Chikara Hashimoto

According to our database, Chikara Hashimoto authored at least 43 papers between 2004 and 2024.

Collaborative distances:

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

2024

LLM-jp: A Cross-organizational Project for the Research and Development of Fully Open Japanese LLMs.

Akiko Aizawa, Eiji Aramaki, Bowen Chen, Fei Cheng, Hiroyuki Deguchi, Rintaro Enomoto, Kazuki Fujii, Kensuke Fukumoto, Takuya Fukushima, Namgi Han, Yuto Harada, Chikara Hashimoto, Tatsuya Hiraoka, Shohei Hisada, Sosuke Hosokawa, Lu Jie, Keisuke Kamata, Teruhito Kanazawa, Hiroki Kanezashi, Hiroshi Kataoka, Satoru Katsumata, Daisuke Kawahara, Seiya Kawano, Atsushi Keyaki, Keisuke Kiryu, Hirokazu Kiyomaru, Takashi Kodama, Takahiro Kubo, Yohei Kuga, Ryoma Kumon, Shuhei Kurita, Sadao Kurohashi, Conglong Li, Taiki Maekawa, Hiroshi Matsuda, Yusuke Miyao, Kentaro Mizuki, Sakae Mizuki, Yugo Murawaki, Ryo Nakamura, Taishi Nakamura, Kouta Nakayama, Tomoka Nakazato, Takuro Niitsuma, Jiro Nishitoba, Yusuke Oda, Hayato Ogawa, Takumi Okamoto, Naoaki Okazaki, Yohei Oseki, Shintaro Ozaki, Koki Ryu, Rafal Rzepka, Keisuke Sakaguchi, Shota Sasaki, Satoshi Sekine, Kohei Suda, Saku Sugawara, Issa Sugiura, Hiroaki Sugiyama, Hisami Suzuki, Jun Suzuki, Toyotaro Suzumura, Kensuke Tachibana, Yu Takagi, Kyosuke Takami, Koichi Takeda, Masashi Takeshita, Masahiro Tanaka, Kenjiro Taura, Arseny Tolmachev, Nobuhiro Ueda, Zhen Wan, Shuntaro Yada, Sakiko Yahata, Yuya Yamamoto, Yusuke Yamauchi, Hitomi Yanaka, Rio Yokota, Koichiro Yoshino

CoRR, 2024

2023

Hunt for Buried Treasures: Extracting Unclaimed Embodiments from Patent Specifications.

Chikara Hashimoto, Gautam Kumar, Shuichiro Hashimoto, Jun Suzuki

Proceedings of the The 61st Annual Meeting of the Association for Computational Linguistics: Industry Track, 2023

2022

A Two-Phased Approach to Training Data Generation for Shopping Query Intent Prediction.

Gautam Kumar, Chikara Hashimoto

Proceedings of the Workshop on Deep Learning for Search and Recommendation (DL4SR 2022) co-located with the 31st ACM International Conference on Information and Knowledge Management (CIKM 2022), 2022

2019

Weakly Supervised Multilingual Causality Extraction from Wikipedia.

Chikara Hashimoto

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

2018

Detecting Absurd Conversations from Intelligent Assistant Logs by Exploiting User Feedback Utterances.

Chikara Hashimoto, Manabu Sassano

Proceedings of the 2018 World Wide Web Conference on World Wide Web, 2018

2017

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

Proceedings of the Thirty-First AAAI Conference on Artificial Intelligence, 2017

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

Proceedings of the COLING 2016, 2016

A Semi-Supervised Learning Approach to Why-Question Answering.

Jong-Hoon Oh, Kentaro Torisawa, Chikara Hashimoto, Ryu Iida, Masahiro Tanaka, Julien Kloetzer

Proceedings of the Thirtieth AAAI Conference on Artificial Intelligence, 2016

2015

Recognizing Complex Negation on Twitter.

Junta Mizuno, Canasai Kruengkrai, Kiyonori Ohtake, Chikara Hashimoto, Kentaro Torisawa, Julien Kloetzer, Kentaro Inui

Proceedings of the 29th Pacific Asia Conference on Language, Information and Computation, 2015

Large-Scale Acquisition of Entailment Pattern Pairs by Exploiting Transitivity.

Julien Kloetzer, Kentaro Torisawa, Chikara Hashimoto, Jong-Hoon Oh

Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing, 2015

Intra-sentential Zero Anaphora Resolution using Subject Sharing Recognition.

Ryu Iida, Kentaro Torisawa, Chikara Hashimoto, Jong-Hoon Oh, Julien Kloetzer

Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing, 2015

Generating Event Causality Hypotheses through Semantic Relations.

Chikara Hashimoto, Kentaro Torisawa, Julien Kloetzer, Jong-Hoon Oh

Proceedings of the Twenty-Ninth AAAI Conference on Artificial Intelligence, 2015

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

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

Proceedings of the COLING 2014, 2014

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

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

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

Proceedings of the Human Language Technologies: Conference of the North American Chapter of the Association of Computational Linguistics, 2013

WISDOM2013: A Large-scale Web Information Analysis System.

Masahiro Tanaka, Stijn De Saeger, Kiyonori Ohtake, Chikara Hashimoto, Makoto Hijiya, Hideaki Fujii, Kentaro Torisawa

Proceedings of the Sixth International Joint Conference on Natural Language Processing, 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

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

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

Why-Question Answering using Intra- and Inter-Sentential Causal Relations.

Jong-Hoon Oh, Kentaro Torisawa, Chikara Hashimoto, Motoki Sano, Stijn De Saeger, Kiyonori Ohtake

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

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

Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning, 2012

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

Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning, 2012

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

Proceedings of the Fifth International Joint Conference on Natural Language Processing, 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

Proceedings of the Fifth International Joint Conference on Natural Language Processing, 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

Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing, 2011

Extracting Paraphrases from Definition Sentences on the Web.

Chikara Hashimoto, Kentaro Torisawa, Stijn De Saeger, Jun'ichi Kazama, Sadao Kurohashi

Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies, 2011

2010

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

Proceedings of the 4th International Universal Communication Symposium, 2010

2009

Compilation of an idiom example database for supervised idiom identification.

Chikara Hashimoto, Daisuke Kawahara

Lang. Resour. Evaluation, 2009

Dictionary generation for less-frequent language pairs using WordNet.

István Varga, Shoichi Yokoyama, Chikara Hashimoto

Lit. Linguistic Comput., 2009

Large-Scale Verb Entailment Acquisition from the Web.

Chikara Hashimoto, Kentaro Torisawa, Kow Kuroda, Stijn De Saeger, Masaki Murata, Jun'ichi Kazama

Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing, 2009

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

A Large-Scale Web Data Collection as a Natural Language Processing Infrastructure.

Keiji Shinzato, Daisuke Kawahara, Chikara Hashimoto, Sadao Kurohashi

Proceedings of the International Conference on Language Resources and Evaluation, 2008

Parser Adaptation to Patent Domain Exploiting Case Frames.

Chikara Hashimoto, Daisuke Kawahara, Takayuki Yoshida, Hiroki Goto, Shoichi Yokoyama

Proceedings of the ISUC 2008, 2008

TSUBAKI: An Open Search Engine Infrastructure for Developing New Information Access Methodology.

Keiji Shinzato, Tomohide Shibata, Daisuke Kawahara, Chikara Hashimoto, Sadao Kurohashi

Proceedings of the Third International Joint Conference on Natural Language Processing, 2008

Construction of an Idiom Corpus and its Application to Idiom Identification based on WSD Incorporating Idiom-Specific Features.

Chikara Hashimoto, Daisuke Kawahara

Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing, 2008

Blog Categorization Exploiting Domain Dictionary and Dynamically Estimated Domains of Unknown Words.

Chikara Hashimoto, Sadao Kurohashi

Proceedings of the ACL 2008, 2008

2007

The Lextype DB: A Web-Based Framework for Supporting Collaborative Multilingual Grammar and Treebank Development.

Chikara Hashimoto, Francis Bond, Dan Flickinger

Proceedings of the Intercultural Collaboration, First International Workshop, 2007

Word Sense Disambiguation Incorporating Lexical and Structural Semantic Information.

Takaaki Tanaka, Francis Bond, Timothy Baldwin, Sanae Fujita, Chikara Hashimoto

Proceedings of the EMNLP-CoNLL 2007, 2007

Construction of Domain Dictionary for Fundamental Vocabulary.

Chikara Hashimoto, Sadao Kurohashi

Proceedings of the ACL 2007, 2007

2006

Detecting Japanese idioms with a linguistically rich dictionary.

Chikara Hashimoto, Satoshi Sato, Takehito Utsuro

Lang. Resour. Evaluation, 2006

Japanese Idiom Recognition: Drawing a Line between Literal and Idiomatic Meanings.

Chikara Hashimoto, Satoshi Sato, Takehito Utsuro

Proceedings of the ACL 2006, 2006

2005

Integration of a Lexical Type Database with a Linguistically Interpreted Corpus.

Chikara Hashimoto, Francis Bond, Takaaki Tanaka, Melanie Siegel

Proceedings of the Sixth International Workshop on Linguistically Interpreted Corpora, 2005

2004

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

Proceedings of the Natural Language Processing, 2004