Spoken word recognition using statistic and dynamic information obtained by two-dimensional cepstrum analysis. - Yasuo Ariki; S. Mizuta; Masaaki Nagata; Toshiyuki Sakai (ECST, 1987)

Word and monosyllable recognition using lifters on two-dimensional cepstrum. - Yasuo Ariki; Masaaki Nagata; Toshiyuki Sakai (Syst. Comput. Jpn., 1989)

HPSG-Based Lattice Parser for Spoken Japanese in a Spoken Language Translation System. - Masaaki Nagata; Kiyoshi Kogure (ECAI, 1990)

A Spoken Language Translation System: SL-TRANS2. - Tsuyoshi Morimoto; Masami Suzuki; Toshiyuki Takezawa; Gen-ichiro Kikui; Masaaki Nagata; Mutsuko Tomokiyo (COLING, 1992)

An Empirical Study on Rule Granularity and Unification Interleaving Toward an Efficient Unification-Based Parsing System. - Masaaki Nagata (COLING, 1992)

Enhancement of ATR's spoken language translation system: SL-TRANS2. - Tsuyoshi Morimoto; Toshiyuki Takezawa; Kazumi Ohkura; Masaaki Nagata; Fumihiro Yato; Shigeki Sagayama; Akira Kurematsu (ICSLP, 1992)

Using pragmatics to rule out recognition errors in cooperative task-oriented dialogues. - Masaaki Nagata (ICSLP, 1992)

Spoken Language Translation System. - Gen-ichiro Kikui; Mark Seligman; Toshiyuki Takezawa; Masami Suzuki; Kenji Kita; Tsuyoshi Morimoto; Masaaki Nagata; Toshihisa Tashiro; Herbert S. Tropf; Shigeki Sagayama; Jun-ichi Takami; Kazumi Ohkura; et al. (IJCAI, 1993)

ATR's speech translation system: ASURA. - Tsuyoshi Morimoto; Toshiyuki Takezawa; Fumihiro Yato; Shigeki Sagayama; Toshihisa Tashiro; Masaaki Nagata; Akira Kurematsu (EUROSPEECH, 1993)

A Stochastic Japanese Morphological Analyzer Using a Forward-DP Backward-A* N-Best Search Algorithm. - Masaaki Nagata (COLING, 1994)

Efficient chart parsing of speech recognition candidates. - Toshihisa Tashiro; Toshiyuki Takezawa; Tsuyoshi Morimoto; Masaaki Nagata (ICASSP (2), 1994)

A stochastic morphological analyzer for spontaneously spoken languages. - Masaaki Nagata (ICSLP, 1994)

First steps towards statistical modeling of dialogue to predict the speech act type of the next utterance. - Masaaki Nagata; Tsuyoshi Morimoto (Speech Communication, 1994)

Context-Based Spelling Correction for Japanese OCR. - Masaaki Nagata (COLING, 1996)

Automatic Extraction of New Words from Japanese Texts using Generalized Forward-Backward Search. - Masaaki Nagata (EMNLP, 1996)

Automatic acquisition of probabilistic dialogue models. - Kenji Kita; Yoshikazu Fukui; Masaaki Nagata; Tsuyoshi Morimoto (ICSLP, 1996)

A Self-Organizing Japanese Word Segmenter using Heuristic Word Identification and Re-estimation. - Masaaki Nagata (VLC, 1997)

Japanese OCR Error Correction using Character Shape Similarity and Statistical Language Model. - Masaaki Nagata (COLING-ACL, 1998)

A Part of Speech Estimation Method for Japanese Unknown Words using a Statistical Model of Morphology and Context. - Masaaki Nagata (ACL, 1999)

Synchronous Morphological Analysis of Grapheme and Phoneme for Japanese OCR. - Masaaki Nagata (ACL, 2000)

Using the Web as a Bilingual Dictionary. - Masaaki Nagata; Teruka Saito; Kenji Suzuki (DDMMT@ACL, 2001)

Multi-Language Named-Entity Recognition System based on HMM. - Kuniko Saito; Masaaki Nagata (NER@ACL, 2003)

Say-as classification for alphabetic words in Japanese texts. - Hisako Asano; Masaaki Nagata; Masanobu Abe (INTERSPEECH, 2003)

Estimating Japanese word accent from syllable sequence using support vector machine. - Hideharu Nakajima; Masaaki Nagata; Hisako Asano; Masanobu Abe (INTERSPEECH, 2003)

Improving translation models by applying asymmetric learning. - Setsuo Yamada; Masaaki Nagata; Kenji Yamada (MTSummit, 2003)

Efficient Decoding for Statistical Machine Translation with a Fully Expanded WFST Model. - Hajime Tsukada; Masaaki Nagata (EMNLP, 2004)

Portable Translator Capable of Recognizing Characters on Signboard and Menu Captured by its Built-in Camera. - Hideharu Nakajima; Yoshihiro Matsuo; Masaaki Nagata; Kuniko Saito (ACL, 2005)

NUT-NTT statistical machine translation system for IWSLT 2005. - Kazuteru Ohashi; Kazuhide Yamamoto; Kuniko Saito; Masaaki Nagata (IWSLT, 2005)

A Clustered Global Phrase Reordering Model for Statistical Machine Translation. - Masaaki Nagata; Kuniko Saito; Kazuhide Yamamoto; Kazuteru Ohashi (ACL, 2006)

Phrase reordering for statistical machine translation based on predicate-argument structure. - Mamoru Komachi; Yuji Matsumoto 001; Masaaki Nagata (IWSLT, 2006)

A Japanese Predicate Argument Structure Analysis using Decision Lists. - Hirotoshi Taira; Sanae Fujita; Masaaki Nagata (EMNLP, 2008)

NAIST-NTT System Description for Patent Translation Task at NTCIR-7. - Mamoru Komachi; Masaaki Nagata; Yuji Matsumoto 001 (NTCIR, 2008)

Utilizing Images for Assisting Cross-Language Information Retrieval on the Web. - Yoshihiko Hayashi; Savas Ali Bora; Masaaki Nagata (Web Intelligence/IAT Workshops, 2009)

BaseNP Supersense Tagging for Japanese Texts. - Hirotoshi Taira; Sen Yoshida; Masaaki Nagata (PACLIC, 2009)

Utilizing Features of Verbs in Statistical Zero Pronoun Resolution for Japanese Speech. - Sen Yoshida; Masaaki Nagata (PACLIC, 2009)

Constructing Large-Scale Person Ontology from Wikipedia. - Yumi Shibaki; Masaaki Nagata; Kazuhide Yamamoto (PWNLP@COLING, 2010)

Word Alignment with Synonym Regularization. - Hiroyuki Shindo; Akinori Fujino; Masaaki Nagata (ACL (2), 2010)

Predicate Argument Structure Analysis Using Transformation Based Learning. - Hirotoshi Taira; Sanae Fujita; Masaaki Nagata (ACL (2), 2010)

Exploring the Visual Annotatability of Query Concepts for Interactive Cross-Language Information Retrieval. - Yoshihiko Hayashi; Masaaki Nagata; Savas Ali Bora (AIRS, 2010)

A robust semi-supervised classification method for transfer learning. - Akinori Fujino; Naonori Ueda; Masaaki Nagata (CIKM, 2010)

Enriching Dictionaries with Images from the Internet - Targeting Wikipedia and a Japanese Semantic Lexicon: Lexeed -. - Sanae Fujita; Masaaki Nagata (COLING, 2010)

N-Best Reranking by Multitask Learning. - Kevin Duh; Katsuhito Sudoh; Hajime Tsukada; Hideki Isozaki; Masaaki Nagata (WMT@ACL, 2010)

Divide and Translate: Improving Long Distance Reordering in Statistical Machine Translation. - Katsuhito Sudoh; Kevin Duh; Hajime Tsukada; Tsutomu Hirao; Masaaki Nagata (WMT@ACL, 2010)

Transfer Learning for Multiple-Domain Sentiment Analysis - Identifying Domain Dependent/Independent Word Polarity. - Yasuhisa Yoshida; Tsutomu Hirao; Tomoharu Iwata; Masaaki Nagata; Yuji Matsumoto 001 (AAAI, 2011)

Is Machine Translation Ripe for Cross-Lingual Sentiment Classification? - Kevin Duh; Akinori Fujino; Masaaki Nagata (ACL (2), 2011)

Insertion Operator for Bayesian Tree Substitution Grammars. - Hiroyuki Shindo; Akinori Fujino; Masaaki Nagata (ACL (2), 2011)

Learning Condensed Feature Representations from Large Unsupervised Data Sets for Supervised Learning. - Jun Suzuki 001; Hideki Isozaki; Masaaki Nagata (ACL (2), 2011)

Providing Cross-Lingual Editing Assistance to Wikipedia Editors. - Ching-man Au Yeung; Kevin Duh; Masaaki Nagata (CICLing (2), 2011)

Generalized Minimum Bayes Risk System Combination. - Kevin Duh; Katsuhito Sudoh; Xianchao Wu; Hajime Tsukada; Masaaki Nagata (IJCNLP, 2011)

Error Correcting Romaji-kana Conversion for Japanese Language Education. - Seiji Kasahara; Mamoru Komachi; Masaaki Nagata; Yuji Matsumoto 001 (WTIM@IJCNLP, 2011)

Mining Revision Log of Language Learning SNS for Automated Japanese Error Correction of Second Language Learners. - Tomoya Mizumoto; Mamoru Komachi; Masaaki Nagata; Yuji Matsumoto 001 (IJCNLP, 2011)

Distributed Minimum Error Rate Training of SMT using Particle Swarm Optimization. - Jun Suzuki 001; Kevin Duh; Masaaki Nagata (IJCNLP, 2011)

Extracting Pre-ordering Rules from Predicate-Argument Structures. - Xianchao Wu; Katsuhito Sudoh; Kevin Duh; Hajime Tsukada; Masaaki Nagata (IJCNLP, 2011)

Post-ordering in Statistical Machine Translation. - Katsuhito Sudoh; Xianchao Wu; Kevin Duh; Hajime Tsukada; Masaaki Nagata (MTSummit, 2011)

Extracting Pre-ordering Rules from Chunk-based Dependency Trees for Japanese-to-English Translation. - Xianchao Wu; Katsuhito Sudoh; Kevin Duh; Hajime Tsukada; Masaaki Nagata (MTSummit, 2011)

NTTCS Textual Entailment Recognition System for NTCIR-9 RITE. - Yasuhiro Akiba; Hirotoshi Taira; Sanae Fujita; Kaname Kasahara; Masaaki Nagata (NTCIR, 2011)

NTT-UT Statistical Machine Translation in NTCIR-9 PatentMT. - Katsuhito Sudoh; Kevin Duh; Hajime Tsukada; Masaaki Nagata; Xianchao Wu; Takuya Matsuzaki; Jun'ichi Tsujii (NTCIR, 2011)

Assisting cross-lingual editing in collaborative writing. - Ching-man Au Yeung; Kevin Duh; Masaaki Nagata (SIGWEB Newsl., 2011)

Learning to Translate with Multiple Objectives. - Kevin Duh; Katsuhito Sudoh; Xianchao Wu; Hajime Tsukada; Masaaki Nagata (ACL (1), 2012)

Bayesian Symbol-Refined Tree Substitution Grammars for Syntactic Parsing. - Hiroyuki Shindo; Yusuke Miyao; Akinori Fujino; Masaaki Nagata (ACL (1), 2012)

A Comparative Study of Target Dependency Structures for Statistical Machine Translation. - Xianchao Wu; Katsuhito Sudoh; Kevin Duh; Hajime Tsukada; Masaaki Nagata (ACL (2), 2012)

The Effect of Learner Corpus Size in Grammatical Error Correction of ESL Writings. - Tomoya Mizumoto; Yuta Hayashibe; Mamoru Komachi; Masaaki Nagata; Yuji Matsumoto 001 (COLING (Posters), 2012)

Head Finalization Reordering for Chinese-to-Japanese Machine Translation. - Dan Han; Katsuhito Sudoh; Xianchao Wu; Kevin Duh; Hajime Tsukada; Masaaki Nagata (SSST@ACL, 2012)

Zero Pronoun Resolution can Improve the Quality of J-E Translation. - Hirotoshi Taira; Katsuhito Sudoh; Masaaki Nagata (SSST@ACL, 2012)

Constructing a Practical Constituent Parser from a Japanese Treebank with Function Labels. - Takaaki Tanaka; Masaaki Nagata (SPMRL@EMNLP, 2013)

Latent Semantic Matching: Application to Cross-language Text Categorization without Alignment Information. - Tsutomu Hirao; Tomoharu Iwata; Masaaki Nagata (ACL (2), 2013)

Supervised Model Learning with Feature Grouping based on a Discrete Constraint. - Jun Suzuki 001; Masaaki Nagata (ACL (2), 2013)

Text Summarization while Maximizing Multiple Objectives with Lagrangian Relaxation. - Masaaki Nishino; Norihito Yasuda; Tsutomu Hirao; Jun Suzuki 001; Masaaki Nagata (ECIR, 2013)

Sub-sentence Extraction Based on Combinatorial Optimization. - Norihito Yasuda; Masaaki Nishino; Tsutomu Hirao; Masaaki Nagata (ECIR, 2013)

Shift-Reduce Word Reordering for Machine Translation. - Katsuhiko Hayashi 001; Katsuhito Sudoh; Hajime Tsukada; Jun Suzuki 001; Masaaki Nagata (EMNLP, 2013)

Single-Document Summarization as a Tree Knapsack Problem. - Tsutomu Hirao; Yasuhisa Yoshida; Masaaki Nishino; Norihito Yasuda; Masaaki Nagata (EMNLP, 2013)

Noise-Aware Character Alignment for Bootstrapping Statistical Machine Transliteration from Bilingual Corpora. - Katsuhito Sudoh; Shinsuke Mori; Masaaki Nagata (EMNLP, 2013)

Using unlabeled dependency parsing for pre-reordering for Chinese-to-Japanese statistical machine translation. - Dan Han; Pascual Martínez-Gómez; Yusuke Miyao; Katsuhito Sudoh; Masaaki Nagata (HyTra@ACL, 2013)

Statistical Parsing with Probabilistic Symbol-Refined Tree Substitution Grammars. - Hiroyuki Shindo; Yusuke Miyao; Akinori Fujino; Masaaki Nagata (IJCAI, 2013)

Two-Stage Pre-ordering for Japanese-to-English Statistical Machine Translation. - Sho Hoshino; Yusuke Miyao; Katsuhito Sudoh; Masaaki Nagata (IJCNLP, 2013)

NTT-NII Statistical Machine Translation for NTCIR-10 PatentMT. - Katsuhito Sudoh; Jun Suzuki 001; Hajime Tsukada; Masaaki Nagata; Sho Hoshino; Yusuke Miyao (NTCIR, 2013)

Effects of Parsing Errors on Pre-Reordering Performance for Chinese-to-Japanese SMT. - Dan Han; Pascual Martínez-Gómez; Yusuke Miyao; Katsuhito Sudoh; Masaaki Nagata (PACLIC, 2013)

Lagrangian Relaxation for Scalable Text Summarization while Maximizing Multiple Objectives. - Masaaki Nishino; Norihito Yasuda; Tsutomu Hirao; Jun Suzuki 001; Masaaki Nagata (Inf. Media Technol., 2013)

Adaptive semi-supervised learning on labeled and unlabeled data with different distributions. - Akinori Fujino; Naonori Ueda; Masaaki Nagata (Knowl. Inf. Syst., 2013)

Syntax-Based Post-Ordering for Efficient Japanese-to-English Translation. - Katsuhito Sudoh; Xianchao Wu; Kevin Duh; Hajime Tsukada; Masaaki Nagata (ACM Trans. Asian Lang. Inf. Process., 2013)

Managing information disparity in multilingual document collections. - Kevin Duh; Ching-man Au Yeung; Tomoharu Iwata; Masaaki Nagata (ACM Trans. Speech Lang. Process., 2013)

A Sparse Parameter Learning Method for Probabilistic Logic Programs. - Masaaki Nishino; Akihiro Yamamoto; Masaaki Nagata (StarAI@AAAI, 2014)

Fused Feature Representation Discovery for High-Dimensional and Sparse Data. - Jun Suzuki 001; Masaaki Nagata (AAAI, 2014)

Single Document Summarization based on Nested Tree Structure. - Yuta Kikuchi; Tsutomu Hirao; Hiroya Takamura; Manabu Okumura; Masaaki Nagata (ACL (2), 2014)

Japanese-to-English patent translation system based on domain-adapted word segmentation and post-ordering. - Katsuhito Sudoh; Masaaki Nagata; Shinsuke Mori; Tatsuya Kawahara (AMTA, 2014)

Dependency-based Discourse Parser for Single-Document Summarization. - Yasuhisa Yoshida; Jun Suzuki 001; Tsutomu Hirao; Masaaki Nagata (EMNLP, 2014)

The NAIST-NTT TED talk treebank. - Graham Neubig; Katsuhito Sudoh; Yusuke Oda; Kevin Duh; Hajime Tsukada; Masaaki Nagata (IWSLT, 2014)

Accelerating Graph Adjacency Matrix Multiplications with Adjacency Forest. - Masaaki Nishino; Norihito Yasuda; Shin-ichi Minato; Masaaki Nagata (SDM, 2014)

Unlabeled Dependency Parsing Based Pre-reordering for Chinese-to-Japanese SMT. - Dan Han; Pascual Martínez-Gómez; Yusuke Miyao; Katsuhito Sudoh; Masaaki Nagata (Inf. Media Technol., 2014)

BDD-Constrained Search: A Unified Approach to Constrained Shortest Path Problems. - Masaaki Nishino; Norihito Yasuda; Shin-ichi Minato; Masaaki Nagata (AAAI, 2015)

Discriminative Preordering Meets Kendall's Tau Maximization. - Sho Hoshino; Yusuke Miyao; Katsuhito Sudoh; Katsuhiko Hayashi 001; Masaaki Nagata (ACL (2), 2015)

A Unified Learning Framework of Skip-Grams and Global Vectors. - Jun Suzuki 001; Masaaki Nagata (ACL (2), 2015)

Word-based Japanese typed dependency parsing with grammatical function analysis. - Takaaki Tanaka; Masaaki Nagata (ACL (2), 2015)

Chinese-to-Japanese Patent Machine Translation based on Syntactic Pre-ordering forWAT 2015. - Katsuhito Sudoh; Masaaki Nagata (WAT, 2015)

Enhanced Word Embeddings from a Hierarchical Neural Language Model. - Xun Wang; Katsuhito Sudoh; Masaaki Nagata (CIKM, 2015)

Hybrid Approach to PDTB-styled Discourse Parsing for CoNLL-2015. - Yasuhisa Yoshida; Katsuhiko Hayashi 001; Tsutomu Hirao; Masaaki Nagata (CoNLL Shared Task, 2015)

Empty Category Detection using Path Features and Distributed Case Frames. - Shunsuke Takeno; Masaaki Nagata; Kazuhide Yamamoto (EMNLP, 2015)

A Dynamic Programming Algorithm for Tree Trimming-based Text Summarization. - Masaaki Nishino; Norihito Yasuda; Tsutomu Hirao; Shin-ichi Minato; Masaaki Nagata (HLT-NAACL, 2015)

Empty Category Detection With Joint Context-Label Embeddings. - Xun Wang; Katsuhito Sudoh; Masaaki Nagata (HLT-NAACL, 2015)

Rating Entities and Aspects Using a Hierarchical Model. - Xun Wang; Katsuhito Sudoh; Masaaki Nagata (PAKDD (2), 2015)

Noise-aware Character Alignment for Extracting Transliteration Fragments. - Katsuhito Sudoh; Shinsuke Mori; Masaaki Nagata (Inf. Media Technol., 2015)

Summarizing a Document by Trimming the Discourse Tree. - Tsutomu Hirao; Masaaki Nishino; Yasuhisa Yoshida; Jun Suzuki 001; Norihito Yasuda; Masaaki Nagata (IEEE ACM Trans. Audio Speech Lang. Process., 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)

Zero-Suppressed Sentential Decision Diagrams. - Masaaki Nishino; Norihito Yasuda; Shin-ichi Minato; Masaaki Nagata (AAAI, 2016)

Empty element recovery by spinal parser operations. - Katsuhiko Hayashi 001; Masaaki Nagata (ACL (2), 2016)

Phrase Table Pruning via Submodular Function Maximization. - Masaaki Nishino; Jun Suzuki 001; Masaaki Nagata (ACL (2), 2016)

Chinese-to-Japanese Patent Machine Translation based on Syntactic Pre-ordering for WAT 2016. - Katsuhito Sudoh; Masaaki Nagata (WAT@COLING, 2016)

Integrating empty category detection into preordering Machine Translation. - Shunsuke Takeno; Masaaki Nagata; Kazuhide Yamamoto (WAT@COLING, 2016)

Exploring Text Links for Coherent Multi-Document Summarization. - Xun Wang; Masaaki Nishino; Tsutomu Hirao; Katsuhito Sudoh; Masaaki Nagata (COLING, 2016)

Neural Headline Generation on Abstract Meaning Representation. - Sho Takase; Jun Suzuki 001; Naoaki Okazaki; Tsutomu Hirao; Masaaki Nagata (EMNLP, 2016)

Learning Compact Neural Word Embeddings by Parameter Space Sharing. - Jun Suzuki 001; Masaaki Nagata (IJCAI, 2016)

Right-truncatable Neural Word Embeddings. - Jun Suzuki 001; Masaaki Nagata (HLT-NAACL, 2016)

Empirical comparison of dependency conversions for RST discourse trees. - Katsuhiko Hayashi 001; Tsutomu Hirao; Masaaki Nagata (SIGDIAL Conference, 2016)

Reading Comprehension using Entity-based Memory Network. - Xun Wang; Katsuhito Sudoh; Masaaki Nagata; Tomohide Shibata; Daisuke Kawahara; Sadao Kurohashi (CoRR, 2016)

Shift-reduce Spinal TAG Parsing with Dynamic Programming. - Katsuhiko Hayashi 001; Jun Suzuki 001; Masaaki Nagata (Inf. Media Technol., 2016)

Dancing with Decision Diagrams: A Combined Approach to Exact Cover. - Masaaki Nishino; Norihito Yasuda; Shin-ichi Minato; Masaaki Nagata (AAAI, 2017)

Compiling Graph Substructures into Sentential Decision Diagrams. - Masaaki Nishino; Norihito Yasuda; Shin-ichi Minato; Masaaki Nagata (AAAI, 2017)

BDD-Constrained A* Search: A Fast Method for Solving Constrained DAG Shortest-Path Problems. - Fumito Takeuchi; Masaaki Nishino; Norihito Yasuda; Takuya Akiba; Shin-ichi Minato; Masaaki Nagata (AAAI Workshops, 2017)

Oracle Summaries of Compressive Summarization. - Tsutomu Hirao; Masaaki Nishino; Masaaki Nagata (ACL (2), 2017)

NTT Neural Machine Translation Systems at WAT 2017. - Makoto Morishita; Jun Suzuki 001; Masaaki Nagata (WAT@IJCNLP, 2017)

Controlling Target Features in Neural Machine Translation via Prefix Constraints. - Shunsuke Takeno; Masaaki Nagata; Kazuhide Yamamoto (WAT@IJCNLP, 2017)

Learning to Rank for Coordination Detection. - Xun Wang; Rumeng Li; Hiroyuki Shindo; Katsuhito Sudoh; Masaaki Nagata (CICLing (1), 2017)

Enumeration of Extractive Oracle Summaries. - Tsutomu Hirao; Masaaki Nishino; Jun Suzuki 001; Masaaki Nagata (EACL (1), 2017)

K-best Iterative Viterbi Parsing. - Katsuhiko Hayashi 001; Masaaki Nagata (EACL (2), 2017)

Cutting-off Redundant Repeating Generations for Neural Abstractive Summarization. - Jun Suzuki 001; Masaaki Nagata (EACL (2), 2017)

Supervised Attention for Sequence-to-Sequence Constituency Parsing. - Hidetaka Kamigaito; Katsuhiko Hayashi 001; Tsutomu Hirao; Hiroya Takamura; Manabu Okumura; Masaaki Nagata (IJCNLP(2), 2017)

Input-to-Output Gate to Improve RNN Language Models. - Sho Takase; Jun Suzuki 001; Masaaki Nagata (IJCNLP(2), 2017)

Hierarchical Word Structure-based Parsing: A Feasibility Study on UD-style Dependency Parsing in Japanese. - Takaaki Tanaka; Katsuhiko Hayashi 001; Masaaki Nagata (IWPT, 2017)

RNN-based Encoder-decoder Approach with Word Frequency Estimation. - Jun Suzuki 001; Masaaki Nagata (CoRR, 2017)

Source-side Prediction for Neural Headline Generation. - Shun Kiyono; Sho Takase; Jun Suzuki 001; Naoaki Okazaki; Kentaro Inui; Masaaki Nagata (CoRR, 2017)

Learning to Answer Questions by Understanding Using Entity-Based Memory Network. - Xun Wang; Katsuhito Sudoh; Masaaki Nagata; Tomohide Shibata; Daisuke Kawahara; Sadao Kurohashi (Computación y Sistemas, 2017)

BDD-Constrained A* Search: A Fast Method for Solving Constrained Shortest-Path Problems. - Fumito Takeuchi; Masaaki Nishino; Norihito Yasuda; Takuya Akiba; Shin-ichi Minato; Masaaki Nagata (IEICE Trans. Inf. Syst., 2017)

An Empirical Study of Building a Strong Baseline for Constituency Parsing. - Jun Suzuki 001; Sho Takase; Hidetaka Kamigaito; Makoto Morishita; Masaaki Nagata (ACL (2), 2018)

Improving Neural Machine Translation by Incorporating Hierarchical Subword Features. - Makoto Morishita; Jun Suzuki 001; Masaaki Nagata (COLING, 2018)

Automatic Pyramid Evaluation Exploiting EDU-based Extractive Reference Summaries. - Tsutomu Hirao; Hidetaka Kamigaito; Masaaki Nagata (EMNLP, 2018)

Unsupervised Token-wise Alignment to Improve Interpretation of Encoder-Decoder Models. - Shun Kiyono; Sho Takase; Jun Suzuki 001; Naoaki Okazaki; Kentaro Inui; Masaaki Nagata (BlackboxNLP@EMNLP, 2018)

Direct Output Connection for a High-Rank Language Model. - Sho Takase; Jun Suzuki 001; Masaaki Nagata (EMNLP, 2018)

Optimizing Network Reliability via Best-First Search over Decision Diagrams. - Masaaki Nishino; Takeru Inoue; Norihito Yasuda; Shin-ichi Minato; Masaaki Nagata (INFOCOM, 2018)

Word Rewarding for Adequate Neural Machine Translation. - Yuto Takebayashi; Chenhui Chu; Yuki Arase; Masaaki Nagata (IWSLT, 2018)

Pruning Basic Elements for Better Automatic Evaluation of Summaries. - Ukyo Honda; Tsutomu Hirao; Masaaki Nagata (NAACL-HLT (2), 2018)

Neural Tensor Networks with Diagonal Slice Matrices. - Takahiro Ishihara; Katsuhiko Hayashi 001; Hitoshi Manabe; Masashi Shimbo; Masaaki Nagata (NAACL-HLT, 2018)

Higher-Order Syntactic Attention Network for Longer Sentence Compression. - Hidetaka Kamigaito; Katsuhiko Hayashi 001; Tsutomu Hirao; Masaaki Nagata (NAACL-HLT, 2018)

Provable Fast Greedy Compressive Summarization with Any Monotone Submodular Function. - Shinsaku Sakaue; Tsutomu Hirao; Masaaki Nishino; Masaaki Nagata (NAACL-HLT, 2018)

Reducing Odd Generation from Neural Headline Generation. - Shun Kiyono; Sho Takase; Jun Suzuki 001; Naoaki Okazaki; Kentaro Inui; Masaaki Nagata (PACLIC, 2018)

NTT's Neural Machine Translation Systems for WMT 2018. - Makoto Morishita; Jun Suzuki 001; Masaaki Nagata (WMT (shared task), 2018)

Character n-Gram Embeddings to Improve RNN Language Models. - Sho Takase; Jun Suzuki 001; Masaaki Nagata (AAAI, 2019)

Attention over Heads: A Multi-Hop Attention for Neural Machine Translation. - Shohei Iida; Ryuichiro Kimura; Hongyi Cui; Po-Hsuan Hung; Takehito Utsuro; Masaaki Nagata (ACL (2), 2019)

Answering while Summarizing: Multi-task Learning for Multi-hop QA with Evidence Extraction. - Kosuke Nishida; Kyosuke Nishida; Masaaki Nagata; Atsushi Otsuka; Itsumi Saito; Hisako Asano; Junji Tomita (ACL (1), 2019)

Using Semantic Similarity as Reward for Reinforcement Learning in Sentence Generation. - Go Yasui; Yoshimasa Tsuruoka; Masaaki Nagata (ACL (2), 2019)

NTT Neural Machine Translation Systems at WAT 2019. - Makoto Morishita; Jun Suzuki 001; Masaaki Nagata (WAT@EMNLP-IJCNLP, 2019)

Context-aware Neural Machine Translation with Coreference Information. - Takumi Ohtani; Hidetaka Kamigaito; Masaaki Nagata; Manabu Okumura (DiscoMT@EMNLP, 2019)

Mixed Multi-Head Self-Attention for Neural Machine Translation. - Hongyi Cui; Shohei Iida; Po-Hsuan Hung; Takehito Utsuro; Masaaki Nagata (NGT@EMNLP-IJCNLP, 2019)

Split or Merge: Which is Better for Unsupervised RST Parsing? - Naoki Kobayashi; Tsutomu Hirao; Kengo Nakamura 001; Hidetaka Kamigaito; Manabu Okumura; Masaaki Nagata (EMNLP/IJCNLP (1), 2019)

Generating Natural Anagrams: Towards Language Generation Under Hard Combinatorial Constraints. - Masaaki Nishino; Sho Takase; Tsutomu Hirao; Masaaki Nagata (EMNLP/IJCNLP (1), 2019)

ILP-based Compressive Speech Summarization with Content Word Coverage Maximization and Its Oracle Performance Analysis. - Atsunori Ogawa; Tsutomu Hirao; Tomohiro Nakatani; Masaaki Nagata (ICASSP, 2019)

A Multi-Hop Attention for RNN based Neural Machine Translation. - Shohei Iida; Ryuichiro Kimura; Hongyi Cui; Po-Hsuan Hung; Takehito Utsuro; Masaaki Nagata (PSLT@MTSummit, 2019)

Selecting Informative Context Sentence by Forced Back-Translation. - Ryuichiro Kimura; Shohei Iida; Hongyi Cui; Po-Hsuan Hung; Takehito Utsuro; Masaaki Nagata (MTSummit (1), 2019)

NTT's Machine Translation Systems for WMT19 Robustness Task. - Soichiro Murakami; Makoto Morishita; Tsutomu Hirao; Masaaki Nagata (WMT (2), 2019)

Top-Down RST Parsing Utilizing Granularity Levels in Documents. - Naoki Kobayashi; Tsutomu Hirao; Hidetaka Kamigaito; Manabu Okumura; Masaaki Nagata (AAAI, 2020)

SpanAlign: Sentence Alignment Method based on Cross-Language Span Prediction and ILP. - Katsuki Chousa; Masaaki Nagata; Masaaki Nishino (COLING, 2020)

SODA: Story Oriented Dense Video Captioning Evaluation Framework. - Soichiro Fujita; Tsutomu Hirao; Hidetaka Kamigaito; Manabu Okumura; Masaaki Nagata (ECCV (6), 2020)

A Supervised Word Alignment Method based on Cross-Language Span Prediction using Multilingual BERT. - Masaaki Nagata; Katsuki Chousa; Masaaki Nishino (EMNLP (1), 2020)

Sequential Span Classification with Neural Semi-Markov CRFs for Biomedical Abstracts. - Kosuke Yamada; Tsutomu Hirao; Ryohei Sasano; Koichi Takeda 003; Masaaki Nagata (EMNLP (Findings), 2020)

University of Tsukuba's Machine Translation System for IWSLT20 Open Domain Translation Task. - Hongyi Cui; Yizhen Wei; Shohei Iida; Takehito Utsuro; Masaaki Nagata (IWSLT, 2020)

JParaCrawl: A Large Scale Web-Based English-Japanese Parallel Corpus. - Makoto Morishita; Jun Suzuki 001; Masaaki Nagata (LREC, 2020)

A Test Set for Discourse Translation from Japanese to English. - Masaaki Nagata; Makoto Morishita (LREC, 2020)

Findings of the 2020 Conference on Machine Translation (WMT20). - Loïc Barrault; Magdalena Biesialska; Ondrej Bojar; Marta R. Costa-jussà; Christian Federmann; Yvette Graham; Roman Grundkiewicz; Barry Haddow; Matthias Huck; Eric Joanis; Tom Kocmi; Philipp Koehn; et al. (WMT@EMNLP, 2020)

Bilingual Text Extraction as Reading Comprehension. - Katsuki Chousa; Masaaki Nagata; Masaaki Nishino (CoRR, 2020)

Zero Pronouns Identification based on Span prediction. - Sei Iwata; Taro Watanabe; Masaaki Nagata (ACL (student), 2021)

Context-aware Neural Machine Translation with Mini-batch Embedding. - Makoto Morishita; Jun Suzuki 001; Tomoharu Iwata; Masaaki Nagata (EACL, 2021)

Machine Translation Utilizing Similar Translation Retrieval. - Takuya Tamura; Yizhen Wei; Takehito Utsuro; Masaaki Nagata (JSAI, 2021)

Improving Neural RST Parsing Model with Silver Agreement Subtrees. - Naoki Kobayashi; Tsutomu Hirao; Hidetaka Kamigaito; Manabu Okumura; Masaaki Nagata (NAACL-HLT, 2021)

Findings of the 2021 Conference on Machine Translation (WMT21). - Farhad Akhbardeh; Arkady Arkhangorodsky; Magdalena Biesialska; Ondrej Bojar; Rajen Chatterjee; Vishrav Chaudhary; Marta R. Costa-jussà; Cristina España-Bonet; Angela Fan; Christian Federmann; Markus Freitag; Yvette Graham; et al. (WMT@EMNLP, 2021)

A Simple and Strong Baseline for End-to-End Neural RST-style Discourse Parsing. - Naoki Kobayashi; Tsutomu Hirao; Hidetaka Kamigaito; Manabu Okumura; Masaaki Nagata (EMNLP (Findings), 2022)

Domain Adaptation of Machine Translation with Crowdworkers. - Makoto Morishita; Jun Suzuki 001; Masaaki Nagata (EMNLP (Industry Track), 2022)

JParaCrawl v3.0: A Large-scale English-Japanese Parallel Corpus. - Makoto Morishita; Katsuki Chousa; Jun Suzuki 001; Masaaki Nagata (LREC, 2022)

Findings of the 2022 Conference on Machine Translation (WMT22). - Tom Kocmi; Rachel Bawden; Ondrej Bojar; Anton Dvorkovich; Christian Federmann; Mark Fishel; Thamme Gowda; Yvette Graham; Roman Grundkiewicz; Barry Haddow; Rebecca Knowles; Philipp Koehn; et al. (WMT, 2022)

Extending Word-Level Quality Estimation for Post-Editing Assistance. - Yizhen Wei; Takehito Utsuro; Masaaki Nagata (CoRR, 2022)

WSPAlign: Word Alignment Pre-training via Large-Scale Weakly Supervised Span Prediction. - Qiyu Wu 001; Masaaki Nagata; Yoshimasa Tsuruoka (ACL (1), 2023)

Enhanced Retrieve-Edit-Rerank Framework with kNN-MT. - Xiaotian Wang; Takuya Tamura; Takehito Utsuro; Masaaki Nagata (PACLIC, 2023)

Document Alignment based on Overlapping Fixed-Length Segments. - Xiaotian Wang; Takehito Utsuro; Masaaki Nagata (ACL (Student Research Workshop), 2024)

JaParaPat: A Large-Scale Japanese-English Parallel Patent Application Corpus. - Masaaki Nagata; Makoto Morishita; Katsuki Chousa; Norihito Yasuda (LREC/COLING, 2024)

Argument Mining as a Text-to-Text Generation Task. - Masayuki Kawarada; Tsutomu Hirao; Wataru Uchida; Masaaki Nagata (EACL (1), 2024)

Detector-Corrector: Edit-Based Automatic Post Editing for Human Post Editing. - Hiroyuki Deguchi 002; Masaaki Nagata; Taro Watanabe (EAMT (1), 2024)

Word Alignment as Preference for Machine Translation. - Qiyu Wu 001; Masaaki Nagata; Zhongtao Miao; Yoshimasa Tsuruoka (EMNLP, 2024)

Findings of the WMT24 General Machine Translation Shared Task: The LLM Era Is Here but MT Is Not Solved Yet. - Tom Kocmi; Eleftherios Avramidis; Rachel Bawden; Ondrej Bojar; Anton Dvorkovich; Christian Federmann; Mark Fishel; Markus Freitag; Thamme Gowda; Roman Grundkiewicz; Barry Haddow; Marzena Karpinska; et al. (WMT, 2024)

A Japanese-Chinese Parallel Corpus Using Crowdsourcing for Web Mining. - Masaaki Nagata; Makoto Morishita; Katsuki Chousa; Norihito Yasuda (CoRR, 2024)

Enhancing Translation Accuracy of Large Language Models through Continual Pre-Training on Parallel Data. - Minato Kondo; Takehito Utsuro; Masaaki Nagata (CoRR, 2024)

Preliminary WMT24 Ranking of General MT Systems and LLMs. - Tom Kocmi; Eleftherios Avramidis; Rachel Bawden; Ondrej Bojar; Anton Dvorkovich; Christian Federmann; Mark Fishel; Markus Freitag; Thamme Gowda; Roman Grundkiewicz; Barry Haddow; Marzena Karpinska; et al. (CoRR, 2024)

Improving Word Alignment Using Semi-Supervised Learning. - Zhongtao Miao; Qiyu Wu 001; Masaaki Nagata; Yoshimasa Tsuruoka (ACL (Findings), 2025)

Preliminary Ranking of WMT25 General Machine Translation Systems. - Tom Kocmi; Eleftherios Avramidis; Rachel Bawden; Ondrej Bojar; Konstantin Dranch; Anton Dvorkovich; Sergey Dukanov; Natalia Fedorova; Mark Fishel; Markus Freitag; Thamme Gowda; Roman Grundkiewicz; et al. (CoRR, 2025)