Wataru Hashimoto
6 papers · 2023–2025 · 5 venues · across top CS/AI venues
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Achievements
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Conference Polyglot · Silver
🌉
Interdisciplinary Bridge · Silver
🗺️
Taxonomy Completionist
(25)
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The Questioner
Venues
Top co-authors
Research topics
Artificial Intelligence
(6)
Machine Learning
(6)
Learning Types · Machine Learning
(6)
Core AI
(5)
Natural Language Processing
(4)
Deep Learning
(3)
Learning Types · Deep Learning
(3)
Applications
(2)
Generation
(2)
Optimization & Theory
(2)
Understanding
(2)
Healthcare & Medicine
(1)
Reinforcement Learning
(1)
Application Areas
(1)
Bayesian & Probabilistic
(1)
Keywords
uncertainty estimation
(3)
confidence calibration
(2)
policy optimization
(2)
named entity recognition
(2)
large language model
(2)
data augmentation
(1)
policy learning
(1)
constrained optimization
(1)
markov decision process
(1)
gaussian process
(1)
nearest neighbor
(1)
nearest neighbor search
(1)
constrained markov decision process
(1)
safe reinforcement learning
(1)
generalized linear model
(1)
language model
(1)
safety constraint
(1)
retrieval-augmented generation
(1)
medical domain
(1)
binary feedback
(1)
Papers
Decoding Uncertainty: The Impact of Decoding Strategies for Uncertainty Estimation in Large Language Models
EMNLP 2025
Efficient Nearest Neighbor based Uncertainty Estimation for Natural Language Processing Tasks
NAACL 2025
Understanding the Impact of Confidence in Retrieval Augmented Generation: A Case Study in the Medical Domain
ACL 2025
Are Data Augmentation Methods in Named Entity Recognition Applicable for Uncertainty Estimation?
EMNLP 2024
Long-Term Safe Reinforcement Learning with Binary Feedback
AAAI 2024
Safe Exploration in Reinforcement Learning: A Generalized Formulation and Algorithms
NeurIPS 2023