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Named Entity Recognition (NER) is a challenging task that extracts named entities from unstructured text data, including news, articles, social comments, etc. The NER system has been studied for decades. Recently, the development of Deep…

Computation and Language · Computer Science 2020-09-03 Jiuniu Wang , Wenjia Xu , Xingyu Fu , Guangluan Xu , Yirong Wu

Aspect Sentiment Triplet Extraction (ASTE) aims to extract the triplet of an aspect term, an opinion term, and their corresponding sentiment polarity from the review texts. Due to the complexity of language and the existence of multiple…

Information Retrieval · Computer Science 2023-06-21 Fan Yang , Mian Zhang , Gongzhen Hu , Xiabing Zhou

One key task of fine-grained sentiment analysis of product reviews is to extract product aspects or features that users have expressed opinions on. This paper focuses on supervised aspect extraction using deep learning. Unlike other highly…

Computation and Language · Computer Science 2018-05-15 Hu Xu , Bing Liu , Lei Shu , Philip S. Yu

This paper demonstrates end-to-end neural network architectures for Vietnamese named entity recognition. Our best model is a combination of bidirectional Long Short-Term Memory (Bi-LSTM), Convolutional Neural Network (CNN), Conditional…

Computation and Language · Computer Science 2017-07-24 Thai-Hoang Pham , Phuong Le-Hong

We investigate the incorporation of character-based word representations into a standard CNN-based relation extraction model. We experiment with two common neural architectures, CNN and LSTM, to learn word vector representations from…

Computation and Language · Computer Science 2018-05-29 Dat Quoc Nguyen , Karin Verspoor

Text classification, as the task consisting in assigning categories to textual instances, is a very common task in information science. Methods learning distributed representations of words, such as word embeddings, have become popular in…

Computation and Language · Computer Science 2020-12-15 Arkaitz Zubiaga

Machine reading comprehension is a task to model relationship between passage and query. In terms of deep learning framework, most of state-of-the-art models simply concatenate word and character level representations, which has been shown…

Computation and Language · Computer Science 2021-01-08 Zhuosheng Zhang , Yafang Huang , Pengfei Zhu , Hai Zhao

Shouldn't language and vision features be treated equally in vision-language (VL) tasks? Many VL approaches treat the language component as an afterthought, using simple language models that are either built upon fixed word embeddings…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Andrea Burns , Reuben Tan , Kate Saenko , Stan Sclaroff , Bryan A. Plummer

Target-oriented opinion words extraction (TOWE) (Fan et al., 2019b) is a new subtask of target-oriented sentiment analysis that aims to extract opinion words for a given aspect in text. Current state-of-the-art methods leverage position…

Computation and Language · Computer Science 2021-09-06 Samuel Mensah , Kai Sun , Nikolaos Aletras

Recent progress in large-scale pre-training has led to the development of advanced vision-language models (VLMs) with remarkable proficiency in comprehending and generating multimodal content. Despite the impressive ability to perform…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Hang Hua , Jing Shi , Kushal Kafle , Simon Jenni , Daoan Zhang , John Collomosse , Scott Cohen , Jiebo Luo

For named entity recognition (NER), bidirectional recurrent neural networks became the state-of-the-art technology in recent years. Competing approaches vary with respect to pre-trained word embeddings as well as models for character…

Computation and Language · Computer Science 2018-11-08 Gregor Wiedemann , Raghav Jindal , Chris Biemann

In Vietnamese dependency parsing, several methods have been proposed. Dependency parser which uses deep neural network model has been reported that achieved state-of-the-art results. In this paper, we proposed a new method which applies…

Computation and Language · Computer Science 2019-10-31 Binh Duc Nguyen , Kiet Van Nguyen , Ngan Luu-Thuy Nguyen

In recent years, after the neural-network-based method was proposed, the accuracy of the Chinese word segmentation task has made great progress. However, when dealing with out-of-vocabulary words, there is still a large error rate. We used…

Computation and Language · Computer Science 2019-01-18 Yung-Sung Chuang

Recently, neural network approaches for parsing have largely automated the combination of individual features, but still rely on (often a larger number of) atomic features created from human linguistic intuition, and potentially omitting…

Computation and Language · Computer Science 2016-06-22 James Cross , Liang Huang

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…

Computation and Language · Computer Science 2024-11-05 Jintang Xue , Yun-Cheng Wang , Chengwei Wei , C. -C. Jay Kuo

Character-based sequence labeling framework is flexible and efficient for Chinese word segmentation (CWS). Recently, many character-based neural models have been applied to CWS. While they obtain good performance, they have two obvious…

Computation and Language · Computer Science 2017-11-15 Chunqi Wang , Bo Xu

Sentence embeddings are crucial in measuring semantic similarity. Most recent studies employed large language models (LLMs) to learn sentence embeddings. Existing LLMs mainly adopted autoregressive architecture without explicit backward…

Computation and Language · Computer Science 2024-03-15 Xianming Li , Jing Li

While Large Language Models (LLMs) become ever more dominant, classic pre-trained word embeddings sustain their relevance through computational efficiency and nuanced linguistic interpretation. Drawing from recent studies demonstrating that…

Computation and Language · Computer Science 2023-11-21 Haoran Zhao , Jake Ryland Williams

Word embeddings have been a key building block for NLP in which models relied heavily on word embeddings in many different tasks. In this paper, a model is proposed based on using Bidirectional LSTM/CRF with word embeddings to perform named…

Computation and Language · Computer Science 2025-03-20 Omar E. Rakha , Hazem M. Abbas

We present a novel end-to-end framework for facial performance capture given a monocular video of an actor's face. Our framework are comprised of 2 parts. First, to extract the information in the frames, we optimize a triplet loss to learn…

Graphics · Computer Science 2018-12-27 Hsien-Yu Meng , Tzu-heng Lin , Xiubao Jiang , Yao Lu , Jiangtao Wen