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We approach the problem of generalizing pre-trained word embeddings beyond fixed-size vocabularies without using additional contextual information. We propose a subword-level word vector generation model that views words as bags of…

Computation and Language · Computer Science 2018-09-13 Jinman Zhao , Sidharth Mudgal , Yingyu Liang

Continuous word representations, trained on large unlabeled corpora are useful for many natural language processing tasks. Popular models that learn such representations ignore the morphology of words, by assigning a distinct vector to each…

Computation and Language · Computer Science 2017-06-20 Piotr Bojanowski , Edouard Grave , Armand Joulin , Tomas Mikolov

Word embedding maps words into a low-dimensional continuous embedding space by exploiting the local word collocation patterns in a small context window. On the other hand, topic modeling maps documents onto a low-dimensional topic space, by…

Computation and Language · Computer Science 2016-08-09 Shaohua Li , Tat-Seng Chua , Jun Zhu , Chunyan Miao

We propose a novel generative model to explore both local and global context for joint learning topics and topic-specific word embeddings. In particular, we assume that global latent topics are shared across documents, a word is generated…

Computation and Language · Computer Science 2020-08-12 Lixing Zhu , Yulan He , Deyu Zhou

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…

Computation and Language · Computer Science 2019-11-05 Xiaolei Lu , Bin Ni

Vector representations of words have heralded a transformational approach to classical problems in NLP; the most popular example is word2vec. However, a single vector does not suffice to model the polysemous nature of many (frequent) words,…

Computation and Language · Computer Science 2016-10-25 Jiaqi Mu , Suma Bhat , Pramod Viswanath

Word embeddings are now ubiquitous forms of word representation in natural language processing. There have been applications of word embeddings for monolingual word sense disambiguation (WSD) in English, but few comparisons have been done.…

Computation and Language · Computer Science 2017-04-11 Hong Jin Kang , Tao Chen , Muthu Kumar Chandrasekaran , Min-Yen Kan

Word sense induction (WSI), which addresses polysemy by unsupervised discovery of multiple word senses, resolves ambiguities for downstream NLP tasks and also makes word representations more interpretable. This paper proposes an accurate…

Computation and Language · Computer Science 2018-05-31 Haw-Shiuan Chang , Amol Agrawal , Ananya Ganesh , Anirudha Desai , Vinayak Mathur , Alfred Hough , Andrew McCallum

In this paper, we introduce a variation of the skip-gram model which jointly learns distributed word vector representations and their way of composing to form phrase embeddings. In particular, we propose a learning procedure that…

Computation and Language · Computer Science 2016-07-22 Xiaochang Peng , Daniel Gildea

Word embeddings -- distributed representations of words -- in deep learning are beneficial for many tasks in natural language processing (NLP). However, different embedding sets vary greatly in quality and characteristics of the captured…

Computation and Language · Computer Science 2015-12-31 Wenpeng Yin , Hinrich Schütze

Several techniques to map various types of components, such as words, attributes, and images, into the embedded space have been studied. Most of them estimate the embedded representation of target entity as a point in the projective space.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-09 Ryotaro Shimizu , Masanari Kimura , Masayuki Goto

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

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

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

Logical query answering over Knowledge Graphs (KGs) is a fundamental yet complex task. A promising approach to achieve this is to embed queries and entities jointly into the same embedding space. Research along this line suggests that using…

Information Retrieval · Computer Science 2024-03-29 Yuhan Wu , Yuanyuan Xu , Wenjie Zhang , Xiwei Xu , Ying Zhang

Most existing word embedding methods can be categorized into Neural Embedding Models and Matrix Factorization (MF)-based methods. However some models are opaque to probabilistic interpretation, and MF-based methods, typically solved using…

Computation and Language · Computer Science 2015-08-18 Shaohua Li , Jun Zhu , Chunyan Miao

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

Neural word representations have proven useful in Natural Language Processing (NLP) tasks due to their ability to efficiently model complex semantic and syntactic word relationships. However, most techniques model only one representation…

Computation and Language · Computer Science 2015-11-23 Andrew Trask , Phil Michalak , John Liu

Dense vector representations for sentences made significant progress in recent years as can be seen on sentence similarity tasks. Real-world phrase retrieval applications, on the other hand, still encounter challenges for effective use of…

Computation and Language · Computer Science 2024-05-14 Eyal Orbach , Lev Haikin , Nelly David , Avi Faizakof

In this paper, we introduce personalized word embeddings, and examine their value for language modeling. We compare the performance of our proposed prediction model when using personalized versus generic word representations, and study how…

Computation and Language · Computer Science 2020-11-13 Charles Welch , Jonathan K. Kummerfeld , Verónica Pérez-Rosas , Rada Mihalcea