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Contextualized word representations, such as ELMo and BERT, were shown to perform well on various semantic and syntactic tasks. In this work, we tackle the task of unsupervised disentanglement between semantics and structure in neural…

Computation and Language · Computer Science 2021-03-15 Shauli Ravfogel , Yanai Elazar , Jacob Goldberger , Yoav Goldberg

Measuring semantic change has thus far remained a task where methods using contextual embeddings have struggled to improve upon simpler techniques relying only on static word vectors. Moreover, many of the previously proposed approaches…

Computation and Language · Computer Science 2023-09-07 Dallas Card

Distributed representations of words, better known as word embeddings, have become important building blocks for natural language processing tasks. Numerous studies are devoted to transferring the success of unsupervised word embeddings to…

Computation and Language · Computer Science 2018-11-28 Tianlin Liu , João Sedoc , Lyle Ungar

State of the art natural language processing tools are built on context-dependent word embeddings, but no direct method for evaluating these representations currently exists. Standard tasks and datasets for intrinsic evaluation of…

Recently, doc2vec has achieved excellent results in different tasks. In this paper, we present a context aware variant of doc2vec. We introduce a novel weight estimating mechanism that generates weights for each word occurrence according to…

Computation and Language · Computer Science 2017-07-07 Zhaocheng Zhu , Junfeng Hu

In this paper, we introduce a strategy for identifying textual saliency in large-scale language models applied to classification tasks. In visual networks where saliency is more well-studied, saliency is naturally localized through the…

Computation and Language · Computer Science 2023-08-11 Elizabeth M. Hou , Gregory Castanon

Word vector representations enable machines to encode human language for spoken language understanding and processing. Confusion2vec, motivated from human speech production and perception, is a word vector representation which encodes…

Computation and Language · Computer Science 2022-05-04 Prashanth Gurunath Shivakumar , Panayiotis Georgiou , Shrikanth Narayanan

Manner and result verbs encode different aspects of event structure and have been discussed in developmental work as a potentially informative distinction for studying early verb learning. However, this distinction remains difficult to…

We present Attract-Repel, an algorithm for improving the semantic quality of word vectors by injecting constraints extracted from lexical resources. Attract-Repel facilitates the use of constraints from mono- and cross-lingual resources,…

Computation and Language · Computer Science 2017-06-02 Nikola Mrkšić , Ivan Vulić , Diarmuid Ó Séaghdha , Ira Leviant , Roi Reichart , Milica Gašić , Anna Korhonen , Steve Young

In this work, we focus on a lightweight convolutional architecture that creates fixed-size vector embeddings of sentences. Such representations are useful for building NLP systems, including conversational agents. Our work derives from a…

Computation and Language · Computer Science 2018-08-06 Szymon Malik , Adrian Lancucki , Jan Chorowski

Existing methods to measure sentence similarity are faced with two challenges: (1) labeled datasets are usually limited in size, making them insufficient to train supervised neural models; (2) there is a training-test gap for unsupervised…

Computation and Language · Computer Science 2022-02-01 Xiaofei Sun , Yuxian Meng , Xiang Ao , Fei Wu , Tianwei Zhang , Jiwei Li , Chun Fan

We present RepRank, an unsupervised graph-based ranking model for extractive multi-document summarization in which the similarity between words, sentences, and word-to-sentence can be estimated by the distances between their vector…

Computation and Language · Computer Science 2023-07-25 Zongyi Li , Xiaoqing Zheng , Jun He

In this paper, we propose a new differentiable neural network alignment mechanism for text-dependent speaker verification which uses alignment models to produce a supervector representation of an utterance. Unlike previous works with…

Sound · Computer Science 2018-12-27 Victoria Mingote , Antonio Miguel , Alfonso Ortega , Eduardo Lleida

Image captioning has been recently gaining a lot of attention thanks to the impressive achievements shown by deep captioning architectures, which combine Convolutional Neural Networks to extract image representations, and Recurrent Neural…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Marcella Cornia , Lorenzo Baraldi , Giuseppe Serra , Rita Cucchiara

Sentence scoring aims at measuring the likelihood score of a sentence and is widely used in many natural language processing scenarios, like reranking, which is to select the best sentence from multiple candidates. Previous works on…

Computation and Language · Computer Science 2022-10-20 Kaitao Song , Yichong Leng , Xu Tan , Yicheng Zou , Tao Qin , Dongsheng Li

Although contextualized embeddings generated from large-scale pre-trained models perform well in many tasks, traditional static embeddings (e.g., Skip-gram, Word2Vec) still play an important role in low-resource and lightweight settings due…

Computation and Language · Computer Science 2023-03-24 Jiangbin Zheng , Yile Wang , Ge Wang , Jun Xia , Yufei Huang , Guojiang Zhao , Yue Zhang , Stan Z. Li

Automatic measuring of speaker sincerity degree is a novel research problem in computational paralinguistics. This paper proposes covariance-based feature vectors to model speech and ensembles of support vector regressors to estimate the…

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

State of the art approaches for (embedding based) unsupervised semantic search exploits either compositional similarity (of a query and a passage) or pair-wise word (or term) similarity (from the query and the passage). By design, word…

Computation and Language · Computer Science 2019-03-14 Md Faisal Mahbub Chowdhury , Vijil Chenthamarakshan , Rishav Chakravarti , Alfio M. Gliozzo

We present a set of metrics that utilize vision priors to effectively assess the performance of saliency methods on image classification tasks. To understand behavior in deep learning models, many methods provide visual saliency maps…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Rangel Daroya , Aaron Sun , Subhransu Maji