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Convolutional neural network (CNN) and recurrent neural network (RNN) models have become the mainstream methods for relation classification. We propose a unified architecture, which exploits the advantages of CNN and RNN simultaneously, to…

计算与语言 · 计算机科学 2018-07-31 Bin He , Yi Guan , Rui Dai

Named Entity Recognition (NER), a classic sequence labelling task, is an essential component of natural language understanding (NLU) systems in task-oriented dialog systems for slot filling. For well over a decade, different methods from…

计算与语言 · 计算机科学 2018-12-07 Pratik Jayarao , Chirag Jain , Aman Srivastava

Named entity recognition (NER) systems that perform well require task-related and manually annotated datasets. However, they are expensive to develop, and are thus limited in size. As there already exists a large number of NER datasets that…

计算与语言 · 计算机科学 2019-04-23 Nargiza Nosirova , Mingbin Xu , Hui Jiang

Named entity recognition (NER) identifies typed entity mentions in raw text. While the task is well-established, there is no universally used tagset: often, datasets are annotated for use in downstream applications and accordingly only…

计算与语言 · 计算机科学 2019-10-08 Xiao Huang , Li Dong , Elizabeth Boschee , Nanyun Peng

Gait recognition, referring to the identification of individuals based on the manner in which they walk, can be very challenging due to the variations in the viewpoint of the camera and the appearance of individuals. Current methods for…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Alireza Sepas-Moghaddam , Saeed Ghorbani , Nikolaus F. Troje , Ali Etemad

Most of neural approaches to relation classification have focused on finding short patterns that represent the semantic relation using Convolutional Neural Networks (CNNs) and those approaches have generally achieved better performances…

计算与语言 · 计算机科学 2017-11-02 Jonggu Kim , Jong-Hyeok Lee

We propose a novel technique to enhance Knowledge Graph Reasoning by combining Graph Convolution Neural Network (GCN) with the Attention Mechanism. This approach utilizes the Attention Mechanism to examine the relationships between entities…

信息检索 · 计算机科学 2025-03-24 Meera Gupta , Ravi Khanna , Divya Choudhary , Nandini Rao

Named Entity Recognition (NER) is an important subtask of information extraction that seeks to locate and recognise named entities. Despite recent achievements, we still face limitations with correctly detecting and classifying entities,…

信息检索 · 计算机科学 2017-10-31 Diego Esteves , Rafael Peres , Jens Lehmann , Giulio Napolitano

Personalized review generation (PRG) aims to automatically produce review text reflecting user preference, which is a challenging natural language generation task. Most of previous studies do not explicitly model factual description of…

计算与语言 · 计算机科学 2020-10-06 Junyi Li , Siqing Li , Wayne Xin Zhao , Gaole He , Zhicheng Wei , Nicholas Jing Yuan , Ji-Rong Wen

We present a bi-encoder framework for named entity recognition (NER), which applies contrastive learning to map candidate text spans and entity types into the same vector representation space. Prior work predominantly approaches NER as…

计算与语言 · 计算机科学 2023-02-24 Sheng Zhang , Hao Cheng , Jianfeng Gao , Hoifung Poon

Sequential labeling-based NER approaches restrict each word belonging to at most one entity mention, which will face a serious problem when recognizing nested entity mentions. In this paper, we propose to resolve this problem by modeling…

计算与语言 · 计算机科学 2019-06-11 Hongyu Lin , Yaojie Lu , Xianpei Han , Le Sun

Session-based recommendation systems suggest relevant items to users by modeling user behavior and preferences using short-term anonymous sessions. Existing methods leverage Graph Neural Networks (GNNs) that propagate and aggregate…

信息检索 · 计算机科学 2022-01-10 Sai Mitheran , Abhinav Java , Surya Kant Sahu , Arshad Shaikh

In high energy physics, graph-based implementations have the advantage of treating the input data sets in a similar way as they are collected by collider experiments. To expand on this concept, we propose a graph neural network enhanced by…

数据分析、统计与概率 · 物理学 2020-09-29 Vinicius Mikuni , Florencia Canelli

Biomedical Named Entity Recognition (NER) is a fundamental task of Biomedical Natural Language Processing for extracting relevant information from biomedical texts, such as clinical records, scientific publications, and electronic health…

计算与语言 · 计算机科学 2023-12-27 Fahime Shahrokh , Nasser Ghadiri , Rasoul Samani , Milad Moradi

Named Entity Recognition (NER) is a challenging and widely studied task that involves detecting and typing entities in text. So far,NER still approaches entity typing as a task of classification into universal classes (e.g. date, person, or…

计算与语言 · 计算机科学 2023-02-22 Tristan Luiggi , Laure Soulier , Vincent Guigue , Siwar Jendoubi , Aurélien Baelde

Predicting personality traits automatically has become a challenging problem in computer vision. This paper introduces an innovative multimodal feature learning framework for personality analysis in short video clips. For visual processing,…

计算机视觉与模式识别 · 计算机科学 2025-06-03 Kangsheng Wang , Chengwei Ye , Huanzhen Zhang , Linuo Xu , Shuyan Liu

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

Named entity recognition (NER) is a fundamental task in natural language processing. Recent works treat named entity recognition as a reading comprehension task, constructing type-specific queries manually to extract entities. This paradigm…

计算与语言 · 计算机科学 2022-03-22 Yongliang Shen , Xiaobin Wang , Zeqi Tan , Guangwei Xu , Pengjun Xie , Fei Huang , Weiming Lu , Yueting Zhuang

Human Activity Recognition (HAR) research has gained significant momentum due to recent technological advancements, artificial intelligence algorithms, the need for smart cities, and socioeconomic transformation. However, existing computer…

机器学习 · 计算机科学 2023-05-10 Md. Mohi Uddin Khan , Abdullah Bin Shams , Md. Mohsin Sarker Raihan

Named Entity Recognition task is one of the core tasks of information extraction. Word ambiguity and word abbreviation are important reasons for the low recognition rate of named entities. In this paper, we propose a novel named entity…

计算与语言 · 计算机科学 2022-08-16 Renjie Zhou , Qiang Hu , Jian Wan , Jilin Zhang , Qiang Liu , Tianxiang Hu , Jianjun Li