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To improve the generalization of the representations for natural language processing tasks, words are commonly represented using vectors, where distances among the vectors are related to the similarity of the words. While word2vec, the…

Computation and Language · Computer Science 2020-03-20 Canlin Zhang , Xiuwen Liu , Daniel Bis

Distributed word embeddings have yielded state-of-the-art performance in many NLP tasks, mainly due to their success in capturing useful semantic information. These representations assign only a single vector to each word whereas a large…

Machine Learning · Computer Science 2020-02-04 Shobhit Jain , Sravan Babu Bodapati , Ramesh Nallapati , Anima Anandkumar

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

Distributional semantic models provide vector representations for words by gathering co-occurrence frequencies from corpora of text. Compositional distributional models extend these from words to phrases and sentences. In categorical…

Computation and Language · Computer Science 2018-10-10 Esma Balkir , Dimitri Kartsaklis , Mehrnoosh Sadrzadeh

We describe an approach for unsupervised learning of a generic, distributed sentence encoder. Using the continuity of text from books, we train an encoder-decoder model that tries to reconstruct the surrounding sentences of an encoded…

Computation and Language · Computer Science 2015-06-23 Ryan Kiros , Yukun Zhu , Ruslan Salakhutdinov , Richard S. Zemel , Antonio Torralba , Raquel Urtasun , Sanja Fidler

Word embedding is designed to represent the semantic meaning of a word with low dimensional vectors. The state-of-the-art methods of learning word embeddings (word2vec and GloVe) only use the word co-occurrence information. The learned…

Computation and Language · Computer Science 2018-09-11 Ruixuan Luo

The words-as-classifiers model of grounded lexical semantics learns a semantic fitness score between physical entities and the words that are used to denote those entities. In this paper, we explore how such a model can incrementally…

Computation and Language · Computer Science 2019-11-11 Daniele Moro , Stacy Black , Casey Kennington

We present a novel method for jointly learning compositional and non-compositional phrase embeddings by adaptively weighting both types of embeddings using a compositionality scoring function. The scoring function is used to quantify the…

Computation and Language · Computer Science 2016-06-09 Kazuma Hashimoto , Yoshimasa Tsuruoka

Skip-gram (word2vec) is a recent method for creating vector representations of words ("distributed word representations") using a neural network. The representation gained popularity in various areas of natural language processing, because…

Computation and Language · Computer Science 2020-07-09 Tom Kocmi , Ondřej Bojar

This paper connects a vector-based composition model to a formal semantics, the Dependency-based Compositional Semantics (DCS). We show theoretical evidence that the vector compositions in our model conform to the logic of DCS.…

Computation and Language · Computer Science 2016-06-09 Ran Tian , Naoaki Okazaki , Kentaro Inui

We propose a novel vector representation that integrates lexical contrast into distributional vectors and strengthens the most salient features for determining degrees of word similarity. The improved vectors significantly outperform…

Computation and Language · Computer Science 2016-05-26 Kim Anh Nguyen , Sabine Schulte im Walde , Ngoc Thang Vu

Most compositional distributional semantic models represent sentence meaning with a single vector. In this paper, we propose a Structured Distributional Model (SDM) that combines word embeddings with formal semantics and is based on the…

Computation and Language · Computer Science 2019-06-19 Emmanuele Chersoni , Enrico Santus , Ludovica Pannitto , Alessandro Lenci , Philippe Blache , Chu-Ren Huang

We show that the skip-gram embedding of any word can be decomposed into two subvectors which roughly correspond to semantic and syntactic roles of the word.

Computation and Language · Computer Science 2020-01-01 Maxat Tezekbayev , Zhenisbek Assylbekov , Rustem Takhanov

Recently, there has been a lot of effort to represent words in continuous vector spaces. Those representations have been shown to capture both semantic and syntactic information about words. However, distributed representations of phrases…

Computation and Language · Computer Science 2015-06-19 Rémi Lebret , Ronan Collobert

Recently proposed Skip-gram model is a powerful method for learning high-dimensional word representations that capture rich semantic relationships between words. However, Skip-gram as well as most prior work on learning word representations…

Computation and Language · Computer Science 2015-11-17 Sergey Bartunov , Dmitry Kondrashkin , Anton Osokin , Dmitry Vetrov

We extend the SKIP-GRAM model of Mikolov et al. (2013a) by taking visual information into account. Like SKIP-GRAM, our multimodal models (MMSKIP-GRAM) build vector-based word representations by learning to predict linguistic contexts in…

Computation and Language · Computer Science 2015-03-13 Angeliki Lazaridou , Nghia The Pham , Marco Baroni

We investigate the integration of word embeddings as classification features in the setting of large scale text classification. Such representations have been used in a plethora of tasks, however their application in classification…

Computation and Language · Computer Science 2016-06-22 Georgios Balikas , Massih-Reza Amini

Most conventional sentence similarity methods only focus on similar parts of two input sentences, and simply ignore the dissimilar parts, which usually give us some clues and semantic meanings about the sentences. In this work, we propose a…

Computation and Language · Computer Science 2017-07-18 Zhiguo Wang , Haitao Mi , Abraham Ittycheriah

We present Charagram embeddings, a simple approach for learning character-based compositional models to embed textual sequences. A word or sentence is represented using a character n-gram count vector, followed by a single nonlinear…

Computation and Language · Computer Science 2016-07-12 John Wieting , Mohit Bansal , Kevin Gimpel , Karen Livescu

We present a factorized compositional distributional semantics model for the representation of transitive verb constructions. Our model first produces (subject, verb) and (verb, object) vector representations based on the similarity of the…

Computation and Language · Computer Science 2016-09-27 Lilach Edelstein , Roi Reichart
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