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In this paper, we present a feature-based named-entity recognition (NER) model that achieves the start-of-the-art accuracy for Vietnamese language. We combine word, word-shape features, PoS, chunk, Brown-cluster-based features, and…

Computation and Language · Computer Science 2018-03-13 Pham Quang Nhat Minh

Chinese calligraphy is the writing of Chinese characters as an art form performed with brushes so Chinese characters are rich of shapes and details. Recent studies show that Chinese characters can be generated through image-to-image…

Computer Vision and Pattern Recognition · Computer Science 2020-05-27 Shan-Jean Wu , Chih-Yuan Yang , Jane Yung-jen Hsu

To better handle long-tail cases in the sequence labeling (SL) task, in this work, we introduce graph neural networks sequence labeling (GNN-SL), which augments the vanilla SL model output with similar tagging examples retrieved from the…

Computation and Language · Computer Science 2022-12-13 Shuhe Wang , Yuxian Meng , Rongbin Ouyang , Jiwei Li , Tianwei Zhang , Lingjuan Lyu , Guoyin Wang

Online handwritten Chinese text recognition (OHCTR) is a challenging problem as it involves a large-scale character set, ambiguous segmentation, and variable-length input sequences. In this paper, we exploit the outstanding capability of…

Computer Vision and Pattern Recognition · Computer Science 2017-05-26 Zecheng Xie , Zenghui Sun , Lianwen Jin , Hao Ni , Terry Lyons

This paper presents an online method for joint channel estimation and decoding in massive MIMO-OFDM systems using complex-valued neural networks (CVNNs). The study evaluates the performance of various CVNNs, such as the complex-valued…

In this paper, we present an effective method to analyze the recognition confidence of handwritten Chinese character, based on the softmax regression score of a high performance convolutional neural networks (CNN). Through careful and…

Computer Vision and Pattern Recognition · Computer Science 2015-05-26 Meijun He , Shuye Zhang , Huiyun Mao , Lianwen Jin

We propose a novel and principled hybrid CNN+CRF model for stereo estimation. Our model allows to exploit the advantages of both, convolutional neural networks (CNNs) and conditional random fields (CRFs) in an unified approach. The CNNs…

Computer Vision and Pattern Recognition · Computer Science 2017-05-04 Patrick Knöbelreiter , Christian Reinbacher , Alexander Shekhovtsov , Thomas Pock

In this paper, a new deep reinforcement learning based augmented general sequence tagging system is proposed. The new system contains two parts: a deep neural network (DNN) based sequence tagging model and a deep reinforcement learning…

Machine Learning · Computer Science 2018-12-27 Yu Wang , Abhishek Patel , Hongxia Jin

Multimodal sarcasm detection has recently garnered significant attention. However, existing benchmarks suffer from coarse-grained annotations and limited cultural coverage, which hinder research into fine-grained semantic understanding. To…

Computation and Language · Computer Science 2026-04-21 Junzhao Zhang , Hsiu-Yuan Huang , Chenming Tang , Yutong Yang , Yunfang Wu

We proposed a~new accurate aspect extraction method that makes use of both word and character-based embeddings. We have conducted experiments of various models of aspect extraction using LSTM and BiLSTM including CRF enhancement on five…

Computation and Language · Computer Science 2019-09-04 Łukasz Augustyniak , Tomasz Kajdanowicz , Przemysław Kazienko

Most of the Chinese pre-trained models adopt characters as basic units for downstream tasks. However, these models ignore the information carried by words and thus lead to the loss of some important semantics. In this paper, we propose a…

Computation and Language · Computer Science 2022-07-14 Wenbiao Li , Rui Sun , Yunfang Wu

In this paper we propose a method that imitates a translation expert using the Korean translation information and analyse the performance. Korean is good at tagging than Chinese, so we can use this property in Chinese POS tagging.

Computation and Language · Computer Science 2015-11-10 Son-Il Kwak , O-Chol Kown , Chang-Sin Kim , Yong-Il Pak , Gum-Chol Son , Chol-Jun Hwang , Hyon-Chol Kim , Hyok-Chol Sin , Gyong-Il Hyon , Sok-Min Han

State-of-the-art models for joint entity recognition and relation extraction strongly rely on external natural language processing (NLP) tools such as POS (part-of-speech) taggers and dependency parsers. Thus, the performance of such joint…

Computation and Language · Computer Science 2018-12-18 Giannis Bekoulis , Johannes Deleu , Thomas Demeester , Chris Develder

We present a general-purpose tagger based on convolutional neural networks (CNN), used for both composing word vectors and encoding context information. The CNN tagger is robust across different tagging tasks: without task-specific tuning…

Computation and Language · Computer Science 2017-06-07 Xiang Yu , Agnieszka Faleńska , Ngoc Thang Vu

Most existing machine translation systems operate at the level of words, relying on explicit segmentation to extract tokens. We introduce a neural machine translation (NMT) model that maps a source character sequence to a target character…

Computation and Language · Computer Science 2017-06-14 Jason Lee , Kyunghyun Cho , Thomas Hofmann

Part-of-speech (POS) tagging plays an important role in Natural Language Processing (NLP). Its applications can be found in many NLP tasks such as named entity recognition, syntactic parsing, dependency parsing and text chunking. In the…

Computation and Language · Computer Science 2022-06-15 Tuan-Phong Nguyen , Quoc-Tuan Truong , Xuan-Nam Nguyen , Anh-Cuong Le

Chinese word segmentation (CWS) is an important task for Chinese NLP. Recently, many neural network based methods have been proposed for CWS. However, these methods require a large number of labeled sentences for model training, and usually…

Computation and Language · Computer Science 2018-07-17 Junxin Liu , Fangzhao Wu , Chuhan Wu , Yongfeng Huang , Xing Xie

Neural morphological tagging has been regarded as an extension to POS tagging task, treating each morphological tag as a monolithic label and ignoring its internal structure. We propose to view morphological tags as composite labels and…

Computation and Language · Computer Science 2018-10-23 Alexander Tkachenko , Kairit Sirts

User historical behaviors are proved useful for Click Through Rate (CTR) prediction in online advertising system. In Meituan, one of the largest e-commerce platform in China, an item is typically displayed with its image and whether a user…

Computer Vision and Pattern Recognition · Computer Science 2022-05-06 Xin Chen , Qingtao Tang , Ke Hu , Yue Xu , Shihang Qiu , Jia Cheng , Jun Lei

This paper introduces a deep architecture for segmenting 3D objects into their labeled semantic parts. Our architecture combines image-based Fully Convolutional Networks (FCNs) and surface-based Conditional Random Fields (CRFs) to yield…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Evangelos Kalogerakis , Melinos Averkiou , Subhransu Maji , Siddhartha Chaudhuri
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