中文
相关论文

相关论文: Learning Contextual Representations for Semantic P…

200 篇论文

A new method for Text-to-SQL parsing, Grammar Pre-training (GP), is proposed to decode deep relations between question and database. Firstly, to better utilize the information of databases, a random value is added behind a question word…

计算与语言 · 计算机科学 2021-04-19 Liang Zhao , Hexin Cao , Yunsong Zhao

How do masked language models (MLMs) such as BERT learn contextual representations? In this work, we analyze the learning dynamics of MLMs. We find that MLMs adopt sampled embeddings as anchors to estimate and inject contextual semantics to…

计算与语言 · 计算机科学 2022-04-11 Zhiyi Fu , Wangchunshu Zhou , Jingjing Xu , Hao Zhou , Lei Li

Recent years have witnessed the burgeoning of pretrained language models (LMs) for text-based natural language (NL) understanding tasks. Such models are typically trained on free-form NL text, hence may not be suitable for tasks like…

计算与语言 · 计算机科学 2020-05-19 Pengcheng Yin , Graham Neubig , Wen-tau Yih , Sebastian Riedel

Large language models (LLMs) have demonstrated remarkable in-context reasoning capabilities across a wide range of tasks, particularly with unstructured inputs such as language or images. However, LLMs struggle to handle structured data,…

机器学习 · 计算机科学 2025-02-20 Jintang Li , Ruofan Wu , Yuchang Zhu , Huizhe Zhang , Liang Chen , Zibin Zheng

Recently, the topic of table pre-training has attracted considerable research interest. However, how to employ table pre-training to boost the performance of tabular prediction remains an open challenge. In this paper, we propose TapTap,…

机器学习 · 计算机科学 2023-05-18 Tianping Zhang , Shaowen Wang , Shuicheng Yan , Jian Li , Qian Liu

Large language models (LLMs) have shown remarkable generalization capability with exceptional performance in various language modeling tasks. However, they still exhibit inherent limitations in precisely capturing and returning grounded…

计算与语言 · 计算机科学 2024-01-01 Yijun Tian , Huan Song , Zichen Wang , Haozhu Wang , Ziqing Hu , Fang Wang , Nitesh V. Chawla , Panpan Xu

Multilingual generative models obtain remarkable cross-lingual in-context learning capabilities through pre-training on large-scale corpora. However, they still exhibit a performance bias toward high-resource languages and learn isolated…

计算与语言 · 计算机科学 2024-06-13 Chong Li , Shaonan Wang , Jiajun Zhang , Chengqing Zong

When applied to Image-to-text models, interpretability methods often provide token-by-token explanations namely, they compute a visual explanation for each token of the generated sequence. Those explanations are expensive to compute and…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Michele Cafagna , Lina M. Rojas-Barahona , Kees van Deemter , Albert Gatt

This paper presents the first study on using large-scale pre-trained language models for automated generation of an event-level temporal graph for a document. Despite the huge success of neural pre-training methods in NLP tasks, its…

计算与语言 · 计算机科学 2021-04-13 Aman Madaan , Yiming Yang

Representation learning for text via pretraining a language model on a large corpus has become a standard starting point for building NLP systems. This approach stands in contrast to autoencoders, also trained on raw text, but with the…

计算与语言 · 计算机科学 2021-09-14 Ivan Montero , Nikolaos Pappas , Noah A. Smith

Neural network models often generalize poorly to mismatched domains or distributions. In NLP, this issue arises in particular when models are expected to generalize compositionally, that is, to novel combinations of familiar words and…

计算与语言 · 计算机科学 2021-11-10 Wang Zhu , Peter Shaw , Tal Linzen , Fei Sha

Pre-trained language models (PLM) have marked a huge leap in neural dialogue modeling. While PLMs are pre-trained on large-scale text corpora, they are usually fine-tuned on scarce dialogue data with specific domain knowledge and dialogue…

计算与语言 · 计算机科学 2021-12-14 Xiaodong Gu , Kang Min Yoo , Sang-Woo Lee

Recent prompt-based text-to-speech (TTS) models can clone an unseen speaker using only a short speech prompt. They leverage a strong in-context ability to mimic the speech prompts, including speaker style, prosody, and emotion. Therefore,…

声音 · 计算机科学 2024-06-07 Jinlong Xue , Yayue Deng , Yingming Gao , Ya Li

Table pretrain-then-finetune paradigm has been proposed and employed at a rapid pace after the success of pre-training in the natural language domain. Despite the promising findings in tabular pre-trained language models (TPLMs), there is…

计算与语言 · 计算机科学 2023-02-21 Nuo Chen , Linjun Shou , Ming Gong , Jian Pei , Chenyu You , Jianhui Chang , Daxin Jiang , Jia Li

Text Generation aims to produce plausible and readable text in a human language from input data. The resurgence of deep learning has greatly advanced this field, in particular, with the help of neural generation models based on pre-trained…

计算与语言 · 计算机科学 2022-05-17 Junyi Li , Tianyi Tang , Wayne Xin Zhao , Jian-Yun Nie , Ji-Rong Wen

Employing pre-trained language models (LM) to extract contextualized word representations has achieved state-of-the-art performance on various NLP tasks. However, applying this technique to noisy transcripts generated by automatic speech…

计算与语言 · 计算机科学 2020-11-03 Chao-Wei Huang , Yun-Nung Chen

In this work, we empirically show that updating pretrained LMs (350M, 1.3B, 2.7B) with just a few steps of Gradient Ascent Post-training (GAP) on random, unlabeled text corpora enhances its zero-shot generalization capabilities across…

计算与语言 · 计算机科学 2023-06-13 Dongkeun Yoon , Joel Jang , Sungdong Kim , Minjoon Seo

This paper presents a novel training method, Conditional Masked Language Modeling (CMLM), to effectively learn sentence representations on large scale unlabeled corpora. CMLM integrates sentence representation learning into MLM training by…

计算与语言 · 计算机科学 2021-09-13 Ziyi Yang , Yinfei Yang , Daniel Cer , Jax Law , Eric Darve

Retrieval-augmented generation (RAG) has demonstrated its ability to enhance Large Language Models (LLMs) by integrating external knowledge sources. However, multi-hop questions, which require the identification of multiple knowledge…

机器学习 · 计算机科学 2026-04-28 Yuchen Yan , Peiyan Zhang , Zhihua Liu , Hao Wang , Yatao Bian , Weiming Li , Xiaoshuai Hao

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