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The mixture proportions of pretraining data domains (e.g., Wikipedia, books, web text) greatly affect language model (LM) performance. In this paper, we propose Domain Reweighting with Minimax Optimization (DoReMi), which first trains a…

Computation and Language · Computer Science 2023-11-22 Sang Michael Xie , Hieu Pham , Xuanyi Dong , Nan Du , Hanxiao Liu , Yifeng Lu , Percy Liang , Quoc V. Le , Tengyu Ma , Adams Wei Yu

As demand for large corpora increases with the size of current state-of-the-art language models, using web data as the main part of the pre-training corpus for these models has become a ubiquitous practice. This, in turn, has introduced an…

Computation and Language · Computer Science 2022-12-21 Tim Jansen , Yangling Tong , Victoria Zevallos , Pedro Ortiz Suarez

Many Natural Language Processing applications nowadays rely on pre-trained word representations estimated from large text corpora such as news collections, Wikipedia and Web Crawl. In this paper, we show how to train high-quality word…

Computation and Language · Computer Science 2017-12-29 Tomas Mikolov , Edouard Grave , Piotr Bojanowski , Christian Puhrsch , Armand Joulin

Studies show that refining real-world categories into semantic subcategories contributes to better image modeling and classification. Previous image sub-categorization work relying on labeled images and WordNet's hierarchy is not only…

Multimedia · Computer Science 2017-03-17 Yazhou Yao , Jian Zhang , Fumin Shen , Xiansheng Hua , Wankou Yang , Zhenmin Tang

Information Retrieval (IR) practitioners often train separate ranking models for different domains (geographic regions, languages, stores, websites,...) as it is believed that exclusively training on in-domain data yields the best…

Information Retrieval · Computer Science 2024-07-02 Paul Missault , Abdelmaseeh Felfel

Neural rankers based on deep pretrained language models (LMs) have been shown to improve many information retrieval benchmarks. However, these methods are affected by their the correlation between pretraining domain and target domain and…

Information Retrieval · Computer Science 2020-11-04 Chenyan Xiong , Zhenghao Liu , Si Sun , Zhuyun Dai , Kaitao Zhang , Shi Yu , Zhiyuan Liu , Hoifung Poon , Jianfeng Gao , Paul Bennett

Recent approaches to data-to-text generation have adopted the very successful encoder-decoder architecture or variants thereof. These models generate text which is fluent (but often imprecise) and perform quite poorly at selecting…

Computation and Language · Computer Science 2021-02-05 Ratish Puduppully , Mirella Lapata

Data augmentation is a ubiquitous technique for increasing the size of labeled training sets by leveraging task-specific data transformations that preserve class labels. While it is often easy for domain experts to specify individual…

Machine Learning · Statistics 2018-12-10 Alexander J. Ratner , Henry R. Ehrenberg , Zeshan Hussain , Jared Dunnmon , Christopher Ré

Domain adaptive pretraining, i.e. the continued unsupervised pretraining of a language model on domain-specific text, improves the modelling of text for downstream tasks within the domain. Numerous real-world applications are based on…

Computation and Language · Computer Science 2021-09-15 Rasmus Kær Jørgensen , Mareike Hartmann , Xiang Dai , Desmond Elliott

Many real-world datasets can be divided into groups according to certain salient features (e.g. grouping images by subject, grouping text by font, etc.). Often, machine learning tasks require that these features be represented separately…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-02-16 Dan Andrei Iliescu , Aliaksei Mikhailiuk , Damon Wischik , Rafal Mantiuk

An important characteristic of English written text is the abundance of noun compounds - sequences of nouns acting as a single noun, e.g., colon cancer tumor suppressor protein. While eventually mastered by domain experts, their…

Computation and Language · Computer Science 2019-12-04 Preslav Nakov

Segmenting an unordered text document into different sections is a very useful task in many text processing applications like multiple document summarization, question answering, etc. This paper proposes structuring of an unordered text…

Information Retrieval · Computer Science 2019-01-30 Shashank Yadav , Tejas Shimpi , C. Ravindranath Chowdary , Prashant Sharma , Deepansh Agrawal , Shivang Agarwal

The improvement of LLMs' instruction-following capabilities depends critically on the availability of high-quality instruction-response pairs. While existing automatic data synthetic methods alleviate the burden of manual curation, they…

Computation and Language · Computer Science 2025-05-22 Yuxin Jiang , Yufei Wang , Chuhan Wu , Xinyi Dai , Yan Xu , Weinan Gan , Yasheng Wang , Xin Jiang , Lifeng Shang , Ruiming Tang , Wei Wang

Pre-trained Large Language Models (LLMs) often struggle on out-of-domain datasets like healthcare focused text. We explore specialized pre-training to adapt smaller LLMs to different healthcare datasets. Three methods are assessed:…

Computation and Language · Computer Science 2024-04-01 Niall Taylor , Dan Schofield , Andrey Kormilitzin , Dan W Joyce , Alejo Nevado-Holgado

Training data mixtures greatly impact the generalization performance of large language models. Existing domain reweighting methods often rely on costly weight computations and require retraining when new data is introduced. To this end, we…

Machine Learning · Computer Science 2025-06-02 Wanyun Xie , Francesco Tonin , Volkan Cevher

Now a days, the text document is spontaneously increasing over the internet, e-mail and web pages and they are stored in the electronic database format. To arrange and browse the document it becomes difficult. To overcome such problem the…

Computation and Language · Computer Science 2013-03-05 Leena H. Patil , Mohammed Atique

Pretrained language models are typically trained on massive web-based datasets, which are often "contaminated" with downstream test sets. It is not clear to what extent models exploit the contaminated data for downstream tasks. We present a…

Computation and Language · Computer Science 2022-03-17 Inbal Magar , Roy Schwartz

Pre-trained language models (PTLMs) acquire domain-independent linguistic knowledge through pre-training with massive textual resources. Additional pre-training is effective in adapting PTLMs to domains that are not well covered by the…

Computation and Language · Computer Science 2021-09-20 Kosuke Nishida , Kyosuke Nishida , Sen Yoshida

Existing domain-specific Large Language Models (LLMs) are typically developed by fine-tuning general-purposed LLMs with large-scale domain-specific corpora. However, training on large-scale corpora often fails to effectively organize domain…

Computation and Language · Computer Science 2025-02-11 Zhiqiang Liu , Chengtao Gan , Junjie Wang , Yichi Zhang , Zhongpu Bo , Mengshu Sun , Huajun Chen , Wen Zhang

Recent breakthroughs in natural language processing and computer vision, driven by efficient pre-training on large datasets, have enabled foundation models to excel on a wide range of tasks. However, this potential has not yet been fully…

Machine Learning · Computer Science 2025-02-03 Özgün Turgut , Philip Müller , Martin J. Menten , Daniel Rueckert