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研究生: 蕭少平
Hsiao, Shao-Ping
論文名稱: 推薦感知社群媒體假訊息偵測
Recommendation-aware Fake Message Detection on Social Media
指導教授: 李政德
Li, Cheng-Te
學位類別: 碩士
Master
系所名稱: 管理學院 - 數據科學研究所
Institute of Data Science
論文出版年: 2021
畢業學年度: 109
語文別: 中文
論文頁數: 45
中文關鍵詞: 推薦系統假新聞偵測特徵表示學習雙重任務學習監督式學習非監督式學習
外文關鍵詞: Recommendation System, Fake News Detection, Representation Learning, Multi-Task Learning, Supervised Learning, Unsupervised Learning
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  • 摘要 i 英文延伸摘要 ii 誌謝 vi 目錄 vii 表格 ix 圖片 x 第一章. 緒論 1 1.1.研究背景 1 1.2.研究動機 2 1.3.研究問題 3 1.4.潛在應用 4 1.5. 研究面臨的挑戰 5 1.6.研究方法簡介 5 1.7.論文貢獻 6 第二章. 相關研究 7 第三章. 模型方法 11 3.1.問題定義 11 3.2. 研究架構與方法流程 13 3.3.特徵表示學習 16 3.3.1.使用者特徵蒐集 17 3.3.2.社群貼文特徵表示學習 17 3.3.3. 推薦系統推薦任務 18 3.3.4.使用者轉傳序列特徵表示學習 19 3.3.5. 社群使用者圖形化特徵表示學習 19 3.4.模型預測 22 3.4.1. 監督式學習模型預測 22 3.4.2.非監督式學習模型預測 23 第四章. 實驗評估 25 4.1.資料集與實驗設置 25 4.1.1. 監督式學習的資料集與實驗設置 26 4.1.2. 非監督式學習的資料集與實驗設置 27 4.1.3. 模型評估指標 27 4.2.實驗結果 28 4.2.1. 監督式學習假訊息偵測實驗結果 29 4.2.2. 監督式學習模型對於推薦任務的表現 33 4.2.3. 非監督式學習假訊息偵測實驗結果 34 4.2.4. 小結與討論 38 第五章. 結論與未來展望 40 參考文獻 42

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