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Large language models are commonly trained on a mixture of filtered web data and curated high-quality corpora, such as social media conversations, books, or technical papers. This curation process is believed to be necessary to produce…

Incorporating metadata in Large Language Models (LLMs) pretraining has recently emerged as a promising approach to accelerate training. However prior work highlighted only one useful signal-URLs, leaving open the question of whether other…

计算与语言 · 计算机科学 2026-04-21 Dongyang Fan , Diba Hashemi , Sai Praneeth Karimireddy , Martin Jaggi

Web information extraction (WIE) is an important part of many e-commerce systems, supporting tasks like customer analysis and product recommendation. In this work, we look at the problem of building up-to-date product databases by…

信息检索 · 计算机科学 2025-09-26 Su Liu , Bin Bi , Jan Bakus , Paritosh Kumar Velalam , Vijay Yella , Vinod Hegde

Web templates are one of the main development resources for website engineers. Templates allow them to increase productivity by plugin content into already formatted and prepared pagelets. For the final user templates are also useful,…

信息检索 · 计算机科学 2015-01-12 Julián Alarte , David Insa , Josep Silva , Salvador Tamarit

Instruction tuning improves the performance of large language models (LLMs), but it heavily relies on high-quality training data. Recently, LLMs have been used to synthesize instruction data using seed question-answer (QA) pairs. However,…

Universal Information Extraction~(Universal IE) aims to solve different extraction tasks in a uniform text-to-structure generation manner. Such a generation procedure tends to struggle when there exist complex information structures to be…

计算与语言 · 计算机科学 2023-06-21 Xin Cong. Bowen Yu , Mengcheng Fang , Tingwen Liu , Haiyang Yu , Zhongkai Hu , Fei Huang , Yongbin Li , Bin Wang

Code translation tools (transpilers) are developed for automatic source-to-source translation. Although learning-based transpilers have shown impressive enhancement against rule-based counterparts, owing to their task-specific pre-training…

软件工程 · 计算机科学 2024-05-14 Zhen Yang , Fang Liu , Zhongxing Yu , Jacky Wai Keung , Jia Li , Shuo Liu , Yifan Hong , Xiaoxue Ma , Zhi Jin , Ge Li

We introduce HTLM, a hyper-text language model trained on a large-scale web crawl. Modeling hyper-text has a number of advantages: (1) it is easily gathered at scale, (2) it provides rich document-level and end-task-adjacent supervision…

计算与语言 · 计算机科学 2021-07-16 Armen Aghajanyan , Dmytro Okhonko , Mike Lewis , Mandar Joshi , Hu Xu , Gargi Ghosh , Luke Zettlemoyer

Automatically extracting effective queries is challenging in information retrieval, especially in toxic content exploration, as such content is likely to be disguised. With the recent achievements in generative Large Language Model (LLM),…

信息检索 · 计算机科学 2025-02-27 Shaola Ren , Li Ke , Longtao Huang , Dehong Gao , Hui Xue

In this paper, an approach for concept extraction from documents using pre-trained large language models (LLMs) is presented. Compared with conventional methods that extract keyphrases summarizing the important information discussed in a…

计算与语言 · 计算机科学 2025-04-23 Ebrahim Norouzi , Sven Hertling , Harald Sack

Pretraining datasets for large language models (LLMs) have grown to trillions of tokens composed of large amounts of CommonCrawl (CC) web scrape along with smaller, domain-specific datasets. It is expensive to understand the impact of these…

机器学习 · 计算机科学 2024-06-06 Cody Blakeney , Mansheej Paul , Brett W. Larsen , Sean Owen , Jonathan Frankle

Web scraping has historically required technical expertise in HTML parsing, session management, and authentication circumvention, which limited large-scale data extraction to skilled developers. We argue that large language models (LLMs)…

密码学与安全 · 计算机科学 2026-01-13 Arth Bhardwaj , Nirav Diwan , Gang Wang

While web data quality is crucial for large language models, most curation efforts focus on filtering and deduplication,treating HTML-to-text extraction as a fixed pre-processing step. Existing web corpora rely on heuristic-based extractors…

Large Language Models (LLMs) have achieved remarkable success through imitation learning on vast text corpora, but this paradigm creates a training-generation gap and limits robust reasoning. Reinforcement learning (RL) offers a more…

计算与语言 · 计算机科学 2026-04-13 Zhepeng Cen , Haolin Chen , Shiyu Wang , Zuxin Liu , Zhiwei Liu , Jielin Qiu , Ding Zhao , Silvio Savarese , Caiming Xiong , Huan Wang , Weiran Yao

Large language models produce powerful text embeddings, but their causal attention mechanism restricts the flow of information from later to earlier tokens, degrading representation quality. While recent methods attempt to solve this by…

计算与语言 · 计算机科学 2025-11-20 Xueying Ding , Xingyue Huang , Mingxuan Ju , Liam Collins , Yozen Liu , Leman Akoglu , Neil Shah , Tong Zhao

Masked language modeling (MLM) pre-training methods such as BERT corrupt the input by replacing some tokens with [MASK] and then train a model to reconstruct the original tokens. While they produce good results when transferred to…

计算与语言 · 计算机科学 2020-03-25 Kevin Clark , Minh-Thang Luong , Quoc V. Le , Christopher D. Manning

Most existing large language models (LLMs) are expensive to adapt after deployment, especially when a task requires newly produced information or niche domain knowledge. Recent work has shown that, by manipulating and optimizing their…

计算与语言 · 计算机科学 2026-05-15 Zeyu Huang , Adhiguna Kuncoro , Qixuan Feng , Jiajun Shen , Lucio Dery , Arthur Szlam , Marc'Aurelio Ranzato

Multilingual data from the web is essential for LLM pretraining. Yet, scraping it is expensive, and research groups repeatedly crawl the same content. For example, we found that over 40\% of tokens across major Arabic web corpora are…

计算与语言 · 计算机科学 2026-01-30 Sultan Alrashed , Francesco Orabona

Large Language Model (LLM) pre-training exhausts an ever growing compute budget, yet recent research has demonstrated that careful document selection enables comparable model quality with only a fraction of the FLOPs. Inspired by efforts…

计算与语言 · 计算机科学 2024-06-10 Xiang Kong , Tom Gunter , Ruoming Pang