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The application of large language models (LLMs) to chemistry is frequently hampered by a "tokenization bottleneck", where tokenizers tuned on general-domain text tend to fragment chemical representations such as SMILES into semantically…

计算与语言 · 计算机科学 2025-11-19 Prathamesh Kalamkar , Ned Letcher , Meissane Chami , Sahger Lad , Shayan Mohanty , Prasanna Pendse

The pursuit of leaderboard rankings in Large Language Models (LLMs) has created a fundamental paradox: models excel at standardized tests while failing to demonstrate genuine language understanding and adaptability. Our systematic analysis…

计算与语言 · 计算机科学 2024-12-06 Sourav Banerjee , Ayushi Agarwal , Eishkaran Singh

Subword regularization, used widely in NLP, improves model performance by reducing the dependency on exact tokenizations, augmenting the training corpus, and exposing the model to more unique contexts during training. BPE and MaxMatch, two…

计算与语言 · 计算机科学 2024-08-22 Marco Cognetta , Vilém Zouhar , Naoaki Okazaki

Large multilingual pretrained language models (mPLMs) have become the de facto state of the art for cross-lingual transfer in NLP. However, their large-scale deployment to many languages, besides pretraining data scarcity, is also hindered…

计算与语言 · 计算机科学 2023-04-19 Sukannya Purkayastha , Sebastian Ruder , Jonas Pfeiffer , Iryna Gurevych , Ivan Vulić

Quantization is widely used to accelerate inference and streamline the deployment of large language models (LLMs), yet its effects on self-explanations (SEs) remain unexplored. SEs, generated by LLMs to justify their own outputs, require…

计算与语言 · 计算机科学 2026-01-05 Qianli Wang , Nils Feldhus , Pepa Atanasova , Fedor Splitt , Simon Ostermann , Sebastian Möller , Vera Schmitt

Generative recommendation systems, driven by large language models (LLMs), present an innovative approach to predicting user preferences by modeling items as token sequences and generating recommendations in a generative manner. A critical…

Large language models (LLMs) have achieved impressive performance, leading to their widespread adoption as decision-support tools in resource-constrained contexts like hiring and admissions. There is, however, scientific consensus that AI…

Tokenization - the practice of converting strings of characters from an alphabet into sequences of tokens over a vocabulary - is a critical step in the NLP pipeline. The use of token representations is widely credited with increased model…

计算与语言 · 计算机科学 2025-04-04 Juan Luis Gastaldi , John Terilla , Luca Malagutti , Brian DuSell , Tim Vieira , Ryan Cotterell

Recent advancements in large language models (LLMs) have remarkably enhanced performances on a variety of tasks in multiple languages. However, tokenizers in LLMs trained primarily on English-centric corpora often overly fragment a text…

计算与语言 · 计算机科学 2024-08-07 Jimin Hong , Gibbeum Lee , Jaewoong Cho

Tokenization is the first - and often underappreciated - layer of computation in language models. While Chain-of-Thought (CoT) prompting enables transformer models to approximate recurrent computation by externalizing intermediate steps, we…

计算与语言 · 计算机科学 2025-05-21 Xiang Zhang , Juntai Cao , Jiaqi Wei , Yiwei Xu , Chenyu You

A large body of research has found substantial gender bias in NLP systems. Most of this research takes a binary, essentialist view of gender: limiting its variation to the categories _men_ and _women_, conflating gender with sex, and…

计算与语言 · 计算机科学 2025-09-25 Ruby Ostrow , Adam Lopez

Tokenization, the division of input text into input tokens, is an often overlooked aspect of the large language model (LLM) pipeline and could be the source of useful or harmful inductive biases. Historically, LLMs have relied on byte pair…

计算与语言 · 计算机科学 2024-02-26 Aaditya K. Singh , DJ Strouse

Large language models are increasingly relied upon as sources of information, but their propensity for generating false or misleading statements with high confidence poses risks for users and society. In this paper, we confront the critical…

Tokenization, a crucial initial step in natural language processing, is governed by several key parameters, such as the tokenization algorithm, vocabulary size, pre-tokenization strategy, inference strategy, and training data corpus. This…

计算与语言 · 计算机科学 2025-06-17 Varshini Reddy , Craig W. Schmidt , Yuval Pinter , Chris Tanner

Tokenization is a fundamental component of large language models (LLMs), yet its influence on model scaling and performance is not fully explored. In this paper, we introduce Over-Tokenized Transformers, a novel framework that decouples…

计算与语言 · 计算机科学 2025-05-26 Hongzhi Huang , Defa Zhu , Banggu Wu , Yutao Zeng , Ya Wang , Qiyang Min , Xun Zhou

Recent language models have shown impressive multilingual performance, even when not explicitly trained for it. Despite this, there are concerns about the quality of their outputs across different languages. In this paper, we show how…

计算与语言 · 计算机科学 2023-10-23 Aleksandar Petrov , Emanuele La Malfa , Philip H. S. Torr , Adel Bibi

With the increasing role of Natural Language Processing (NLP) in various applications, challenges concerning bias and stereotype perpetuation are accentuated, which often leads to hate speech and harm. Despite existing studies on sexism and…

计算与语言 · 计算机科学 2024-06-19 Mae Sosto , Alberto Barrón-Cedeño

Tokenization is a fundamental preprocessing step in Natural Language Processing (NLP), significantly impacting the capability of large language models (LLMs) to capture linguistic and semantic nuances. This study introduces a novel…

计算与语言 · 计算机科学 2025-08-19 M. Ali Bayram , Ali Arda Fincan , Ahmet Semih Gümüş , Sercan Karakaş , Banu Diri , Savaş Yıldırım

Handling long-context inputs is crucial for large language models (LLMs) in tasks such as extended conversations, document summarization, and many-shot in-context learning. While recent approaches have extended the context windows of LLMs…

计算与语言 · 计算机科学 2025-07-29 Lizhe Fang , Yifei Wang , Zhaoyang Liu , Chenheng Zhang , Stefanie Jegelka , Jinyang Gao , Bolin Ding , Yisen Wang

Large Language Models (LLMs) excel at generating fluent text but struggle to enforce external constraints because they generate tokens sequentially without explicit control mechanisms. GenCP addresses this limitation by combining LLM…

计算与语言 · 计算机科学 2025-06-02 Alexandre Bonlarron , Florian Régin , Elisabetta De Maria , Jean-Charles Régin