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Multilingual (or cross-lingual) embeddings represent several languages in a unique vector space. Using a common embedding space enables for a shared semantic between words from different languages. In this paper, we propose to embed images…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Maxime Portaz , Hicham Randrianarivo , Adrien Nivaggioli , Estelle Maudet , Christophe Servan , Sylvain Peyronnet

Embedding words in a vector space has gained a lot of attention in recent years. While state-of-the-art methods provide efficient computation of word similarities via a low-dimensional matrix embedding, their motivation is often left…

计算与语言 · 计算机科学 2016-09-29 Shihao Ji , Hyokun Yun , Pinar Yanardag , Shin Matsushima , S. V. N. Vishwanathan

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…

计算与语言 · 计算机科学 2016-08-09 Shaohua Li , Tat-Seng Chua , Jun Zhu , Chunyan Miao

As a fundamental task in natural language processing, word embedding converts each word into a representation in a vector space. A challenge with word embedding is that as the vocabulary grows, the vector space's dimension increases, which…

计算与语言 · 计算机科学 2024-11-05 Jintang Xue , Yun-Cheng Wang , Chengwei Wei , C. -C. Jay Kuo

Word embeddings allow natural language processing systems to share statistical information across related words. These embeddings are typically based on distributional statistics, making it difficult for them to generalize to rare or unseen…

计算与语言 · 计算机科学 2016-09-27 Parminder Bhatia , Robert Guthrie , Jacob Eisenstein

Networks have been widely used as the data structure for abstracting real-world systems as well as organizing the relations among entities. Network embedding models are powerful tools in mapping nodes in a network into continuous…

社会与信息网络 · 计算机科学 2019-05-28 Ninghao Liu , Qiaoyu Tan , Yuening Li , Hongxia Yang , Jingren Zhou , Xia Hu

Since their inception, embeddings have become a primary ingredient in many flavours of Natural Language Processing (NLP) tasks supplanting earlier types of representation. Even though multilingual embeddings have been used for the…

计算与语言 · 计算机科学 2024-02-09 Kasun Wickramasinghe , Nisansa de Silva

We propose an explainable probabilistic framework for characterizing spoofed speech by decomposing it into probabilistic attribute embeddings. Unlike raw high-dimensional countermeasure embeddings, which lack interpretability, the proposed…

音频与语音处理 · 电气工程与系统科学 2025-06-03 Jagabandhu Mishra , Manasi Chhibber , Hye-jin Shim , Tomi H. Kinnunen

We present a probabilistic language model for time-stamped text data which tracks the semantic evolution of individual words over time. The model represents words and contexts by latent trajectories in an embedding space. At each moment in…

机器学习 · 统计学 2017-07-19 Robert Bamler , Stephan Mandt

Word embedding is a fundamental natural language processing task which can learn feature of words. However, most word embedding methods assign only one vector to a word, even if polysemous words have multi-senses. To address this…

计算与语言 · 计算机科学 2022-06-30 Yangxi Zhou , Junping Du , Zhe Xue , Ang Li , Zeli Guan

Word embeddings have been widely used in sentiment classification because of their efficacy for semantic representations of words. Given reviews from different domains, some existing methods for word embeddings exploit sentiment…

计算与语言 · 计算机科学 2018-05-11 Bei Shi , Zihao Fu , Lidong Bing , Wai Lam

Embeddings are a basic initial feature extraction step in many machine learning models, particularly in natural language processing. An embedding attempts to map data tokens to a low-dimensional space where similar tokens are mapped to…

机器学习 · 计算机科学 2025-04-10 Golara Ahmadi Azar , Melika Emami , Alyson Fletcher , Sundeep Rangan

Sentence embedding is a significant research topic in the field of natural language processing (NLP). Generating sentence embedding vectors reflecting the intrinsic meaning of a sentence is a key factor to achieve an enhanced performance in…

计算与语言 · 计算机科学 2019-01-17 Myeongjun Jang , Pilsung Kang

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…

计算与语言 · 计算机科学 2018-06-11 Ben Athiwaratkun , Andrew Gordon Wilson , Anima Anandkumar

During the last decade, entity embeddings have become ubiquitous in Artificial Intelligence. Such embeddings essentially serve as compact but semantically meaningful representations of the entities of interest. In most approaches, vectors…

人工智能 · 计算机科学 2021-09-15 Steven Schockaert

Cross-domain alignment play a key roles in tasks ranging from machine translation to transfer learning. Recently, purely unsupervised methods operating on monolingual embeddings have successfully been used to infer a bilingual lexicon…

计算与语言 · 计算机科学 2022-09-22 Aissatou Diallo , Johannes Fürnkranz

We present here new mechanisms for hashing data via binary embeddings. Contrary to most of the techniques presented before, the embedding matrix of our mechanism is highly structured. That enables us to perform hashing more efficiently and…

数据结构与算法 · 计算机科学 2015-05-14 Krzysztof Choromanski

In this paper we present a deep learning architecture for extracting word embeddings for visual speech recognition. The embeddings summarize the information of the mouth region that is relevant to the problem of word recognition, while…

计算机视觉与模式识别 · 计算机科学 2017-11-01 Themos Stafylakis , Georgios Tzimiropoulos

We present a family of neural-network--inspired models for computing continuous word representations, specifically designed to exploit both monolingual and multilingual text. This framework allows us to perform unsupervised training of…

计算与语言 · 计算机科学 2016-12-15 Radu Soricut , Nan Ding

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