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Hyperbolic space is a geometry that is known to be well-suited for representation learning of data with an underlying hierarchical structure. In this paper, we present a novel hyperbolic distribution called \textit{pseudo-hyperbolic…

Machine Learning · Statistics 2019-05-13 Yoshihiro Nagano , Shoichiro Yamaguchi , Yasuhiro Fujita , Masanori Koyama

Word embeddings have been shown adept at capturing the semantic and syntactic regularities of the natural language text, as a result of which these representations have found their utility in a wide variety of downstream content analysis…

Computation and Language · Computer Science 2021-03-02 Kishlay Jha

The recently introduced continuous Skip-gram model is an efficient method for learning high-quality distributed vector representations that capture a large number of precise syntactic and semantic word relationships. In this paper we…

Computation and Language · Computer Science 2013-10-18 Tomas Mikolov , Ilya Sutskever , Kai Chen , Greg Corrado , Jeffrey Dean

Word embedding models offer continuous vector representations that can capture rich contextual semantics based on their word co-occurrence patterns. While these word vectors can provide very effective features used in many NLP tasks such as…

Computation and Language · Computer Science 2017-02-27 Cem Safak Sahin , Rajmonda S. Caceres , Brandon Oselio , William M. Campbell

Recent work on weighted model counting has been very successfully applied to the problem of probabilistic inference in Bayesian networks. The probability distribution is encoded into a Boolean normal form and compiled to a target language,…

Artificial Intelligence · Computer Science 2016-10-19 Giso H. Dal , Peter J. F. Lucas

Although contextualized embeddings generated from large-scale pre-trained models perform well in many tasks, traditional static embeddings (e.g., Skip-gram, Word2Vec) still play an important role in low-resource and lightweight settings due…

Computation and Language · Computer Science 2023-03-24 Jiangbin Zheng , Yile Wang , Ge Wang , Jun Xia , Yufei Huang , Guojiang Zhao , Yue Zhang , Stan Z. Li

The notions of concreteness and imageability, traditionally important in psycholinguistics, are gaining significance in semantic-oriented natural language processing tasks. In this paper we investigate the predictability of these two…

Computation and Language · Computer Science 2022-09-15 Nikola Ljubešić , Darja Fišer , Anita Peti-Stantić

Word embeddings have been shown to be useful across state-of-the-art systems in many natural language processing tasks, ranging from question answering systems to dependency parsing. (Herbelot and Vecchi, 2015) explored word embeddings and…

Computation and Language · Computer Science 2016-07-12 Franck Dernoncourt

This paper takes a step towards theoretical analysis of the relationship between word embeddings and context embeddings in models such as word2vec. We start from basic probabilistic assumptions on the nature of word vectors, context…

Machine Learning · Statistics 2019-02-27 Zhenisbek Assylbekov , Rustem Takhanov

Word embeddings, which represent a word as a point in a vector space, have become ubiquitous to several NLP tasks. A recent line of work uses bilingual (two languages) corpora to learn a different vector for each sense of a word, by…

Computation and Language · Computer Science 2017-06-27 Shyam Upadhyay , Kai-Wei Chang , Matt Taddy , Adam Kalai , James Zou

Recent work has begun exploring neural acoustic word embeddings---fixed-dimensional vector representations of arbitrary-length speech segments corresponding to words. Such embeddings are applicable to speech retrieval and recognition tasks,…

Computation and Language · Computer Science 2017-03-14 Wanjia He , Weiran Wang , Karen Livescu

Data representation is a fundamental task in machine learning. The representation of data affects the performance of the whole machine learning system. In a long history, the representation of data is done by feature engineering, and…

Computation and Language · Computer Science 2016-11-21 Siwei Lai

Unsupervised word embeddings have been shown to be valuable as features in supervised learning problems; however, their role in unsupervised problems has been less thoroughly explored. In this paper, we show that embeddings can likewise add…

Computation and Language · Computer Science 2015-03-24 Chu-Cheng Lin , Waleed Ammar , Chris Dyer , Lori Levin

Cross-lingual word sense disambiguation (WSD) tackles the challenge of disambiguating ambiguous words across languages given context. The pre-trained BERT embedding model has been proven to be effective in extracting contextual information…

Computation and Language · Computer Science 2020-12-11 Xingran Zhu

Word embeddings are a key component of high-performing natural language processing (NLP) systems, but it remains a challenge to learn good representations for novel words on the fly, i.e., for words that did not occur in the training data.…

Computation and Language · Computer Science 2018-11-12 Timo Schick , Hinrich Schütze

Word embedding has become essential for natural language processing as it boosts empirical performances of various tasks. However, recent research discovers that gender bias is incorporated in neural word embeddings, and downstream tasks…

Computation and Language · Computer Science 2019-11-26 Zekun Yang , Juan Feng

Distributed representations of words learned from text have proved to be successful in various natural language processing tasks in recent times. While some methods represent words as vectors computed from text using predictive model…

Computation and Language · Computer Science 2018-02-20 Abhik Jana , Pawan Goyal

Learning word representations has garnered greater attention in the recent past due to its diverse text applications. Word embeddings encapsulate the syntactic and semantic regularities of sentences. Modelling word embedding as multi-sense…

Computation and Language · Computer Science 2019-11-15 P. Jayashree , Ballijepalli Shreya , P. K. Srijith

Recent research has shown that static word embeddings can encode word frequency information. However, little has been studied about this phenomenon and its effects on downstream tasks. In the present work, we systematically study the…

Computation and Language · Computer Science 2023-10-23 Francisco Valentini , Juan Cruz Sosa , Diego Fernandez Slezak , Edgar Altszyler

We evaluate 8 different word embedding models on their usefulness for predicting the neural activation patterns associated with concrete nouns. The models we consider include an experiential model, based on crowd-sourced association data,…

Computation and Language · Computer Science 2017-11-28 Samira Abnar , Rasyan Ahmed , Max Mijnheer , Willem Zuidema