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We introduce Sentence-level Language Modeling, a new pre-training objective for learning a discourse language representation in a fully self-supervised manner. Recent pre-training methods in NLP focus on learning either bottom or top-level…

计算与语言 · 计算机科学 2020-11-02 Haejun Lee , Drew A. Hudson , Kangwook Lee , Christopher D. Manning

In many contexts, customized and weighted classification scores are designed in order to evaluate the goodness of the predictions carried out by neural networks. However, there exists a discrepancy between the maximization of such scores…

机器学习 · 计算机科学 2023-05-24 Francesco Marchetti , Sabrina Guastavino , Cristina Campi , Federico Benvenuto , Michele Piana

Sequence-to-sequence (seq2seq) models have been successful across many NLP tasks, including ones that require predicting linguistic structure. However, recent work on compositional generalization has shown that seq2seq models achieve very…

计算与语言 · 计算机科学 2022-10-25 Yuekun Yao , Alexander Koller

Humans can learn structural properties about a word from minimal experience, and deploy their learned syntactic representations uniformly in different grammatical contexts. We assess the ability of modern neural language models to reproduce…

计算与语言 · 计算机科学 2020-10-13 Ethan Wilcox , Peng Qian , Richard Futrell , Ryosuke Kohita , Roger Levy , Miguel Ballesteros

We propose that small pretrained foundational generative language models with millions of parameters can be utilized as a general learning framework for sequence-based tasks. Our proposal overcomes the computational resource, skill set, and…

计算与语言 · 计算机科学 2024-02-09 Ben Fauber

In this paper, we present an adaptation of the sequence-to-sequence model for structured output prediction in vision tasks. In this model the output variables for a given input are predicted sequentially using neural networks. The…

计算机视觉与模式识别 · 计算机科学 2016-10-25 Georgia Gkioxari , Alexander Toshev , Navdeep Jaitly

Self-supervised speech representation learning has recently been a prosperous research topic. Many algorithms have been proposed for learning useful representations from large-scale unlabeled data, and their applications to a wide range of…

音频与语音处理 · 电气工程与系统科学 2021-02-03 Yu-An Chung , Yonatan Belinkov , James Glass

In sequence prediction tasks like neural machine translation, training with cross-entropy loss often leads to models that overgeneralize and plunge into local optima. In this paper, we propose an extended loss function called \emph{dual…

计算与语言 · 计算机科学 2021-04-20 Zuchao Li , Hai Zhao , Yingting Wu , Fengshun Xiao , Shu Jiang

Nowadays, transformer-based models gradually become the default choice for artificial intelligence pioneers. The models also show superiority even in the few-shot scenarios. In this paper, we revisit the classical methods and propose a new…

机器学习 · 计算机科学 2022-10-07 Mengting Hu , Hang Gao , Yinhao Bai , Mingming Liu

Sequence-to-sequence models are commonly trained via maximum likelihood estimation (MLE). However, standard MLE training considers a word-level objective, predicting the next word given the previous ground-truth partial sentence. This…

计算与语言 · 计算机科学 2019-01-21 Liqun Chen , Yizhe Zhang , Ruiyi Zhang , Chenyang Tao , Zhe Gan , Haichao Zhang , Bai Li , Dinghan Shen , Changyou Chen , Lawrence Carin

In most applications of utilizing neural networks for mathematical optimization, a dedicated model is trained for each specific optimization objective. However, in many scenarios, several distinct yet correlated objectives or tasks often…

机器学习 · 计算机科学 2024-04-15 Wei Cui , Wei Yu

Advancing loss function design is pivotal for optimizing neural network training and performance. This work introduces Random Linear Projections (RLP) loss, a novel approach that enhances training efficiency by leveraging geometric…

机器学习 · 计算机科学 2024-06-03 Shyam Venkatasubramanian , Ahmed Aloui , Vahid Tarokh

Training autoregressive models to better predict under the test metric, instead of maximizing the likelihood, has been reported to be beneficial in several use cases but brings additional complications, which prevent wider adoption. In this…

机器学习 · 计算机科学 2019-12-10 Irina Saparina , Anton Osokin

State-of-the-art Neural Machine Translation (NMT) models struggle with generating low-frequency tokens, tackling which remains a major challenge. The analysis of long-tailed phenomena in the context of structured prediction tasks is further…

计算与语言 · 计算机科学 2020-10-13 Vikas Raunak , Siddharth Dalmia , Vivek Gupta , Florian Metze

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…

计算与语言 · 计算机科学 2023-07-27 Tong Guo

Segments that span contiguous parts of inputs, such as phonemes in speech, named entities in sentences, actions in videos, occur frequently in sequence prediction problems. Segmental models, a class of models that explicitly hypothesizes…

计算与语言 · 计算机科学 2018-06-14 Hao Tang

We present Searn, an algorithm for integrating search and learning to solve complex structured prediction problems such as those that occur in natural language, speech, computational biology, and vision. Searn is a meta-algorithm that…

机器学习 · 计算机科学 2009-07-07 Hal Daumé , John Langford , Daniel Marcu

Neural text generation is a key tool in natural language applications, but it is well known there are major problems at its core. In particular, standard likelihood training and decoding leads to dull and repetitive outputs. While some…

机器学习 · 计算机科学 2019-09-30 Sean Welleck , Ilia Kulikov , Stephen Roller , Emily Dinan , Kyunghyun Cho , Jason Weston

Most state-of-the-art neural machine translation systems, despite being different in architectural skeletons (e.g. recurrence, convolutional), share an indispensable feature: the Attention. However, most existing attention methods are…

计算与语言 · 计算机科学 2019-08-17 Phi Xuan Nguyen , Shafiq Joty

We study the utility of the lexical translation model (IBM Model 1) for English text retrieval, in particular, its neural variants that are trained end-to-end. We use the neural Model1 as an aggregator layer applied to context-free or…

计算与语言 · 计算机科学 2021-03-19 Leonid Boytsov , Zico Kolter