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Standard deep neural networks (DNNs) are commonly trained in an end-to-end fashion for specific tasks such as object recognition, face identification, or character recognition, among many examples. This specificity often leads to…

计算机视觉与模式识别 · 计算机科学 2020-07-14 Raphaël Achddou , J. Matias di Martino , Guillermo Sapiro

Named Entity Recognition (NER) is a crucial upstream task in Natural Language Processing (NLP). Traditional tag scheme approaches offer a single recognition that does not meet the needs of many downstream tasks such as coreference…

计算与语言 · 计算机科学 2020-04-30 Wendong He , Yizhen Shao , Pingjian Zhang

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

Named entity recognition (NER) is widely used in natural language processing applications and downstream tasks. However, most NER tools target flat annotation from popular datasets, eschewing the semantic information available in nested…

计算与语言 · 计算机科学 2019-06-05 Nicky Ringland , Xiang Dai , Ben Hachey , Sarvnaz Karimi , Cecile Paris , James R. Curran

We propose a new uniform framework for text classification and ranking that can automate the process of identifying check-worthy sentences in political debates and speech transcripts. Our framework combines the semantic analysis of the…

计算与语言 · 计算机科学 2022-11-22 Ting Su , Craig Macdonald , Iadh Ounis

Traditional event detection methods heavily rely on manually engineered rich features. Recent deep learning approaches alleviate this problem by automatic feature engineering. But such efforts, like tradition methods, have so far only…

计算与语言 · 计算机科学 2019-05-21 Reza Ghaeini , Xiaoli Z. Fern , Liang Huang , Prasad Tadepalli

Named-entity recognition (NER) detects texts with predefined semantic labels and is an essential building block for natural language processing (NLP). Notably, recent NER research focuses on utilizing massive extra data, including…

计算与语言 · 计算机科学 2023-05-09 Yuxiang Zhang , Junjie Wang , Xinyu Zhu , Tetsuya Sakai , Hayato Yamana

While most approaches to automatically recognizing entailment relations have used classifiers employing hand engineered features derived from complex natural language processing pipelines, in practice their performance has been only…

计算与语言 · 计算机科学 2016-03-02 Tim Rocktäschel , Edward Grefenstette , Karl Moritz Hermann , Tomáš Kočiský , Phil Blunsom

This study proposes a Neural Attentive Bag-of-Entities model, which is a neural network model that performs text classification using entities in a knowledge base. Entities provide unambiguous and relevant semantic signals that are…

计算与语言 · 计算机科学 2019-09-11 Ikuya Yamada , Hiroyuki Shindo

Named entity recognition (NER) is the task to identify mentions of rigid designators from text belonging to predefined semantic types such as person, location, organization etc. NER always serves as the foundation for many natural language…

计算与语言 · 计算机科学 2023-04-26 Jing Li , Aixin Sun , Jianglei Han , Chenliang Li

Sentiment Analysis has seen much progress in the past two decades. For the past few years, neural network approaches, primarily RNNs and CNNs, have been the most successful for this task. Recently, a new category of neural networks,…

计算与语言 · 计算机科学 2018-12-20 Artaches Ambartsoumian , Fred Popowich

A key challenge in entity linking is making effective use of contextual information to disambiguate mentions that might refer to different entities in different contexts. We present a model that uses convolutional neural networks to capture…

计算与语言 · 计算机科学 2016-04-05 Matthew Francis-Landau , Greg Durrett , Dan Klein

Named entity recognition (NER) is an information extraction technique that aims to locate and classify named entities (e.g., organizations, locations,...) within a document into predefined categories. Correctly identifying these phrases…

计算与语言 · 计算机科学 2021-12-16 Tran Thi Hong Hanh , Antoine Doucet , Nicolas Sidere , Jose G. Moreno , Senja Pollak

Most of the Natural Language Processing systems are involved in entity-based processing for several tasks like Information Extraction, Question-Answering, Text-Summarization and so on. A new challenge comes when entities play roles…

计算与语言 · 计算机科学 2025-11-11 Neelesh Kumar Shukla , Sanasam Ranbir Singh

Span-based joint extraction simultaneously conducts named entity recognition (NER) and relation extraction (RE) in text span form. However, since previous span-based models rely on span-level classifications, they cannot benefit from…

计算与语言 · 计算机科学 2022-10-25 Bin Ji , Shasha Li , Hao Xu , Jie Yu , Jun Ma , Huijun Liu , Jing Yang

Deep neural network models have helped named entity (NE) recognition achieve amazing performance without handcrafting features. However, existing systems require large amounts of human annotated training data. Efforts have been made to…

信息检索 · 计算机科学 2020-10-06 Ying Luo , Hai Zhao , Junlang Zhan

Span-based joint extraction simultaneously conducts named entity recognition (NER) and relation extraction (RE) in text span form. Recent studies have shown that token labels can convey crucial task-specific information and enrich token…

计算与语言 · 计算机科学 2022-07-19 Bin Ji , Shasha Li , Jie Yu , Jun Ma , Huijun Liu

Named entity recognition (NER) is among SLU tasks that usually extract semantic information from textual documents. Until now, NER from speech is made through a pipeline process that consists in processing first an automatic speech…

计算与语言 · 计算机科学 2018-05-31 Sahar Ghannay , Antoine Caubrière , Yannick Estève , Antoine Laurent , Emmanuel Morin

Named entity recognition (NER) models are typically based on the architecture of Bi-directional LSTM (BiLSTM). The constraints of sequential nature and the modeling of single input prevent the full utilization of global information from…

计算与语言 · 计算机科学 2019-11-20 Ying Luo , Fengshun Xiao , Hai Zhao

Distantly supervised relation extraction intrinsically suffers from noisy labels due to the strong assumption of distant supervision. Most prior works adopt a selective attention mechanism over sentences in a bag to denoise from wrongly…

计算与语言 · 计算机科学 2019-11-28 Yang Li , Guodong Long , Tao Shen , Tianyi Zhou , Lina Yao , Huan Huo , Jing Jiang