The Hinoki Treebank A Treebank for Text Understanding. - Francis Bond; Sanae Fujita; Chikara Hashimoto; Kaname Kasahara; Shigeko Nariyama; Eric Nichols; Akira Ohtani; Takaaki Tanaka; Shigeaki Amano (IJCNLP, 2004)

Integration of a Lexical Type Database with a Linguistically Interpreted Corpus. - Chikara Hashimoto; Francis Bond; Takaaki Tanaka; Melanie Siegel (LINC@IJCNLP, 2005)

Japanese Idiom Recognition: Drawing a Line between Literal and Idiomatic Meanings. - Chikara Hashimoto; Satoshi Sato; Takehito Utsuro (ACL, 2006)

Detecting Japanese idioms with a linguistically rich dictionary. - Chikara Hashimoto; Satoshi Sato; Takehito Utsuro (Lang. Resour. Evaluation, 2006)

Construction of Domain Dictionary for Fundamental Vocabulary. - Chikara Hashimoto; Sadao Kurohashi (ACL, 2007)

Word Sense Disambiguation Incorporating Lexical and Structural Semantic Information. - Takaaki Tanaka; Francis Bond; Timothy Baldwin; Sanae Fujita; Chikara Hashimoto (EMNLP-CoNLL, 2007)

The Lextype DB: A Web-Based Framework for Supporting Collaborative Multilingual Grammar and Treebank Development. - Chikara Hashimoto; Francis Bond; Dan Flickinger (IWIC, 2007)

Blog Categorization Exploiting Domain Dictionary and Dynamically Estimated Domains of Unknown Words. - Chikara Hashimoto; Sadao Kurohashi (ACL (2), 2008)

Construction of an Idiom Corpus and its Application to Idiom Identification based on WSD Incorporating Idiom-Specific Features. - Chikara Hashimoto; Daisuke Kawahara (EMNLP, 2008)

TSUBAKI: An Open Search Engine Infrastructure for Developing New Information Access Methodology. - Keiji Shinzato; Tomohide Shibata; Daisuke Kawahara; Chikara Hashimoto; Sadao Kurohashi (IJCNLP, 2008)

Parser Adaptation to Patent Domain Exploiting Case Frames. - Chikara Hashimoto; Daisuke Kawahara; Takayuki Yoshida; Hiroki Goto; Shoichi Yokoyama (ISUC, 2008)

A Large-Scale Web Data Collection as a Natural Language Processing Infrastructure. - Keiji Shinzato; Daisuke Kawahara; Chikara Hashimoto; Sadao Kurohashi (LREC, 2008)

Semi-automatic documentation of an implemented linguistic grammar augmented with a treebank. - Chikara Hashimoto; Francis Bond; Takaaki Tanaka; Melanie Siegel (Lang. Resour. Evaluation, 2008)

Large-Scale Verb Entailment Acquisition from the Web. - Chikara Hashimoto; Kentaro Torisawa; Kow Kuroda; Stijn De Saeger; Masaki Murata; Jun'ichi Kazama (EMNLP, 2009)

Dictionary generation for less-frequent language pairs using WordNet. - István Varga; Shoichi Yokoyama; Chikara Hashimoto (Lit. Linguistic Comput., 2009)

Compilation of an idiom example database for supervised idiom identification. - Chikara Hashimoto; Daisuke Kawahara (Lang. Resour. Evaluation, 2009)

Generating information-rich taxonomy from Wikipedia. - Ichiro Yamada; Chikara Hashimoto; Jong-Hoon Oh; Kentaro Torisawa; Kow Kuroda; Stijn De Saeger; Masaaki Tsuchida; Jun'ichi Kazama (IUCS, 2010)

Extracting Paraphrases from Definition Sentences on the Web. - Chikara Hashimoto; Kentaro Torisawa; Stijn De Saeger; Jun'ichi Kazama; Sadao Kurohashi (ACL, 2011)

Relation Acquisition using Word Classes and Partial Patterns. - Stijn De Saeger; Kentaro Torisawa; Masaaki Tsuchida; Jun'ichi Kazama; Chikara Hashimoto; Ichiro Yamada; Jong-Hoon Oh; István Varga; Yulan Yan (EMNLP, 2011)

Toward Finding Semantic Relations not Written in a Single Sentence: An Inference Method using Auto-Discovered Rules. - Masaaki Tsuchida; Kentaro Torisawa; Stijn De Saeger; Jong-Hoon Oh; Jun'ichi Kazama; Chikara Hashimoto; Hayato Ohwada (IJCNLP, 2011)

Extending WordNet with Hypernyms and Siblings Acquired from Wikipedia. - Ichiro Yamada; Jong-Hoon Oh; Chikara Hashimoto; Kentaro Torisawa; Jun'ichi Kazama; Stijn De Saeger; Takuya Kawada (IJCNLP, 2011)

Excitatory or Inhibitory: A New Semantic Orientation Extracts Contradiction and Causality from the Web. - Chikara Hashimoto; Kentaro Torisawa; Stijn De Saeger; Jong-Hoon Oh; Jun'ichi Kazama (EMNLP-CoNLL, 2012)

Why Question Answering using Sentiment Analysis and Word Classes. - Jong-Hoon Oh; Kentaro Torisawa; Chikara Hashimoto; Takuya Kawada; Stijn De Saeger; Jun'ichi Kazama; Yiou Wang (EMNLP-CoNLL, 2012)

Why-Question Answering using Intra- and Inter-Sentential Causal Relations. - Jong-Hoon Oh; Kentaro Torisawa; Chikara Hashimoto; Motoki Sano; Stijn De Saeger; Kiyonori Ohtake (ACL (1), 2013)

Aid is Out There: Looking for Help from Tweets during a Large Scale Disaster. - István Varga; Motoki Sano; Kentaro Torisawa; Chikara Hashimoto; Kiyonori Ohtake; Takao Kawai; Jong-Hoon Oh; Stijn De Saeger (ACL (1), 2013)

Two-Stage Method for Large-Scale Acquisition of Contradiction Pattern Pairs using Entailment. - Julien Kloetzer; Stijn De Saeger; Kentaro Torisawa; Chikara Hashimoto; Jong-Hoon Oh; Motoki Sano; Kiyonori Ohtake (EMNLP, 2013)

WISDOM2013: A Large-scale Web Information Analysis System. - Masahiro Tanaka; Stijn De Saeger; Kiyonori Ohtake; Chikara Hashimoto; Makoto Hijiya; Hideaki Fujii; Kentaro Torisawa (IJCNLP, 2013)

Minimally Supervised Method for Multilingual Paraphrase Extraction from Definition Sentences on the Web. - Yulan Yan; Chikara Hashimoto; Kentaro Torisawa; Takao Kawai; Jun'ichi Kazama; Stijn De Saeger (HLT-NAACL, 2013)

Toward Future Scenario Generation: Extracting Event Causality Exploiting Semantic Relation, Context, and Association Features. - Chikara Hashimoto; Kentaro Torisawa; Julien Kloetzer; Motoki Sano; István Varga; Jong-Hoon Oh; Yutaka Kidawara (ACL (1), 2014)

Million-scale Derivation of Semantic Relations from a Manually Constructed Predicate Taxonomy. - Motoki Sano; Kentaro Torisawa; Julien Kloetzer; Chikara Hashimoto; István Varga; Jong-Hoon Oh (COLING, 2014)

Construction of a Domain Dictionary for Fundamental Vocabulary and its Application to Automatic Blog Categorization Using Dynamically Estimated Domains of Unknown Words. - Chikara Hashimoto; Sadao Kurohashi (Inf. Media Technol., 2014)

Generating Event Causality Hypotheses through Semantic Relations. - Chikara Hashimoto; Kentaro Torisawa; Julien Kloetzer; Jong-Hoon Oh (AAAI, 2015)

Intra-sentential Zero Anaphora Resolution using Subject Sharing Recognition. - Ryu Iida; Kentaro Torisawa; Chikara Hashimoto; Jong-Hoon Oh; Julien Kloetzer (EMNLP, 2015)

Large-Scale Acquisition of Entailment Pattern Pairs by Exploiting Transitivity. - Julien Kloetzer; Kentaro Torisawa; Chikara Hashimoto; Jong-Hoon Oh (EMNLP, 2015)

Recognizing Complex Negation on Twitter. - Junta Mizuno; Canasai Kruengkrai; Kiyonori Ohtake; Chikara Hashimoto; Kentaro Torisawa; Julien Kloetzer; Kentaro Inui (PACLIC, 2015)

A Semi-Supervised Learning Approach to Why-Question Answering. - Jong-Hoon Oh; Kentaro Torisawa; Chikara Hashimoto; Ryu Iida; Masahiro Tanaka; Julien Kloetzer (AAAI, 2016)

WISDOM X, DISAANA and D-SUMM: Large-scale NLP Systems for Analyzing Textual Big Data. - Junta Mizuno; Masahiro Tanaka; Kiyonori Ohtake; Jong-Hoon Oh; Julien Kloetzer; Chikara Hashimoto; Kentaro Torisawa (COLING (Demos), 2016)

Improving Event Causality Recognition with Multiple Background Knowledge Sources Using Multi-Column Convolutional Neural Networks. - Canasai Kruengkrai; Kentaro Torisawa; Chikara Hashimoto; Julien Kloetzer; Jong-Hoon Oh; Masahiro Tanaka (AAAI, 2017)

Detecting Absurd Conversations from Intelligent Assistant Logs by Exploiting User Feedback Utterances. - Chikara Hashimoto; Manabu Sassano (WWW, 2018)

Weakly Supervised Multilingual Causality Extraction from Wikipedia. - Chikara Hashimoto (EMNLP/IJCNLP (1), 2019)

A Two-Phased Approach to Training Data Generation for Shopping Query Intent Prediction. - Gautam Kumar; Chikara Hashimoto (DL4SR@CIKM, 2022)

Hunt for Buried Treasures: Extracting Unclaimed Embodiments from Patent Specifications. - Chikara Hashimoto; Gautam Kumar; Shuichiro Hashimoto; Jun Suzuki 001 (ACL (industry), 2023)

LLM-jp: A Cross-organizational Project for the Research and Development of Fully Open Japanese LLMs. - Akiko Aizawa; Eiji Aramaki; Bowen Chen; Fei Cheng 002; Hiroyuki Deguchi 002; Rintaro Enomoto; Kazuki Fujii; Kensuke Fukumoto; Takuya Fukushima; Namgi Han; Yuto Harada; Chikara Hashimoto; et al. (CoRR, 2024)