Comprehensive Evaluation on Lexical Normalization: Boundary-Aware Approaches for Unsegmented Languages

Fuente: arXiv
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Main Authors: Higashiyama, Shohei, Utiyama, Masao
Format: Preprint
Published: 2025
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author Higashiyama, Shohei
Utiyama, Masao
author_facet Higashiyama, Shohei
Utiyama, Masao
contents Lexical normalization research has sought to tackle the challenge of processing informal expressions in user-generated text, yet the absence of comprehensive evaluations leaves it unclear which methods excel across multiple perspectives. Focusing on unsegmented languages, we make three key contributions: (1) creating a large-scale, multi-domain Japanese normalization dataset, (2) developing normalization methods based on state-of-the-art pretrained models, and (3) conducting experiments across multiple evaluation perspectives. Our experiments show that both encoder-only and decoder-only approaches achieve promising results in both accuracy and efficiency.
format Preprint
id arxiv_https___arxiv_org_abs_2505_22273
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Comprehensive Evaluation on Lexical Normalization: Boundary-Aware Approaches for Unsegmented Languages
Higashiyama, Shohei
Utiyama, Masao
Computation and Language
Lexical normalization research has sought to tackle the challenge of processing informal expressions in user-generated text, yet the absence of comprehensive evaluations leaves it unclear which methods excel across multiple perspectives. Focusing on unsegmented languages, we make three key contributions: (1) creating a large-scale, multi-domain Japanese normalization dataset, (2) developing normalization methods based on state-of-the-art pretrained models, and (3) conducting experiments across multiple evaluation perspectives. Our experiments show that both encoder-only and decoder-only approaches achieve promising results in both accuracy and efficiency.
title Comprehensive Evaluation on Lexical Normalization: Boundary-Aware Approaches for Unsegmented Languages
topic Computation and Language
url https://arxiv.org/abs/2505.22273