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The current state-of-the-art in many natural language processing and automated knowledge base completion tasks is held by representation learning methods which learn distributed vector representations of symbols via gradient-based…

Neural and Evolutionary Computing · Computer Science 2017-12-29 Tim Rocktäschel

Recently, the development of pre-trained language models has brought natural language processing (NLP) tasks to the new state-of-the-art. In this paper we explore the efficiency of various pre-trained language models. We pre-train a list of…

Computation and Language · Computer Science 2023-07-27 Tong Guo

In this paper we consider self-supervised representation learning to improve sample efficiency in reinforcement learning (RL). We propose a forward prediction objective for simultaneously learning embeddings of states and action sequences.…

Machine Learning · Computer Science 2020-01-15 William Whitney , Rajat Agarwal , Kyunghyun Cho , Abhinav Gupta

Pre-training has been a useful method for learning implicit transferable knowledge and it shows the benefit of offering complementary features across different modalities. Recent work mainly focuses on the modalities such as image and text,…

Computation and Language · Computer Science 2022-12-09 Ziqi Zhang , Yile Wang , Yue Zhang , Donglin Wang

Pre-training text representations has recently been shown to significantly improve the state-of-the-art in many natural language processing tasks. The central goal of pre-training is to learn text representations that are useful for…

Computation and Language · Computer Science 2020-04-14 Shangwen Lv , Yuechen Wang , Daya Guo , Duyu Tang , Nan Duan , Fuqing Zhu , Ming Gong , Linjun Shou , Ryan Ma , Daxin Jiang , Guihong Cao , Ming Zhou , Songlin Hu

In recent years, domains such as natural language processing and image recognition have popularized the paradigm of using large datasets to pretrain representations that can be effectively transferred to downstream tasks. In this work we…

Machine Learning · Computer Science 2023-10-26 David Brandfonbrener , Ofir Nachum , Joan Bruna

Although an object may appear in numerous contexts, we often describe it in a limited number of ways. Language allows us to abstract away visual variation to represent and communicate concepts. Building on this intuition, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Mohamed El Banani , Karan Desai , Justin Johnson

The ability to acquire latent semantics is one of the key properties that determines the performance of language models. One convenient approach to invoke this ability is to prepend metadata (e.g. URLs, domains, and styles) at the beginning…

Natural language processing (NLP) tasks tend to suffer from a paucity of suitably annotated training data, hence the recent success of transfer learning across a wide variety of them. The typical recipe involves: (i) training a deep,…

Computation and Language · Computer Science 2019-09-11 Lyan Verwimp , Jerome R. Bellegarda

This paper proposes an information-theoretic representation learning framework, named conditional information flow maximization, to extract noise-invariant sufficient representations for the input data and target task. It promotes the…

Machine Learning · Computer Science 2024-08-13 Dou Hu , Lingwei Wei , Wei Zhou , Songlin Hu

Pretraining language models directly on web-scale corpora is the de facto paradigm. We study an alternative where the model is initially exposed to abstract structured data to ease the subsequent acquisition of rich semantic knowledge, much…

Computation and Language · Computer Science 2026-05-29 Liangze Jiang , Zachary Shinnick , Anton van den Hengel , Hemanth Saratchandran , Damien Teney

Recent work using auxiliary prediction task classifiers to investigate the properties of LSTM representations has begun to shed light on why pretrained representations, like ELMo (Peters et al., 2018) and CoVe (McCann et al., 2017), are so…

Computation and Language · Computer Science 2019-01-08 Kelly W. Zhang , Samuel R. Bowman

We propose a self-supervised algorithm to learn representations from egocentric video data. Recently, significant efforts have been made to capture humans interacting with their own environments as they go about their daily activities. In…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Himangi Mittal , Pedro Morgado , Unnat Jain , Abhinav Gupta

Data-efficient learning algorithms are essential in many practical applications where data collection is expensive, e.g., in robotics due to the wear and tear. To address this problem, meta-learning algorithms use prior experience about…

Machine Learning · Computer Science 2020-10-26 Jean Kaddour , Steindór Sæmundsson , Marc Peter Deisenroth

Reinforcement learning (RL) algorithms typically start tabula rasa, without any prior knowledge of the environment, and without any prior skills. This however often leads to low sample efficiency, requiring a large amount of interaction…

Machine Learning · Computer Science 2020-07-13 Matthias Hutsebaut-Buysse , Kevin Mets , Steven Latré

Speakers' referential expressions often depart from communicative ideals in ways that help illuminate the nature of pragmatic language use. Patterns of overmodification, in which a speaker uses a modifier that is redundant given their…

Computation and Language · Computer Science 2022-05-20 Fei Fang , Kunal Sinha , Noah D. Goodman , Christopher Potts , Elisa Kreiss

In order to explore and act autonomously in an environment, an agent needs to learn from the sensorimotor information that is captured while acting. By extracting the regularities in this sensorimotor stream, it can learn a model of the…

Artificial Intelligence · Computer Science 2018-04-27 Thibaut Kulak , Michael Garcia Ortiz

Complex, long-horizon planning and its combinatorial nature pose steep challenges for learning-based agents. Difficulties in such settings are exacerbated in low data regimes where over-fitting stifles generalization and compounding errors…

Machine Learning · Computer Science 2023-06-23 Joey Hejna , Pieter Abbeel , Lerrel Pinto

Recent unsupervised pre-training methods have shown to be effective on language and vision domains by learning useful representations for multiple downstream tasks. In this paper, we investigate if such unsupervised pre-training methods can…

Computer Vision and Pattern Recognition · Computer Science 2022-06-20 Younggyo Seo , Kimin Lee , Stephen James , Pieter Abbeel

Transformers have gained increasing popularity in a wide range of applications, including Natural Language Processing (NLP), Computer Vision and Speech Recognition, because of their powerful representational capacity. However, harnessing…