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Hideki Tanaka

7 accepted papers

2025

PrahokBART: A Pre-trained Sequence-to-Sequence Model for Khmer Natural Language Generation

COLING 2025main

This work introduces PrahokBART, a compact pre-trained sequence-to-sequence model trained from scratch for Khmer using carefully curated Khmer and English corpora. We focus on improving the pre-training corpus quality and addressing the linguistic issues of Khmer, which are ignored in existing multi…

2025

Registering Source Tokens to Target Language Spaces in Multilingual Neural Machine Translation

ACL 2025long

The multilingual neural machine translation (MNMT) aims for arbitrary translations across multiple languages.Although MNMT-specific models trained on parallel data offer low costs in training and deployment, their performance consistently lags behind that of large language models (LLMs).In this work…

2025

TikZero: Zero-Shot Text-Guided Graphics Program Synthesis

ICCV 2025poster

Automatically synthesizing figures from text captions is a compelling capability. However, achieving high geometric precision and editability requires representing figures as graphics programs in languages like TikZ, and aligned training data (i.e., graphics programs with captions) remains scarce. M…

2024

Centroid-Based Efficient Minimum Bayes Risk Decoding

ACL 2024findings

Minimum Bayes risk (MBR) decoding achieved state-of-the-art translation performance by using COMET, a neural metric that has a high correlation with human evaluation.However, MBR decoding requires quadratic time since it computes the expected score between a translation hypothesis and all reference…

2024

NGLUEni: Benchmarking and Adapting Pretrained Language Models for Nguni Languages

COLING 2024main

The Nguni languages have over 20 million home language speakers in South Africa. There has been considerable growth in the datasets for Nguni languages, but so far no analysis of the performance of NLP models for these languages has been reported across languages and tasks. In this paper we study pr…

Cited by 1SourcePDFScholar
2023

Subset Retrieval Nearest Neighbor Machine Translation

ACL 2023long

k-nearest-neighbor machine translation (kNN-MT) (Khandelwal et al., 2021) boosts the translation performance of trained neural machine translation (NMT) models by incorporating example-search into the decoding algorithm. However, decoding is seriously time-consuming, i.e., roughly 100 to 1,000 times…

Cited by 18SourcePDFScholar
2022

FeatureBART: Feature Based Sequence-to-Sequence Pre-Training for Low-Resource NMT

COLING 2022main

In this paper we present FeatureBART, a linguistically motivated sequence-to-sequence monolingual pre-training strategy in which syntactic features such as lemma, part-of-speech and dependency labels are incorporated into the span prediction based pre-training framework (BART). These automatically e…

Cited by 5SourcePDFScholar