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研究生： 黃柏洋
Huang, Bo-Yang
論文名稱： 基於新聞事件的通盤性知識圖譜構建及Chatbot應用實現
Comprehensive Knowledge Graph Construction Based on News Events and Implementation of Chatbot Application
指導教授： 楊中平
Yang, Chung-Ping
共同指導教授: 盧文祥
Lu, Wen-Hsiang
學位類別： 碩士
Master
系所名稱： 電機資訊學院 - 資訊工程學系
Department of Computer Science and Information Engineering
論文出版年： 2022
畢業學年度： 110
語文別： 英文
論文頁數： 44
中文關鍵詞： 知識圖譜 、聊天機器人 、事件抽取
外文關鍵詞： Knowledge Graph, ChatBot, Event Extraction
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    • 摘要 I ABTRACT II 致謝 III List of Content IV List of Tables VI List of Figures VII 1. INTRODUCTION 1 1.1 Background 1 1.2 Motivation 2 1.3 Goal 2 1.5 Contribution 4 2. Related Works 5 2.1 Event Extraction 5 2.2 Pronoun Resolution 6 2.3 Knowledge Graph Construction 6 3. Method 8 3.1 System Framwork 8 3.2 Text Preprocessing 9 3.2.1 Noun Phrase Extraction 9 3.3.2 Noun Phrase Feature Extraction 10 3.3.2.1 Headword Identification 10 3.3.2.2 Noun Phrase Classification 10 3.3.2.3 Noun Phrase Semantic Property Extraction 13 3.3 Event Extraction 15 3.3.1 SVO Extraction 15 3.3.2 Verb Modifier Identification 17 3.4 Coreference Resolution 17 3.4.1 Multi-Sentence referential SVO Extraction 17 3.4.2 Pronoun Coreference 18 3.5 Knowledge Graph Construction 20 3.6 News Chatbot 22 3.6.1 Focus Extraction 22 3.6.2 Query Template Extraction 24 3.6.3 Response Type Identification 25 3.6.4 Target Node Feature Extraction 29 3.6.5 Knowledge Matching 29 4. Experiment 33 4.1 Data 33 4.2 Evaluation Metrics 33 4.2 Experiment on Noun Phrase Extraction and Classification 34 4.2.1 Experiment Setup 34 4.2.2 Experiment Result of Noun Phrase Extraction 34 4.2.2 Experiment Result of Noun Phrase Classification 35 4.3 Experiment on Event Extraction 36 4.3.1 Experiment Setup 36 4.3.2 Experiment Result 36 4.3.3 Error Analysis 36 4.4 Experiment on Pronoun Coreference 38 4.4.1 Experiment Setup 38 4.4.2 Experiment Result 38 4.4.3 Error Analysis 38 4.5 Experiment on News Chatbot QA 39 4.5.1 Experiment Setup 39 4.5.2 Error Analysis 40 5. Conclusion 42 REFERENCE 43

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