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This paper addresses the problem of classifying observations when features are context-sensitive, specifically when the testing set involves a context that is different from the training set. The paper begins with a precise definition of…

机器学习 · 计算机科学 2007-05-23 Peter D. Turney

Gender bias is highly impacting natural language processing applications. Word embeddings have clearly been proven both to keep and amplify gender biases that are present in current data sources. Recently, contextualized word embeddings…

计算与语言 · 计算机科学 2019-04-19 Christine Basta , Marta R. Costa-jussà , Noe Casas

This study addresses an image-matching problem in challenging cases, such as large scene variations or textureless scenes. To gain robustness to such situations, most previous studies have attempted to encode the global contexts of a scene…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Khang Truong Giang , Soohwan Song , Sungho Jo

Large language models have demonstrated surprising ability to perform in-context learning, i.e., these models can be directly applied to solve numerous downstream tasks by conditioning on a prompt constructed by a few input-output examples.…

计算与语言 · 计算机科学 2023-04-03 Huan Ma , Changqing Zhang , Yatao Bian , Lemao Liu , Zhirui Zhang , Peilin Zhao , Shu Zhang , Huazhu Fu , Qinghua Hu , Bingzhe Wu

Despite some empirical success at correcting exposure bias in machine translation, scheduled sampling algorithms suffer from a major drawback: they incorrectly assume that words in the reference translations and in sampled sequences are…

计算与语言 · 计算机科学 2019-05-07 Weijia Xu , Xing Niu , Marine Carpuat

We establish a relationship between the online mistake-bound model of learning and resource-bounded dimension. This connection is combined with the Winnow algorithm to obtain new results about the density of hard sets under adaptive…

计算复杂性 · 计算机科学 2007-05-23 John M. Hitchcock

Evaluating the in-context learning classification performance of language models poses challenges due to small dataset sizes, extensive prompt-selection using the validation set, and intentionally difficult tasks that lead to near-random…

计算与语言 · 计算机科学 2024-11-12 Gregory Yauney , David Mimno

Recent developments in transfer learning have boosted the advancements in natural language processing tasks. The performance is, however, dependent on high-quality, manually annotated training data. Especially in the biomedical domain, it…

计算与语言 · 计算机科学 2023-11-01 Lisa Kühnel , Alexander Schulz , Barbara Hammer , Juliane Fluck

Spell-checking is the process of detecting and sometimes providing suggestions for incorrectly spelled words in a text. Basically, the larger the dictionary of a spell-checker is, the higher is the error detection rate; otherwise,…

计算与语言 · 计算机科学 2012-04-03 Youssef Bassil

Text classification is the process of classifying documents into predefined categories based on their content. Existing supervised learning algorithms to automatically classify text need sufficient documents to learn accurately. This paper…

神经与进化计算 · 计算机科学 2010-09-27 S. M. Kamruzzaman , Farhana Haider

We present symbol tuning - finetuning language models on in-context input-label pairs where natural language labels (e.g., "positive/negative sentiment") are replaced with arbitrary symbols (e.g., "foo/bar"). Symbol tuning leverages the…

计算与语言 · 计算机科学 2024-01-02 Jerry Wei , Le Hou , Andrew Lampinen , Xiangning Chen , Da Huang , Yi Tay , Xinyun Chen , Yifeng Lu , Denny Zhou , Tengyu Ma , Quoc V. Le

While cross-lingual word embeddings have been studied extensively in recent years, the qualitative differences between the different algorithms remain vague. We observe that whether or not an algorithm uses a particular feature set…

计算与语言 · 计算机科学 2017-01-11 Omer Levy , Anders Søgaard , Yoav Goldberg

Rare word recognition can be improved by adapting ASR models to synthetic data that includes these words. Further improvements can be achieved through contextual biasing, which trains and adds a biasing module into the model architecture to…

计算与语言 · 计算机科学 2025-09-12 Chin Yuen Kwok , Jia Qi Yip , Eng Siong Chng

Attention-based contextual biasing approaches have shown significant improvements in the recognition of generic and/or personal rare-words in End-to-End Automatic Speech Recognition (E2E ASR) systems like neural transducers. These…

Equality saturation is a powerful technique for program optimization. Contextual equality saturation extends this to support rewrite rules that are conditioned on where a term appears in an expression. Existing work has brought contextual…

编程语言 · 计算机科学 2025-07-17 Tyler Hou , Shadaj Laddad , Joseph M. Hellerstein

A straightforward approach to context-aware neural machine translation consists in feeding the standard encoder-decoder architecture with a window of consecutive sentences, formed by the current sentence and a number of sentences from its…

计算与语言 · 计算机科学 2022-10-25 Lorenzo Lupo , Marco Dinarelli , Laurent Besacier

Cross-lingual semantic textual similarity systems estimate the degree of the meaning similarity between two sentences, each in a different language. State-of-the-art algorithms usually employ machine translation and combine vast amount of…

计算与语言 · 计算机科学 2018-07-12 Tomáš Brychcín

We present a new approach to encourage neural machine translation to satisfy lexical constraints. Our method acts at the training step and thereby avoiding the introduction of any extra computational overhead at inference step. The proposed…

计算与语言 · 计算机科学 2021-06-08 Melissa Ailem , Jinghsu Liu , Raheel Qader

Semantically meaningful sentence embeddings are important for numerous tasks in natural language processing. To obtain such embeddings, recent studies explored the idea of utilizing synthetically generated data from pretrained language…

计算与语言 · 计算机科学 2022-08-31 Taehee Kim , ChaeHun Park , Jimin Hong , Radhika Dua , Edward Choi , Jaegul Choo

When pre-trained on large unsupervised textual corpora, language models are able to store and retrieve factual knowledge to some extent, making it possible to use them directly for zero-shot cloze-style question answering. However, storing…

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