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Inspired by a concept of content-addressable retrieval from cognitive science, we propose a novel fragment-based model augmented with a lexicon-based memory for Chinese NER, in which both the character-level and word-level features are…

Computation and Language · Computer Science 2020-06-23 Yi Zhou , Xiaoqing Zheng , Xuanjing Huang

Bidirectional Encoder Representations from Transformers (BERT) has shown marvelous improvements across various NLP tasks, and its consecutive variants have been proposed to further improve the performance of the pre-trained language models.…

Computation and Language · Computer Science 2021-11-29 Yiming Cui , Wanxiang Che , Ting Liu , Bing Qin , Ziqing Yang

Recent work on non-autoregressive neural machine translation (NAT) aims at improving the efficiency by parallel decoding without sacrificing the quality. However, existing NAT methods are either inferior to Transformer or require multiple…

Computation and Language · Computer Science 2021-05-14 Lihua Qian , Hao Zhou , Yu Bao , Mingxuan Wang , Lin Qiu , Weinan Zhang , Yong Yu , Lei Li

In Chinese Named Entity Recognition, character substitution is a complicated linguistic phenomenon. Some Chinese characters are quite similar as they share the same components or have similar pronunciations. People replace characters in a…

Computation and Language · Computer Science 2024-04-19 Jiatong Li , Kui Meng

Existing work in document-level neural machine translation commonly concatenates several consecutive sentences as a pseudo-document, and then learns inter-sentential dependencies. This strategy limits the model's ability to leverage…

Computation and Language · Computer Science 2023-02-17 Minghao Wu , George Foster , Lizhen Qu , Gholamreza Haffari

We propose a new Named entity recognition (NER) method to effectively make use of the results of Part-of-speech (POS) tagging, Chinese word segmentation (CWS) and parsing while avoiding NER error caused by POS tagging error. This paper…

Computation and Language · Computer Science 2021-01-28 Xiao Fu , Guijun Zhang

Spelling error detection serves as a crucial preprocessing in many natural language processing applications. Due to the characteristics of Chinese Language, Chinese spelling error detection is more challenging than error detection in…

Computation and Language · Computer Science 2019-11-26 Hao Wang , Bing Wang , Jianyong Duan , Jiajun Zhang

Transformer encoders contextualize token representations by attending to all other tokens at each layer, leading to quadratic increase in compute effort with the input length. In practice, however, the input text of many NLP tasks can be…

Computation and Language · Computer Science 2023-06-01 Jeremiah Milbauer , Annie Louis , Mohammad Javad Hosseini , Alex Fabrikant , Donald Metzler , Tal Schuster

Neural language models show vulnerability to adversarial examples which are semantically similar to their original counterparts with a few words replaced by their synonyms. A common way to improve model robustness is adversarial training…

Computation and Language · Computer Science 2022-03-25 Hanjie Chen , Yangfeng Ji

We introduce Attention Free Transformer (AFT), an efficient variant of Transformers that eliminates the need for dot product self attention. In an AFT layer, the key and value are first combined with a set of learned position biases, the…

Machine Learning · Computer Science 2021-09-23 Shuangfei Zhai , Walter Talbott , Nitish Srivastava , Chen Huang , Hanlin Goh , Ruixiang Zhang , Josh Susskind

Newly-introduced deep learning architectures, namely BERT, XLNet, RoBERTa and ALBERT, have been proved to be robust on several NLP tasks. However, the datasets trained on these architectures are fixed in terms of size and generalizability.…

Computation and Language · Computer Science 2020-09-29 Jean-Philippe Corbeil , Hadi Abdi Ghadivel

Adjusting the latency, power, and accuracy of natural language understanding models is a desirable objective of an efficient architecture. This paper proposes an efficient Transformer architecture that adjusts the inference computational…

Computation and Language · Computer Science 2024-09-20 Sajjad Kachuee , Mohammad Sharifkhani

Large language models (LLMs) have revolutionized natural language processing (NLP) by excelling at understanding and generating human-like text. However, their widespread deployment can be prohibitively expensive. SortedNet is a recent…

Computation and Language · Computer Science 2024-02-12 Parsa Kavehzadeh , Mojtaba Valipour , Marzieh Tahaei , Ali Ghodsi , Boxing Chen , Mehdi Rezagholizadeh

Access to external knowledge is essential for many natural language processing tasks, such as question answering and dialogue. Existing methods often rely on a parametric model that stores knowledge in its parameters, or use a…

Computation and Language · Computer Science 2022-11-01 Yuxiang Wu , Yu Zhao , Baotian Hu , Pasquale Minervini , Pontus Stenetorp , Sebastian Riedel

Deep Neural Networks (DNNs) have provably enhanced the state-of-the-art Neural Machine Translation (NMT) with their capability in modeling complex functions and capturing complex linguistic structures. However NMT systems with deep…

Computation and Language · Computer Science 2017-05-03 Mingxuan Wang , Zhengdong Lu , Jie Zhou , Qun Liu

We propose an adaptation method for factorized neural transducers (FNT) with external language models. We demonstrate that both neural and n-gram external LMs add significantly more value when linearly interpolated with predictor output…

Computation and Language · Computer Science 2023-05-30 Michael Levit , Sarangarajan Parthasarathy , Cem Aksoylar , Mohammad Sadegh Rasooli , Shuangyu Chang

Neural machine translation (NMT), a new approach to machine translation, has been proved to outperform conventional statistical machine translation (SMT) across a variety of language pairs. Translation is an open-vocabulary problem, but…

Computation and Language · Computer Science 2017-11-15 Yining Wang , Long Zhou , Jiajun Zhang , Chengqing Zong

Text classification algorithms investigate the intricate relationships between words or phrases and attempt to deduce the document's interpretation. In the last few years, these algorithms have progressed tremendously. Transformer…

Computation and Language · Computer Science 2022-06-28 Snehal Khandve , Vedangi Wagh , Apurva Wani , Isha Joshi , Raviraj Joshi

Classifiers are an important and defining feature of the Chinese language, and their correct prediction is key to numerous educational applications. Yet, whether the most popular Large Language Models (LLMs) possess proper knowledge the…

Computation and Language · Computer Science 2025-11-04 Ziqi Zhang , Jianfei Ma , Emmanuele Chersoni , Jieshun You , Zhaoxin Feng

Short text matching often faces the challenges that there are great word mismatch and expression diversity between the two texts, which would be further aggravated in languages like Chinese where there is no natural space to segment words…

Computation and Language · Computer Science 2019-02-26 Yuxuan Lai , Yansong Feng , Xiaohan Yu , Zheng Wang , Kun Xu , Dongyan Zhao