activity
20222026
most citedUSB: A Unified Semi-supervised Learning Benchmark for Classification

42 citations · 56 across the 23 of their papers we have counts for

collaborators

23 papers

cs.CL2026

Rubric-Aligned Disentangled Evaluation of Human Simultaneous Interpreting

Ziyu Zhang, Satoshi Nakamura

Human simultaneous interpreting (SI) is commonly assessed with analytic rubrics separating meaning transfer, delivery quality, and temporal synchrony, yet no automatic metric is de…

cs.CL2024

Word Order in English-Japanese Simultaneous Interpretation: Analyses and Evaluation using Chunk-wise Monotonic Translation

Kosuke Doi, Yuka Ko, Mana Makinae +2

This paper analyzes the features of monotonic translations, which follow the word order of the source language, in simultaneous interpreting (SI). Word order differences are one of…

cs.CL2024

An Automatic Quality Metric for Evaluating Simultaneous Interpretation

Mana Makinae, Katsuhito Sudoh, Masaru Yamada +1

Simultaneous interpretation (SI), the translation of one language to another in real time, starts translation before the original speech has finished. Its evaluation needs to consi…

cs.CL2024

LLMs Are Zero-Shot Context-Aware Simultaneous Translators

Roman Koshkin, Katsuhito Sudoh, Satoshi Nakamura

The advent of transformers has fueled progress in machine translation. More recently large language models (LLMs) have come to the spotlight thanks to their generality and strong p…

cs.CL2024★ 2 cited

Automated Essay Scoring Using Grammatical Variety and Errors with Multi-Task Learning and Item Response Theory

Kosuke Doi, Katsuhito Sudoh, Satoshi Nakamura

This study examines the effect of grammatical features in automatic essay scoring (AES). We use two kinds of grammatical features as input to an AES model: (1) grammatical items th…

cs.CL2024

TransLLaMa: LLM-based Simultaneous Translation System

Roman Koshkin, Katsuhito Sudoh, Satoshi Nakamura

Decoder-only large language models (LLMs) have recently demonstrated impressive capabilities in text generation and reasoning. Nonetheless, they have limited applications in simult…

cs.CL2023

Average Token Delay: A Duration-aware Latency Metric for Simultaneous Translation

Yasumasa Kano, Katsuhito Sudoh, Satoshi Nakamura

Simultaneous translation is a task in which the translation begins before the end of an input speech segment. Its evaluation should be conducted based on latency in addition to qua…

cs.CL2023

Tagged End-to-End Simultaneous Speech Translation Training using Simultaneous Interpretation Data

Yuka Ko, Ryo Fukuda, Yuta Nishikawa +3

Simultaneous speech translation (SimulST) translates partial speech inputs incrementally. Although the monotonic correspondence between input and output is preferable for smaller l…

cs.CL2023

Inter-connection: Effective Connection between Pre-trained Encoder and Decoder for Speech Translation

Yuta Nishikawa, Satoshi Nakamura

In end-to-end speech translation, speech and text pre-trained models improve translation quality. Recently proposed models simply connect the pre-trained models of speech and text…

eess.AS2023★ 4 cited

Improving Speech Translation Accuracy and Time Efficiency with Fine-tuned wav2vec 2.0-based Speech Segmentation

Ryo Fukuda, Katsuhito Sudoh, Satoshi Nakamura

Speech translation (ST) automatically converts utterances in a source language into text in another language. Splitting continuous speech into shorter segments, known as speech seg…

cs.CL2023★ 2 cited

NAIST-SIC-Aligned: an Aligned English-Japanese Simultaneous Interpretation Corpus

Jinming Zhao, Yuka Ko, Kosuke Doi +3

It remains a question that how simultaneous interpretation (SI) data affects simultaneous machine translation (SiMT). Research has been limited due to the lack of a large-scale tra…

cs.CL2023★ 2 cited

Modeling Multiple User Interests using Hierarchical Knowledge for Conversational Recommender System

Yuka Okuda, Katsuhito Sudoh, Seitaro Shinagawa +1

A conversational recommender system (CRS) is a practical application for item recommendation through natural language conversation. Such a system estimates user interests for appro…

cs.CL2023

Evaluating the Robustness of Discrete Prompts

Yoichi Ishibashi, Danushka Bollegala, Katsuhito Sudoh +1

Discrete prompts have been used for fine-tuning Pre-trained Language Models for diverse NLP tasks. In particular, automatic methods that generate discrete prompts from a small set…

cs.CL2023★ 1 cited

Whats New? Identifying the Unfolding of New Events in Narratives

Seyed Mahed Mousavi, Shohei Tanaka, Gabriel Roccabruna +3

Narratives include a rich source of events unfolding over time and context. Automatic understanding of these events provides a summarised comprehension of the narrative for further…

cs.CL2023★ 2 cited

SpeeChain: A Speech Toolkit for Large-Scale Machine Speech Chain

Heli Qi, Sashi Novitasari, Andros Tjandra +2

This paper introduces SpeeChain, an open-source Pytorch-based toolkit designed to develop the machine speech chain for large-scale use. This first release focuses on the TTS-to-ASR…

cs.CL2022

Average Token Delay: A Latency Metric for Simultaneous Translation

Yasumasa Kano, Katsuhito Sudoh, Satoshi Nakamura

Simultaneous translation is a task in which translation begins before the speaker has finished speaking. In its evaluation, we have to consider the latency of the translation in ad…

cs.CL2022

E2E Refined Dataset

Keisuke Toyama, Katsuhito Sudoh, Satoshi Nakamura

Although the well-known MR-to-text E2E dataset has been used by many researchers, its MR-text pairs include many deletion/insertion/substitution errors. Since such errors affect th…

cs.CL2022

Subspace Representations for Soft Set Operations and Sentence Similarities

Yoichi Ishibashi, Sho Yokoi, Katsuhito Sudoh +1

In the field of natural language processing (NLP), continuous vector representations are crucial for capturing the semantic meanings of individual words. Yet, when it comes to the…

cs.LG2022★ 42 cited

USB: A Unified Semi-supervised Learning Benchmark for Classification

Yidong Wang, Hao Chen, Yue Fan +19

Semi-supervised learning (SSL) improves model generalization by leveraging massive unlabeled data to augment limited labeled samples. However, currently, popular SSL evaluation pro…

cs.CL2022

Improved Consistency Training for Semi-Supervised Sequence-to-Sequence ASR via Speech Chain Reconstruction and Self-Transcribing

Heli Qi, Sashi Novitasari, Sakriani Sakti +1

Consistency regularization has recently been applied to semi-supervised sequence-to-sequence (S2S) automatic speech recognition (ASR). This principle encourages an ASR model to out…

cs.SD2022★ 1 cited

Applying Syntax$\unicode{x2013}$Prosody Mapping Hypothesis and Prosodic Well-Formedness Constraints to Neural Sequence-to-Sequence Speech Synthesis

Kei Furukawa, Takeshi Kishiyama, Satoshi Nakamura

End-to-end text-to-speech synthesis (TTS), which generates speech sounds directly from strings of texts or phonemes, has improved the quality of speech synthesis over the conventio…

cs.CL2022

Representing 'how you say' with 'what you say': English corpus of focused speech and text reflecting corresponding implications

Naoaki Suzuki, Satoshi Nakamura

In speech communication, how something is said (paralinguistic information) is as crucial as what is said (linguistic information). As a type of paralinguistic information, English…

cs.CL2022

Speech Segmentation Optimization using Segmented Bilingual Speech Corpus for End-to-end Speech Translation

Ryo Fukuda, Katsuhito Sudoh, Satoshi Nakamura

Speech segmentation, which splits long speech into short segments, is essential for speech translation (ST). Popular VAD tools like WebRTC VAD have generally relied on pause-based…