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Diffusion models have recently been employed to generate high-quality images, reducing the need for manual data collection and improving model generalization in tasks such as object detection, instance segmentation, and image perception.…

计算机视觉与模式识别 · 计算机科学 2024-12-03 You Li , Fan Ma , Yi Yang

Although many AI applications of interest require specialized multi-modal models, relevant data to train such models is inherently scarce or inaccessible. Filling these gaps with human annotators is prohibitively expensive, error-prone, and…

人工智能 · 计算机科学 2026-04-01 Tim R. Davidson , Benoit Seguin , Enrico Bacis , Cesar Ilharco , Hamza Harkous

Decision trees and random forest remain highly competitive for classification on medium-sized, standard datasets due to their robustness, minimal preprocessing requirements, and interpretability. However, a single tree suffers from high…

机器学习 · 统计学 2025-12-02 Cencheng Shen , Yuexiao Dong , Carey E. Priebe

We initiate a study of a query-driven approach to designing partition trees for range-searching problems. Our model assumes that a data structure is to be built for an unknown query distribution that we can access through a sampling oracle,…

数据结构与算法 · 计算机科学 2025-02-20 Dimitris Fotakis , Andreas Kalavas , Ioannis Psarros

Language models generate reasoning sequentially, preventing them from decoupling irrelevant exploration paths during search. We introduce Tree-Structured Language Modeling (TSLM), which uses special tokens to encode branching structure,…

计算与语言 · 计算机科学 2026-02-02 Doyoung Kim , Jaehyeok Doo , Minjoon Seo

Forecasting is critical in areas such as finance, biology, and healthcare. Despite the progress in the field, making accurate forecasts remains challenging because real-world time series contain both global trends, local fine-grained…

机器学习 · 计算机科学 2026-01-01 Zihao Chen , Alexandre Andre , Wenrui Ma , Ian Knight , Sergey Shuvaev , Eva Dyer

Large language models (LLMs) have shown impressive promise in code generation, yet their progress remains limited by the shortage of large-scale datasets that are both diverse and well-aligned with human reasoning. Most existing resources…

机器学习 · 计算机科学 2025-10-28 Amal Abed , Ivan Lukic , Jörg K. H. Franke , Frank Hutter

Data augmentation methods for neural machine translation are particularly useful when limited amount of training data is available, which is often the case when dealing with low-resource languages. We introduce a novel augmentation method,…

计算与语言 · 计算机科学 2023-11-07 Attila Nagy , Dorina Lakatos , Botond Barta , Judit Ács

Hash codes are a very efficient data representation needed to be able to cope with the ever growing amounts of data. We introduce a random forest semantic hashing scheme with information-theoretic code aggregation, showing for the first…

计算机视觉与模式识别 · 计算机科学 2015-04-20 Qiang Qiu , Guillermo Sapiro , Alex Bronstein

Despite significant progress on current state-of-the-art image generation models, synthesis of document images containing multiple and complex object layouts is a challenging task. This paper presents a novel approach, called DocSynth, to…

计算机视觉与模式识别 · 计算机科学 2021-07-07 Sanket Biswas , Pau Riba , Josep Lladós , Umapada Pal

The explosion of scientific literature has made the efficient and accurate extraction of structured data a critical component for advancing scientific knowledge and supporting evidence-based decision-making. However, existing tools often…

人机交互 · 计算机科学 2025-11-06 Xingbo Wang , Samantha L. Huey , Rui Sheng , Saurabh Mehta , Fei Wang

Synthetic high-quality multi-step reasoning data can significantly enhance the performance of large language models on various tasks. However, most existing methods rely on rejection sampling, which generates trajectories independently and…

计算与语言 · 计算机科学 2025-07-22 Peiji Li , Kai Lv , Yunfan Shao , Yichuan Ma , Linyang Li , Xiaoqing Zheng , Xipeng Qiu , Qipeng Guo

As Deep Learning algorithms continue to evolve and become more sophisticated, they require massive datasets for model training and efficacy of models. Some of those data requirements can be met with the help of existing datasets within the…

Tensor is the most basic and essential data structure of nowadays artificial intelligence (AI) system. The natural properties of Tensor, especially the memory-continuity and slice-independence, make it feasible for training system to…

人工智能 · 计算机科学 2026-02-13 Shaoang Zhang , Yazhe Niu

This paper introduces the Partition Tree Weighting technique, an efficient meta-algorithm for piecewise stationary sources. The technique works by performing Bayesian model averaging over a large class of possible partitions of the data…

信息论 · 计算机科学 2012-11-22 Joel Veness , Martha White , Michael Bowling , András György

Effective and controllable data selection is critical for LLM instruction tuning, especially with massive open-source datasets. Existing approaches primarily rely on instance-level quality scores, or diversity metrics based on embedding…

计算与语言 · 计算机科学 2026-01-21 Zihan Niu , Wenping Hu , Junmin Chen , Xiyue Wang , Tong Xu , Ruiming Tang

The adoption of the distributed paradigm has allowed applications to increase their scalability, robustness and fault tolerance, but it has also complicated their structure, leading to an exponential growth of the applications'…

分布式、并行与集群计算 · 计算机科学 2017-05-23 Ioannis Giannakopoulos , Dimitrios Tsoumakos , Nectarios Koziris

Presenting users with diverse responses from foundation models is crucial for enhancing user experience and accommodating varying preferences. However, generating multiple high-quality and diverse responses without sacrificing accuracy…

机器学习 · 计算机科学 2024-11-12 Yeming Wen , Swarat Chaudhuri

Private synthetic data sharing is preferred as it keeps the distribution and nuances of original data compared to summary statistics. The state-of-the-art methods adopt a select-measure-generate paradigm, but measuring large domain…

密码学与安全 · 计算机科学 2023-10-11 Meifan Zhang , Dihang Deng , Lihua Yin

Large language models (LLMs) have shown impressive performance on general-purpose tasks, yet adapting them to specific domains remains challenging due to the scarcity of high-quality domain data. Existing data synthesis tools often struggle…

计算与语言 · 计算机科学 2025-07-08 Ziyang Miao , Qiyu Sun , Jingyuan Wang , Yuchen Gong , Yaowei Zheng , Shiqi Li , Richong Zhang