Profile
Selected Publications (
more)
- Kotaro Aono, Ryohei Sasano, Koichi Takeda:
Verifying Claims About Metaphors with Large-Scale Automatic Metaphor Identification,
In Proc. of NAACL 2024 (Vol.2), pp.711–719 (2024.6)
- Shohei Yoda, Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda:
Sentence Representations via Gaussian Embedding,
In Proc. of EACL 2024 (Vol.2), pp.418–425 (2024.3)
- Masashi Oshika, Kosuke Yamada, Ryohei Sasano, Koichi Takeda:
Transformer-based Live Update Generation for Soccer Matches from Microblog Posts,
In Proc. of EMNLP 2023, pp.10100–10106 (2023.12)
- Kosuke Yamada, Ryohei Sasano, Koichi Takeda:
Semantic Frame Induction with Deep Metric Learning,
In Proc. of EACL 2023, pp.1833–1845 (2023.5)
- Hongkuan Zhang, Saku Sugawara, Akiko Aizawa, Lei Zhou, Ryohei Sasano, Koichi Takeda:
Cross-Modal Similarity-Based Curriculum Learning for Image Captioning,
In Proc. of EMNLP 2022, pp.7599–7606 (2022.12)
- Kosuke Yamada, Yuta Hitomi, Hideaki Tamori, Ryohei Sasano, Naoaki Okazaki, Kentaro Inui, Koichi Takeda:
Transformer-based Lexically Constrained Headline Generation,
In Proc. of EMNLP 2021, pp.4085–4090 (2021.11)
- Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda:
DefSent: Sentence Embeddings using Definition Sentences,
In Proc. of ACL-IJCNLP 2021 (Vol.2), pp.411–418 (2021.8)
- Kosuke Yamada, Ryohei Sasano, Koichi Takeda:
Semantic Frame Induction using Masked Word Embeddings and Two-Step Clustering,
In Proc. of ACL-IJCNLP 2021 (Vol.2), pp.811–816 (2021.8)
- Ryohei Sasano, Anna Korhonen:
Investigating Word-Class Distributions in Word Vector Spaces,
In Proc. of ACL 2020, pp.3657–3666 (2020.7) [pdf]
- Yuta Kikuchi, Graham Neubig, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Controlling Output Length in Neural Encoder-Decoders,
In Proc. of EMNLP 2016, pp.1328–1338 (2016.11)
- Ryohei Sasano, Manabu Okumura:
A Corpus-Based Analysis of Canonical Word Order of Japanese Double Object Constructions,
In Proc. of ACL 2016, pp.2236–2244 (2016.8) [pdf]
Publications (
less)
- Soma Sato, Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda:
Improving Sentence Embeddings with Automatic Generation of Training Data Using Few-shot Examples,
In Proceedings of ACL 2024 Student Research Workshop (ACL-SRW 2024), pp.519–530 (2024.8)
- Masashi Oshika, Makoto Morishita, Tsutomu Hirao, Ryohei Sasano, Koichi Takeda:
Simplifying Translations for Children: Iterative Simplification Considering Age of Acquisition with LLMs,
In Findings of the Association for Computational Linguistics: ACL 2024, pp.8567–8577 (2024.8)
- Yi Han, Ryohei Sasano, Koichi Takeda:
Definition Generation for Automatically Induced Semantic Frame,
In Findings of the Association for Computational Linguistics: ACL 2024, pp.11112–11118 (2024.8)
- Kotaro Aono, Ryohei Sasano, Koichi Takeda:
Verifying Claims About Metaphors with Large-Scale Automatic Metaphor Identification,
In Proceedings of the North American Chapter of the Association for Computational Linguistics (Volume 2: Short Papers) (NAACL 2024), pp.711–719 (2024.6)
- Yukiko Ishizuki, Tatsuki Kuribayashi, Yuichiroh Matsubayashi, Ryohei Sasano, Kentaro Inui:
To Drop or Not to Drop? Predicting Argument Ellipsis Judgments: A Case Study in Japanese,
In Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024), pp.16198–16210 (2024.5)
- Hayato Tsukagoshi, Tsutomu Hirao, Makoto Morishita, Katsuki Chousa, Ryohei Sasano, Koichi Takeda:
WikiSplit++: Easy Data Refinement for Split and Rephrase,
In Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024), pp.17625–17636 (2024.5)
- Shohei Yoda, Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda:
Sentence Representations via Gaussian Embedding,
In Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics (Volume 2: Short Papers) (EACL 2024), pp.418–425 (2024.3)
- Lei Zhou, Ryohei Sasano, Koichi Takeda:
Inference Discrepancy Based Curriculum Learning for Neural Machine Translation,
IEICE Transactions on Information and Systems, Vol.E107-D, No.1, pp.135–143 (2024.1)
- Masashi Oshika, Kosuke Yamada, Ryohei Sasano, Koichi Takeda:
Transformer-based Live Update Generation for Soccer Matches from Microblog Posts,
In Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing (EMNLP 2023), pp.10100–10106 (2023.12)
- Kosuke Yamada, Ryohei Sasano, Koichi Takeda:
Argument Clustering with Deep Metric Learning for Semantic Frame Induction,
In Findings of the Association for Computational Linguistics: ACL 2023, pp.9356–9364 (2023.7)
- Naoya Sugiura, Kosuke Yamada, Ryohei Sasano, Koichi Takeda, Katsuhiko Toyama:
Building a Buzzer-quiz Answering System,
In Proceedings of ACL 2023 Student Research Workshop (ACL-SRW 2023), pp.194–199 (2023.7)
- Jun Hirako, Ryohei Sasano, Koichi Takeda:
Realistic Citation Count Prediction Task for Newly Published Papers,
In Findings of the Association for Computational Linguistics: EACL 2023, pp.1131–1141 (2023.5)
- Hongkuan Zhang, Saku Sugawara, Akiko Aizawa, Lei Zhou, Ryohei Sasano, Koichi Takeda:
Cross-Modal Similarity-Based Curriculum Learning for Image Captioning,
In Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing (EMNLP 2022), pp.7599–7606 (2022.12)
- Yi Han, Ryohei Sasano, Koichi Takeda:
Automating Interlingual Homograph Recognition with Parallel Sentences,
In Findings of the Association for Computational Linguistics: AACL-IJCNLP 2022, pp.211–216 (2022.11)
- Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda:
Comparison and Combination of Sentence Embeddings Derived from Different Supervision Signals,
In Proceedings of the 11th Joint Conference on Lexical and Computational Semantics (*SEM 2022), pp.139–150 (2022.7)
- Ryosuke Takahashi, Ryohei Sasano, Koichi Takeda:
Leveraging Three Types of Embeddings from Masked Language Models in Idiom Token Classification,
In Proceedings of the 11th Joint Conference on Lexical and Computational Semantics (*SEM 2022), pp.234–239 (2022.7)
- Ryohei Sasano:
Cross-lingual Linking of Automatically Constructed Frames and FrameNet,
In Proceedings of the 13th International Conference on Language Resources and Evaluation (LREC 2022), pp.6620–6625 (2022.6) [pdf]
- Takeya Adachi, Yasushi Ogawa, Tamami Fukushi, Kei Ito, Amane Koizumi, Masashi Shirabe, Masako Toriya, Jun Hirako, Takenori Inomata, Katsunori Masaki, Ryohei Sasano, Sakura Sato, Keigo Kainuma, Masaki Futamura, Keiko Kan-o, Yosuke Kurashima, Saeko Nakajima, Masafumi Sakashita, Hideaki Morita, Aikichi Iwamoto, Sankei Nishima, Mayumi Tamari, Hajime Iizuka:
Research impact analysis of international funding agencies in the realm of allergy and immunology,
Allergy, Vol.77, No.5, pp.1602–1606 (2022.5)
- Kosuke Yamada, Yuta Hitomi, Hideaki Tamori, Ryohei Sasano, Naoaki Okazaki, Kentaro Inui, Koichi Takeda:
Transformer-based Lexically Constrained Headline Generation,
In Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing (EMNLP 2021), pp.4085–4090 (2021.11)
- Zoie Shui-Yee Wong, Yuchen Qiao, Ryohei Sasano, Hongkuan Zhang, Kenichiro Taneda, Shin Ushiro:
Annotation Guidelines for Medication Errors in Incident Reports: Validation Through a Mixed Methods Approach,
In Proceedings of the 18th World Congress on Medical and Health Informatics (MEDINFO 2021), pp.354–358 (2021.10)
- Lei Zhou, Liang Ding, Kevin Duh, Shinji Watanabe, Ryohei Sasano, Koichi Takeda:
Self-Guided Curriculum Learning for Neural Machine Translation,
In Proceedings of the 18th International Conference on Spoken Language Translation (IWSLT 2021), pp.206–214 (2021.8)
- Hayato Tsukagoshi, Ryohei Sasano, Koichi Takeda:
DefSent: Sentence Embeddings using Definition Sentences,
In Proceedings of the Joint Conference of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 2: Short Papers) (ACL-IJCNLP 2021), pp.411–418 (2021.8)
- Kosuke Yamada, Ryohei Sasano, Koichi Takeda:
Semantic Frame Induction using Masked Word Embeddings and Two-Step Clustering,
In Proceedings of the Joint Conference of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 2: Short Papers) (ACL-IJCNLP 2021), pp.811–816 (2021.8)
- Kosuke Yamada, Ryohei Sasano, Koichi Takeda:
Verb Sense Clustering Using Contextualized Word Representations for Semantic Frame Induction,
In Findings of the Association for Computational Linguistics: ACL-IJCNLP 2021, pp.4353–4362 (2021.8)
- Hongkuan Zhang, Koichi Takeda, Ryohei Sasano, Yusuke Adachi, Kento Ohtani: Driving Behavior Aware Caption Generation for Egocentric Driving Videos Using In-Vehicle Sensors, In Proceedings of the 2021 IEEE Intelligent Vehicles Symposium Workshops (IV Workshops), pp.287–292 (2021.7)
- Kosuke Yamada, Tsutomu Hirao, Ryohei Sasano, Koichi Takeda, Masaaki Nagata:
Sequential Span Classification with Neural Semi-Markov CRFs for Biomedical Abstracts,
In Findings of the Association for Computational Linguistics: EMNLP 2020, pp.871–877 (2020.11)
- Ryohei Sasano, Anna Korhonen: Investigating Word-Class Distributions in Word Vector Spaces, In Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics (ACL 2020), pp.3657–3666 (2020.7) [pdf]
- Hongkuan Zhang, Ryohei Sasano, Koichi Takeda, Zoie Shui-Yee Wong: Development of a Medical Incident Report Corpus with Intention and Factuality Annotation, In Proceedings of the 12th International Conference on Language Resources and Evaluation (LREC 2020), pp.4580–4586 (2020.5)
- Kosuke Yamada, Ryohei Sasano, Koichi Takeda: Incorporating Textual Information on User Behavior for Personality Prediction,
In Proceedings of ACL 2019 Student Research Workshop (ACL-SRW 2019), pp.177–182 (2019.7)
- Khai Mai, Thai-Hoang Pham, Minh Trung Nguyen, Nguyen Tuan Duc, Danushka Bollegala, Ryohei Sasano, Satoshi Sekine:
An Empirical Study on Fine-Grained Named Entity Recognition,
In Proceedings of the 27th International Conference on Computational Linguistics (COLING 2018), pp.711–722 (2018.8)
- Tatsuya Aoki, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Distinguishing Japanese Non-standard Usages from Standard Ones,
In Proceedings of the 2017 Conference on Empirical Methods in Natural Language Processing (EMNLP 2017), pp.2313–2318 (2017.9)
- Soichiro Hirota, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Real-Time Tweet Selection for TV News Programs,
In Proceedings of the 2017 IEEE/WIC/ACM International Conference on Web Intelligence (WI 17), pp.299–305 (2017.8)
- Tuan Duc Nguyen, Khai Mai, Thai-Hoang Pham, Minh Trung Nguyen, Truc-Vien T. Nguyen, Takashi Eguchi, Ryohei Sasano, Satoshi Sekine:
Extended Named Entity Recognition API and Its Applications in Language Education,
In Proceedings of 55th Annual Meeting of the Association for Computational Linguistics: System Demonstrations (ACL 2017 Demo), pp.37–42 (2017.8)
- Masanori Hayashi, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Judging CEFR Levels of English Learner's Essays Based on Error-type Identification and Text Quality Measures,
In Proceedings of the 18th International Conference on Computational Linguistics and Intelligent Text Processing (CICLING 2017) (2017.4)
- Yuta Kikuchi, Graham Neubig, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Controlling Output Length in Neural Encoder-Decoders,
In Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing (EMNLP 2016), pp.1328–1338 (2016.11)
- Miho Matsunagi, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Acquiring Activities of People Engaged in Certain Occupations,
In Proceedings of the 14th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2016), pp.327–339 (2016.8)
- Yuta Kikuchi, Akihiko Watanabe, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Learning from Numerous Untailored Summaries,
In Proceedings of the 14th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2016), pp.206–219 (2016.8)
- Ryohei Sasano, Manabu Okumura:
A Corpus-Based Analysis of Canonical Word Order of Japanese Double Object Constructions,
In Proceedings of the 54th Annual Meeting of the Association for
Computational Linguistics (ACL 2016), pp.2236–2244 (2016.8) [pdf]
- Yuma Tsukamoto, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Collecting Microblog Posts Implicitly Related to an Announcement Post,
In Proceedings of the 2015 IEEE/WIC/ACM International Conference on Web Intelligence (WI 15), pp.195–202 (2015.12)
- Andrew Shin, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Context-Dependent Automatic Response Generation Using Statistical Machine Translation Techniques,
In Proceedings of the North American Chapter of the Association for Computational Linguistics - Human Language Technologies (NAACL-HLT 2015), pp.1345–1350 (2015.6)
- Hiromu Sugawara, Hiroya Takamura, Ryohei Sasano, Manabu Okumura:
Context Representation with Word Embeddings for WSD,
In Proceedings of the 2015 Conference of the Pacific Association for Computational Linguistics (PACLING 2015), pp.149–155 (2015.5)
- Akihiko Watanabe, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Generating Personalized Snippets for Web Page Recommender Systems,
In Proceedings of the 2014 IEEE/WIC/ACM International Conference on Web Intelligence (WI 14), pp.218–225 (2014.8)
- Mitsumasa Kubo, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Generating Live Sports Updates from Twitter by Finding Good Reporters,
In Proceedings of the 2013 IEEE/WIC/ACM International Conference on Web Intelligence (WI 13), pp.527–534 (2013.11)
- Ryohei Sasano, Daisuke Kawahara, Sadao Kurohashi, Manabu Okumura:
Automatic Knowledge Acquisition for Case Alternation between the Passive and Active Voices in Japanese,
In Proceedings of the 2013 Conference on Empirical Methods in Natural Language Processing (EMNLP 2013), pp.1213–1223 (2013.10) [pdf]
- Ryohei Sasano, Sadao Kurohashi, Manabu Okumura:
A Simple Approach to Unknown Word Processing in Japanese Morphological Analysis,
In Proceedings of the 6th International Joint Conference on Natural Language Processing (IJCNLP 2013), pp.162–170 (2013.10) [pdf]
- Hajime Morita, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Subtree Extractive Summarization via Submodular Maximization,
In Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics (ACL 2013), pp.1023–1032 (2013.8)
- Hajime Morita, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
TTOKU Summarization Based Systems at NTCIR-10 1CLICK-2 task,
In Proceedings of the 10th NTCIR Conference, pp.212–217 (2013.6)
- Takuma Igarashi, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Use of Sound Symbolism in Sentiment Classification,
Journal of Natural Language Processing, Vol.20 No.2, pp.183–200 (2013.6)
- Hiroaki Kawasaki, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
Generating ``A for Alpha'' When There Are Thousands of Characters,
In Proceedings of the 22nd International Conference on Computational Linguistics (COLING 2012) pp.1411–1424 (2012.12)
- Takuma Igarashi, Ryohei Sasano, Hiroya Takamura, Manabu Okumura:
The Use of Sound Symbolism in Sentiment Classification,
In Proceedings of the 12th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2012), pp.746–752 (2012.9)
- Ryohei Sasano, Sadao Kurohashi:
A Discriminative Approach to Japanese Zero Anaphora Resolution with Large-scale Lexicalized Case Frames,
In Proceedings of the 5th International Joint Conference on Natural Language Processing (IJCNLP 2011), pp.758–766 (2011.11) [pdf]
- Ryohei Sasano, Daisuke Kawahara, Sadao Kurohashi:
The Effect of Corpus Size on Case Frame Acquisition for Predicate-Argument Structure Analysis,
IEICE TRANSACTIONS on Information and Systems, Vol.E93-D, No.6, pp.1361–1368 (2010.6) [link]
- Ryohei Sasano, Sadao Kurohashi:
A Probabilistic Model for Associative Anaphora Resolution,
In Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing (EMNLP 2009), pp.1455–1464 (2009.8) [pdf]
- Ryohei Sasano, Daisuke Kawahara, Sadao Kurohashi:
The Effect of Corpus Size on Case Frame Acquisition for Discourse Analysis,
In Proceedings of the North American Chapter of the Association for Computational Linguistics - Human Language Technologies (NAACL-HLT 2009), pp.521–529 (2009.6) [pdf]
- Ryohei Sasano, Daisuke Kawahara, Sadao Kurohashi:
A Fully-Lexicalized Probabilistic Model for Japanese Zero Anaphora Resolution,
In Proceedings of the 22nd International Conference on Computational Linguistics (COLING 2008), pp.769–776 (2008.8) [pdf]
- Ryohei Sasano, Sadao Kurohashi:
Japanese Named Entity Recognition Using Structural Natural Language Processing,
In Proceedings of the 3rd International Joint Conference on Natural Language Processing (Volume-II) (IJCNLP 2008), pp.607–612 (2008.1) [pdf]
- Ryohei Sasano, Daisuke Kawahara, Sadao Kurohashi:
Improving Coreference Resolution Using Bridging Reference Resolution and Automatically Acquired Synonyms,
In Proceedings of the 6th Discourse Anaphora and Anaphor Resolution Colloquium (DAARC 2007), pp.125–136 (2007.3) [pdf]
- Daisuke Kawahara, Ryohei Sasano, Sadao Kurohashi:
Text Understanding for Conversational Agent,
In Proceedings of the 1st International Workshop on Intelligent Media Technology for Communicative Intelligence (IMTfCI 2004), pp.68–71 (2004.9)
- Ryohei Sasano, Daisuke Kawahara, Sadao Kurohashi:
Automatic Construction of Nominal Case Frames and its Application to Indirect Anaphora Resolution,
In Proceedings of the 20th International Conference on Computational Linguistics (COLING 2004), pp.1201–1207 (2004.8) [pdf]
- Daisuke Kawahara, Ryohei Sasano, Sadao Kurohashi:
Toward Text Understanding: Integrating Relevance-tagged Corpus and Automatically Constructed Case Frames,
In Proceedings of the 4th International Conference on Language Resources and Evaluation (LREC 2004), pp.1833–1836 (2004.5)
Awards
- Best Paper Award (Journal of Natural Language Processing, Vol.30, 2023)
- Best Paper Award (Journal of Natural Language Processing, Vol.29, 2022)
- Best Paper Award (first place) (Journal of Natural Language Processing, Vol.24, 2017)
- Best Paper Award (first place) (Journal of Natural Language Processing, Vol.21, 2014)
- Best Paper Award (Journal of Natural Language Processing, Vol.21, 2014)
Others
i.nagoya-u.ac.jp