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Uncontextualized word embeddings are reliable feature representations of words used to obtain high quality results for various NLP applications. Given the historical success of word embeddings in NLP, we propose a retrospective on some of…

Computation and Language · Computer Science 2019-12-02 Edward Newell , Kian Kenyon-Dean , Jackie Chi Kit Cheung

Nowadays, search engine users commonly rely on query suggestions to improve their initial inputs. Current systems are very good at recommending lexical adaptations or spelling corrections to users' queries. However, they often struggle to…

Information Retrieval · Computer Science 2023-01-24 Jorge Gabín , M. Eduardo Ares , Javier Parapar

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

Distributed representations of words as real-valued vectors in a relatively low-dimensional space aim at extracting syntactic and semantic features from large text corpora. A recently introduced neural network, named word2vec (Mikolov et…

Computation and Language · Computer Science 2015-08-11 Adriaan M. J. Schakel , Benjamin J. Wilson

Word embeddings and language models have transformed natural language processing (NLP) by facilitating the representation of linguistic elements in continuous vector spaces. This review visits foundational concepts such as the…

Text word embeddings that encode distributional semantics work by modeling contextual similarities of frequently occurring words. Acoustic word embeddings, on the other hand, typically encode low-level phonetic similarities. Semantic…

Computation and Language · Computer Science 2024-07-03 Mohammad Amaan Sayeed , Hanan Aldarmaki

Word2Vec is a widely used algorithm for extracting low-dimensional vector representations of words. It generated considerable excitement in the machine learning and natural language processing (NLP) communities recently due to its…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-08-09 Shihao Ji , Nadathur Satish , Sheng Li , Pradeep Dubey

Vector representations of graphs and relational structures, whether hand-crafted feature vectors or learned representations, enable us to apply standard data analysis and machine learning techniques to the structures. A wide range of…

Machine Learning · Computer Science 2020-03-31 Martin Grohe

Word2vec (Mikolov et al., 2013) has proven to be successful in natural language processing by capturing the semantic relationships between different words. Built on top of single-word embeddings, paragraph vectors (Le and Mikolov, 2014)…

Computation and Language · Computer Science 2017-12-11 Geng Ji , Robert Bamler , Erik B. Sudderth , Stephan Mandt

Latent Dirichlet Allocation (LDA) mining thematic structure of documents plays an important role in nature language processing and machine learning areas. However, the probability distribution from LDA only describes the statistical…

Computation and Language · Computer Science 2015-06-30 Li-Qiang Niu , Xin-Yu Dai

Recent advances in neural word embedding provide significant benefit to various information retrieval tasks. However as shown by recent studies, adapting the embedding models for the needs of IR tasks can bring considerable further…

Information Retrieval · Computer Science 2018-04-05 Navid Rekabsaz , Bhaskar Mitra , Mihai Lupu , Allan Hanbury

Due to their ease of use and high accuracy, Word2Vec (W2V) word embeddings enjoy great success in the semantic representation of words, sentences, and whole documents as well as for semantic similarity estimation. However, they have the…

Computation and Language · Computer Science 2024-01-10 Tim vor der Brück , Marc Pouly

The goal of formalization, proposed in this paper, is to bring together, as near as possible, the theoretic linguistic problem of synonym conception and the computer linguistic methods based generally on empirical intuitive unjustified…

Computation and Language · Computer Science 2018-03-06 Andrew Krizhanovsky , Alexander Kirillov

Previous studies have demonstrated the empirical success of word embeddings in various applications. In this paper, we investigate the problem of learning distributed representations for text documents which many machine learning algorithms…

Computation and Language · Computer Science 2017-09-29 Bin Bi , Hao Ma

The ability to extract high-quality translation dictionaries from monolingual word embedding spaces depends critically on the geometric similarity of the spaces -- their degree of "isomorphism." We address the root-cause of faulty…

Computation and Language · Computer Science 2023-07-06 Kelly Marchisio , Neha Verma , Kevin Duh , Philipp Koehn

Word2vec is one of the most used algorithms to generate word embeddings because of a good mix of efficiency, quality of the generated representations and cognitive grounding. However, word meaning is not static and depends on the context in…

Artificial Intelligence · Computer Science 2020-04-15 Federico Bianchi , Valerio Di Carlo , Paolo Nicoli , Matteo Palmonari

We propose a new application of embedding techniques for problem retrieval in adaptive tutoring. The objective is to retrieve problems whose mathematical concepts are similar. There are two challenges: First, like sentences, problems…

Computers and Society · Computer Science 2020-03-25 Du Su , Ali Yekkehkhany , Yi Lu , Wenmiao Lu

Conventional text classification models make a bag-of-words assumption reducing text into word occurrence counts per document. Recent algorithms such as word2vec are capable of learning semantic meaning and similarity between words in an…

Computation and Language · Computer Science 2018-07-11 Vincent Major , Alisa Surkis , Yindalon Aphinyanaphongs

Enabling machines to respond appropriately to natural language commands could greatly expand the number of people to whom they could be of service. Recently, advances in neural network-trained word embeddings have empowered non-embodied…

Computation and Language · Computer Science 2020-06-02 David Matthews , Sam Kriegman , Collin Cappelle , Josh Bongard

Sentence embedding is one of the most fundamental tasks in Natural Language Processing and plays an important role in various tasks. The recent breakthrough in sentence embedding is achieved by pre-trained language models (PLMs). Despite…

Computation and Language · Computer Science 2023-06-06 Lingfeng Shen , Haiyun Jiang , Lemao Liu , Shuming Shi