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Related papers: Data Cleaning Using Large Language Models

200 papers

A long standing goal of the data management community is to develop general, automated systems that ingest semi-structured documents and output queryable tables without human effort or domain specific customization. Given the sheer variety…

Computation and Language · Computer Science 2025-03-10 Simran Arora , Brandon Yang , Sabri Eyuboglu , Avanika Narayan , Andrew Hojel , Immanuel Trummer , Christopher Ré

While large language models (LLMs) demonstrate reasonable zero-shot capability across many downstream tasks, fine-tuning is a common practice to improve their performance. However, a task's data efficiency--i.e., the number of fine-tuning…

Machine Learning · Computer Science 2026-01-01 Gyung Hyun Je , Colin Raffel

Large Language Models (LLMs) have demonstrated remarkable capabilities in handling long texts and have almost perfect performance in traditional retrieval tasks. However, their performance significantly degrades when it comes to numerical…

Computation and Language · Computer Science 2024-12-05 Yijiong Yu

Post-training of Large Language Models (LLMs) is crucial for unlocking their task generalization potential and domain-specific capabilities. However, the current LLM post-training paradigm faces significant data challenges, including the…

Computation and Language · Computer Science 2025-10-31 Junyu Luo , Bohan Wu , Xiao Luo , Zhiping Xiao , Yiqiao Jin , Rong-Cheng Tu , Nan Yin , Yifan Wang , Jingyang Yuan , Wei Ju , Ming Zhang

The quality of the dataset is crucial for ensuring optimal performance and reliability of downstream task models. However, datasets often contain noisy data inadvertently included during the construction process. Numerous attempts have been…

Computation and Language · Computer Science 2024-09-25 Juhwan Choi , Jungmin Yun , Kyohoon Jin , YoungBin Kim

High-quality textual training data is essential for the success of multimodal data processing tasks, yet outputs from image captioning models like BLIP and GIT often contain errors and anomalies that are difficult to rectify using…

Computation and Language · Computer Science 2025-02-25 Elyas Meguellati , Nardiena Pratama , Shazia Sadiq , Gianluca Demartini

Existing approaches for Large language model (LLM) detoxification generally rely on training on large-scale non-toxic or human-annotated preference data, designing prompts to instruct the LLM to generate safe content, or modifying the model…

Computation and Language · Computer Science 2025-06-03 Yuanhe Tian , Mingjie Deng , Guoqing Jin , Yan Song

The rapid development of multilingual large language models (LLMs) highlights the need for high-quality, diverse, and well-curated multilingual datasets. In this paper, we introduce DCAD-2000 (Data Cleaning as Anomaly Detection), a…

Computation and Language · Computer Science 2025-10-27 Yingli Shen , Wen Lai , Shuo Wang , Xueren Zhang , Kangyang Luo , Alexander Fraser , Maosong Sun

Data preparation aims to denoise raw datasets, uncover cross-dataset relationships, and extract valuable insights from them, which is essential for a wide range of data-centric applications. Driven by (i) rising demands for…

Large language models (LLMs) have shown remarkable effectiveness across various domains, with data augmentation methods utilizing GPT for synthetic data generation becoming prevalent. However, the quality and utility of augmented data…

Computation and Language · Computer Science 2025-01-27 Zeao Tu , Xiangdi Meng , Yu He , Zihan Yao , Tianyu Qi , Jun Liu , Ming Li

Data curation - the process of discovering, integrating, and cleaning data - is one of the oldest, hardest, yet inevitable data management problems. Despite decades of efforts from both researchers and practitioners, it is still one of the…

Databases · Computer Science 2019-03-26 Saravanan Thirumuruganathan , Nan Tang , Mourad Ouzzani , AnHai Doan

We propose the Data Contamination Quiz (DCQ), a simple and effective approach to detect data contamination in large language models (LLMs) and estimate the amount of it. Specifically, we frame data contamination detection as a series of…

Computation and Language · Computer Science 2025-04-29 Shahriar Golchin , Mihai Surdeanu

Large language models (LLMs) still lack delicate controllability over their responses, which is critical to enhancing their performance and the user experience. However, curating supervised fine-tuning (SFT) datasets to improve LLM…

Computation and Language · Computer Science 2025-02-18 Ming Li , Han Chen , Chenguang Wang , Dang Nguyen , Dianqi Li , Tianyi Zhou

Despite the observable benefit of Natural Language Processing (NLP) in processing a large amount of textual medical data within a limited time for information retrieval, a handful of research efforts have been devoted to uncovering novel…

Computation and Language · Computer Science 2024-06-04 Md Taimur Ahad

Qualitative data analysis provides insight into the underlying perceptions and experiences within unstructured data. However, the time-consuming nature of the coding process, especially for larger datasets, calls for innovative approaches,…

Human-Computer Interaction · Computer Science 2024-03-12 Elisabeth Kirsten , Annalina Buckmann , Abraham Mhaidli , Steffen Becker

Industries such as finance, meteorology, and energy generate vast amounts of data daily. Efficiently managing, processing, and displaying this data requires specialized expertise and is often tedious and repetitive. Leveraging large…

Computation and Language · Computer Science 2025-05-20 Wenqi Zhang , Yongliang Shen , Zeqi Tan , Guiyang Hou , Weiming Lu , Yueting Zhuang

Large language models have recently demonstrated their exceptional capabilities in supporting and automating various tasks. Among the tasks worth exploring for testing large language model capabilities, we considered data preparation, a…

Computation and Language · Computer Science 2025-12-01 Matteo Spreafico , Ludovica Tassini , Camilla Sancricca , Cinzia Cappiello

The promise of data-driven materials discovery remains constrained by the scarcity of large, high-quality, and accessible experimental datasets. Here, we introduce a generalizable large language model (LLM)-powered pipeline for automated…

Materials Science · Physics 2026-04-28 Zhanzhao Li , Kengran Yang , Qiyao He , Kai Gong

Large language models (LLMs) have shown impressive performance in \emph{code} understanding and generation, making coding tasks a key focus for researchers due to their practical applications and value as a testbed for LLM evaluation. Data…

This paper aims to address the challenge of sparse and missing data in recommendation systems, a significant hurdle in the age of big data. Traditional imputation methods struggle to capture complex relationships within the data. We propose…

Information Retrieval · Computer Science 2024-08-09 Zhicheng Ding , Jiahao Tian , Zhenkai Wang , Jinman Zhao , Siyang Li