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Tokenization remains a fundamental yet underexplored bottleneck in natural language processing, with strategies largely static despite remarkable progress in model architectures. We present SupraTok, a novel tokenization architecture that…

Computation and Language · Computer Science 2025-08-26 Andrei-Valentin Tănase , Elena Pelican

Search has for a long time been an important tool for users to retrieve information. Syntactic search is matching documents or objects containing specific keywords like user-history, location, preference etc. to improve the results.…

Computation and Language · Computer Science 2020-02-26 Arijit Das , Diganta Saha

End-to-end automatic speech recognition (ASR) systems have made significant progress in general scenarios. However, it remains challenging to transcribe contextual named entities (NEs) in the contextual ASR scenario. Previous approaches…

Computation and Language · Computer Science 2024-05-28 Shilin Zhou , Zhenghua Li , Yu Hong , Min Zhang , Zhefeng Wang , Baoxing Huai

In this paper, we study pre-trained sequence-to-sequence models for a group of related languages, with a focus on Indic languages. We present IndicBART, a multilingual, sequence-to-sequence pre-trained model focusing on 11 Indic languages…

Computation and Language · Computer Science 2022-10-28 Raj Dabre , Himani Shrotriya , Anoop Kunchukuttan , Ratish Puduppully , Mitesh M. Khapra , Pratyush Kumar

Language models typically tokenize text into subwords, using a deterministic, hand-engineered heuristic of combining characters into longer surface-level strings such as 'ing' or whole words. Recent literature has repeatedly shown the…

Computation and Language · Computer Science 2023-10-19 Avijit Thawani , Saurabh Ghanekar , Xiaoyuan Zhu , Jay Pujara

Representing words and phrases into dense vectors of real numbers which encode semantic and syntactic properties is a vital constituent in natural language processing (NLP). The success of neural network (NN) models in NLP largely rely on…

Computation and Language · Computer Science 2021-01-01 Wazir Ali , Jay Kumar , Junyu Lu , Zenglin Xu

This study investigates the performance of three popular tokenization tools: MeCab, Sudachi, and SentencePiece, when applied as a preprocessing step for sentiment-based text classification of Japanese texts. Using Term Frequency-Inverse…

Computation and Language · Computer Science 2024-12-24 Andre Rusli , Makoto Shishido

Question Answering (QA) tasks, which involve extracting answers from a given context, are relatively straightforward for modern Large Language Models (LLMs) when the context is short. However, long contexts pose challenges due to the…

Computation and Language · Computer Science 2025-06-16 Ritwik Mishra , Rajiv Ratn Shah , Ponnurangam Kumaraguru

Tokenization and sub-tokenization based models like word2vec, BERT and the GPTs are the state-of-the-art in natural language processing. Typically, these approaches have limitations with respect to their input representation. They fail to…

Computation and Language · Computer Science 2026-02-26 Felix Schneider , Maria Gogolev , Sven Sickert , Joachim Denzler

Pipelined NLP systems have largely been superseded by end-to-end neural modeling, yet nearly all commonly-used models still require an explicit tokenization step. While recent tokenization approaches based on data-derived subword lexicons…

Computation and Language · Computer Science 2022-05-19 Jonathan H. Clark , Dan Garrette , Iulia Turc , John Wieting

In this work, we study the problem of named entity recognition (NER) in a low resource scenario, focusing on few-shot and zero-shot settings. Built upon large-scale pre-trained language models, we propose a novel NER framework, namely…

Computation and Language · Computer Science 2021-09-14 Yaqing Wang , Haoda Chu , Chao Zhang , Jing Gao

Subwords have become the standard units of text in NLP, enabling efficient open-vocabulary models. With algorithms like byte-pair encoding (BPE), subword segmentation is viewed as a preprocessing step applied to the corpus before training.…

Computation and Language · Computer Science 2022-10-14 Francois Meyer , Jan Buys

Named Entity Recognition (NER) is a sub-task of Natural Language Processing (NLP) that distinguishes entities from unorganized text into predefined categorization. In recent years, a lot of Bangla NLP subtasks have received quite a lot of…

Computation and Language · Computer Science 2024-01-31 Niloy Farhan , Saman Sarker Joy , Tafseer Binte Mannan , Farig Sadeque

Despite it being the cornerstone of BPE, the most common tokenization algorithm, the importance of compression in the tokenization process is still unclear. In this paper, we argue for the theoretical importance of compression, that can be…

Computation and Language · Computer Science 2024-06-25 Omer Goldman , Avi Caciularu , Matan Eyal , Kris Cao , Idan Szpektor , Reut Tsarfaty

For many natural language processing (NLP) tasks the amount of annotated data is limited. This urges a need to apply semi-supervised learning techniques, such as transfer learning or meta-learning. In this work we tackle Named Entity…

Computation and Language · Computer Science 2018-12-18 Alexander Fritzler , Varvara Logacheva , Maksim Kretov

Although text-to-image (T2I) models exhibit remarkable generation capabilities, they frequently fail to accurately bind semantically related objects or attributes in the input prompts; a challenge termed semantic binding. Previous…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Taihang Hu , Linxuan Li , Joost van de Weijer , Hongcheng Gao , Fahad Shahbaz Khan , Jian Yang , Ming-Ming Cheng , Kai Wang , Yaxing Wang

Few-shot named entity recognition (NER) systems recognize entities using a few labeled training examples. The general pipeline consists of a span detector to identify entity spans in text and an entity-type classifier to assign types to…

Computation and Language · Computer Science 2024-06-21 Chang Tian , Wenpeng Yin , Dan Li , Marie-Francine Moens

Subword tokenization is a key part of many NLP pipelines. However, little is known about why some tokenizer and hyperparameter combinations lead to better downstream model performance than others. We propose that good tokenizers lead to…

Computation and Language · Computer Science 2023-06-30 Vilém Zouhar , Clara Meister , Juan Luis Gastaldi , Li Du , Mrinmaya Sachan , Ryan Cotterell

Named Entity Recognition (NER) is a fundamental problem in natural language processing (NLP). However, the task of extracting longer entity spans (e.g., awards) from extended texts (e.g., homepages) is barely explored. Current NER methods…

Computation and Language · Computer Science 2025-02-12 Yelin Chen , Fanjin Zhang , Jie Tang

Transformer-based models such as BERT have significantly advanced Natural Language Processing (NLP) across many languages. However, Nepali, a low-resource language written in Devanagari script, remains relatively underexplored. This study…

Computation and Language · Computer Science 2026-03-02 Nischal Karki , Bipesh Subedi , Prakash Poudyal , Rupak Raj Ghimire , Bal Krishna Bal