Lexical Normalization

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Description from the archive archive 2025-07-28.

Benchmarks archive 2025-07-28

1 leaderboard table shown for this task, 1 with rows (a “benchmark” on this site is a table with at least one row, as on /sota), ordered by row count. “Best model” is the first row in the archive's own order at snapshot; nothing is re-ranked here and metric direction is not recorded in the archive. PwC's Trend sparklines are not in the archive, so that column is omitted.

Syntology column: samples harvested from the paper's repositories and executed on synthesized fixtures; “ran” is not a correctness claim and does not order the table. A dash means no Syntology record for that paper, not a recorded non-run. Read from the graph 2026-09-24.

Libraries

Not in the archive: the export carries no per-task library table, so there is nothing to show at snapshot 2025-07-28.

Datasets archive 2025-07-28

1 dataset whose archive record lists this task, ordered by the archive's paper count.

Subtasks archive 2025-07-28

1 subtask in the archive's task tree.

Most implemented papers archive 2025-07-28

16 shown of 16 papers with code (47 tagged with this task in all), ordered by repositories listed in the archive, not by stars (the archive holds no stars, so PwC's “Social” and “Latest” sorts cannot be reproduced). Papers without a page here are shown as plain text.

• MoNoise: Modeling Noise Using a Modular Normalization System
  10 Oct 2017 2 repositories listed
  We show that MoNoise beats the state-of-the-art on different normalization benchmarks for English and Dutch, which all define the task of normalization slightly different.
• ViSoLex: An Open-Source Repository for Vietnamese Social Media Lexical Normalization
  13 Jan 2025 1 repository listed
  ViSoLex is an open-source system designed to address the unique challenges of lexical normalization for Vietnamese social media text.
• ViLexNorm: A Lexical Normalization Corpus for Vietnamese Social Media Text
  29 Jan 2024 1 repository listed
  In this work, we introduce Vietnamese Lexical Normalization (ViLexNorm), the first-ever corpus developed for the Vietnamese lexical normalization task.
• Automatic Textual Normalization for Hate Speech Detection
  12 Nov 2023 1 repository listed
  Our dataset is accessible for research purposes.
• Increasing Robustness for Cross-domain Dialogue Act Classification on Social Media Data
  1 Oct 2022 1 repository listed
  Automatically detecting the intent of an utterance is important for various downstream natural language processing tasks.
• MultiLexNorm: A Shared Task on Multilingual Lexical Normalization
  1 Nov 2021 1 repository listed
  This task is beneficial for downstream analysis, as it provides a way to harmonize (often spontaneous) linguistic variation.
• ÚFAL at MultiLexNorm 2021: Improving Multilingual Lexical Normalization by Fine-tuning ByT5
  28 Oct 2021 1 repository listed
  We present the winning entry to the Multilingual Lexical Normalization (MultiLexNorm) shared task at W-NUT 2021 (van der Goot et al., 2021a), which evaluates lexical-normalization systems on 12 social media datasets in…
• DaN+: Danish Nested Named Entities and Lexical Normalization
  24 May 2021 1 repository listed
  We examine language-specific versus multilingual BERT, and study the effect of lexical normalization on NER.
• User-Generated Text Corpus for Evaluating Japanese Morphological Analysis and Lexical Normalization
  8 Apr 2021 1 repository listed
  Morphological analysis (MA) and lexical normalization (LN) are both important tasks for Japanese user-generated text (UGT).
• Lexical Normalization for Code-switched Data and its Effect on POS Tagging
  1 Apr 2021 1 repository listed
  Lexical normalization, the translation of non-canonical data to standard language, has shown to improve the performance of many natural language processing tasks on social media.
• A Clustering Framework for Lexical Normalization of Roman Urdu
  31 Mar 2020 1 repository listed
  Roman Urdu is an informal form of the Urdu language written in Roman script, which is widely used in South Asia for online textual content.
• Adapting Deep Learning for Sentiment Classification of Code-Switched Informal Short Text
  4 Jan 2020 1 repository listed
  Such informal and code-switched content are under-resourced in terms of labeled datasets and language models even for popular tasks like sentiment classification.
• A Multi-cascaded Deep Model for Bilingual SMS Classification
  29 Nov 2019 1 repository listed
  Our model achieves high accuracy for classification on this dataset and outperforms the previous model for multilingual text classification, highlighting language independence of McM.
• MoNoise: A Multi-lingual and Easy-to-use Lexical Normalization Tool
  1 Jul 2019 1 repository listed
  In this paper, we introduce and demonstrate the online demo as well as the command line interface of a lexical normalization system (MoNoise) for a variety of languages.
• Adapting Sequence to Sequence models for Text Normalization in Social Media
  12 Apr 2019 1 repository listed
  Social media offer an abundant source of valuable raw data, however informal writing can quickly become a bottleneck for many natural language processing (NLP) tasks.
• Modeling Input Uncertainty in Neural Network Dependency Parsing
  1 Oct 2018 1 repository listed
  Recently introduced neural network parsers allow for new approaches to circumvent data sparsity issues by modeling character level information and by exploiting raw data in a semi-supervised setting.