Tsutomu Hirao

According to our database, Tsutomu Hirao authored at least 74 papers between 1995 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2025

Automatic Evaluation of Language Generation Technology Based on Structure Alignment.

Katsuki Chousa, Tsutomu Hirao

Proceedings of the 31st International Conference on Computational Linguistics, 2025

2024

Video Discourse Parsing and Its Application to Multimodal Summarization: A Dataset and Baseline Approaches.

Tsutomu Hirao, Naoki Kobayashi, Hidetaka Kamigaito, Manabu Okumura, Akisato Kimura

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2024, 2024

Can we obtain significant success in RST discourse parsing by using Large Language Models?

Aru Maekawa, Tsutomu Hirao, Hidetaka Kamigaito, Manabu Okumura

Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics, 2024

Argument Mining as a Text-to-Text Generation Task.

Masayuki Kawarada, Tsutomu Hirao, Wataru Uchida, Masaaki Nagata

Proceedings of the 18th Conference of the European Chapter of the Association for Computational Linguistics, 2024

WikiSplit++: Easy Data Refinement for Split and Rephrase.

Hayato Tsukagoshi, Tsutomu Hirao, Makoto Morishita, Katsuki Chousa, Ryohei Sasano, Koichi Takeda

Proceedings of the 2024 Joint International Conference on Computational Linguistics, 2024

Simplifying Translations for Children: Iterative Simplification Considering Age of Acquisition with LLMs.

Masashi Oshika, Makoto Morishita, Tsutomu Hirao, Ryohei Sasano, Koichi Takeda

Proceedings of the Findings of the Association for Computational Linguistics, 2024

2023

Implicit Sense-labeled Connective Recognition as Text Generation.

Yui Oka, Tsutomu Hirao

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2023, 2023

2022

A Simple and Strong Baseline for End-to-End Neural RST-style Discourse Parsing.

Naoki Kobayashi, Tsutomu Hirao, Hidetaka Kamigaito, Manabu Okumura, Masaaki Nagata

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2022, 2022

2021

Improving Neural RST Parsing Model with Silver Agreement Subtrees.

Naoki Kobayashi, Tsutomu Hirao, Hidetaka Kamigaito, Manabu Okumura, Masaaki Nagata

Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2021

2020

Recovery command generation towards automatic recovery in ICT systems by Seq2Seq learning.

Hiroki Ikeuchi, Akio Watanabe, Tsutomu Hirao, Makoto Morishita, Masaaki Nishino, Yoichi Matsuo, Keishiro Watanabe

Proceedings of the NOMS 2020, 2020

Sequential Span Classification with Neural Semi-Markov CRFs for Biomedical Abstracts.

Kosuke Yamada, Tsutomu Hirao, Ryohei Sasano, Koichi Takeda, Masaaki Nagata

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2020, 2020

SODA: Story Oriented Dense Video Captioning Evaluation Framework.

Soichiro Fujita, Tsutomu Hirao, Hidetaka Kamigaito, Manabu Okumura, Masaaki Nagata

Proceedings of the Computer Vision - ECCV 2020, 2020

Top-Down RST Parsing Utilizing Granularity Levels in Documents.

Naoki Kobayashi, Tsutomu Hirao, Hidetaka Kamigaito, Manabu Okumura, Masaaki Nagata

Proceedings of the Thirty-Fourth AAAI Conference on Artificial Intelligence, 2020

2019

NTT's Machine Translation Systems for WMT19 Robustness Task.

Soichiro Murakami, Makoto Morishita, Tsutomu Hirao, Masaaki Nagata

Proceedings of the Fourth Conference on Machine Translation, 2019

ILP-based Compressive Speech Summarization with Content Word Coverage Maximization and Its Oracle Performance Analysis.

Atsunori Ogawa, Tsutomu Hirao, Tomohiro Nakatani, Masaaki Nagata

Proceedings of the IEEE International Conference on Acoustics, 2019

Generating Natural Anagrams: Towards Language Generation Under Hard Combinatorial Constraints.

Masaaki Nishino, Sho Takase, Tsutomu Hirao, Masaaki Nagata

Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing, 2019

Split or Merge: Which is Better for Unsupervised RST Parsing?

Naoki Kobayashi, Tsutomu Hirao, Kengo Nakamura, Hidetaka Kamigaito, Manabu Okumura, Masaaki Nagata

Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing, 2019

2018

Topic Models for Unsupervised Cluster Matching.

Tomoharu Iwata, Tsutomu Hirao, Naonori Ueda

IEEE Trans. Knowl. Data Eng., 2018

Provable Fast Greedy Compressive Summarization with Any Monotone Submodular Function.

Shinsaku Sakaue, Tsutomu Hirao, Masaaki Nishino, Masaaki Nagata

Proceedings of the 2018 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2018

Higher-Order Syntactic Attention Network for Longer Sentence Compression.

Hidetaka Kamigaito, Katsuhiko Hayashi, Tsutomu Hirao, Masaaki Nagata

Proceedings of the 2018 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2018

Pruning Basic Elements for Better Automatic Evaluation of Summaries.

Ukyo Honda, Tsutomu Hirao, Masaaki Nagata

Proceedings of the 2018 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2018

Automatic Pyramid Evaluation Exploiting EDU-based Extractive Reference Summaries.

Tsutomu Hirao, Hidetaka Kamigaito, Masaaki Nagata

Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing, Brussels, Belgium, October 31, 2018

2017

Unsupervised group matching with application to cross-lingual topic matching without alignment information.

Tomoharu Iwata, Motonobu Kanagawa, Tsutomu Hirao, Kenji Fukumizu

Data Min. Knowl. Discov., 2017

Supervised Attention for Sequence-to-Sequence Constituency Parsing.

Hidetaka Kamigaito, Katsuhiko Hayashi, Tsutomu Hirao, Hiroya Takamura, Manabu Okumura, Masaaki Nagata

Proceedings of the Eighth International Joint Conference on Natural Language Processing, 2017

Enumeration of Extractive Oracle Summaries.

Tsutomu Hirao, Masaaki Nishino, Jun Suzuki, Masaaki Nagata

Proceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics, 2017

Oracle Summaries of Compressive Summarization.

Tsutomu Hirao, Masaaki Nishino, Masaaki Nagata

Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics, 2017

2016

Probabilistic latent variable models for unsupervised many-to-many object matching.

Tomoharu Iwata, Tsutomu Hirao, Naonori Ueda

Inf. Process. Manag., 2016

Empirical comparison of dependency conversions for RST discourse trees.

Katsuhiko Hayashi, Tsutomu Hirao, Masaaki Nagata

Proceedings of the SIGDIAL 2016 Conference, 2016

Neural Headline Generation on Abstract Meaning Representation.

Sho Takase, Jun Suzuki, Naoaki Okazaki, Tsutomu Hirao, Masaaki Nagata

Proceedings of the 2016 Conference on Empirical Methods in Natural Language Processing, 2016

Exploring Text Links for Coherent Multi-Document Summarization.

Xun Wang, Masaaki Nishino, Tsutomu Hirao, Katsuhito Sudoh, Masaaki Nagata

Proceedings of the COLING 2016, 2016

2015

Summarization Based on Task-Oriented Discourse Parsing.

Xun Wang, Yasuhisa Yoshida, Tsutomu Hirao, Katsuhito Sudoh, Masaaki Nagata

IEEE ACM Trans. Audio Speech Lang. Process., 2015

Summarizing a Document by Trimming the Discourse Tree.

Tsutomu Hirao, Masaaki Nishino, Yasuhisa Yoshida, Jun Suzuki, Norihito Yasuda, Masaaki Nagata

IEEE ACM Trans. Audio Speech Lang. Process., 2015

A Dynamic Programming Algorithm for Tree Trimming-based Text Summarization.

Masaaki Nishino, Norihito Yasuda, Tsutomu Hirao, Shin-ichi Minato, Masaaki Nagata

Proceedings of the NAACL HLT 2015, The 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Denver, Colorado, USA, May 31, 2015

Hybrid Approach to PDTB-styled Discourse Parsing for CoNLL-2015.

Yasuhisa Yoshida, Katsuhiko Hayashi, Tsutomu Hirao, Masaaki Nagata

Proceedings of the 19th Conference on Computational Natural Language Learning: Shared Task, 2015

2014

Creating Stories from Socially Curated Microblog Messages.

Akisato Kimura, Kevin Duh, Tsutomu Hirao, Katsuhiko Ishiguro, Tomoharu Iwata, Albert Au Yeung

IEICE Trans. Inf. Syst., 2014

Dependency-based Automatic Enumeration of Semantically Equivalent Word Orders for Evaluating Japanese Translations.

Hideki Isozaki, Natsume Kouchi, Tsutomu Hirao

Proceedings of the Ninth Workshop on Statistical Machine Translation, 2014

SCT-D3 at the NTCIR-11 MedNLP-2 Task.

Akinori Fujino, Jun Suzuki, Tsutomu Hirao, Hisashi Kurasawa, Katsuyoshi Hayashi

Proceedings of the 11th NTCIR Conference on Evaluation of Information Access Technologies, 2014

Dependency-based Discourse Parser for Single-Document Summarization.

Yasuhisa Yoshida, Jun Suzuki, Tsutomu Hirao, Masaaki Nagata

Proceedings of the 2014 Conference on Empirical Methods in Natural Language Processing, 2014

Learning to Generate Coherent Summary with Discriminative Hidden Semi-Markov Model.

Hitoshi Nishikawa, Kazuho Arita, Katsumi Tanaka, Tsutomu Hirao, Toshiro Makino, Yoshihiro Matsuo

Proceedings of the COLING 2014, 2014

Single Document Summarization based on Nested Tree Structure.

Yuta Kikuchi, Tsutomu Hirao, Hiroya Takamura, Manabu Okumura, Masaaki Nagata

Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics, 2014

2013

Lagrangian Relaxation for Scalable Text Summarization while Maximizing Multiple Objectives.

Masaaki Nishino, Norihito Yasuda, Tsutomu Hirao, Jun Suzuki, Masaaki Nagata

Inf. Media Technol., 2013

Single-Document Summarization as a Tree Knapsack Problem.

Tsutomu Hirao, Yasuhisa Yoshida, Masaaki Nishino, Norihito Yasuda, Masaaki Nagata

Proceedings of the 2013 Conference on Empirical Methods in Natural Language Processing, 2013

Sub-sentence Extraction Based on Combinatorial Optimization.

Norihito Yasuda, Masaaki Nishino, Tsutomu Hirao, Masaaki Nagata

Proceedings of the Advances in Information Retrieval, 2013

Text Summarization while Maximizing Multiple Objectives with Lagrangian Relaxation.

Masaaki Nishino, Norihito Yasuda, Tsutomu Hirao, Jun Suzuki, Masaaki Nagata

Proceedings of the Advances in Information Retrieval, 2013

Latent Semantic Matching: Application to Cross-language Text Categorization without Alignment Information.

Tsutomu Hirao, Tomoharu Iwata, Masaaki Nagata

Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics, 2013

Unsupervised Cluster Matching via Probabilistic Latent Variable Models.

Tomoharu Iwata, Tsutomu Hirao, Naonori Ueda

Proceedings of the Twenty-Seventh AAAI Conference on Artificial Intelligence, 2013

2012

Creating Stories: Social Curation of Twitter Messages.

Kevin Duh, Tsutomu Hirao, Akisato Kimura, Katsuhiko Ishiguro, Tomoharu Iwata, Ching-man Au Yeung

Proceedings of the Sixth International Conference on Weblogs and Social Media, 2012

A Query-Focused Summarization Method that Guarantees the Inclusion of Query Words.

Norihito Yasuda, Masaaki Nishino, Tsutomu Hirao, Jun Suzuki, Ryoji Kataoka

Proceedings of the 23rd International Workshop on Database and Expert Systems Applications, 2012

Text Summarization Model based on Redundancy-Constrained Knapsack Problem.

Hitoshi Nishikawa, Tsutomu Hirao, Toshiro Makino, Yoshihiro Matsuo

Proceedings of the COLING 2012, 2012

Sentence Compression with Semantic Role Constraints.

Katsumasa Yoshikawa, Ryu Iida, Tsutomu Hirao, Manabu Okumura

Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics, Proceedings of the Conference, July 8-14, 2012, Jeju Island, Korea, 2012

2011

Coreference based event-argument relation extraction on biomedical text.

Katsumasa Yoshikawa, Sebastian Riedel, Tsutomu Hirao, Masayuki Asahara, Yuji Matsumoto

J. Biomed. Semant., 2011

Transfer Learning for Multiple-Domain Sentiment Analysis - Identifying Domain Dependent/Independent Word Polarity.

Yasuhisa Yoshida, Tsutomu Hirao, Tomoharu Iwata, Masaaki Nagata, Yuji Matsumoto

Proceedings of the Twenty-Fifth AAAI Conference on Artificial Intelligence, 2011

2010

Divide and Translate: Improving Long Distance Reordering in Statistical Machine Translation.

Katsuhito Sudoh, Kevin Duh, Hajime Tsukada, Tsutomu Hirao, Masaaki Nagata

Proceedings of the Joint Fifth Workshop on Statistical Machine Translation and MetricsMATR, 2010

Automatic Evaluation of Translation Quality for Distant Language Pairs.

Hideki Isozaki, Tsutomu Hirao, Kevin Duh, Katsuhito Sudoh, Hajime Tsukada

Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing, 2010

2009

A Syntax-Free Approach to Japanese Sentence Compression.

Tsutomu Hirao, Jun Suzuki, Hideki Isozaki

Proceedings of the ACL 2009, 2009

2007

Supervised automatic evaluation for summarization with voted regression model.

Tsutomu Hirao, Manabu Okumura, Norihito Yasuda, Hideki Isozaki

Inf. Process. Manag., 2007

2006

Identifying Bloggers' Residential Areas.

Norihito Yasuda, Tsutomu Hirao, Jun Suzuki, Hideki Isozaki

Proceedings of the Computational Approaches to Analyzing Weblogs, 2006

2005

Order SVM: a kernel method for order learning based on generalized order statistics.

Hideto Kazawa, Tsutomu Hirao, Eisaku Maeda

Syst. Comput. Jpn., 2005

Kernel-based Approach for Automatic Evaluation of Natural Language Generation Technologies: Application to Automatic Summarization.

Tsutomu Hirao, Manabu Okumura, Hideki Isozaki

Proceedings of the HLT/EMNLP 2005, 2005

2004

Text Summarization Challenge 2 text summarization evaluation at NTCIR workshop 3.

Manabu Okumura, Takahiro Fukusima, Hidetsugu Nanba, Tsutomu Hirao

SIGIR Forum, 2004

Text Summarization Challenge 3 - Text Summarization Evaluation at NTCIR Workshop.

Tsutomu Hirao, Manabu Okumura, Takahiro Fukusima, Hidetsugu Nanba

Proceedings of the Fourth NTCIR Workshop on Research in Information Access Technologies Information Retrieval, 2004

A Deterministic Word Dependency Analyzer Enhanced With Preference Learning.

Hideki Isozaki, Hideto Kazawa, Tsutomu Hirao

Proceedings of the COLING 2004, 2004

Dependency-based Sentence Alignment for Multiple Document Summarization.

Tsutomu Hirao, Jun Suzuki, Hideki Isozaki, Eisaku Maeda

Proceedings of the COLING 2004, 2004

Corpus and Evaluation Measures for Multiple Document Summarization with Multiple Sources.

Tsutomu Hirao, Takahiro Fukusima, Manabu Okumura, Chikashi Nobata, Hidetsugu Nanba

Proceedings of the COLING 2004, 2004

2003

Experiments in TREC 2003 Genomics Track at NTT.

Hirotoshi Taira, Tomonori Izumitani, Tsutomu Hirao, Hideki Isozaki, Hideto Kazawa, Eisaku Maeda

Proceedings of The Twelfth Text REtrieval Conference, 2003

Japanese Zero Pronoun Resolution based on Ranking Rules and Machine Learning.

Hideki Isozaki, Tsutomu Hirao

Proceedings of the Conference on Empirical Methods in Natural Language Processing, 2003

Hierarchical Directed Acyclic Graph Kernel: Methods for Structured Natural Language Data.

Jun Suzuki, Tsutomu Hirao, Yutaka Sasaki, Eisaku Maeda

Proceedings of the 41st Annual Meeting of the Association for Computational Linguistics, 2003

2002

A Machine Learning Approach for QA and Novelty Tracks: NTT System Description.

Hideto Kazawa, Tsutomu Hirao, Hideki Isozaki, Eisaku Maeda

Proceedings of The Eleventh Text REtrieval Conference, 2002

NTT's QA Systems for NTCIR QAC-1.

Yutaka Sasaki, Hideki Isozaki, Tsutomu Hirao, Koji Kokuryou, Eisaku Maeda

Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, 2002

NTT/NAIST's Text Summarization Systems for TSC-2.

Tsutomu Hirao, Kazuhiro Takeuchi, Hideki Isozaki, Yutaka Sasaki, Eisaku Maeda

Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, 2002

Extracting Important Sentences with Support Vector Machines.

Tsutomu Hirao, Hideki Isozaki, Eisaku Maeda, Yuji Matsumoto

Proceedings of the 19th International Conference on Computational Linguistics, 2002

2001

Text Summarization based on Hanning Window and Dependency Strucuture Analysis.

Tsutomu Hirao, Mamiko Hatayama, Satoshi Yamada, Kazuhiro Takeuchi

Proceedings of the Third Second Workshop Meeting on Evaluation of Chinese & Japanese Text Retrieval and Text Summarization, 2001

1998

NTT DATA at TREC-7: System Approach for Ad-Hoc and Filtering.

Hiroyuke Nakajima, Toru Takaki, Tsutomu Hirao, Akira Kitauchi

Proceedings of The Seventh Text REtrieval Conference, 1998

1995

Colorimetric Precision in Scanner Calibration Using Matrices.

Hideaki Haneishi, Tsutomu Hirao, Akihiro Shimazu, Yoichi Miyake

Proceedings of the 3rd Color and Imaging Conference, 1995