Ryohei Sasano

98 papers A* 7A 1B 14Journal 37Unranked 39
YearRankTypeTitle / Venue / Authors
2026 — conf
How Do Language Models Acquire Character-Level Information?
EACL (Volume 1: Long Papers)
Soma Sato, Ryohei Sasano
2026 J jnl
How Do Language Models Acquire Character-Level Information?
CoRR
Soma Sato, Ryohei Sasano
2026 J jnl
Rationale-Based Video Caption Generation for Risky Factors in Driving Scenes.
IEICE Trans. Inf. Syst.
Hongkuan Zhang, Ryohei Sasano, Koichi Takeda
2026 J jnl
Redundancy, Isotropy, and Intrinsic Dimensionalityof Prompt-based Text Embeddings.
J. Nat. Lang. Process.
Hayato Tsukagoshi, Ryohei Sasano
2025 J jnl
Do LLMs and Humans Find the Same Questions Difficult? A Case Study on Japanese Quiz Answering.
CoRR
Naoya Sugiura, Kosuke Yamada, Yasuhiro Ogawa, Katsuhiko Toyama, Ryohei Sasano
2025 J jnl
Empowering Vision-Language Tuning with Machine Translation for Driving Scene Caption Generation.
IEICE Trans. Inf. Syst.
Lei Zhou, Ryohei Sasano, Koichi Takeda
2025 — conf
FrameEOL: Semantic Frame Induction using Causal Language Models.
EMNLP (Findings)
Chihiro Yano, Kosuke Yamada, Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda
2025 J jnl
FrameEOL: Semantic Frame Induction using Causal Language Models.
CoRR
Chihiro Yano, Kosuke Yamada, Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda
2025 J jnl
Improving Behavior-aware Driving Video Captioning through Better Use of In-vehicle Sensors and References.
J. Inf. Process.
Hongkuan Zhang, Koichi Takeda, Ryohei Sasano
2025 J jnl
On Representational Dissociation of Language and Arithmetic in Large Language Models.
CoRR
Riku Kisako, Tatsuki Kuribayashi, Ryohei Sasano
2025 — conf
Optimizing the Arrangement of Citations in Related Work Section.
IJCNLP-AACL (long papers)
Masashi Oshika, Ryohei Sasano
2025 — conf
Redundancy, Isotropy, and Intrinsic Dimensionality of Prompt-based Text Embeddings.
ACL (Findings)
Hayato Tsukagoshi, Ryohei Sasano
2025 J jnl
Redundancy, Isotropy, and Intrinsic Dimensionality of Prompt-based Text Embeddings.
CoRR
Hayato Tsukagoshi, Ryohei Sasano
2025 — conf
Semantic Frame Induction from a Real-World Corpus.
ACL (4)
Shogo Tsujimoto, Kosuke Yamada, Ryohei Sasano
2025 J jnl
Verifying Claims About Metaphors with Large-Scale Automatic Metaphor Identification.
J. Nat. Lang. Process.
Kotaro Aono, Ryohei Sasano, Koichi Takeda
2024 J jnl
Are Social Sentiments Inherent in LLMs? An Empirical Study on Extraction of Inter-demographic Sentiments.
CoRR
Kunitomo Tanaka, Ryohei Sasano, Koichi Takeda
2024 J jnl
CiMaTe: Citation Count Prediction Effectively Leveraging the Main Text.
CoRR
Jun Hirako, Ryohei Sasano, Koichi Takeda
2024 — conf
Definition Generation for Automatically Induced Semantic Frame.
ACL (Findings)
Yi Han, Ryohei Sasano, Koichi Takeda
2024 — conf
Improving Sentence Embeddings with Automatic Generation of Training Data Using Few-shot Examples.
ACL (Student Research Workshop)
Soma Sato, Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda
2024 J jnl
Improving Sentence Embeddings with an Automatically Generated NLI Dataset.
CoRR
Soma Sato, Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda
2024 J jnl
Inference Discrepancy Based Curriculum Learning for Neural Machine Translation.
IEICE Trans. Inf. Syst.
Lei Zhou, Ryohei Sasano, Koichi Takeda
2024 J jnl
Ruri: Japanese General Text Embeddings.
CoRR
Hayato Tsukagoshi, Ryohei Sasano
2024 — conf
Sentence Representations via Gaussian Embedding.
EACL (2)
Shohei Yoda, Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda
2024 — conf
Simplifying Translations for Children: Iterative Simplification Considering Age of Acquisition with LLMs.
ACL (Findings)
Masashi Oshika, Makoto Morishita, Tsutomu Hirao, Ryohei Sasano, Koichi Takeda
2024 J jnl
Simplifying Translations for Children: Iterative Simplification Considering Age of Acquisition with LLMs.
CoRR
Masashi Oshika, Makoto Morishita, Tsutomu Hirao, Ryohei Sasano, Koichi Takeda
2024 — conf
To Drop or Not to Drop? Predicting Argument Ellipsis Judgments: A Case Study in Japanese.
LREC/COLING
Yukiko Ishizuki, Tatsuki Kuribayashi, Yuichiroh Matsubayashi, Ryohei Sasano, Kentaro Inui
2024 J jnl
To Drop or Not to Drop? Predicting Argument Ellipsis Judgments: A Case Study in Japanese.
CoRR
Yukiko Ishizuki, Tatsuki Kuribayashi, Yuichiroh Matsubayashi, Ryohei Sasano, Kentaro Inui
2024 J jnl
Transformer-based Live Update Generation for Soccer Matches from Microblog Posts.
J. Nat. Lang. Process.
Masashi Oshika, Kosuke Yamada, Ryohei Sasano, Koichi Takeda
2024 — conf
Verifying Claims About Metaphors with Large-Scale Automatic Metaphor Identification.
NAACL (Short Papers)
Kotaro Aono, Ryohei Sasano, Koichi Takeda
2024 J jnl
Verifying Claims About Metaphors with Large-Scale Automatic Metaphor Identification.
CoRR
Kotaro Aono, Ryohei Sasano, Koichi Takeda
2024 — conf
WikiSplit++: Easy Data Refinement for Split and Rephrase.
LREC/COLING
Hayato Tsukagoshi, Tsutomu Hirao, Makoto Morishita, Katsuki Chousa, Ryohei Sasano, Koichi Takeda
2024 J jnl
WikiSplit++: Easy Data Refinement for Split and Rephrase.
CoRR
Hayato Tsukagoshi, Tsutomu Hirao, Makoto Morishita, Katsuki Chousa, Ryohei Sasano, Koichi Takeda
2023 — conf
Acquiring Frame Element Knowledge with Deep Metric Learning for Semantic Frame Induction.
ACL (Findings)
Kosuke Yamada, Ryohei Sasano, Koichi Takeda
2023 J jnl
Acquiring Frame Element Knowledge with Deep Metric Learning for Semantic Frame Induction.
CoRR
Kosuke Yamada, Ryohei Sasano, Koichi Takeda
2023 — conf
Building a Buzzer-quiz Answering System.
ACL (student)
Naoya Sugiura, Kosuke Yamada, Ryohei Sasano, Koichi Takeda, Katsuhiko Toyama
2023 J jnl
Japanese SimCSE Technical Report.
CoRR
Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda
2023 — conf
Realistic Citation Count Prediction Task for Newly Published Papers.
EACL (Findings)
Jun Hirako, Ryohei Sasano, Koichi Takeda
2023 A conf
Semantic Frame Induction with Deep Metric Learning.
EACL
Kosuke Yamada, Ryohei Sasano, Koichi Takeda
2023 J jnl
Semantic Frame Induction with Deep Metric Learning.
CoRR
Kosuke Yamada, Ryohei Sasano, Koichi Takeda
2023 J jnl
Semantic Frame Induction with Deep Metric Learning.
J. Nat. Lang. Process.
Kosuke Yamada, Ryohei Sasano, Koichi Takeda
2023 J jnl
Sentence Embeddings using Definition Sentences.
J. Nat. Lang. Process.
Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda
2023 J jnl
Sentence Representations via Gaussian Embedding.
CoRR
Shohei Yoda, Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda
2023 A* conf
Transformer-based Live Update Generation for Soccer Matches from Microblog Posts.
EMNLP
Masashi Oshika, Kosuke Yamada, Ryohei Sasano, Koichi Takeda
2023 J jnl
Transformer-based Live Update Generation for Soccer Matches from Microblog Posts.
CoRR
Masashi Oshika, Kosuke Yamada, Ryohei Sasano, Koichi Takeda
2022 — conf
Automating Interlingual Homograph Recognition with Parallel Sentences.
AACL/IJCNLP (Findings)
Yi Han, Ryohei Sasano, Koichi Takeda
2022 — conf
Comparison and Combination of Sentence Embeddings Derived from Different Supervision Signals.
*SEM@NAACL-HLT
Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda
2022 J jnl
Comparison and Combination of Sentence Embeddings Derived from Different Supervision Signals.
CoRR
Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda
2022 A* conf
Cross-Modal Similarity-Based Curriculum Learning for Image Captioning.
EMNLP
Hongkuan Zhang, Saku Sugawara, Akiko Aizawa, Lei Zhou, Ryohei Sasano, Koichi Takeda
2022 J jnl
Cross-Modal Similarity-Based Curriculum Learning for Image Captioning.
CoRR
Hongkuan Zhang, Saku Sugawara, Akiko Aizawa, Lei Zhou, Ryohei Sasano, Koichi Takeda
2022 B conf
Cross-lingual Linking of Automatically Constructed Frames and FrameNet.
LREC
Ryohei Sasano
2022 — conf
Leveraging Three Types of Embeddings from Masked Language Models in Idiom Token Classification.
*SEM@NAACL-HLT
Ryosuke Takahashi, Ryohei Sasano, Koichi Takeda
2021 — conf
Annotation Guidelines for Medication Errors in Incident Reports: Validation Through a Mixed Methods Approach.
MedInfo
Zoie Shui-Yee Wong, Yuchen Qiao, Ryohei Sasano, Hongkuan Zhang, Kenichiro Taneda, Shin Ushiro
2021 — conf
DefSent: Sentence Embeddings using Definition Sentences.
ACL/IJCNLP (2)
Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda
2021 J jnl
DefSent: Sentence Embeddings using Definition Sentences.
CoRR
Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda
2021 — conf
Driving Behavior Aware Caption Generation for Egocentric Driving Videos Using In-Vehicle Sensors
IV Workshops
Hongkuan Zhang, Koichi Takeda, Ryohei Sasano, Yusuke Adachi, Kento Ohtani
2021 — conf
Self-Guided Curriculum Learning for Neural Machine Translation.
IWSLT
Lei Zhou, Liang Ding, Kevin Duh, Shinji Watanabe, Ryohei Sasano, Koichi Takeda
2021 J jnl
Self-Guided Curriculum Learning for Neural Machine Translation.
CoRR
Lei Zhou, Liang Ding, Kevin Duh, Shinji Watanabe, Ryohei Sasano, Koichi Takeda
2021 — conf
Semantic Frame Induction using Masked Word Embeddings and Two-Step Clustering.
ACL/IJCNLP (2)
Kosuke Yamada, Ryohei Sasano, Koichi Takeda
2021 J jnl
Semantic Frame Induction using Masked Word Embeddings and Two-Step Clustering.
CoRR
Kosuke Yamada, Ryohei Sasano, Koichi Takeda
2021 — conf
Transformer-based Lexically Constrained Headline Generation.
EMNLP (1)
Kosuke Yamada, Yuta Hitomi, Hideaki Tamori, Ryohei Sasano, Naoaki Okazaki, Kentaro Inui, Koichi Takeda
2021 J jnl
Transformer-based Lexically Constrained Headline Generation.
CoRR
Kosuke Yamada, Yuta Hitomi, Hideaki Tamori, Ryohei Sasano, Naoaki Okazaki, Kentaro Inui, Koichi Takeda
2021 — conf
Verb Sense Clustering using Contextualized Word Representations for Semantic Frame Induction.
ACL/IJCNLP (Findings)
Kosuke Yamada, Ryohei Sasano, Koichi Takeda
2021 J jnl
Verb Sense Clustering using Contextualized Word Representations for Semantic Frame Induction.
CoRR
Kosuke Yamada, Ryohei Sasano, Koichi Takeda
2020 B conf
Development of a Medical Incident Report Corpus with Intention and Factuality Annotation.
LREC
Hongkuan Zhang, Ryohei Sasano, Koichi Takeda, Zoie Shui-Yee Wong
2020 A* conf
Investigating Word-Class Distributions in Word Vector Spaces.
ACL
Ryohei Sasano, Anna Korhonen
2020 — conf
Sequential Span Classification with Neural Semi-Markov CRFs for Biomedical Abstracts.
EMNLP (Findings)
Kosuke Yamada, Tsutomu Hirao, Ryohei Sasano, Koichi Takeda, Masaaki Nagata
2019 — conf
Incorporating Textual Information on User Behavior for Personality Prediction.
ACL (2)
Kosuke Yamada, Ryohei Sasano, Koichi Takeda
2019 J jnl
Multi-Task Learning with Contextualized Word Representations for Extented Named Entity Recognition.
CoRR
Thai-Hoang Pham, Khai Mai, Minh Trung Nguyen, Nguyen Tuan Duc, Danushka Bollegala, Ryohei Sasano, Satoshi Sekine
2018 B conf
An Empirical Study on Fine-Grained Named Entity Recognition.
COLING
Khai Mai, Thai-Hoang Pham, Minh Trung Nguyen, Nguyen Tuan Duc, Danushka Bollegala, Ryohei Sasano, Satoshi Sekine
2017 A* conf
Distinguishing Japanese Non-standard Usages from Standard Ones.
EMNLP
Tatsuya Aoki, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2017 — conf
Extended Named Entity Recognition API and Its Applications in Language Education.
ACL (System Demonstrations)
Tuan Duc Nguyen, Khai Mai, Thai-Hoang Pham, Minh Trung Nguyen, Truc-Vien T. Nguyen, Takashi Eguchi, Ryohei Sasano, Satoshi Sekine
2017 B conf
Real-time tweet selection for TV news programs.
WI
Soichiro Hirota, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2016 — conf
A Corpus-Based Analysis of Canonical Word Order of Japanese Double Object Constructions.
ACL (1)
Ryohei Sasano, Manabu Okumura
2016 B conf
Acquiring Activities of People Engaged in Certain Occupations.
PRICAI
Miho Matsunagi, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2016 A* conf
Controlling Output Length in Neural Encoder-Decoders.
EMNLP
Yuta Kikuchi, Graham Neubig, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2016 J jnl
Controlling Output Length in Neural Encoder-Decoders.
CoRR
Yuta Kikuchi, Graham Neubig, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2016 B conf
Learning from Numerous Untailored Summaries.
PRICAI
Yuta Kikuchi, Akihiko Watanabe, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2015 — conf
Collecting Microblog Posts Implicitly Related to Announcement Post.
WI-IAT (1)
Yuma Tsukamoto, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2015 — conf
Context Representation with Word Embeddings for WSD.
PACLING
Hiromu Sugawara, Hiroya Takamura, Ryohei Sasano, Manabu Okumura
2015 — conf
Context-Dependent Automatic Response Generation Using Statistical Machine Translation Techniques.
HLT-NAACL
Andrew Shin, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2014 — conf
Generating Personalized Snippets for Web Page Recommender Systems.
WI-IAT (1)
Akihiko Watanabe, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2013 B conf
A Simple Approach to Unknown Word Processing in Japanese Morphological Analysis.
IJCNLP
Ryohei Sasano, Sadao Kurohashi, Manabu Okumura
2013 A* conf
Automatic Knowledge Acquisition for Case Alternation between the Passive and Active Voices in Japanese.
EMNLP
Ryohei Sasano, Daisuke Kawahara, Sadao Kurohashi, Manabu Okumura
2013 — conf
Generating Live Sports Updates from Twitter by Finding Good Reporters.
Web Intelligence
Mitsumasa Kubo, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2013 — conf
Subtree Extractive Summarization via Submodular Maximization.
ACL (1)
Hajime Morita, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2013 — conf
TTOKU Summarization Based Systems at NTCIR-10 1CLICK-2 task.
NTCIR
Hajime Morita, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2012 B conf
Generating "A for Alpha" When There Are Thousands of Characters.
COLING
Hiroaki Kawasaki, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2012 B conf
The Use of Sound Symbolism in Sentiment Classification.
PRICAI
Takuma Igarashi, Ryohei Sasano, Hiroya Takamura, Manabu Okumura
2011 B conf
A Discriminative Approach to Japanese Zero Anaphora Resolution with Large-scale Lexicalized Case Frames.
IJCNLP
Ryohei Sasano, Sadao Kurohashi
2010 J jnl
The Effect of Corpus Size on Case Frame Acquisition for Predicate-Argument Structure Analysis.
IEICE Trans. Inf. Syst.
Ryohei Sasano, Daisuke Kawahara, Sadao Kurohashi
2009 A* conf
A Probabilistic Model for Associative Anaphora Resolution.
EMNLP
Ryohei Sasano, Sadao Kurohashi
2009 — conf
The Effect of Corpus Size on Case Frame Acquisition for Discourse Analysis.
HLT-NAACL
Ryohei Sasano, Daisuke Kawahara, Sadao Kurohashi
2008 B conf
A Fully-Lexicalized Probabilistic Model for Japanese Zero Anaphora Resolution.
COLING
Ryohei Sasano, Daisuke Kawahara, Sadao Kurohashi
2008 B conf
Japanese Named Entity Recognition Using Structural Natural Language Processing.
IJCNLP
Ryohei Sasano, Sadao Kurohashi
2007 — conf
Improving Coreference Resolution Using Bridging Reference Resolution and Automatically Acquired Synonyms.
DAARC
Ryohei Sasano, Daisuke Kawahara, Sadao Kurohashi
2004 B conf
Automatic Construction of Nominal Case Frames and its Application to Indirect Anaphora Resolution.
COLING
Ryohei Sasano, Daisuke Kawahara, Sadao Kurohashi
2004 — conf
Text Understanding for Conversational Agent.
IMTCI
Daisuke Kawahara, Ryohei Sasano, Sadao Kurohashi
2004 B conf
Toward Text Understanding: Integrating Relevance-tagged Corpus and Automatically Constructed Case Frames.
LREC
Daisuke Kawahara, Ryohei Sasano, Sadao Kurohashi