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Tabular data sets with varying missing values are prepared for machine learning using an arbitrary imputation strategy. Synthetic values generated by imputation models often raise concerns regarding data quality and the reliability of…

Machine Learning · Computer Science 2026-01-28 Manar D. Samad , Kazi Fuad B. Akhter , Shourav B. Rabbani , Ibna Kowsar

In the context of the long-tail scenario, models exhibit a strong demand for high-quality data. Data-centric approaches aim to enhance both the quantity and quality of data to improve model performance. Among these approaches, information…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Yanbiao Ma , Licheng Jiao , Fang Liu , Shuyuan Yang , Xu Liu , Puhua Chen

Academic tabular benchmarks often contain small sets of curated features. In contrast, data scientists typically collect as many features as possible into their datasets, and even engineer new features from existing ones. To prevent…

In this paper, we propose a novel feature weighting method to address the limitation of existing feature processing methods for tabular data. Typically the existing methods assume equal importance across all samples and features in one…

Machine Learning · Computer Science 2024-05-20 Xinhao Zhang , Zaitian Wang , Lu Jiang , Wanfu Gao , Pengfei Wang , Kunpeng Liu

The goal of automated feature generation is to liberate machine learning experts from the laborious task of manual feature generation, which is crucial for improving the learning performance of tabular data. The major challenge in automated…

Machine Learning · Computer Science 2023-06-06 Tianping Zhang , Zheyu Zhang , Zhiyuan Fan , Haoyan Luo , Fengyuan Liu , Qian Liu , Wei Cao , Jian Li

Until recently, the question of the effective inductive bias of deep models on tabular data has remained unanswered. This paper investigates the hypothesis that arithmetic feature interaction is necessary for deep tabular learning. To test…

Machine Learning · Computer Science 2024-03-20 Yi Cheng , Renjun Hu , Haochao Ying , Xing Shi , Jian Wu , Wei Lin

Table processing-including cleaning, transformation, augmentation, and matching-is a foundational yet error-prone stage in real-world data pipelines. While recent LLM-based approaches show promise for automating such tasks, they often…

Artificial Intelligence · Computer Science 2026-05-13 Wei Liu , Yang Gu , Xi Yan , Zihan Nan , Beicheng Xu , Keyao Ding , Bin Cui , Wentao Zhang

Deep learning (DL) models have gained prominence in domains such as computer vision and natural language processing but remain underutilized for regression tasks involving tabular data. In these cases, traditional machine learning (ML)…

Machine Learning · Computer Science 2025-01-08 Assaf Shmuel , Oren Glickman , Teddy Lazebnik

Foundation models are an emerging research direction in tabular deep learning. Notably, TabPFNv2 recently claimed superior performance over traditional GBDT-based methods on small-scale datasets using an in-context learning paradigm, which…

Machine Learning · Computer Science 2025-06-12 Ivan Rubachev , Akim Kotelnikov , Nikolay Kartashev , Artem Babenko

Feature Transformation is crucial for classic machine learning that aims to generate feature combinations to enhance the performance of downstream tasks from a data-centric perspective. Current methodologies, such as manual expert-driven…

Machine Learning · Computer Science 2025-03-27 Tianqi He , Xiaohan Huang , Yi Du , Qingqing Long , Ziyue Qiao , Min Wu , Yanjie Fu , Yuanchun Zhou , Meng Xiao

Recent advances with in-memory columnar database techniques have increased the performance of analytical queries on very large databases and data warehouses. At the same time, advances in artificial intelligence (AI) algorithms have…

Databases · Computer Science 2017-12-11 Brad Carlile , Akiko Marti , Guy Delamarter

Feature importance ranking has become a powerful tool for explainable AI. However, its nature of combinatorial optimization poses a great challenge for deep learning. In this paper, we propose a novel dual-net architecture consisting of…

Machine Learning · Computer Science 2020-10-20 Maksymilian Wojtas , Ke Chen

Large language models (LLMs) are increasingly used to automate feature engineering in tabular learning. Given task-specific information, LLMs can propose diverse feature transformation operations to enhance downstream model performance.…

Machine Learning · Computer Science 2026-01-30 Zhuoyan Li , Aditya Bansal , Jinzhao Li , Shishuang He , Zhuoran Lu , Mutian Zhang , Qin Liu , Yiwei Yang , Swati Jain , Ming Yin , Yunyao Li

Tabular data is a fundamental form of data structure. The evolution of table analysis tools reflects humanity's continuous progress in data acquisition, management, and processing. The dynamic changes in table columns arise from…

Artificial Intelligence · Computer Science 2026-01-28 Xinda Chen , Zhen Xing , Hanyu Zhang , Weimin Tan , Bo Yan

Automated feature generation extracts informative features from raw tabular data without manual intervention and is crucial for accurate, generalizable machine learning. Traditional methods rely on predefined operator libraries and cannot…

Artificial Intelligence · Computer Science 2026-04-23 Fengxian Dong , Zhi Zheng , Xiao Han , Wei Chen , Jingqing Ruan , Tong Xu , Yong Chen , Enhong Chen

In tabular biomedical data analysis, tuning models to high accuracy is considered a prerequisite for discussing feature importance, as medical practitioners expect the validity of feature importance to correlate with performance. In this…

Machine Learning · Statistics 2025-10-20 Youngro Lee , Giacomo Baruzzo , Jeonghwan Kim , Jongmo Seo , Barbara Di Camillo

Research in adversarial learning has primarily focused on homogeneous unstructured datasets, which often map into the problem space naturally. Inverting a feature space attack on heterogeneous datasets into the problem space is much more…

Feature selection has drawn much attention over the last decades in machine learning because it can reduce data dimensionality while maintaining the original physical meaning of features, which enables better interpretability than feature…

Machine Learning · Computer Science 2022-09-27 Yiwen Liao , Jochen Rivoir , Raphaël Latty , Bin Yang

In this paper, we present an Adaptive Ensemble Learning framework that aims to boost the performance of deep neural networks by intelligently fusing features through ensemble learning techniques. The proposed framework integrates ensemble…

Artificial Intelligence · Computer Science 2023-04-07 Neelesh Mungoli

With advancements in Large Language Models (LLMs), a major use case that has emerged is querying databases in plain English, translating user questions into executable database queries, which has improved significantly. However, real-world…

Artificial Intelligence · Computer Science 2024-08-26 Pratyush Kumar , Kuber Vijaykumar Bellad , Bharat Vadlamudi , Aman Chadha