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检索条件"机构=Jiangxi Key Lab of Data and Knowledge Engineering"
265 条 记 录,以下是1-10 订阅
排序:
An improved Bert learning model for E-commerce text entity extraction
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JOURNAL OF SUPERCOMPUTING 2025年 第4期81卷 1-28页
作者: Fan, Huiqiong Wan, Changxuan Jiangxi Univ Finance & Econ Sch Informat Management Nanchang 330032 Jiangxi Peoples R China Jiangxi Univ Finance & Econ Jiangxi Key Lab Data & Knowledge Engn Nanchang 330013 Jiangxi Peoples R China
In response to the intricate and non-standardized nature of e-commerce product descriptions, we propose an enhanced BERT-BiLSTM-CRF entity extraction model to address the limitations of existing models in accurately e... 详细信息
来源: 评论
OEE-CFC: A dataset for Open Event Extraction from Chinese Financial Commentary
OEE-CFC: A Dataset for Open Event Extraction from Chinese Fi...
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2024 Conference on Empirical Methods in Natural Language Processing, EMNLP 2024
作者: Wan, Qizhi Wan, Changxuan Hu, Rong Liu, Dexi Xu, Wenwu Xu, Kang Zou, Meihua Liu, Tao Yang, Jie Xiong, Zhenwei School of Computer and Artificial Intelligence Jiangxi University of Finance and Economics Jiangxi Key Laboratory of Data and Knowledge Engineering China
To meet application needs, event extraction has shifted from simple entities to unconventional entities serving as event arguments. However, current corpora with unconventional entities as event arguments are limited ... 详细信息
来源: 评论
A Multifocal Graph-Based Neural Network Scheme for Topic Event Extraction
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ACM TRANSACTIONS ON INFORMATION SYSTEMS 2025年 第1期43卷 1-36页
作者: Wan, Qizhi Wan, Changxuan Xiao, Keli Hu, Rong Liu, Dexi Liao, Guoqiong Liu, Xiping Shuai, Yuxin Jiangxi Univ Finance & Econ Sch Comp & Artificial Intelligence Nanchang Peoples R China Jiangxi Key Lab Data & Knowledge Engn Nanchang Peoples R China SUNY Stony Brook Coll Business Stony Brook NY 11794 USA
Event extraction is a long-standing and challenging task in natural language processing, and existing studies mainly focus on extracting events within sentences. However, a significant problem that has not been carefu... 详细信息
来源: 评论
rHDP: An Aspect Sharing-Enhanced Hierarchical Topic Model for Multi-Domain Corpus
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ACM TRANSACTIONS ON INFORMATION SYSTEMS 2024年 第3期42卷 1-31页
作者: Zhang, Yitao Wan, Changxuan Xiao, Keli Wan, Qizhi Liu, Dexi Liu, Xiping Jiangxi Univ Finance & Econ Nanchang Peoples R China East China Jiaotong Univ Nanchang Peoples R China Jiangxi Key Lab Data & Knowledge Engn Nanchang Peoples R China SUNY Stony Brook Coll Business New York NY USA
Learning topic hierarchies from a multi-domain corpus is crucial in topic modeling as it reveals valuable structural information embedded within documents. Despite the extensive literature on hierarchical topic models... 详细信息
来源: 评论
Token-Event-Role Structure-Based Multi-Channel Document-Level Event Extraction
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ACM TRANSACTIONS ON INFORMATION SYSTEMS 2024年 第4期42卷 1-27页
作者: Wan, Qizhi Wan, Changxuan Xiao, Keli Xiong, Hui Liu, Dexi Liu, Xiping Hu, Rong Jiangxi Univ Finance & Econ Sch Informat Management Nanchang Jiangxi Peoples R China Jiangxi Key Lab Data & Knowledge Engn Nanchang Jiangxi Peoples R China SUNY Stony Brook Coll Business Stony Brook NY USA Hong Kong Univ Sci & Technol Guangzhou Thrust Artificial Intelligence Guangzhou Guangdong Peoples R China
Document-level event extraction is a long-standing challenging information retrieval problem involving a sequence of sub-tasks: entity extraction, event type judgment, and event type-specific multi-event extraction. H... 详细信息
来源: 评论
CFERE: Multi-type Chinese financial event relation extraction
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INFORMATION SCIENCES 2023年 第1期630卷 119-134页
作者: Wan, Qizhi Wan, Changxuan Xiao, Keli Hu, Rong Liu, Dexi Liu, Xiping Jiangxi Univ Finance & Econ Jiangxi Key Lab Data & Knowledge Engn Nanchang Peoples R China Jiangxi Univ Finance & Econ Sch Informat Technol Nanchang Peoples R China SUNY Stony Brook Coll Business Stony Brook NY 11794 USA
Extracting various types of event relations in financial texts can benefit many downstream applications supporting financial analysis. This paper addresses the multi-type event relation extraction problem in the finan... 详细信息
来源: 评论
A Multi-channel Hierarchical Graph Attention Network for Open Event Extraction
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ACM TRANSACTIONS ON INFORMATION SYSTEMS 2023年 第1期41卷 1-27页
作者: Wan, Qizhi Wan, Changxuan Xiao, Keli Hu, Rong Liu, Dexi Jiangxi Key Lab Data & Knowledge Engn Nanchang 33013 Jiangxi Peoples R China Jiangxi Univ Finance & Econ Sch Informat Management Nanchang 330032 Jiangxi Peoples R China SUNY Stony Brook Coll Business Stony Brook NY 11794 USA Jiangxi Univ Finance & Econ Sch Software & Internet Things Engn Nanchang 330032 Jiangxi Peoples R China
Event extraction is an essential task in natural language processing. Although extensively studied, existing work shares issues in three aspects, including (1) the limitations of using original syntactic dependency st... 详细信息
来源: 评论
Financial causal sentence recognition based on BERT-CNN text classification
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JOURNAL OF SUPERCOMPUTING 2022年 第5期78卷 6503-6527页
作者: Wan, Chang-Xuan Li, Bo Jiangxi Univ Finance & Econ Sch Informat & Technol Nanchang 330013 Jiangxi Peoples R China Jiangxi Univ Sci & Technol Ganzhou 340000 Peoples R China Jiangxi Univ Finance & Econ Jiangxi Key Lab Data & Knowledge Engn Nanchang 330013 Jiangxi Peoples R China
By studying the causality contained in financial texts, we can further reveal more potential laws of economic activities, such as "factors promoting stable and healthy economic development," "The centra... 详细信息
来源: 评论
A Part-of-Speech Tagging Model Employing Word Clustering and Syntactic Parsing
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Chinese Journal of Electronics 2025年 第1期23卷 109-114页
作者: Lichi Yuan School of Information Technology Jiangxi University of Finance and Economics Nanchang China Jiangxi Key Laboratory of Data and Knowledge Engineering Jiangxi University of Finance and Economics Nanchang China
Part-Of-Speech tagging is a basic task in the field of natural language processing. This paper builds a POS tagger based on improved Hidden Markov model, by employing word clustering and syntactic parsing model. First...
来源: 评论
On-Line System of Garbage Image-Orientated Intelligent Classification, Submission and Examination  20
On-Line System of Garbage Image-Orientated Intelligent Class...
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20th IEEE International Conference on e-Business engineering, ICEBE 2024
作者: Tian, Jiayin Wang, Yaozhi Liu, Jiaxin Chen, Yan School of Computer Science and Technology Xi'an Jiaotong University Shaanxi Xi'an China Xi'an Jiaotong University Shaanxi Key Lab of Big Data Knowledge Engineering Shaanxi Xi'an China School of Computer Science and Technology Xi'an Jiaotong University Xi'an Jiaotong University Shaanxi Key Lab of Big Data Knowledge Engineering Shaanxi Xi'an China
In a world brimming with new products continually, novel waste types are ubiquitous. This makes current image-based garbage classification systems difficult to perform well due to the long-tailed effects of distributi... 详细信息
来源: 评论