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Machine Reading Comprehension (MRC) is an active field in natural language processing with many successful developed models in recent years. Despite their high in-distribution accuracy, these models suffer from two issues: high training…

计算与语言 · 计算机科学 2021-07-16 Razieh Baradaran , Hossein Amirkhani

Zero-shot inference is a powerful paradigm that enables the use of large pretrained models for downstream classification tasks without further training. However, these models are vulnerable to inherited biases that can impact their…

机器学习 · 计算机科学 2024-02-13 Dyah Adila , Changho Shin , Linrong Cai , Frederic Sala

The knowledge encapsulated in a model is the core factor determining its final performance on downstream tasks. Much research in NLP has focused on efficient methods for storing and adapting different types of knowledge, e.g., in dedicated…

计算与语言 · 计算机科学 2024-01-26 Carolin Holtermann , Markus Frohmann , Navid Rekabsaz , Anne Lauscher

The success of diffusion probabilistic models in generative tasks, such as text-to-image generation, has motivated the exploration of their application to regression problems commonly encountered in scientific computing and various other…

机器学习 · 计算机科学 2024-08-12 Dule Shu , Amir Barati Farimani

A model's capacity to generalize its knowledge to interpret unseen inputs with different characteristics is crucial to build robust and reliable machine learning systems. Language model evaluation tasks lack information metrics about model…

计算与语言 · 计算机科学 2024-09-10 Saksham Bassi , Duygu Ataman , Kyunghyun Cho

The pre-training cost of large language models (LLMs) is prohibitive. One cutting-edge approach to reduce the cost is zero-shot weight transfer, also known as model growth for some cases, which magically transfers the weights trained in a…

机器学习 · 计算机科学 2024-08-19 Xingyuan Chen , Wenwei Kuang , Lei Deng , Wei Han , Bo Bai , Goncalo dos Reis

Recently slot filling has witnessed great development thanks to deep learning and the availability of large-scale annotated data. However, it poses a critical challenge to handle a novel domain whose samples are never seen during training.…

计算与语言 · 计算机科学 2023-10-25 Yuanjun Shi , Linzhi Wu , Minglai Shao

Empirical risk minimization (ERM) is not robust to changes in the distribution of data. When the distribution of test data is different from that of training data, the problem is known as out-of-distribution generalization. Recently, two…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Shijian Xu

Large pre-trained, zero-shot capable models have shown considerable success both for standard transfer and adaptation tasks, with particular robustness towards distribution shifts. In addition, subsequent fine-tuning can considerably…

机器学习 · 计算机科学 2022-11-08 Zafir Stojanovski , Karsten Roth , Zeynep Akata

We study zero-shot generalization in reinforcement learning-optimizing a policy on a set of training tasks to perform well on a similar but unseen test task. To mitigate overfitting, previous work explored different notions of invariance to…

机器学习 · 计算机科学 2024-01-17 Ev Zisselman , Itai Lavie , Daniel Soudry , Aviv Tamar

Contrastively trained text-image models have the remarkable ability to perform zero-shot classification, that is, classifying previously unseen images into categories that the model has never been explicitly trained to identify. However,…

Zero-shot translation is a promising direction for building a comprehensive multilingual neural machine translation~(MNMT) system. However, its quality is still not satisfactory due to off-target issues. In this paper, we aim to understand…

计算与语言 · 计算机科学 2024-10-22 Wenxuan Wang , Wenxiang Jiao , Shuo Wang , Zhaopeng Tu , Michael R. Lyu

This paper describes the RRMSE (Relative Root Mean Square Error) based weights to weight the occurrences of predictive values before averaging for the ensemble voting regression. The core idea behind ensemble regression is to combine…

机器学习 · 计算机科学 2022-07-12 Shikun Chen , Nguyen Manh Luc

Distributionally robust optimization (DRO) and invariant risk minimization (IRM) are two popular methods proposed to improve out-of-distribution (OOD) generalization performance of machine learning models. While effective for small models,…

机器学习 · 计算机科学 2023-01-25 Xiao Zhou , Yong Lin , Renjie Pi , Weizhong Zhang , Renzhe Xu , Peng Cui , Tong Zhang

Although existing machine reading comprehension models are making rapid progress on many datasets, they are far from robust. In this paper, we propose an understanding-oriented machine reading comprehension model to address three kinds of…

计算与语言 · 计算机科学 2022-07-04 Feiliang Ren , Yongkang Liu , Bochao Li , Shilei Liu , Bingchao Wang , Jiaqi Wang , Chunchao Liu , Qi Ma

We propose an algorithm to enhance certified robustness of a deep model ensemble by optimally weighting each base model. Unlike previous works on using ensembles to empirically improve robustness, our algorithm is based on optimizing a…

机器学习 · 统计学 2019-11-01 Huan Zhang , Minhao Cheng , Cho-Jui Hsieh

Ensemble models are powerful model building tools that are developed with a focus to improve the accuracy of model predictions. They find applications in time series forecasting in varied scenarios including but not limited to process…

Zero-shot cross-domain slot filling aims to transfer knowledge from the labeled source domain to the unlabeled target domain. Existing models either encode slot descriptions and examples or design handcrafted question templates using…

计算与语言 · 计算机科学 2023-07-07 Xuefeng Li , Liwen Wang , Guanting Dong , Keqing He , Jinzheng Zhao , Hao Lei , Jiachi Liu , Weiran Xu

In this paper, we study the problem of detecting machine-generated text when the large language model (LLM) it is possibly derived from is unknown. We do so by apply ensembling methods to the outputs from DetectGPT classifiers (Mitchell et…

计算与语言 · 计算机科学 2024-06-19 Ivan Ong , Boon King Quek

Zero-Shot learning has been shown to be an efficient strategy for domain adaptation. In this context, this paper builds on the recent work of Bucher et al. [1], which proposed an approach to solve Zero-Shot classification problems (ZSC) by…

机器学习 · 计算机科学 2016-08-29 Maxime Bucher , Stéphane Herbin , Frédéric Jurie
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