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We introduce a family of multitask variational methods for semi-supervised sequence labeling. Our model family consists of a latent-variable generative model and a discriminative labeler. The generative models use latent variables to define…

Computation and Language · Computer Science 2019-06-25 Mingda Chen , Qingming Tang , Karen Livescu , Kevin Gimpel

Label noise will degenerate the performance of deep learning algorithms because deep neural networks easily overfit label errors. Let X and Y denote the instance and clean label, respectively. When Y is a cause of X, according to which many…

Machine Learning · Statistics 2022-06-06 Yu Yao , Tongliang Liu , Mingming Gong , Bo Han , Gang Niu , Kun Zhang

Natural language processing models often exploit spurious correlations between task-independent features and labels in datasets to perform well only within the distributions they are trained on, while not generalising to different task…

Computation and Language · Computer Science 2022-03-25 Yuxiang Wu , Matt Gardner , Pontus Stenetorp , Pradeep Dasigi

We present a neural model for paraphrasing and train it to generate delexicalized sentences. We achieve this by creating training data in which each input is paired with a number of reference paraphrases. These sets of reference paraphrases…

Computation and Language · Computer Science 2020-12-07 Boya Yu , Konstantine Arkoudas , Wael Hamza

As the amount of textual data has been rapidly increasing over the past decade, efficient similarity search methods have become a crucial component of large-scale information retrieval systems. A popular strategy is to represent original…

Information Retrieval · Computer Science 2017-08-14 Suthee Chaidaroon , Yi Fang

Learning intents and slot labels from user utterances is a fundamental step in all spoken language understanding (SLU) and dialog systems. State-of-the-art neural network based methods, after deployment, often suffer from performance…

Computation and Language · Computer Science 2018-09-19 Avik Ray , Yilin Shen , Hongxia Jin

We address the text-to-text generation problem of sentence-level paraphrasing -- a phenomenon distinct from and more difficult than word- or phrase-level paraphrasing. Our approach applies multiple-sequence alignment to sentences gathered…

Computation and Language · Computer Science 2007-05-23 Regina Barzilay , Lillian Lee

We propose a deep generative approach to sampling from a conditional distribution based on a unified formulation of conditional distribution and generalized nonparametric regression function using the noise-outsourcing lemma. The proposed…

Statistics Theory · Mathematics 2021-10-22 Xingyu Zhou , Yuling Jiao , Jin Liu , Jian Huang

One of the biggest challenges of end-to-end language generation from meaning representations in dialogue systems is making the outputs more natural and varied. Here we take a large corpus of 50K crowd-sourced utterances in the restaurant…

Computation and Language · Computer Science 2018-09-17 Juraj Juraska , Marilyn Walker

In this paper, we investigate the diversity aspect of paraphrase generation. Prior deep learning models employ either decoding methods or add random input noise for varying outputs. We propose a simple method Diverse Paraphrase Generation…

Computation and Language · Computer Science 2018-08-15 Qiongkai Xu , Juyan Zhang , Lizhen Qu , Lexing Xie , Richard Nock

Compositional vector space models of meaning promise new solutions to stubborn language understanding problems. This paper makes two contributions toward this end: (i) it uses automatically-extracted paraphrase examples as a source of…

Computation and Language · Computer Science 2018-02-01 Avneesh Saluja , Chris Dyer , Jean-David Ruvini

Paraphrase generation is a long-standing task in natural language processing (NLP). Supervised paraphrase generation models, which rely on human-annotated paraphrase pairs, are cost-inefficient and hard to scale up. On the other hand,…

Computation and Language · Computer Science 2023-05-29 Kuan-Hao Huang , Varun Iyer , I-Hung Hsu , Anoop Kumar , Kai-Wei Chang , Aram Galstyan

Past work on story generation has demonstrated the usefulness of conditioning on a generation plan to generate coherent stories. However, these approaches have used heuristics or off-the-shelf models to first tag training stories with the…

Computation and Language · Computer Science 2020-10-08 Harsh Jhamtani , Taylor Berg-Kirkpatrick

Over the past year, the field of Natural Language Generation (NLG) has experienced an exponential surge, largely due to the introduction of Large Language Models (LLMs). These models have exhibited the most effective performance in a range…

Computation and Language · Computer Science 2024-04-22 Lasal Jayawardena , Prasan Yapa

Learning distributed sentence representations remains an interesting problem in the field of Natural Language Processing (NLP). We want to learn a model that approximates the conditional latent space over the representations of a logical…

Computation and Language · Computer Science 2018-03-08 Yikang Shen , Shawn Tan , Chin-Wei Huang , Aaron Courville

How to generate descriptions from structured data organized in tables? Existing approaches using neural encoder-decoder models often suffer from lacking diversity. We claim that an open set of templates is crucial for enriching the phrase…

Computation and Language · Computer Science 2020-02-14 Rong Ye , Wenxian Shi , Hao Zhou , Zhongyu Wei , Lei Li

End-to-end dialogue generation has achieved promising results without using handcrafted features and attributes specific for each task and corpus. However, one of the fatal drawbacks in such approaches is that they are unable to generate…

Computation and Language · Computer Science 2019-03-26 Hao-Tong Ye , Kai-Ling Lo , Shang-Yu Su , Yun-Nung Chen

Developing models that are capable of answering questions of the form "How would x change if y had been z?'" is fundamental to advancing medical image analysis. Training causal generative models that address such counterfactual questions,…

Machine Learning · Computer Science 2024-07-15 Yasin Ibrahim , Hermione Warr , Konstantinos Kamnitsas

Deep latent variable models have been shown to facilitate the response generation for open-domain dialog systems. However, these latent variables are highly randomized, leading to uncontrollable generated responses. In this paper, we…

Computation and Language · Computer Science 2017-07-07 Xiaoyu Shen , Hui Su , Yanran Li , Wenjie Li , Shuzi Niu , Yang Zhao , Akiko Aizawa , Guoping Long

Solving tabular math word problems (TMWPs) has become a critical role in evaluating the mathematical reasoning ability of large language models (LLMs), where large-scale TMWP samples are commonly required for LLM fine-tuning. Since the…

Computation and Language · Computer Science 2024-12-23 Xiaoqiang Kang , Zimu Wang , Xiaobo Jin , Wei Wang , Kaizhu Huang , Qiufeng Wang