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Modern large-scale recommender systems employ multi-stage ranking funnel (Retrieval, Pre-ranking, Ranking) to balance engagement and computational constraints (latency, CPU). However, the initial retrieval stage, often relying on efficient…

信息检索 · 计算机科学 2025-06-10 Amit Jaspal , Qian Dang , Ajantha Ramineni

Availability of research datasets is keystone for health and life science study reproducibility and scientific progress. Due to the heterogeneity and complexity of these data, a main challenge to be overcome by research data management…

信息检索 · 计算机科学 2017-09-12 Douglas Teodoro , Luc Mottin , Julien Gobeill , Arnaud Gaudinat , Thérèse Vachon , Patrick Ruch

Visualization recommendation seeks to generate, score, and recommend to users useful visualizations automatically, and are fundamentally important for exploring and gaining insights into a new or existing dataset quickly. In this work, we…

信息检索 · 计算机科学 2020-09-28 Xin Qian , Ryan A. Rossi , Fan Du , Sungchul Kim , Eunyee Koh , Sana Malik , Tak Yeon Lee , Joel Chan

Recent data search platforms use ML task-based utility measures rather than metadata-based keywords, to search large dataset corpora. Requesters submit a training dataset and these platforms search for augmentations (join or union…

数据库 · 计算机科学 2023-07-04 Zezhou Huang , Jiaxiang Liu , Daniel Alabi , Raul Castro Fernandez , Eugene Wu

Retrieval augmentation, which enhances downstream models by a knowledge retriever and an external corpus instead of by merely increasing the number of model parameters, has been successfully applied to many natural language processing (NLP)…

信息检索 · 计算机科学 2023-09-18 Chenyu Zhao , Yunjiang Jiang , Yiming Qiu , Han Zhang , Wen-Yun Yang

The success of modern machine learning hinges on access to high-quality training data. In many real-world scenarios, such as acquiring data from public repositories or sharing across institutions, data is naturally organized into discrete…

机器学习 · 计算机科学 2025-12-25 Xiaona Zhou , Yingyan Zeng , Ran Jin , Ismini Lourentzou

Huge amount of data is the key of the success of deep learning, however, redundant information impairs the generalization ability of the model and increases the burden of calculation. Dataset Distillation (DD) compresses the original…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Hangyang Kong , Wenbo Zhou , Xuxiang He , Xiaotong Tu , Xinghao Ding

Typical person re-identification (re-ID) methods train a deep CNN to extract deep features and combine them with a distance metric for the final evaluation. In this work, we focus on exploiting the full information encoded in the deep…

计算机视觉与模式识别 · 计算机科学 2018-11-22 Yong Liu , Lin Shang , Andy Song

Data scientists often seek to identify the most important features in high-dimensional datasets. This can be done through $L_1$-regularized regression, but this can become inefficient for very high-dimensional datasets. Additionally,…

机器学习 · 计算机科学 2024-08-26 Ryan Swope , Amol Khanna , Philip Doldo , Saptarshi Roy , Edward Raff

Two key, but usually ignored, issues for the evaluation of methods of personalization for information retrieval are: that such evaluation must be of a search session as a whole; and, that people, during the course of an information search…

信息检索 · 计算机科学 2018-09-10 Nicholas J. Belkin , Daniel Hienert , Philipp Mayr , Chirag Shah

The phenomenal growth in the healthcare data has inspired us in investigating robust and scalable models for data mining. For classification problems Information Gain(IG) based Decision Tree is one of the popular choices. However, depending…

人工智能 · 计算机科学 2015-09-29 Smita Roy , Samrat Mondal , Asif Ekbal

Assessing the quality and impact of individual data points is critical for improving model performance and mitigating undesirable biases within the training dataset. Several data valuation algorithms have been proposed to quantify data…

机器学习 · 计算机科学 2023-10-16 Kevin Fu Jiang , Weixin Liang , James Zou , Yongchan Kwon

Dataset distillation aims to generate compact synthetic datasets that enable models trained on them to achieve performance comparable to those trained on full real datasets, while substantially reducing storage and computational costs.…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Xinhao Zhong , Shuoyang Sun , Xulin Gu , Chenyang Zhu , Bin Chen , Yaowei Wang

Image set recognition has been widely applied in many practical problems like real-time video retrieval and image caption tasks. Due to its superior performance, it has grown into a significant topic in recent years. However, images with…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Chuan-Xian Ren , You-Wei Luo , Xiao-Lin Xu , Dao-Qing Dai , Hong Yan

With the rising number of machine learning competitions, the world has witnessed an exciting race for the best algorithms. However, the involved data selection process may fundamentally suffer from evidence ambiguity and concept drift…

机器学习 · 计算机科学 2020-06-15 Hoang D. Nguyen , Xuan-Son Vu , Quoc-Tuan Truong , Duc-Trong Le

In information retrieval research, precision and recall have long been used to evaluate IR systems. However, given that a number of retrieval systems resembling one another are already available to the public, it is valuable to retrieve…

计算与语言 · 计算机科学 2007-05-23 Atsushi Fujii , Tetsuya Ishikawa

Person reidentification (re-ID) has been receiving increasing attention in recent years due to its importance for both science and society. Machine learning and particularly Deep Learning (DL) has become the main re-id tool that allowed…

计算机视觉与模式识别 · 计算机科学 2022-07-29 Nikita Gabdullin

Data scarcity remains a persistent challenge in low-resource domains. While existing data augmentation methods leverage the generative capabilities of large language models (LLMs) to produce large volumes of synthetic data, these approaches…

计算与语言 · 计算机科学 2026-03-25 Janghyeok Choi , Jaewon Lee , Sungzoon Cho

As an essential branch of recommender systems, sequential recommendation (SR) has received much attention due to its well-consistency with real-world situations. However, the widespread data sparsity issue limits the SR model's performance.…

信息检索 · 计算机科学 2024-09-23 Yizhou Dang , Enneng Yang , Yuting Liu , Guibing Guo , Linying Jiang , Jianzhe Zhao , Xingwei Wang

Enterprise search systems often struggle to retrieve accurate, domain-specific information due to semantic mismatches and overlapping terminologies. These issues can degrade the performance of downstream applications such as knowledge…

信息检索 · 计算机科学 2025-05-27 Hansa Meghwani , Amit Agarwal , Priyaranjan Pattnayak , Hitesh Laxmichand Patel , Srikant Panda