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Named entity recognition (NER) in Chinese is essential but difficult because of the lack of natural delimiters. Therefore, Chinese Word Segmentation (CWS) is usually considered as the first step for Chinese NER. However, models based on…

计算与语言 · 计算机科学 2020-07-16 Yuying Zhu , Guoxin Wang , Börje F. Karlsson

Chinese Named Entity Recognition (NER) is an important task in information extraction, which has a significant impact on downstream applications. Due to the lack of natural separators in Chinese, previous NER methods mostly relied on…

计算与语言 · 计算机科学 2024-12-17 Yaqiong Qiao , Shixuan Peng

Neural network has become the dominant method for Chinese word segmentation. Most existing models cast the task as sequence labeling, using BiLSTM-CRF for representing the input and making output predictions. Recently, attention-based…

计算与语言 · 计算机科学 2019-07-29 Leilei Gan , Yue Zhang

The flourishing blossom of deep learning has witnessed the rapid development of Chinese character recognition. However, it remains a great challenge that the characters for testing may have different distributions from those of the training…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Haiyang Yu , Jingye Chen , Bin Li , Xiangyang Xue

We propose the first multi-task learning model for joint Vietnamese word segmentation, part-of-speech (POS) tagging and dependency parsing. In particular, our model extends the BIST graph-based dependency parser (Kiperwasser and Goldberg,…

计算与语言 · 计算机科学 2019-11-12 Dat Quoc Nguyen

Online and offline handwritten Chinese text recognition (HTCR) has been studied for decades. Early methods adopted oversegmentation-based strategies but suffered from low speed, insufficient accuracy, and high cost of character segmentation…

计算机视觉与模式识别 · 计算机科学 2022-08-01 Dezhi Peng , Lianwen Jin , Weihong Ma , Canyu Xie , Hesuo Zhang , Shenggao Zhu , Jing Li

Chinese named entity recognition (CNER) is an important task in Chinese natural language processing field. However, CNER is very challenging since Chinese entity names are highly context-dependent. In addition, Chinese texts lack delimiters…

计算与语言 · 计算机科学 2019-05-07 Fangzhao Wu , Junxin Liu , Chuhan Wu , Yongfeng Huang , Xing Xie

Distributed word representations are very useful for capturing semantic information and have been successfully applied in a variety of NLP tasks, especially on English. In this work, we innovatively develop two component-enhanced Chinese…

计算与语言 · 计算机科学 2015-08-28 Yanran Li , Wenjie Li , Fei Sun , Sujian Li

Recently, it is quite common to integrate Chinese sequence labeling results to enhance syntactic and semantic parsing. However, little attention has been paid to the utility of hierarchy and structure information encoded in syntactic and…

计算与语言 · 计算机科学 2023-06-06 Xuemei Tang , Jun Wang , Qi Su

Chinese characters have a complex and hierarchical graphical structure carrying both semantic and phonetic information. We use this structure to enhance the text model and obtain better results in standard NLP operations. First of all, to…

计算与语言 · 计算机科学 2014-05-22 Yannis Haralambous

Chinese NER is a challenging task. As pictographs, Chinese characters contain latent glyph information, which is often overlooked. In this paper, we propose the FGN, Fusion Glyph Network for Chinese NER. Except for adding glyph information,…

计算与语言 · 计算机科学 2020-10-09 Zhenyu Xuan , Rui Bao , Shengyi Jiang

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…

计算与语言 · 计算机科学 2019-01-18 Yung-Sung Chuang

Conditional random fields (CRFs) have been shown to be one of the most successful approaches to sequence labeling. Various linear-chain neural CRFs (NCRFs) are developed to implement the non-linear node potentials in CRFs, but still keeping…

机器学习 · 计算机科学 2018-11-06 Kai Hu , Zhijian Ou , Min Hu , Junlan Feng

Deep convolutional networks based methods have brought great breakthrough in images classification, which provides an end-to-end solution for handwritten Chinese character recognition(HCCR) problem through learning discriminative features…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Zhiyuan Li , Nanjun Teng , Min Jin , Huaxiang Lu

Chinese is one of the most widely used languages in the world, yet online handwritten Chinese character recognition (OLHCCR) remains challenging. To recognize Chinese characters, one popular choice is to adopt the 2D convolutional neural…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Ji Gan , Weiqiang Wang , Ke Lu

This article provides an interesting exploration of character-level convolutional neural network solving Chinese corpus text classification problem. We constructed a large-scale Chinese language dataset, and the result shows that…

计算与语言 · 计算机科学 2016-11-16 Weijie Huang , Jun Wang

This paper proposes an end-to-end framework, namely fully convolutional recurrent network (FCRN) for handwritten Chinese text recognition (HCTR). Unlike traditional methods that rely heavily on segmentation, our FCRN is trained with online…

计算机视觉与模式识别 · 计算机科学 2016-04-19 Zecheng Xie , Zenghui Sun , Lianwen Jin , Ziyong Feng , Shuye Zhang

CRF has been used as a powerful model for statistical sequence labeling. For neural sequence labeling, however, BiLSTM-CRF does not always lead to better results compared with BiLSTM-softmax local classification. This can be because the…

计算与语言 · 计算机科学 2019-11-11 Leyang Cui , Yue Zhang

We develop a representation suitable for the unconstrained recognition of words in natural images: the general case of no fixed lexicon and unknown length. To this end we propose a convolutional neural network (CNN) based architecture which…

计算机视觉与模式识别 · 计算机科学 2015-04-13 Max Jaderberg , Karen Simonyan , Andrea Vedaldi , Andrew Zisserman

Given the advantage and recent success of English character-level and subword-unit models in several NLP tasks, we consider the equivalent modeling problem for Chinese. Chinese script is logographic and many Chinese logograms are composed…

计算与语言 · 计算机科学 2018-09-11 Falcon Z. Dai , Zheng Cai