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Related papers: SemDeDup: Data-efficient learning at web-scale thr…

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Recent dataset deduplication techniques have demonstrated that content-aware dataset pruning can dramatically reduce the cost of training Vision-Language Pretrained (VLP) models without significant performance losses compared to training on…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Eric Slyman , Stefan Lee , Scott Cohen , Kushal Kafle

The effectiveness of large language models (LLMs) is often hindered by duplicated data in their extensive pre-training datasets. Current approaches primarily focus on detecting and removing duplicates, which risks the loss of valuable…

Computation and Language · Computer Science 2024-07-10 Nan He , Weichen Xiong , Hanwen Liu , Yi Liao , Lei Ding , Kai Zhang , Guohua Tang , Xiao Han , Wei Yang

We find that existing language modeling datasets contain many near-duplicate examples and long repetitive substrings. As a result, over 1% of the unprompted output of language models trained on these datasets is copied verbatim from the…

Computation and Language · Computer Science 2022-03-28 Katherine Lee , Daphne Ippolito , Andrew Nystrom , Chiyuan Zhang , Douglas Eck , Chris Callison-Burch , Nicholas Carlini

Over recent years, an increasing amount of compute and data has been poured into training large language models (LLMs), usually by doing one-pass learning on as many tokens as possible randomly selected from large-scale web corpora. While…

Computation and Language · Computer Science 2023-08-24 Kushal Tirumala , Daniel Simig , Armen Aghajanyan , Ari S. Morcos

We propose an approach to semantic segmentation that achieves state-of-the-art supervised performance when applied in a zero-shot setting. It thus achieves results equivalent to those of the supervised methods, on each of the major semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Wei Yin , Yifan Liu , Chunhua Shen , Baichuan Sun , Anton van den Hengel

Pre-training decoder-only language models relies on vast amounts of high-quality data, yet the availability of such data is increasingly reaching its limits. While metadata is commonly used to create and curate these datasets, its potential…

Computation and Language · Computer Science 2025-12-09 Sebastian Sztwiertnia , Felix Friedrich , Kristian Kersting , Patrick Schramowski , Björn Deiseroth

The computational burden and inherent redundancy of large-scale datasets challenge the training of contemporary machine learning models. Data pruning offers a solution by selecting smaller, informative subsets, yet existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Feiyang Kang , Nadine Chang , Maying Shen , Marc T. Law , Rafid Mahmood , Ruoxi Jia , Jose M. Alvarez

Diverse decoding of large language models is crucial for applications requiring multiple semantically distinct responses, yet existing methods primarily achieve lexical rather than semantic diversity. This limitation significantly…

Computation and Language · Computer Science 2025-09-30 Weijie Shi , Yue Cui , Yaguang Wu , Jingzhi Fang , Shibo Zhang , Mengze Li , Sirui Han , Jia Zhu , Jiajie Xu , Xiaofang Zhou

This paper addresses the deduplication of multilingual textual data using advanced NLP tools. We compare a two-step method involving translation to English followed by embedding with mpnet, and a multilingual embedding model (distiluse).…

Artificial Intelligence · Computer Science 2024-06-21 Stefan Pasch , Dimitirios Petridis , Jannic Cutura

Data duplication during pretraining can degrade generalization and lead to memorization, motivating aggressive deduplication pipelines. However, at web scale, it is unclear what constitutes a ``duplicate'': beyond surface-form matches,…

Machine Learning · Computer Science 2026-03-10 Joshua Kazdan , Noam Levi , Rylan Schaeffer , Jessica Chudnovsky , Abhay Puri , Bo He , Mehmet Donmez , Sanmi Koyejo , David Donoho

Tokenization plays a critical role in language modeling, yet existing approaches such as Byte-Pair Encoding (BPE) or WordPiece operate purely on frequency statistics, ignoring the underlying semantic structure of text. This leads to…

Computation and Language · Computer Science 2025-08-22 Dong Liu , Yanxuan Yu

Despite the remarkable capabilities of Language Models (LMs) across diverse tasks, no single model consistently outperforms others, necessitating efficient methods to combine their strengths without expensive retraining. Existing model…

Computation and Language · Computer Science 2025-05-27 Jian Gu , Aldeida Aleti , Chunyang Chen , Hongyu Zhang

Multimodal Large Language Models (MLLMs) face significant computational overhead when processing long videos due to the massive number of visual tokens required. To improve efficiency, existing methods primarily reduce redundancy by pruning…

Artificial Intelligence · Computer Science 2026-05-22 Bingjun Luo , Tony Wang , Chaoqi Chen , Xinpeng Ding

Attributed to the ever-increasing large image datasets, Convolutional Neural Networks (CNNs) have become popular for vision-based tasks. It is generally admirable to have larger-sized datasets for higher network training accuracies.…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Xuan Li , Liqiong Chang , Xue Liu

Depth pruning improves the deployment efficiency of large language models (LLMs) by identifying and removing redundant layers. A widely accepted standard for this identification process is to measure the similarity between layers using…

Artificial Intelligence · Computer Science 2026-04-22 Yuli Chen , Shuhao Zhang , Fanshen Meng , Bo Cheng , Jiale Han , Qiang Tong , Xiulei Liu

Sentence embedding tasks are important in natural language processing (NLP), but improving their performance while keeping them reliable is still hard. This paper presents a framework that combines pseudo-label generation and model ensemble…

Computation and Language · Computer Science 2025-01-28 Ziwei Liu , Qi Zhang , Lifu Gao

The large size and fast growth of data repositories, such as data lakes, has spurred the need for data discovery to help analysts find related data. The problem has become challenging as (i) a user typically does not know what datasets…

Databases · Computer Science 2023-01-16 Tianji Cong , Fatemeh Nargesian , H. V. Jagadish

Although data is abundant, data labeling is expensive. Semi-supervised learning methods combine a few labeled samples with a large corpus of unlabeled data to effectively train models. This paper introduces our proposed method LiDAM, a…

Machine Learning · Computer Science 2020-11-25 Qun Liu , Matthew Shreve , Raja Bala

Social media data exhibits severe redundancy caused by its noisy nature. It leads to increased training time and model bias in its processing. To address this issue, we propose a novel Generative Deduplication framework for social media…

Computation and Language · Computer Science 2024-10-04 Xianming Li , Jing Li

Scaling up the backup storage for an ever-increasing volume of virtual machine (VM) images is a critical issue in virtualization environments. While deduplication is known to effectively eliminate duplicates for VM image storage, it also…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-06-28 Chun-Ho Ng , Patrick P. C. Lee
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