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There is a lot of research interest in encoding variable length sentences into fixed length vectors, in a way that preserves the sentence meanings. Two common methods include representations based on averaging word vectors, and…

计算与语言 · 计算机科学 2017-02-10 Yossi Adi , Einat Kermany , Yonatan Belinkov , Ofer Lavi , Yoav Goldberg

Learned vector representations of words are useful tools for many information retrieval and natural language processing tasks due to their ability to capture lexical semantics. However, while many such tasks involve or even rely on named…

计算与语言 · 计算机科学 2020-02-13 Satya Almasian , Andreas Spitz , Michael Gertz

A wide variety of orthographic coding schemes and models of visual word identification have been developed to account for masked priming data that provide a measure of orthographic similarity between letter strings. These models tend to…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Dong Yin , Valerio Biscione , Jeffrey Bowers

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,…

计算与语言 · 计算机科学 2017-03-14 Wanjia He , Weiran Wang , Karen Livescu

Co-occurrence statistics based word embedding techniques have proved to be very useful in extracting the semantic and syntactic representation of words as low dimensional continuous vectors. In this work, we discovered that dictionary…

计算与语言 · 计算机科学 2021-03-16 Juexiao Zhang , Yubei Chen , Brian Cheung , Bruno A Olshausen

Word2Vec is a prominent model for natural language processing (NLP) tasks. Similar inspiration is found in distributed embeddings for new state-of-the-art (SotA) deep neural networks. However, wrong combination of hyper-parameters can…

计算与语言 · 计算机科学 2021-04-20 Tosin P. Adewumi , Foteini Liwicki , Marcus Liwicki

Manually labelling large collections of text data is a time-consuming, expensive, and laborious task, but one that is necessary to support machine learning based on text datasets. Active learning has been shown to be an effective way to…

计算与语言 · 计算机科学 2019-10-11 Jinghui Lu , Maeve Henchion , Brian Mac Namee

Purpose: This study aimed to enhance protein sequence classification using natural language processing (NLP) techniques while addressing the impact of sequence similarity on model performance. We compared various machine learning and deep…

定量方法 · 定量生物学 2025-05-26 Huma Perveen , Julie Weeds

Active learning has been shown to be an effective way to alleviate some of the effort required in utilising large collections of unlabelled data for machine learning tasks without needing to fully label them. The representation mechanism…

信息检索 · 计算机科学 2020-04-29 Jinghui Lu , Brian MacNamee

Many words have evolved in meaning as a result of cultural and social change. Understanding such changes is crucial for modelling language and cultural evolution. Low-dimensional embedding methods have shown promise in detecting words'…

计算与语言 · 计算机科学 2019-10-22 Xiaofei Xu , Ke Deng , Fei Hu , Li Li

Word spotting has become a field of strong research interest in document image analysis over the last years. Recently, AttributeSVMs were proposed which predict a binary attribute representation. At their time, this influential method…

计算机视觉与模式识别 · 计算机科学 2017-12-21 Sebastian Sudholt , Gernot Fink

We present SeVeN (Semantic Vector Networks), a hybrid resource that encodes relationships between words in the form of a graph. Different from traditional semantic networks, these relations are represented as vectors in a continuous vector…

计算与语言 · 计算机科学 2018-08-21 Luis Espinosa-Anke , Steven Schockaert

A key initial step in several natural language processing (NLP) tasks involves embedding phrases of text to vectors of real numbers that preserve semantic meaning. To that end, several methods have been recently proposed with impressive…

计算与语言 · 计算机科学 2019-04-26 Rohit Voleti , Julie M. Liss , Visar Berisha

Static word embeddings that represent words by a single vector cannot capture the variability of word meaning in different linguistic and extralinguistic contexts. Building on prior work on contextualized and dynamic word embeddings, we…

计算与语言 · 计算机科学 2021-06-09 Valentin Hofmann , Janet B. Pierrehumbert , Hinrich Schütze

Contrastive learning has recently established itself as a powerful self-supervised learning framework for extracting rich and versatile data representations. Broadly speaking, contrastive learning relies on a data augmentation scheme to…

机器学习 · 计算机科学 2023-05-02 Ilgee Hong , Huy Tran , Claire Donnat

Distributed word representations are popularly used in many tasks in natural language processing. Adding that pretrained word vectors on huge text corpus achieved high performance in many different NLP tasks. This paper introduces multiple…

计算与语言 · 计算机科学 2022-03-11 Hadi Abdine , Christos Xypolopoulos , Moussa Kamal Eddine , Michalis Vazirgiannis

Word embedding algorithms produce very reliable feature representations of words that are used by neural network models across a constantly growing multitude of NLP tasks. As such, it is imperative for NLP practitioners to understand how…

计算与语言 · 计算机科学 2019-11-11 Kian Kenyon-Dean

In this paper we propose the application of feature hashing to create word embeddings for natural language processing. Feature hashing has been used successfully to create document vectors in related tasks like document classification. In…

计算与语言 · 计算机科学 2017-04-18 Luis Argerich , Joaquín Torré Zaffaroni , Matías J Cano

Learning visual representations with interpretable features, i.e., disentangled representations, remains a challenging problem. Existing methods demonstrate some success but are hard to apply to large-scale vision datasets like ImageNet. In…

机器学习 · 计算机科学 2023-06-01 Lilian Ngweta , Subha Maity , Alex Gittens , Yuekai Sun , Mikhail Yurochkin

Word embeddings are a fixed, distributional representation of the context of words in a corpus learned from word co-occurrences. Despite their proven utility in machine learning tasks, word embedding models may capture uneven semantic and…

计算与语言 · 计算机科学 2021-10-07 James Powell , Kari Sentz , Martin Klein
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