中文
相关论文

相关论文: FeatAug: Automatic Feature Augmentation From One-t…

200 篇论文

We describe FactorBase, a new SQL-based framework that leverages a relational database management system to support multi-relational model discovery. A multi-relational statistical model provides an integrated analysis of the heterogeneous…

数据库 · 计算机科学 2015-08-12 Oliver Schulte , Zhensong Qian

The emergence of generative pre-trained models has facilitated the synthesis of high-quality text, but it has also posed challenges in identifying factual errors in the generated text. In particular: (1) A wider range of tasks now face an…

计算与语言 · 计算机科学 2023-07-27 I-Chun Chern , Steffi Chern , Shiqi Chen , Weizhe Yuan , Kehua Feng , Chunting Zhou , Junxian He , Graham Neubig , Pengfei Liu

Fact verification datasets are typically constructed using crowdsourcing techniques due to the lack of text sources with veracity labels. However, the crowdsourcing process often produces undesired biases in data that cause models to learn…

计算与语言 · 计算机科学 2021-10-01 Minwoo Lee , Seungpil Won , Juae Kim , Hwanhee Lee , Cheoneum Park , Kyomin Jung

Extractive reading comprehension systems are designed to locate the correct answer to a question within a given text. However, a persistent challenge lies in ensuring these models maintain high accuracy in answering questions while reliably…

计算与语言 · 计算机科学 2025-04-09 Qian-Wen Zhang , Fang Li , Jie Wang , Lingfeng Qiao , Yifei Yu , Di Yin , Xing Sun

Retrieval-Augmented Generation (RAG) enhances Large Language Models (LLMs) by grounding responses in external knowledge during inference. However, conventiona RAG systems under-perform on structured tabular data, largely due to coarse…

计算与语言 · 计算机科学 2026-05-05 Zebin Guo , Weidong Geng , Ruichen Mao

Fine-tuning large language models (LLMs) for specific domain tasks has achieved great success in Text-to-SQL tasks. However, these fine-tuned models often face challenges with multi-turn Text-to-SQL tasks caused by ambiguous or unanswerable…

人工智能 · 计算机科学 2024-11-12 Yinggang Sun , Ziming Guo , Haining Yu , Chuanyi Liu , Xiang Li , Bingxuan Wang , Xiangzhan Yu , Tiancheng Zhao

Fine-tuning tabular foundation models (TFMs) under data scarcity is challenging, as early stopping on even scarcer validation data often fails to capture true generalization performance. We propose CausalMixFT, a method that enhances…

机器学习 · 计算机科学 2026-01-22 Magnus Bühler , Lennart Purucker , Frank Hutter

Due to the constraints on model performance imposed by the size of the training data, data augmentation has become an essential technique in deep learning. However, most existing data augmentation methods are affected by information loss…

计算机视觉与模式识别 · 计算机科学 2025-09-08 Yuexing Han , Gan Hu , Guanxin Wan , Bing Wang

Retrieval Augmented Generation (RAG) has become prevalent in question-answering (QA) tasks due to its ability of utilizing search engine to enhance the quality of long-form question-answering (LFQA). Despite the emergence of various open…

计算与语言 · 计算机科学 2024-07-02 Tianchi Cai , Zhiwen Tan , Xierui Song , Tao Sun , Jiyan Jiang , Yunqi Xu , Yinger Zhang , Jinjie Gu

While fine-tuned large language models (LLMs) excel in generating grammatically valid SQL in Text-to-SQL parsing, they often struggle to ensure semantic accuracy in queries, leading to user confusion and diminished system usability. To…

计算与语言 · 计算机科学 2025-05-20 Jipeng Cen , Jiaxin Liu , Zhixu Li , Jingjing Wang

Few-shot learning (FSL) challenges model generalization to novel classes based on just a few shots of labeled examples, a testbed where traditional test-time augmentations fail to be effective. We introduce 1S-DAug, a one-shot generative…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Yunwei Bai , Ying Kiat Tan , Yao Shu , Tsuhan Chen

Language Models (LMs) memorize a vast amount of factual knowledge, exhibiting strong performance across diverse tasks and domains. However, it has been observed that the performance diminishes when dealing with less-popular or low-frequency…

计算与语言 · 计算机科学 2024-12-03 Heydar Soudani , Evangelos Kanoulas , Faegheh Hasibi

Retrieval-augmented generation (RAG) systems have been shown to be effective in addressing many of the drawbacks of relying solely on the parametric memory of large language models. Recent work has demonstrated that RAG systems can be…

Recent advances in large language models have revolutionized many sectors, including the database industry. One common challenge when dealing with large volumes of tabular data is the pervasive use of abbreviated column names, which can…

计算与语言 · 计算机科学 2023-10-23 Jiani Zhang , Zhengyuan Shen , Balasubramaniam Srinivasan , Shen Wang , Huzefa Rangwala , George Karypis

Existing table question answering datasets contain abundant factual questions that primarily evaluate the query and schema comprehension capability of a system, but they fail to include questions that require complex reasoning and…

Optimization of image transformation functions for the purpose of data augmentation has been intensively studied. In particular, adversarial data augmentation strategies, which search augmentation maximizing task loss, show significant…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Teppei Suzuki

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…

计算机视觉与模式识别 · 计算机科学 2023-11-06 Yanbiao Ma , Licheng Jiao , Fang Liu , Shuyuan Yang , Xu Liu , Puhua Chen

Existing approaches to constructing training data for Natural Language Inference (NLI) tasks, such as for semi-structured table reasoning, are either via crowdsourcing or fully automatic methods. However, the former is expensive and…

计算与语言 · 计算机科学 2022-10-25 Dibyakanti Kumar , Vivek Gupta , Soumya Sharma , Shuo Zhang

Feature engineering remains a critical yet challenging bottleneck in machine learning, particularly for tabular data, as identifying optimal features from an exponentially large feature space traditionally demands substantial domain…

机器学习 · 计算机科学 2026-02-20 Keith Burghardt , Jienan Liu , Sadman Sakib , Yuning Hao , Bo Li

This paper introduces Ali-AUG, a novel single-step diffusion model for efficient labeled data augmentation in industrial applications. Our method addresses the challenge of limited labeled data by generating synthetic, labeled images with…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Ali Hamza , Aizea Lojo , Adrian Núñez-Marcos , Aitziber Atutxa