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This introduction aims to tell the story of how we put words into computers. It is part of the story of the field of natural language processing (NLP), a branch of artificial intelligence. It targets a wide audience with a basic…

计算与语言 · 计算机科学 2020-04-20 Noah A. Smith

Language model (LM) pre-training is useful in many language processing tasks. But can pre-trained LMs be further leveraged for more general machine learning problems? We propose an approach for using LMs to scaffold learning and…

We examine the benefits of visual context in training neural language models to perform next-word prediction. A multi-modal neural architecture is introduced that outperform its equivalent trained on language alone with a 2\% decrease in…

计算与语言 · 计算机科学 2019-06-05 Alexander G. Ororbia , Ankur Mali , Matthew A. Kelly , David Reitter

Distributed word representations have been demonstrated to be effective in capturing semantic and syntactic regularities. Unsupervised representation learning from large unlabeled corpora can learn similar representations for those words…

计算与语言 · 计算机科学 2015-12-01 Chunting Zhou , Chonglin Sun , Zhiyuan Liu , Francis C. M. Lau

We tackle the problem of identifying metaphors in text, treated as a sequence tagging task. The pre-trained word embeddings GloVe, ELMo and BERT have individually shown good performance on sequential metaphor identification. These…

计算与语言 · 计算机科学 2021-04-08 Rui Mao , Chenghua Lin , Frank Guerin

We propose yet another entity linking model (YELM) which links words to entities instead of spans. This overcomes any difficulties associated with the selection of good candidate mention spans and makes the joint training of mention…

计算与语言 · 计算机科学 2020-11-10 Haotian Chen , Andrej Zukov-Gregoric , Xi David Li , Sahil Wadhwa

How does word frequency in pre-training data affect the behavior of similarity metrics in contextualized BERT embeddings? Are there systematic ways in which some word relationships are exaggerated or understated? In this work, we explore…

计算与语言 · 计算机科学 2021-04-20 Kaitlyn Zhou , Kawin Ethayarajh , Dan Jurafsky

An important question concerning contextualized word embedding (CWE) models like BERT is how well they can represent different word senses, especially those in the long tail of uncommon senses. Rather than build a WSD system as in previous…

计算与语言 · 计算机科学 2021-09-22 Luke Gessler , Nathan Schneider

As an ubiquitous method in natural language processing, word embeddings are extensively employed to map semantic properties of words into a dense vector representation. They capture semantic and syntactic relations among words but the…

计算与语言 · 计算机科学 2020-07-03 Lutfi Kerem Senel , Ihsan Utlu , Furkan Şahinuç , Haldun M. Ozaktas , Aykut Koç

Pivot-based neural representation models have lead to significant progress in domain adaptation for NLP. However, previous works that follow this approach utilize only labeled data from the source domain and unlabeled data from the source…

计算与语言 · 计算机科学 2020-06-17 Eyal Ben-David , Carmel Rabinovitz , Roi Reichart

While word embeddings are currently predominant for natural language processing, most of existing models learn them solely from their contexts. However, these context-based word embeddings are limited since not all words' meaning can be…

计算与语言 · 计算机科学 2016-08-23 Jifan Chen , Kan Chen , Xipeng Qiu , Qi Zhang , Xuanjing Huang , Zheng Zhang

Active learning has been shown to be an effective way to alleviate some of the effort required in utilising large collections of unlabelled data for machine learning tasks without needing to fully label them. The representation mechanism…

信息检索 · 计算机科学 2020-04-29 Jinghui Lu , Brian MacNamee

Contextual word representations derived from large-scale neural language models are successful across a diverse set of NLP tasks, suggesting that they encode useful and transferable features of language. To shed light on the linguistic…

计算与语言 · 计算机科学 2019-04-29 Nelson F. Liu , Matt Gardner , Yonatan Belinkov , Matthew E. Peters , Noah A. Smith

Tremendous amounts of multimedia associated with speech information are driving an urgent need to develop efficient and effective automatic summarization methods. To this end, we have seen rapid progress in applying supervised deep neural…

计算与语言 · 计算机科学 2020-06-03 Shi-Yan Weng , Tien-Hong Lo , Berlin Chen

Distributed representations of words have been shown to capture lexical semantics, as demonstrated by their effectiveness in word similarity and analogical relation tasks. But, these tasks only evaluate lexical semantics indirectly. In this…

计算与语言 · 计算机科学 2016-12-02 Thanapon Noraset , Chen Liang , Larry Birnbaum , Doug Downey

We propose two methods of learning vector representations of words and phrases that each combine sentence context with structural features extracted from dependency trees. Using several variations of neural network classifier, we show that…

计算与语言 · 计算机科学 2015-11-20 James Cross , Bing Xiang , Bowen Zhou

Neural network techniques are widely applied to obtain high-quality distributed representations of words, i.e., word embeddings, to address text mining, information retrieval, and natural language processing tasks. Recently, efficient…

计算与语言 · 计算机科学 2014-09-08 Qing Cui , Bin Gao , Jiang Bian , Siyu Qiu , Tie-Yan Liu

We present a novel online algorithm that learns the essence of each dimension in word embeddings by minimizing the within-group distance of contextualized embedding groups. Three state-of-the-art neural-based language models are used,…

计算与语言 · 计算机科学 2020-05-26 Xinyi Jiang , Zhengzhe Yang , Jinho D. Choi

Recent work on predicting category structure with distributional models, using either static word embeddings (Heyman and Heyman, 2019) or contextualized language models (CLMs) (Misra et al., 2021), report low correlations with human…

机器学习 · 计算机科学 2023-02-15 Joseph Renner , Pascal Denis , Rémi Gilleron , Angèle Brunellière

We propose a principle for exploring context in machine learning models. Starting with a simple assumption that each observation may or may not depend on its context, a conditional probability distribution is decomposed into two parts:…

机器学习 · 计算机科学 2019-01-23 Yun Zeng