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Although pre-trained language models (PLMs) have achieved state-of-the-art performance on various natural language processing (NLP) tasks, they are shown to be lacking in knowledge when dealing with knowledge driven tasks. Despite the many…

计算与语言 · 计算机科学 2022-08-02 Qianglong Chen , Feng-Lin Li , Guohai Xu , Ming Yan , Ji Zhang , Yin Zhang

In English semantic similarity tasks, classic word embedding-based approaches explicitly model pairwise "interactions" between the word representations of a sentence pair. Transformer-based pretrained language models disregard this notion,…

计算与语言 · 计算机科学 2019-11-11 Yinan Zhang , Raphael Tang , Jimmy Lin

We propose a method for joint multichannel speech dereverberation with two spatial-aware tasks: direction-of-arrival (DOA) estimation and speech separation. The proposed method addresses involved tasks as a sequence to sequence mapping…

音频与语音处理 · 电气工程与系统科学 2020-10-23 Yang Jiao

Pre-training models are an important tool in Natural Language Processing (NLP), while the BERT model is a classic pre-training model whose structure has been widely adopted by followers. It was even chosen as the reference model for the…

分布式、并行与集群计算 · 计算机科学 2022-08-18 Jinle Zeng , Min Li , Zhihua Wu , Jiaqi Liu , Yuang Liu , Dianhai Yu , Yanjun Ma

Attention-based models have shown significant improvement over traditional algorithms in several NLP tasks. The Transformer, for instance, is an illustrative example that generates abstract representations of tokens inputted to an encoder…

计算与语言 · 计算机科学 2019-11-15 Dhanasekar Sundararaman , Vivek Subramanian , Guoyin Wang , Shijing Si , Dinghan Shen , Dong Wang , Lawrence Carin

Bidirectional Encoder Representations from Transformers or BERT~\cite{devlin-etal-2019-bert} has been one of the base models for various NLP tasks due to its remarkable performance. Variants customized for different languages and tasks are…

计算与语言 · 计算机科学 2022-11-22 Ting Han , Kunhao Pan , Xinyu Chen , Dingjie Song , Yuchen Fan , Xinyu Gao , Ruyi Gan , Jiaxing Zhang

Recently, pre-trained language representation models such as bidirectional encoder representations from transformers (BERT) have been performing well in commonsense question answering (CSQA). However, there is a problem that the models do…

计算与语言 · 计算机科学 2022-11-15 Byeongmin Choi , YongHyun Lee , Yeunwoong Kyung , Eunchan Kim

Entity linking, the task of mapping textual mentions to known entities, has recently been tackled using contextualized neural networks. We address the question whether these results -- reported for large, high-quality datasets such as…

计算与语言 · 计算机科学 2020-05-20 Nadja Kurz , Felix Hamann , Adrian Ulges

Pre-trained contextual representations like BERT have achieved great success in natural language processing. However, the sentence embeddings from the pre-trained language models without fine-tuning have been found to poorly capture…

计算与语言 · 计算机科学 2020-11-12 Bohan Li , Hao Zhou , Junxian He , Mingxuan Wang , Yiming Yang , Lei Li

The ubiquity of the contemporary language understanding tasks gives relevance to the development of generalized, yet highly efficient models that utilize all knowledge, provided by the data source. In this work, we present SocialBERT - the…

计算与语言 · 计算机科学 2021-11-16 Ilia Karpov , Nick Kartashev

Pretraining Bidirectional Encoder Representations from Transformers (BERT) for downstream NLP tasks is a non-trival task. We pretrained 5 BERT models that differ in the size of their training sets, mixture of formal and informal Arabic, and…

计算与语言 · 计算机科学 2021-02-23 Ahmed Abdelali , Sabit Hassan , Hamdy Mubarak , Kareem Darwish , Younes Samih

This paper describes a language representation model which combines the Bidirectional Encoder Representations from Transformers (BERT) learning mechanism described in Devlin et al. (2018) with a generalization of the Universal Transformer…

计算与语言 · 计算机科学 2019-05-17 Alon Rozental , Zohar Kelrich , Daniel Fleischer

In parallel to their overwhelming success across NLP tasks, language ability of deep Transformer networks, pretrained via language modeling (LM) objectives has undergone extensive scrutiny. While probing revealed that these models encode a…

计算与语言 · 计算机科学 2021-10-19 Olga Majewska , Ivan Vulić , Goran Glavaš , Edoardo M. Ponti , Anna Korhonen

Although BERT is widely used by the NLP community, little is known about its inner workings. Several attempts have been made to shed light on certain aspects of BERT, often with contradicting conclusions. A much raised concern focuses on…

计算与语言 · 计算机科学 2020-10-13 Nikolaos Manginas , Ilias Chalkidis , Prodromos Malakasiotis

End-to-end (E2E) automatic speech recognition (ASR) systems often have difficulty recognizing uncommon words, that appear infrequently in the training data. One promising method, to improve the recognition accuracy on such rare words, is to…

Neural networks provide new possibilities to automatically learn complex language patterns and query-document relations. Neural IR models have achieved promising results in learning query-document relevance patterns, but few explorations…

信息检索 · 计算机科学 2019-05-23 Zhuyun Dai , Jamie Callan

Large-scale pre-trained language model such as BERT has achieved great success in language understanding tasks. However, it remains an open question how to utilize BERT for language generation. In this paper, we present a novel approach,…

计算与语言 · 计算机科学 2020-07-21 Yen-Chun Chen , Zhe Gan , Yu Cheng , Jingzhou Liu , Jingjing Liu

Recently, multilingual BERT works remarkably well on cross-lingual transfer tasks, superior to static non-contextualized word embeddings. In this work, we provide an in-depth experimental study to supplement the existing literature of…

计算与语言 · 计算机科学 2020-04-21 Chi-Liang Liu , Tsung-Yuan Hsu , Yung-Sung Chuang , Hung-Yi Lee

Bidirectional Encoder Representations from Transformers (BERT) has recently achieved state-of-the-art performance on a broad range of NLP tasks including sentence classification, machine translation, and question answering. The BERT model…

计算与语言 · 计算机科学 2020-03-17 Zhiheng Huang , Peng Xu , Davis Liang , Ajay Mishra , Bing Xiang

Large language models can produce powerful contextual representations that lead to improvements across many NLP tasks. Since these models are typically guided by a sequence of learned self attention mechanisms and may comprise undesired…

计算与语言 · 计算机科学 2019-10-14 Benjamin Hoover , Hendrik Strobelt , Sebastian Gehrmann