Alert button
Picture for Ken-ichi Kawarabayashi

Ken-ichi Kawarabayashi

Alert button

National Institute of Informatics, Japan

New classes of the greedy-applicable arm feature distributions in the sparse linear bandit problem

Dec 19, 2023
Koji Ichikawa, Shinji Ito, Daisuke Hatano, Hanna Sumita, Takuro Fukunaga, Naonori Kakimura, Ken-ichi Kawarabayashi

Viaarxiv icon

A Neighbourhood-Aware Differential Privacy Mechanism for Static Word Embeddings

Sep 19, 2023
Danushka Bollegala, Shuichi Otake, Tomoya Machide, Ken-ichi Kawarabayashi

Figure 1 for A Neighbourhood-Aware Differential Privacy Mechanism for Static Word Embeddings
Figure 2 for A Neighbourhood-Aware Differential Privacy Mechanism for Static Word Embeddings
Figure 3 for A Neighbourhood-Aware Differential Privacy Mechanism for Static Word Embeddings
Figure 4 for A Neighbourhood-Aware Differential Privacy Mechanism for Static Word Embeddings
Viaarxiv icon

Intrinsic Dimensionality Estimation within Tight Localities: A Theoretical and Experimental Analysis

Sep 29, 2022
Laurent Amsaleg, Oussama Chelly, Michael E. Houle, Ken-ichi Kawarabayashi, Miloš Radovanović, Weeris Treeratanajaru

Figure 1 for Intrinsic Dimensionality Estimation within Tight Localities: A Theoretical and Experimental Analysis
Figure 2 for Intrinsic Dimensionality Estimation within Tight Localities: A Theoretical and Experimental Analysis
Figure 3 for Intrinsic Dimensionality Estimation within Tight Localities: A Theoretical and Experimental Analysis
Figure 4 for Intrinsic Dimensionality Estimation within Tight Localities: A Theoretical and Experimental Analysis
Viaarxiv icon

Online Task Assignment Problems with Reusable Resources

Mar 15, 2022
Hanna Sumita, Shinji Ito, Kei Takemura, Daisuke Hatano, Takuro Fukunaga, Naonori Kakimura, Ken-ichi Kawarabayashi

Figure 1 for Online Task Assignment Problems with Reusable Resources
Figure 2 for Online Task Assignment Problems with Reusable Resources
Figure 3 for Online Task Assignment Problems with Reusable Resources
Figure 4 for Online Task Assignment Problems with Reusable Resources
Viaarxiv icon

RelWalk A Latent Variable Model Approach to Knowledge Graph Embedding

Jan 25, 2021
Danushka Bollegala, Huda Hakami, Yuichi Yoshida, Ken-ichi Kawarabayashi

Figure 1 for RelWalk A Latent Variable Model Approach to Knowledge Graph Embedding
Figure 2 for RelWalk A Latent Variable Model Approach to Knowledge Graph Embedding
Figure 3 for RelWalk A Latent Variable Model Approach to Knowledge Graph Embedding
Figure 4 for RelWalk A Latent Variable Model Approach to Knowledge Graph Embedding
Viaarxiv icon

Near-Optimal Regret Bounds for Contextual Combinatorial Semi-Bandits with Linear Payoff Functions

Jan 20, 2021
Kei Takemura, Shinji Ito, Daisuke Hatano, Hanna Sumita, Takuro Fukunaga, Naonori Kakimura, Ken-ichi Kawarabayashi

Figure 1 for Near-Optimal Regret Bounds for Contextual Combinatorial Semi-Bandits with Linear Payoff Functions
Figure 2 for Near-Optimal Regret Bounds for Contextual Combinatorial Semi-Bandits with Linear Payoff Functions
Figure 3 for Near-Optimal Regret Bounds for Contextual Combinatorial Semi-Bandits with Linear Payoff Functions
Viaarxiv icon

How Neural Networks Extrapolate: From Feedforward to Graph Neural Networks

Oct 01, 2020
Keyulu Xu, Jingling Li, Mozhi Zhang, Simon S. Du, Ken-ichi Kawarabayashi, Stefanie Jegelka

Figure 1 for How Neural Networks Extrapolate: From Feedforward to Graph Neural Networks
Figure 2 for How Neural Networks Extrapolate: From Feedforward to Graph Neural Networks
Figure 3 for How Neural Networks Extrapolate: From Feedforward to Graph Neural Networks
Figure 4 for How Neural Networks Extrapolate: From Feedforward to Graph Neural Networks
Viaarxiv icon

Anonymising Queries by Semantic Decomposition

Sep 12, 2019
Danushka Bollegala, Tomoya Machide, Ken-ichi Kawarabayashi

Figure 1 for Anonymising Queries by Semantic Decomposition
Figure 2 for Anonymising Queries by Semantic Decomposition
Figure 3 for Anonymising Queries by Semantic Decomposition
Figure 4 for Anonymising Queries by Semantic Decomposition
Viaarxiv icon

Are Girls Neko or Shōjo? Cross-Lingual Alignment of Non-Isomorphic Embeddings with Iterative Normalization

Jun 05, 2019
Mozhi Zhang, Keyulu Xu, Ken-ichi Kawarabayashi, Stefanie Jegelka, Jordan Boyd-Graber

Figure 1 for Are Girls Neko or Shōjo? Cross-Lingual Alignment of Non-Isomorphic Embeddings with Iterative Normalization
Figure 2 for Are Girls Neko or Shōjo? Cross-Lingual Alignment of Non-Isomorphic Embeddings with Iterative Normalization
Figure 3 for Are Girls Neko or Shōjo? Cross-Lingual Alignment of Non-Isomorphic Embeddings with Iterative Normalization
Figure 4 for Are Girls Neko or Shōjo? Cross-Lingual Alignment of Non-Isomorphic Embeddings with Iterative Normalization
Viaarxiv icon

What Can Neural Networks Reason About?

May 31, 2019
Keyulu Xu, Jingling Li, Mozhi Zhang, Simon S. Du, Ken-ichi Kawarabayashi, Stefanie Jegelka

Figure 1 for What Can Neural Networks Reason About?
Figure 2 for What Can Neural Networks Reason About?
Figure 3 for What Can Neural Networks Reason About?
Figure 4 for What Can Neural Networks Reason About?
Viaarxiv icon