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Neural Machine Translation (MT) has reached state-of-the-art results. However, one of the main challenges that neural MT still faces is dealing with very large vocabularies and morphologically rich languages. In this paper, we propose a…

计算与语言 · 计算机科学 2016-07-01 Marta R. Costa-Jussà , José A. R. Fonollosa

Named entity recognition is a challenging task in Natural Language Processing, especially for informal and noisy social media text. Chinese word boundaries are also entity boundaries, therefore, named entity recognition for Chinese text can…

计算与语言 · 计算机科学 2020-02-28 Zhaoheng Gong , Ping Chen , Jiang Zhou

Recent studies have been revisiting whole words as the basic modelling unit in speech recognition and query applications, instead of phonetic units. Such whole-word segmental systems rely on a function that maps a variable-length speech…

计算与语言 · 计算机科学 2016-01-11 Herman Kamper , Weiran Wang , Karen Livescu

We propose a segmental neural language model that combines the generalization power of neural networks with the ability to discover word-like units that are latent in unsegmented character sequences. In contrast to previous segmentation…

计算与语言 · 计算机科学 2019-06-19 Kazuya Kawakami , Chris Dyer , Phil Blunsom

OCR character segmentation for multilingual printed documents is difficult due to the diversity of different linguistic characters. Previous approaches mainly focus on monolingual texts and are not suitable for multilingual-lingual cases.…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Huabin Zheng , Jingyu Wang , Zhengjie Huang , Yang Yang , Rong Pan

Electronic Health Records (EHRs) in hospital information systems contain patients' diagnosis and treatments, so EHRs are essential to clinical data mining. Of all the tasks in the mining process, Chinese Word Segmentation (CWS) is a…

计算与语言 · 计算机科学 2020-07-20 Tingting Cai , Zhiyuan Ma , Hong Zheng , Yangming Zhou

Neural machine translation (NMT) is one of the best methods for understanding the differences in semantic rules between two languages. Especially for Indo-European languages, subword-level models have achieved impressive results. However,…

计算与语言 · 计算机科学 2019-11-11 Wei Zhang , Feifei Lin , Xiaodong Wang , Zhenshuang Liang , Zhen Huang

Word embeddings improve the performance of NLP systems by revealing the hidden structural relationships between words. Despite their success in many applications, word embeddings have seen very little use in computational social science NLP…

计算与语言 · 计算机科学 2018-02-21 James Foulds

Neural network models have recently received heated research attention in the natural language processing community. Compared with traditional models with discrete features, neural models have two main advantages. First, they take…

计算与语言 · 计算机科学 2017-08-25 Jie Yang , Zhiyang Teng , Meishan Zhang , Yue Zhang

Recent work on segmentation-free word embedding(sembei) developed a new pipeline of word embedding for unsegmentated language while avoiding segmentation as a preprocessing step. However, too many noisy n-grams existing in the embedding…

计算与语言 · 计算机科学 2020-07-08 Yifan Zhang , Maohua Wang , Yongjian Huang , Qianrong Gu

Neural machine translation (NMT) models are typically trained with fixed-size input and output vocabularies, which creates an important bottleneck on their accuracy and generalization capability. As a solution, various studies proposed…

计算与语言 · 计算机科学 2018-05-08 Duygu Ataman , Marcello Federico

Sentence pair modeling is critical for many NLP tasks, such as paraphrase identification, semantic textual similarity, and natural language inference. Most state-of-the-art neural models for these tasks rely on pretrained word embedding and…

计算与语言 · 计算机科学 2018-05-23 Wuwei Lan , Wei Xu

Keyword spotting (KWS) constitutes a major component of human-technology interfaces. Maximizing the detection accuracy at a low false alarm (FA) rate, while minimizing the footprint size, latency and complexity are the goals for KWS.…

计算与语言 · 计算机科学 2017-07-06 Sercan O. Arik , Markus Kliegl , Rewon Child , Joel Hestness , Andrew Gibiansky , Chris Fougner , Ryan Prenger , Adam Coates

Lexical analysis is believed to be a crucial step towards natural language understanding and has been widely studied. Recent years, end-to-end lexical analysis models with recurrent neural networks have gained increasing attention. In this…

计算与语言 · 计算机科学 2018-07-06 Zhenyu Jiao , Shuqi Sun , Ke Sun

Prosody affects the naturalness and intelligibility of speech. However, automatic prosody prediction from text for Chinese speech synthesis is still a great challenge and the traditional conditional random fields (CRF) based method always…

计算与语言 · 计算机科学 2015-11-03 Chuang Ding , Lei Xie , Jie Yan , Weini Zhang , Yang Liu

Lexical normalisation (LN) is the process of correcting each word in a dataset to its canonical form so that it may be more easily and more accurately analysed. Most lexical normalisation systems operate at the character-level, while…

计算与语言 · 计算机科学 2019-11-15 Michael Stewart , Wei Liu , Rachel Cardell-Oliver

Recent studies have consistently given positive hints that morphology is helpful in enriching word embeddings. In this paper, we argue that Chinese word embeddings can be substantially enriched by the morphological information hidden in…

计算与语言 · 计算机科学 2019-06-12 Hanqing Tao , Shiwei Tong , Tong Xu , Qi Liu , Enhong Chen

This paper presents a new semi-supervised framework with convolutional neural networks (CNNs) for text categorization. Unlike the previous approaches that rely on word embeddings, our method learns embeddings of small text regions from…

机器学习 · 统计学 2015-11-03 Rie Johnson , Tong Zhang

Identifying the named entities mentioned in text would enrich many semantic applications at the downstream level. However, due to the predominant usage of colloquial language in microblogs, the named entity recognition (NER) in Chinese…

计算与语言 · 计算机科学 2019-08-29 Canwen Xu , Feiyang Wang , Jialong Han , Chenliang Li

We propose a new approach to the Chinese word segmentation problem that considers the sentence as an undirected graph, whose nodes are the characters. One can use various techniques to compute the edge weights that measure the connection…

计算与语言 · 计算机科学 2018-04-06 Yuanhao Liu , Sheng Yu