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Data management has traditionally relied on synthetic data generators to generate structured benchmarks, like the TPC suite, where we can control important parameters like data size and its distribution precisely. These benchmarks were…

数据库 · 计算机科学 2023-08-09 Koyena Pal , Aamod Khatiwada , Roee Shraga , Renée J. Miller

State-of-the-art offline handwriting text recognition systems tend to use neural networks and therefore require a large amount of annotated data to be trained. In order to partially satisfy this requirement, we propose a system based on…

计算机视觉与模式识别 · 计算机科学 2020-11-12 Eloi Alonso , Bastien Moysset , Ronaldo Messina

Knowledge Graph Embeddings (KGE) aim to map entities and relations to low dimensional spaces and have become the \textit{de-facto} standard for knowledge graph completion. Most existing KGE methods suffer from the sparsity challenge, where…

人工智能 · 计算机科学 2023-02-14 Zhaoxuan Tan , Zilong Chen , Shangbin Feng , Qingyue Zhang , Qinghua Zheng , Jundong Li , Minnan Luo

Few-shot recognition in synthetic aperture radar (SAR) imagery remains a critical bottleneck for real-world applications due to extreme data scarcity. A promising strategy involves synthesizing a large dataset with a generative adversarial…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Yikui Zhai , Shikuang Liu , Wenlve Zhou , Hongsheng Zhang , Zhiheng Zhou , Xiaolin Tian , C. L. Philip Chen

Large Language Models (LLMs) have demonstrated strong capabilities in web search and reasoning. However, their dependence on static training corpora makes them prone to factual errors and knowledge gaps. Retrieval-Augmented Generation (RAG)…

人工智能 · 计算机科学 2026-01-26 Jiasheng Xu , Mingda Li , Yongqiang Tang , Peijie Wang , Wensheng Zhang

In this work, a self-attention based conditional generative adversarial network (SA-cGAN) framework for the sixth generation (6G) semantic communication system is proposed, explicitly designed to balance the trade-off between distortion…

信号处理 · 电气工程与系统科学 2026-04-01 Faizan Shafi , Rahul Jashvantbhai Pandya , Christo Kurisummoottil Thomas , Sridhar Iyer

Agent-based models used in scenario planning for transportation and urban planning usually require detailed population information from the base as well as target scenarios. These populations are usually provided by synthesizing fake agents…

机器学习 · 计算机科学 2025-10-02 Tanay Rastogi , Daniel Jonsson

This paper focuses on the dynamic optimization of the Retrieval-Augmented Generation (RAG) architecture. It proposes a state-aware dynamic knowledge retrieval mechanism to enhance semantic understanding and knowledge scheduling efficiency…

计算与语言 · 计算机科学 2025-04-29 Jacky He , Guiran Liu , Binrong Zhu , Hanlu Zhang , Hongye Zheng , Xiaokai Wang

Emojis have become a very popular part of daily digital communication. Their appeal comes largely in part due to their ability to capture and elicit emotions in a more subtle and nuanced way than just plain text is able to. In line with…

计算机视觉与模式识别 · 计算机科学 2017-12-18 Dianna Radpour , Vivek Bheda

Nowadays, data augmentation through synthetic data has been widely used in the field of Grammatical Error Correction (GEC) to alleviate the problem of data scarcity. However, these synthetic data are mainly used in the pre-training phase…

计算与语言 · 计算机科学 2024-06-26 Yixuan Wang , Baoxin Wang , Yijun Liu , Qingfu Zhu , Dayong Wu , Wanxiang Che

Controller synthesis is a formal method approach for automatically generating Labeled Transition System (LTS) controllers that satisfy specified properties. The efficiency of the synthesis process, however, is critically dependent on…

人工智能 · 计算机科学 2025-12-18 Toshihide Ubukata , Enhong Mu , Takuto Yamauchi , Mingyue Zhang , Jialong Li , Kenji Tei

Synthesizing high-quality realistic images from text descriptions is a challenging task. Existing text-to-image Generative Adversarial Networks generally employ a stacked architecture as the backbone yet still remain three flaws. First, the…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Ming Tao , Hao Tang , Fei Wu , Xiao-Yuan Jing , Bing-Kun Bao , Changsheng Xu

We introduce causal-temporal event graphs (CTEGs) as a formal model for fully resolved recursive agent execution records under single-parenthood causal semantics. We formalise direct event emissions and recursive subagent invocations as…

计算机科学中的逻辑 · 计算机科学 2026-04-21 Simon Foldvik

Despite rapid advancements in large language models (LLMs), QG remains a challenging problem due to its complicated process, open-ended nature, and the diverse settings in which question generation occurs. A common approach to address these…

计算与语言 · 计算机科学 2024-06-21 Naiming Liu , Zichao Wang , Richard Baraniuk

$\textbf{Background:}$ At the onset of a pandemic, such as COVID-19, data with proper labeling/attributes corresponding to the new disease might be unavailable or sparse. Machine Learning (ML) models trained with the available data, which…

Synthetic tabular data generation has received increasing attention in recent years, particularly with the emergence of foundation models for tabular data. The breakthrough success of TabPFN (Hollmann et al.,2025), which leverages vast…

机器学习 · 计算机科学 2025-07-08 Frederik Hoppe , Astrid Franz , Lars Kleinemeier , Udo Göbel

The data landscape is rich with structured data, often of high value to organizations, driving important applications in data analysis and machine learning. Recent progress in representation learning and generative models for such data has…

信息检索 · 计算机科学 2025-05-20 Xingyu Ji , Parker Glenn , Aditya G. Parameswaran , Madelon Hulsebos

Retrieval-augmented generation (RAG) enhances large language models (LLMs) with external knowledge but still suffers from long contexts and disjoint retrieval-generation optimization. In this work, we propose CLaRa (Continuous Latent…

计算与语言 · 计算机科学 2026-02-09 Jie He , Richard He Bai , Sinead Williamson , Jeff Z. Pan , Navdeep Jaitly , Yizhe Zhang

Conditional contrastive learning frameworks consider the conditional sampling procedure that constructs positive or negative data pairs conditioned on specific variables. Fair contrastive learning constructs negative pairs, for example,…

Conditionality has become a core component for Generative Adversarial Networks (GANs) for generating synthetic images. GANs are usually using latent conditionality to control the generation process. However, tabular data only contains…

机器学习 · 计算机科学 2022-10-06 Gael Lederrey , Tim Hillel , Michel Bierlaire