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This paper proposes a model to learn word embeddings with weighted contexts based on part-of-speech (POS) relevance weights. POS is a fundamental element in natural language. However, state-of-the-art word embedding models fail to consider…

Computation and Language · Computer Science 2016-03-25 Quan Liu , Zhen-Hua Ling , Hui Jiang , Yu Hu

Word embeddings and convolutional neural networks (CNN) have attracted extensive attention in various classification tasks for Twitter, e.g. sentiment classification. However, the effect of the configuration used to train and generate the…

Information Retrieval · Computer Science 2017-03-23 Xiao Yang , Craig Macdonald , Iadh Ounis

Understanding the meaning of words is crucial for many tasks that involve human-machine interaction. This has been tackled by research in Word Sense Disambiguation (WSD) in the Natural Language Processing (NLP) field. Recently, WSD and many…

Computation and Language · Computer Science 2020-02-26 María G. Buey , Carlos Bobed , Jorge Gracia , Eduardo Mena

We present the Siamese Continuous Bag of Words (Siamese CBOW) model, a neural network for efficient estimation of high-quality sentence embeddings. Averaging the embeddings of words in a sentence has proven to be a surprisingly successful…

Computation and Language · Computer Science 2016-06-16 Tom Kenter , Alexey Borisov , Maarten de Rijke

Dynamic contextualised word embeddings (DCWEs) represent the temporal semantic variations of words. We propose a method for learning DCWEs by time-adapting a pretrained Masked Language Model (MLM) using time-sensitive templates. Given two…

Computation and Language · Computer Science 2023-06-16 Xiaohang Tang , Yi Zhou , Danushka Bollegala

We propose an architecture to jointly learn word and label embeddings for slot filling in spoken language understanding. The proposed approach encodes labels using a combination of word embeddings and straightforward word-label association…

Computation and Language · Computer Science 2019-10-17 Jiewen Wu , Luis Fernando D'Haro , Nancy F. Chen , Pavitra Krishnaswamy , Rafael E. Banchs

Word embedding is an essential building block for deep learning methods for natural language processing. Although word embedding has been extensively studied over the years, the problem of how to effectively embed numerals, a special subset…

Computation and Language · Computer Science 2020-01-14 Chengyue Jiang , Zhonglin Nian , Kaihao Guo , Shanbo Chu , Yinggong Zhao , Libin Shen , Kewei Tu

Distributed representations of words encode lexical semantic information, but what type of information is encoded and how? Focusing on the skip-gram with negative-sampling method, we found that the squared norm of static word embedding…

Computation and Language · Computer Science 2023-11-03 Momose Oyama , Sho Yokoi , Hidetoshi Shimodaira

We present a variety of methods for training complex-valued word embeddings, based on the classical Skip-gram model, with a straightforward adaptation simply replacing the real-valued vectors with arbitrary vectors of complex numbers. In a…

Computation and Language · Computer Science 2024-12-19 Carys Harvey , Stephen Clark , Douglas Brown , Konstantinos Meichanetzidis

We propose a methodology that adapts graph embedding techniques (DeepWalk (Perozzi et al., 2014) and node2vec (Grover and Leskovec, 2016)) as well as cross-lingual vector space mapping approaches (Least Squares and Canonical Correlation…

Computation and Language · Computer Science 2017-07-25 Victor Prokhorov , Mohammad Taher Pilehvar , Dimitri Kartsaklis , Pietro Lió , Nigel Collier

Efficient representation of text documents is an important building block in many NLP tasks. Research on long text categorization has shown that simple weighted averaging of word vectors for sentence representation often outperforms more…

Computation and Language · Computer Science 2019-11-20 Vivek Gupta , Ankit Saw , Pegah Nokhiz , Harshit Gupta , Partha Talukdar

Foreign policy analysis has been struggling to find ways to measure policy preferences and paradigm shifts in international political systems. This paper presents a novel, potential solution to this challenge, through the application of a…

Computation and Language · Computer Science 2017-07-13 Stefano Gurciullo , Slava Mikhaylov

Most recent approaches use the sequence-to-sequence model for paraphrase generation. The existing sequence-to-sequence model tends to memorize the words and the patterns in the training dataset instead of learning the meaning of the words.…

Computation and Language · Computer Science 2018-04-02 Shuming Ma , Xu Sun , Wei Li , Sujian Li , Wenjie Li , Xuancheng Ren

Cross-lingual transfer of word embeddings aims to establish the semantic mappings among words in different languages by learning the transformation functions over the corresponding word embedding spaces. Successfully solving this problem…

Computation and Language · Computer Science 2018-09-12 Ruochen Xu , Yiming Yang , Naoki Otani , Yuexin Wu

The efficacy of self-supervised speech models has been validated, yet the optimal utilization of their representations remains challenging across diverse tasks. In this study, we delve into Acoustic Word Embeddings (AWEs), a fixed-length…

Computation and Language · Computer Science 2024-02-06 Alexandra Saliba , Yuanchao Li , Ramon Sanabria , Catherine Lai

Two task-specific dependency-based word embedding methods are proposed for text classification in this work. In contrast with universal word embedding methods that work for generic tasks, we design task-specific word embedding methods to…

Computation and Language · Computer Science 2021-10-27 Chengwei Wei , Bin Wang , C. -C. Jay Kuo

In embedding-matching acoustic-to-word (A2W) ASR, every word in the vocabulary is represented by a fixed-dimension embedding vector that can be added or removed independently of the rest of the system. The approach is potentially an elegant…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-21 Hao Yen , Woojay Jeon

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…

Computation and Language · Computer Science 2019-10-11 Jinghui Lu , Maeve Henchion , Brian Mac Namee

There are situations where data relevant to a machine learning problem are distributed among multiple locations that cannot share the data due to regulatory, competitiveness, or privacy reasons. For example, data present in users'…

Machine Learning · Computer Science 2020-08-27 Dimitris Stripelis , Jose Luis Ambite

Acoustic word embeddings --- fixed-dimensional vector representations of variable-length spoken word segments --- have begun to be considered for tasks such as speech recognition and query-by-example search. Such embeddings can be learned…

Computation and Language · Computer Science 2016-11-09 Shane Settle , Karen Livescu