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Recent works on word representations mostly rely on predictive models. Distributed word representations (aka word embeddings) are trained to optimally predict the contexts in which the corresponding words tend to appear. Such models have…

计算与语言 · 计算机科学 2015-04-10 Rémi Lebret , Ronan Collobert

Event extraction is of practical utility in natural language processing. In the real world, it is a common phenomenon that multiple events existing in the same sentence, where extracting them are more difficult than extracting a single…

计算与语言 · 计算机科学 2022-12-19 Xiao Liu , Zhunchen Luo , Heyan Huang

Recently, the contrastive language-image pre-training, e.g., CLIP, has demonstrated promising results on various downstream tasks. The pre-trained model can capture enriched visual concepts for images by learning from a large scale of…

计算机视觉与模式识别 · 计算机科学 2023-06-21 Huaishao Luo , Junwei Bao , Youzheng Wu , Xiaodong He , Tianrui Li

We construct a multilingual common semantic space based on distributional semantics, where words from multiple languages are projected into a shared space to enable knowledge and resource transfer across languages. Beyond word alignment, we…

计算与语言 · 计算机科学 2018-04-24 Lifu Huang , Kyunghyun Cho , Boliang Zhang , Heng Ji , Kevin Knight

The meanings and relationships of words shift over time. This phenomenon is referred to as semantic shift. Research focused on understanding how semantic shifts occur over multiple time periods is essential for gaining a detailed…

计算与语言 · 计算机科学 2025-01-20 Hajime Kiyama , Taichi Aida , Mamoru Komachi , Toshinobu Ogiso , Hiroya Takamura , Daichi Mochihashi

Improving our understanding of how information is encoded in vector space can yield valuable interpretability insights. Alongside vector dimensions, we argue that it is possible for the vector norm to also carry linguistic information. We…

计算与语言 · 计算机科学 2022-10-25 Filip Klubička , John D. Kelleher

Pretraining sentence encoders with language modeling and related unsupervised tasks has recently been shown to be very effective for language understanding tasks. By supplementing language model-style pretraining with further training on…

计算与语言 · 计算机科学 2019-03-01 Jason Phang , Thibault Févry , Samuel R. Bowman

Word embeddings have gained significant attention as learnable representations of semantic relations between words, and have been shown to improve upon the results of traditional word representations. However, little effort has been devoted…

信息检索 · 计算机科学 2019-05-23 Gloria Feher , Andreas Spitz , Michael Gertz

This article focuses on the study of Word Embedding, a feature-learning technique in Natural Language Processing that maps words or phrases to low-dimensional vectors. Beginning with the linguistic theories concerning contextual…

计算与语言 · 计算机科学 2019-11-05 Xiaolei Lu , Bin Ni

Recently, the automatic prediction of personality traits has received increasing attention and has emerged as a hot topic within the field of affective computing. In this work, we present a novel deep learning-based approach for automated…

计算与语言 · 计算机科学 2020-10-06 Amirmohammad Kazameini , Samin Fatehi , Yash Mehta , Sauleh Eetemadi , Erik Cambria

Models based on the transformer architecture, such as BERT, have marked a crucial step forward in the field of Natural Language Processing. Importantly, they allow the creation of word embeddings that capture important semantic information…

计算与语言 · 计算机科学 2021-01-01 Jacob Turton , David Vinson , Robert Elliott Smith

Continuous vector representations of words and objects appear to carry surprisingly rich semantic content. In this paper, we advance both the conceptual and theoretical understanding of word embeddings in three ways. First, we ground…

计算与语言 · 计算机科学 2015-09-22 Tatsunori B. Hashimoto , David Alvarez-Melis , Tommi S. Jaakkola

Continuous space word embeddings have received a great deal of attention in the natural language processing and machine learning communities for their ability to model term similarity and other relationships. We study the use of term…

信息检索 · 计算机科学 2016-06-24 Fernando Diaz , Bhaskar Mitra , Nick Craswell

This paper presents the first unsupervised approach to lexical semantic change that makes use of contextualised word representations. We propose a novel method that exploits the BERT neural language model to obtain representations of word…

计算与语言 · 计算机科学 2020-10-21 Mario Giulianelli , Marco Del Tredici , Raquel Fernández

Methods for learning word representations using large text corpora have received much attention lately due to their impressive performance in numerous natural language processing (NLP) tasks such as, semantic similarity measurement, and…

计算与语言 · 计算机科学 2015-11-23 Danushka Bollegala , Alsuhaibani Mohammed , Takanori Maehara , Ken-ichi Kawarabayashi

Neural network-based representations ("embeddings") have dramatically advanced natural language processing (NLP) tasks, including clinical NLP tasks such as concept extraction. Recently, however, more advanced embedding methods and…

计算与语言 · 计算机科学 2019-08-15 Yuqi Si , Jingqi Wang , Hua Xu , Kirk Roberts

One of the most remarkable properties of word embeddings is the fact that they capture certain types of semantic and syntactic relationships. Recently, pre-trained language models such as BERT have achieved groundbreaking results across a…

计算与语言 · 计算机科学 2019-12-02 Zied Bouraoui , Jose Camacho-Collados , Steven Schockaert

Recognizing semantically similar sentences or paragraphs across languages is beneficial for many tasks, ranging from cross-lingual information retrieval and plagiarism detection to machine translation. Recently proposed methods for…

计算与语言 · 计算机科学 2018-01-22 Goran Glavaš , Marc Franco-Salvador , Simone Paolo Ponzetto , Paolo Rosso

Distributed representations of words have shown to be useful to improve the effectiveness of IR systems in many sub-tasks like query expansion, retrieval and ranking. Algorithms like word2vec, GloVe and others are also key factors in many…

信息检索 · 计算机科学 2019-09-05 Tommaso Teofili , Niyati Chhaya

Word embedding models such as Skip-gram learn a vector-space representation for each word, based on the local word collocation patterns that are observed in a text corpus. Latent topic models, on the other hand, take a more global view,…

计算与语言 · 计算机科学 2017-06-23 Bei Shi , Wai Lam , Shoaib Jameel , Steven Schockaert , Kwun Ping Lai