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Despite recent breakthroughs in reinforcement learning (RL) and imitation learning (IL), existing algorithms fail to generalize beyond the training environments. In reality, humans can adapt to new tasks quickly by leveraging prior…

Machine Learning · Computer Science 2023-04-18 Tianshi Cao , Jingkang Wang , Yining Zhang , Sivabalan Manivasagam

Given the complexity of combinations of tasks, languages, and domains in natural language processing (NLP) research, it is computationally prohibitive to exhaustively test newly proposed models on each possible experimental setting. In this…

Computation and Language · Computer Science 2020-05-05 Mengzhou Xia , Antonios Anastasopoulos , Ruochen Xu , Yiming Yang , Graham Neubig

Using prompts to utilize language models to perform various downstream tasks, also known as prompt-based learning or prompt-learning, has lately gained significant success in comparison to the pre-train and fine-tune paradigm. Nonetheless,…

Computation and Language · Computer Science 2022-10-19 Yi Sun , Yu Zheng , Chao Hao , Hangping Qiu

For many natural language processing (NLP) tasks the amount of annotated data is limited. This urges a need to apply semi-supervised learning techniques, such as transfer learning or meta-learning. In this work we tackle Named Entity…

Computation and Language · Computer Science 2018-12-18 Alexander Fritzler , Varvara Logacheva , Maksim Kretov

Recent studies report that autoregressive language models can successfully solve many NLP tasks via zero- and few-shot learning paradigms, which opens up new possibilities for using the pre-trained language models. This paper introduces two…

Computation and Language · Computer Science 2023-10-13 Oleh Shliazhko , Alena Fenogenova , Maria Tikhonova , Vladislav Mikhailov , Anastasia Kozlova , Tatiana Shavrina

Learning tasks such as those involving genomic data often poses a serious challenge: the number of input features can be orders of magnitude larger than the number of training examples, making it difficult to avoid overfitting, even when…

Existing language models (LMs) predict tokens with a softmax over a finite vocabulary, which can make it difficult to predict rare tokens or phrases. We introduce NPM, the first nonparametric masked language model that replaces this softmax…

Computation and Language · Computer Science 2023-05-29 Sewon Min , Weijia Shi , Mike Lewis , Xilun Chen , Wen-tau Yih , Hannaneh Hajishirzi , Luke Zettlemoyer

In this paper, we present a Bayesian multilingual document model for learning language-independent document embeddings. The model is an extension of BaySMM [Kesiraju et al 2020] to the multilingual scenario. It learns to represent the…

Computation and Language · Computer Science 2024-03-26 Santosh Kesiraju , Sangeet Sagar , Ondřej Glembek , Lukáš Burget , Ján Černocký , Suryakanth V Gangashetty

This work investigates the use of natural language to enable zero-shot model adaptation to new tasks. We use text and metadata from social commenting platforms as a source for a simple pretraining task. We then provide the language model…

Computation and Language · Computer Science 2019-12-24 Raul Puri , Bryan Catanzaro

While sentence simplification is an active research topic in NLP, its adjacent tasks of sentence complexification and same-level paraphrasing are not. To train models on all three tasks, we present two new unsupervised datasets. We compare…

Computation and Language · Computer Science 2023-11-22 Alison Chi , Li-Kuang Chen , Yi-Chen Chang , Shu-Hui Lee , Jason S. Chang

Text classification tends to be difficult when data are deficient or when it is required to adapt to unseen classes. In such challenging scenarios, recent studies have often used meta-learning to simulate the few-shot task, thus negating…

Information Retrieval · Computer Science 2019-11-22 Shumin Deng , Ningyu Zhang , Zhanlin Sun , Jiaoyan Chen , Huajun Chen

Low-rank matrix completion has achieved great success in many real-world data applications. A matrix factorization model that learns latent features is usually employed and, to improve prediction performance, the similarities between latent…

Machine Learning · Statistics 2020-01-28 Kaiyi Ji , Jian Tan , Jinfeng Xu , Yuejie Chi

Large Language Models (LLMs) have demonstrated impressive capabilities for generalizing in unseen tasks. In the Named Entity Recognition (NER) task, recent advancements have seen the remarkable improvement of LLMs in a broad range of entity…

Computation and Language · Computer Science 2024-06-21 Yuyang Ding , Juntao Li , Pinzheng Wang , Zecheng Tang , Bowen Yan , Min Zhang

Factor analysis aims to determine latent factors, or traits, which summarize a given data set. Inter-battery factor analysis extends this notion to multiple views of the data. In this paper we show how a nonlinear, nonparametric version of…

Machine Learning · Statistics 2016-04-19 Andreas Damianou , Neil D. Lawrence , Carl Henrik Ek

We investigate learning feature-to-feature translator networks by alternating back-propagation as a general-purpose solution to zero-shot learning (ZSL) problems. It is a generative model-based ZSL framework. In contrast to models based on…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Yizhe Zhu , Jianwen Xie , Bingchen Liu , Ahmed Elgammal

We present a generative model for multitask conditional language generation. Our guiding hypothesis is that a shared set of latent skills underlies many disparate language generation tasks, and that explicitly modelling these skills in a…

Computation and Language · Computer Science 2020-02-25 Kris Cao , Dani Yogatama

When applying machine learning to problems in NLP, there are many choices to make about how to represent input texts. These choices can have a big effect on performance, but they are often uninteresting to researchers or practitioners who…

Computation and Language · Computer Science 2015-03-03 Dani Yogatama , Noah A. Smith

Deep learning methods are known to generalize well from training to future data, even in an overparametrized regime, where they could easily overfit. One explanation for this phenomenon is that even when their *ambient dimensionality*,…

Machine Learning · Computer Science 2025-05-22 Hossein Zakerinia , Dorsa Ghobadi , Christoph H. Lampert

Few-shot learning allows pre-trained language models to adapt to downstream tasks while using a limited number of training examples. However, practical applications are limited when all model parameters must be optimized. In this work we…

Computation and Language · Computer Science 2023-02-01 Ethan Kim , Jerry Yang

With recent progress in large-scale map maintenance and long-term map learning, the task of change detection on a large-scale map from a visual image captured by a mobile robot has become a problem of increasing criticality. Previous…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Tanaka Kanji