representation.
CoRR
Haruka Ezoe, Hiroki Matsumoto, Ryohei Hisano
2024 — conf
Collaborative System Synergizing Human Expertise and Large-scale Language Models for Legal Knowledge Graph Construction.
ISWC (Posters/Demos/Industry)
Ryoma Kondo, Tomohiro Watanabe, Takahiro Yoshida, Kazuyuki Yamasawa, Ryohei Hisano
2024 J jnl
Hierarchical Narrative Analysis: Unraveling Perceptions of Generative AI.
CoRR
Riona Matsuoka, Hiroki Matsumoto, Takahiro Yoshida, Tomohiro Watanabe, Ryoma Kondo, Ryohei Hisano
2024 J jnl
Hypergraph Change Point Detection using Adapted Cardinality-Based Gadgets: Applications in Dynamic Legal Structures.
CoRR
Hiroki Matsumoto, Takahiro Yoshida, Ryoma Kondo, Ryohei Hisano
2024 B conf
Leveraging Large Language Models for Institutional Portfolio Management: Persona-Based Ensembles.
IEEE Big Data
Yoshia Abe, Shuhei Matsuo, Ryoma Kondo, Ryohei Hisano
2024 J jnl
Leveraging Large Language Models for Institutional Portfolio Management: Persona-Based Ensembles.
CoRR
Yoshia Abe, Shuhei Matsuo, Ryoma Kondo, Ryohei Hisano
2023 J jnl
Masked prediction and interdependence network of the law using data from large-scale Japanese court judgments.
Artif. Intell. Law
Ryoma Kondo, Takahiro Yoshida, Ryohei Hisano
2022 J jnl
Preface of Special Issue on Data Science Questing for a Better Society.
Rev. Socionetwork Strateg.
Takayuki Mizuno, Takaaki Ohnishi, Ryohei Hisano, Hiroshi Iyetomi, Tsutomu Watanabe
2020 J jnl
Gaussian Hierarchical Latent Dirichlet Allocation: Bringing Polysemy Back.
CoRR
Takahiro Yoshida, Ryohei Hisano, Takaaki Ohnishi
2020 — conf
Identifying the Hierarchical Influence Structure Behind Smart Sanctions Using Network Analysis.
SocInfo
Ryohei Hisano, Hiroshi Iyetomi, Takayuki Mizuno
2020 — conf
Nondiagonal Mixture of Dirichlet Network Distributions for Analyzing a Stock Ownership Network.
COMPLEX NETWORKS (1)
Wenning Zhang, Ryohei Hisano, Takaaki Ohnishi, Takayuki Mizuno
2020 J jnl
Nondiagonal Mixture of Dirichlet Network Distributions for Analyzing a Stock Ownership Network.
CoRR
Wenning Zhang, Ryohei Hisano, Takaaki Ohnishi, Takayuki Mizuno
2020 J jnl
Prediction of ESG compliance using a heterogeneous information network.
J. Big Data
Ryohei Hisano, Didier Sornette, Takayuki Mizuno
2019 J jnl
Identifying the Hierarchical Influence Structure behind Smart Sanctions using Network Analysis.
CoRR
Ryohei Hisano, Hiroshi Iyetomi, Takayuki Mizuno
2019 A* conf
Learning Topic Models by Neighborhood Aggregation.
IJCAI
Ryohei Hisano
2018 J jnl
Learning Topic Models by Neighborhood Aggregation.
CoRR
Ryohei Hisano
2018 J jnl
Predicting Adverse Media Risk using a Heterogeneous Information Network.
CoRR
Ryohei Hisano, Didier Sornette, Takayuki Mizuno
2017 J jnl
The gradual evolution of buyer-seller networks and their role in aggregate fluctuations.
Appl. Netw. Sci.
Ryohei Hisano, Tsutomu Watanabe, Takayuki Mizuno, Takaaki Ohnishi, Didier Sornette
2016 — conf
A new approach to building the interindustry input-output table using block estimation techniques.
IEEE BigData
Ryohei Hisano
2016 J jnl
Semi-supervised Graph Embedding Approach to Dynamic Link Prediction.
CoRR
Ryohei Hisano
2012 J jnl
High quality topic extraction from business news explains abnormal financial market volatility
CoRR
Ryohei Hisano, Didier Sornette, Takayuki Mizuno, Takaaki Ohnishi, Tsutomu Watanabe
2011 J jnl
Predicted and verified evolution of power-law exponent in product market
CoRR
Ryohei Hisano, Didier Sornette, Takayuki Mizuno