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Word embedding models such as the skip-gram learn vector representations of words' semantic relationships, and document embedding models learn similar representations for documents. On the other hand, topic models provide latent…

Computation and Language · Computer Science 2019-09-12 Kamrun Naher Keya , Yannis Papanikolaou , James R. Foulds

In retrieval applications, binary hashes are known to offer significant improvements in terms of both memory and speed. We investigate the compression of sentence embeddings using a neural encoder-decoder architecture, which is trained by…

Information Retrieval · Computer Science 2019-08-16 Felix Hamann , Nadja Kurz , Adrian Ulges

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

We introduce Probabilistic FastText, a new model for word embeddings that can capture multiple word senses, sub-word structure, and uncertainty information. In particular, we represent each word with a Gaussian mixture density, where the…

Computation and Language · Computer Science 2018-06-11 Ben Athiwaratkun , Andrew Gordon Wilson , Anima Anandkumar

Current neural network-based methods to the problem of document summarisation struggle when applied to datasets containing large inputs. In this paper we propose a new approach to the challenge of content-selection when dealing with…

Computation and Language · Computer Science 2025-05-07 Maciej Zembrzuski , Saad Mahamood

There have been some works that learn a lexicon together with the corpus to improve the word embeddings. However, they either model the lexicon separately but update the neural networks for both the corpus and the lexicon by the same…

Computation and Language · Computer Science 2017-07-25 Yuanzhi Ke , Masafumi Hagiwara

Word embedding is a Natural Language Processing (NLP) technique that automatically maps words from a vocabulary to vectors of real numbers in an embedding space. It has been widely used in recent years to boost the performance of a vari-ety…

Computation and Language · Computer Science 2017-09-25 Arpita Roy , Youngja Park , SHimei Pan

We introduce a method for embedding words as probability densities in a low-dimensional space. Rather than assuming that a word embedding is fixed across the entire text collection, as in standard word embedding methods, in our Bayesian…

Computation and Language · Computer Science 2018-06-12 Arthur Bražinskas , Serhii Havrylov , Ivan Titov

Distributed word embeddings have shown superior performances in numerous Natural Language Processing (NLP) tasks. However, their performances vary significantly across different tasks, implying that the word embeddings learnt by those…

Computation and Language · Computer Science 2017-09-21 Danushka Bollegala , Kohei Hayashi , Ken-ichi Kawarabayashi

Cross-lingual word embeddings aim to bridge the gap between high-resource and low-resource languages by allowing to learn multilingual word representations even without using any direct bilingual signal. The lion's share of the methods are…

Computation and Language · Computer Science 2020-09-03 Magdalena Biesialska , Marta R. Costa-jussà

We propose a new fast word embedding technique using hash functions. The method is a derandomization of a new type of random projections: By disregarding the classic constraint used in designing random projections (i.e., preserving pairwise…

Computation and Language · Computer Science 2018-08-31 Behrang QasemiZadeh , Laura Kallmeyer

Word embeddings capture semantic relationships based on contextual information and are the basis for a wide variety of natural language processing applications. Notably these relationships are solely learned from the data and subsequently…

Computation and Language · Computer Science 2020-01-15 Stephanie Brandl , David Lassner , Maximilian Alber

Continuous word representation (aka word embedding) is a basic building block in many neural network-based models used in natural language processing tasks. Although it is widely accepted that words with similar semantics should be close to…

Computation and Language · Computer Science 2020-03-18 Chengyue Gong , Di He , Xu Tan , Tao Qin , Liwei Wang , Tie-Yan Liu

In neural network-based models for natural language processing (NLP), the largest part of the parameters often consists of word embeddings. Conventional models prepare a large embedding matrix whose size depends on the vocabulary size.…

Computation and Language · Computer Science 2020-10-26 Sho Takase , Sosuke Kobayashi

This paper contributes a new State Of The Art (SOTA) for Semantic Textual Similarity (STS). We compare and combine a number of recently proposed sentence embedding methods for STS, and propose a novel and simple ensemble knowledge…

Computation and Language · Computer Science 2021-04-15 Fredrik Carlsson Magnus Sahlgren

We propose a novel scheme for improving the word recognition accuracy using word image embeddings. We use a trained text recognizer, which can predict multiple text hypothesis for a given word image. Our fusion scheme improves the…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Siddhant Bansal , Praveen Krishnan , C. V. Jawahar

Regularization of neural machine translation is still a significant problem, especially in low-resource settings. To mollify this problem, we propose regressing word embeddings (ReWE) as a new regularization technique in a system that is…

Computation and Language · Computer Science 2019-04-05 Inigo Jauregi Unanue , Ehsan Zare Borzeshi , Nazanin Esmaili , Massimo Piccardi

Word embeddings represent a transformative technology for analyzing text data in social work research, offering sophisticated tools for understanding case notes, policy documents, research literature, and other text-based materials. This…

Computation and Language · Computer Science 2024-11-12 Brian E. Perron , Kelley A. Rivenburgh , Bryan G. Victor , Zia Qi , Hui Luan

A topic model is often formulated as a generative model that explains how each word of a document is generated given a set of topics and document-specific topic proportions. It is focused on capturing the word co-occurrences in a document…

Machine Learning · Computer Science 2022-03-16 Dongsheng Wang , Dandan Guo , He Zhao , Huangjie Zheng , Korawat Tanwisuth , Bo Chen , Mingyuan Zhou

Word embeddings are reliable feature representations of words used to obtain high quality results for various NLP applications. Uncontextualized word embeddings are used in many NLP tasks today, especially in resource-limited settings where…

Computation and Language · Computer Science 2020-11-16 Kian Kenyon-Dean , Edward Newell , Jackie Chi Kit Cheung
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