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Data augmentation techniques are widely used for enhancing the performance of machine learning models by tackling class imbalance issues and data sparsity. State-of-the-art generative language models have been shown to provide significant…

Computation and Language · Computer Science 2023-01-10 Aleksandra Edwards , Asahi Ushio , Jose Camacho-Collados , Hélène de Ribaupierre , Alun Preece

Controllable text generation systems often leverage control codes to direct various properties of the output like style and length. Inspired by recent work on causal inference for NLP, this paper reveals a previously overlooked flaw in…

Computation and Language · Computer Science 2022-10-10 Junyi Chai , Reid Pryzant , Victor Ye Dong , Konstantin Golobokov , Chenguang Zhu , Yi Liu

To ensure that text generated by large language models (LLMs) is in an expected format, constrained decoding proposes to enforce strict formal language constraints during generation. However, as we show in this work, not only do such…

Machine Learning · Computer Science 2024-03-13 Luca Beurer-Kellner , Marc Fischer , Martin Vechev

Large language models generate fluent texts and can follow natural language instructions to solve a wide range of tasks without task-specific training. Nevertheless, it is notoriously difficult to control their generation to satisfy the…

Computation and Language · Computer Science 2023-06-09 Wangchunshu Zhou , Yuchen Eleanor Jiang , Ethan Wilcox , Ryan Cotterell , Mrinmaya Sachan

Synthetic data augmentation helps language models learn new knowledge in data-constrained domains. However, naively scaling existing synthetic data methods by training on more synthetic tokens or using stronger generators yields diminishing…

Machine Learning · Computer Science 2026-03-31 Seungju Han , Konwoo Kim , Chanwoo Park , Benjamin Newman , Suhas Kotha , Jaehun Jung , James Zou , Yejin Choi

In the process of code generation, it is essential to guarantee the generated code satisfies grammar constraints of programming language (PL). However, neglecting grammar constraints is a fatal drawback of commonly used sequence-based code…

Software Engineering · Computer Science 2023-01-18 Yihong Dong , Xue Jiang , Yuchen Liu , Ge Li , Zhi Jin

Deep research has revolutionized data analysis, yet data scientists still devote substantial time to manually crafting visualizations, highlighting the need for robust automation from natural language queries. However, current systems…

Artificial Intelligence · Computer Science 2025-10-06 Zichen Chen , Jiefeng Chen , Sercan Ö. Arik , Misha Sra , Tomas Pfister , Jinsung Yoon

In practice, it is common to find oneself with far too little text data to train a deep neural network. This "Big Data Wall" represents a challenge for minority language communities on the Internet, organizations, laboratories and companies…

Computation and Language · Computer Science 2018-12-13 Claude Coulombe

In recent years, language models (LMs) have made remarkable progress in advancing the field of natural language processing (NLP). However, the impact of data augmentation (DA) techniques on the fine-tuning (FT) performance of these LMs has…

Computation and Language · Computer Science 2023-06-14 Zhengxiang Shi , Aldo Lipani

In low resource settings, data augmentation strategies are commonly leveraged to improve performance. Numerous approaches have attempted document-level augmentation (e.g., text classification), but few studies have explored token-level…

Computation and Language · Computer Science 2022-10-04 Arie Pratama Sutiono , Gus Hahn-Powell

Training next-generation code generation models requires high-quality datasets, yet existing datasets face difficulty imbalance, format inconsistency, and data quality problems. We address these challenges through systematic data processing…

Computation and Language · Computer Science 2026-03-10 Zongqian Li , Tengchao Lv , Shaohan Huang , Yixuan Su , Qinzheng Sun , Qiufeng Yin , Ying Xin , Scarlett Li , Lei Cui , Nigel Collier , Furu Wei

Generative models have achieved remarkable success in image, video, and text domains. Inspired by this, researchers have explored utilizing generative models to generate neural network parameters. However, these efforts have been limited by…

Artificial Intelligence · Computer Science 2024-08-05 Xiaolong Jin , Kai Wang , Dongwen Tang , Wangbo Zhao , Yukun Zhou , Junshu Tang , Yang You

Retrieval-Augmented Generation (RAG) enhances coding tasks by incorporating retrieved code examples into prompts. However, lengthy prompts, often exceeding tens of thousands of tokens, introduce challenges related to limited context windows…

Software Engineering · Computer Science 2026-04-13 Pengfei He , Shaowei Wang , Tse-Hsun Chen

Data augmentation is essential when applying Machine Learning in small-data regimes. It generates new samples following the observed data distribution while increasing their diversity and variability to help researchers and practitioners…

Machine Learning · Computer Science 2023-04-10 Audrey Poinsot , Alessandro Leite

Existing dialogue data augmentation (DA) techniques predominantly focus on augmenting utterance-level dialogues, which makes it difficult to take dialogue contextual information into account. The advent of large language models (LLMs) has…

Computation and Language · Computer Science 2024-06-25 Jiyue Jiang , Liheng Chen , Sheng Wang , Lingpeng Kong , Yu Li , Chuan Wu

Low-Rank Adaptation (LoRA) is a crucial method for efficiently fine-tuning large language models (LLMs), with its effectiveness influenced by two key factors: rank selection and weight initialization. While numerous LoRA variants have been…

Machine Learning · Computer Science 2025-10-27 Haonan He , Peng Ye , Yuchen Ren , Yuan Yuan , Luyang Zhou , Shucun Ju , Lei Chen

Generative models excel in creating realistic images, yet their dependency on extensive datasets for training presents significant challenges, especially in domains where data collection is costly or challenging. Current data-efficient…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yuta Mimura

With the ascent of large language models (LLM), natural language processing has witnessed enhancements, such as LLM-based data augmentation. Nonetheless, prior research harbors two primary concerns: firstly, a lack of contemplation…

Computation and Language · Computer Science 2024-07-02 Zhenhua Wang , Guang Xu , Ming Ren

The capacity of Large Language Models (LLMs) to follow complex instructions and generate factually accurate text is critical for their real-world application. However, standard decoding methods often fail to robustly satisfy these…

Agents that can autonomously navigate the web through a graphical user interface (GUI) using a unified action space (e.g., mouse and keyboard actions) can require very large amounts of domain-specific expert demonstrations to achieve good…

Artificial Intelligence · Computer Science 2025-04-25 Lynn Cherif , Flemming Kondrup , David Venuto , Ankit Anand , Doina Precup , Khimya Khetarpal