Search Results for author: Akihiko Kato

Found 8 papers, 2 papers with code

Cross-lingual Transfer or Machine Translation? On Data Augmentation for Monolingual Semantic Textual Similarity

no code implementations8 Mar 2024 Sho Hoshino, Akihiko Kato, Soichiro Murakami, Peinan Zhang

Rather, we find a superiority of the Wikipedia domain over the NLI domain for these languages, in contrast to prior studies that focused on NLI as training data.

Cross-Lingual Transfer Data Augmentation +7

CAMERA: A Multimodal Dataset and Benchmark for Ad Text Generation

1 code implementation21 Sep 2023 Masato Mita, Soichiro Murakami, Akihiko Kato, Peinan Zhang

In response to the limitations of manual online ad production, significant research has been conducted in the field of automatic ad text generation (ATG).

Language Modelling Text Generation

Improved Decomposition Strategy for Joint Entity and Relation Extraction

no code implementations Journal of Natural Language Processing 2021 Van-Hien Tran, Van-Thuy Phi, Akihiko Kato, Hiroyuki Shindo, Taro Watanabe, Yuji Matsumoto

A recent study (Yu et al. 2020) proposed a novel decomposition strategy that splits the task into two interrelated subtasks: detection of the head-entity (HE) and identification of the corresponding tail-entity and relation (TER) for each extracted head-entity.

Joint Entity and Relation Extraction Relation +1

Cooperating Tools for MWE Lexicon Management and Corpus Annotation

no code implementations COLING 2018 Yuji Matsumoto, Akihiko Kato, Hiroyuki Shindo, Toshio Morita

Those two tools cooperate so that the words and multi-word expressions stored in Cradle are directly referred to by ChaKi in conducting corpus annotation, and the words and expressions annotated in ChaKi can be output as a list of lexical entities that are to be stored in Cradle.

Management POS

English Multiword Expression-aware Dependency Parsing Including Named Entities

no code implementations ACL 2017 Akihiko Kato, Hiroyuki Shindo, Yuji Matsumoto

Because syntactic structures and spans of multiword expressions (MWEs) are independently annotated in many English syntactic corpora, they are generally inconsistent with respect to one another, which is harmful to the implementation of an aggregate system.

Dependency Parsing

Construction of an English Dependency Corpus incorporating Compound Function Words

no code implementations LREC 2016 Akihiko Kato, Hiroyuki Shindo, Yuji Matsumoto

Nevertheless, this method often leads to the following problem: A node derived from an MWE could have multiple heads and the whole dependency structure including MWE might be cyclic.

Constituency Parsing Dependency Parsing +2

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