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Word embedding, which encodes words into vectors, is an important starting point in natural language processing and commonly used in many text-based machine learning tasks. However, in most current word embedding approaches, the similarity…

计算与语言 · 计算机科学 2018-12-27 Denis Sedov , Zhirong Yang

Vector-space representations provide geometric tools for reasoning about the similarity of a set of objects and their relationships. Recent machine learning methods for deriving vector-space embeddings of words (e.g., word2vec) have…

计算与语言 · 计算机科学 2017-06-12 Dawn Chen , Joshua C. Peterson , Thomas L. Griffiths

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…

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.…

计算与语言 · 计算机科学 2018-11-12 Timo Schick , Hinrich Schütze

Learning representations of words in a continuous space is perhaps the most fundamental task in NLP, however words interact in ways much richer than vector dot product similarity can provide. Many relationships between words can be…

Discriminating lexical relations among distributionally similar words has always been a challenge for natural language processing (NLP) community. In this paper, we investigate whether the network embedding of distributional thesaurus can…

计算与语言 · 计算机科学 2020-02-27 Abhik Jana , Nikhil Reddy Varimalla , Pawan Goyal

Self-supervised word embedding algorithms such as word2vec provide a minimal setting for studying representation learning in language modeling. We examine the quartic Taylor approximation of the word2vec loss around the origin, and we show…

机器学习 · 计算机科学 2025-10-20 Dhruva Karkada , James B. Simon , Yasaman Bahri , Michael R. DeWeese

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…

分布式、并行与集群计算 · 计算机科学 2016-08-09 Shihao Ji , Nadathur Satish , Sheng Li , Pradeep Dubey

Tables contain valuable knowledge in a structured form. We employ neural language modeling approaches to embed tabular data into vector spaces. Specifically, we consider different table elements, such caption, column headings, and cells,…

信息检索 · 计算机科学 2019-06-04 Li Deng , Shuo Zhang , Krisztian Balog

To be able to interact better with humans, it is crucial for machines to understand sound - a primary modality of human perception. Previous works have used sound to learn embeddings for improved generic textual similarity assessment. In…

计算与语言 · 计算机科学 2017-08-30 Ashwin K Vijayakumar , Ramakrishna Vedantam , Devi Parikh

Word vector representations are central to deep learning natural language processing models. Many forms of these vectors, known as embeddings, exist, including word2vec and GloVe. Embeddings are trained on large corpora and learn the word's…

计算与语言 · 计算机科学 2020-07-16 Salvador E. Barbosa

We introduce word vectors for the construction domain. Our vectors were obtained by running word2vec on an 11M-word corpus that we created from scratch by leveraging freely-accessible online sources of construction-related text. We first…

计算与语言 · 计算机科学 2016-10-31 Antoine J. -P. Tixier , Michalis Vazirgiannis , Matthew R. Hallowell

We introduce language-driven image generation, the task of generating an image visualizing the semantic contents of a word embedding, e.g., given the word embedding of grasshopper, we generate a natural image of a grasshopper. We implement…

计算机视觉与模式识别 · 计算机科学 2015-11-24 Angeliki Lazaridou , Dat Tien Nguyen , Raffaella Bernardi , Marco Baroni

Analysis of word embedding properties to inform their use in downstream NLP tasks has largely been studied by assessing nearest neighbors. However, geometric properties of the continuous feature space contribute directly to the use of…

With a simple architecture and the ability to learn meaningful word embeddings efficiently from texts containing billions of words, word2vec remains one of the most popular neural language models used today. However, as only a single…

机器学习 · 统计学 2017-06-09 Franziska Horn

Latent semantic representations of words or paragraphs, namely the embeddings, have been widely applied to information retrieval (IR). One of the common approaches of utilizing embeddings for IR is to estimate the document-to-query (D2Q)…

信息检索 · 计算机科学 2017-08-11 Chenhao Yang , Ben He , Yanhua Ran

What is the relation between a word and its description, or a word and its embedding? Both descriptions and embeddings are semantic representations of words. But, what information from the original word remains in these representations? Or…

计算与语言 · 计算机科学 2022-05-17 Damir Korenčić , Ivan Grubišić

Distributed representations of words have been shown to capture lexical semantics, as demonstrated by their effectiveness in word similarity and analogical relation tasks. But, these tasks only evaluate lexical semantics indirectly. In this…

计算与语言 · 计算机科学 2016-12-02 Thanapon Noraset , Chen Liang , Larry Birnbaum , Doug Downey

Word embeddings are rich word representations, which in combination with deep neural networks, lead to large performance gains for many NLP tasks. However, word embeddings are represented by dense, real-valued vectors and they are therefore…

计算与语言 · 计算机科学 2019-12-24 Andreas Hanselowski , Iryna Gurevych

In this paper, we propose a novel deep neural network architecture, Speech2Vec, for learning fixed-length vector representations of audio segments excised from a speech corpus, where the vectors contain semantic information pertaining to…

计算与语言 · 计算机科学 2018-06-12 Yu-An Chung , James Glass