博碩士論文 etd-0811116-211728 詳細資訊


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姓名 陳柏璋(Po-Chang Chen) 電子郵件信箱 E-mail 資料不公開
畢業系所 資訊管理學系研究所(Information Management)
畢業學位 碩士(Master) 畢業時期 104學年第2學期
論文名稱(中) 運用文字探勘技術與行動載具進行個人化旅館的推薦系統
論文名稱(英) Using Mobile App For Personalized Hotel Recommendation
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  • etd-0811116-211728.pdf
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    紙本論文:5 年後公開 (2021-09-12 公開)

    電子論文:使用者自訂權限:校內立即公開、校外 5 年後公開

    論文語文/頁數 英文/57
    統計 本論文已被瀏覽 5374 次,被下載 14 次
    摘要(中) 隨著行動裝置的普及,人們對於上網的型態有了改變,根據google發佈智慧型手機行為的調查報告指出,國人對智慧型手機的依賴度高達81%,可想而知裡面記錄了大量關於使用者的個人的資訊,像是購物行為,瀏覽資料等等,我們希望透過行動裝置結合文字探勘的技術來對使用者做出個人化旅館的推薦
    我們設計了一個APP讓使用者來瀏覽旅館評論,希望從中紀錄使用者正在觀看那些文章,並透過APP捲軸的位置去判斷使用者目前可能在觀看的文章段落以及利用頁面停留的時間去擷取出使用者可能感興趣的內容
    接著利用文字探勘的技術,去對文字內容作處理,像是斷句、標詞性,除了利用lexicon based的方式找找出feature以及判斷句子的情緒分數,我們還利用Alchemy API來輔助我們判斷句子的情緒
    為了要擷取出使用者對於旅館的偏好以及驗證我們推薦的績效,我們從Tripadvisor網站收集了台灣12個縣市,360間旅館共10690篇文章,並邀請了18位常常到旅館住宿的使用者來參與我們的實驗,我們使用Kendall’s tau b correlation以及Precision@N的方式來評估我們系統推薦的準確度
    最後實驗結果顯示,不管是哪一種評估方式,我們的推薦系統比起Tripadvisor上面的推薦方式提供相對較好的推薦結果
    摘要(英) With the advance of mobile devices, the ways people use Internet have changed enormously. Mobile devices are capable of recording users’ behavior, such as locations visited, frequent online shopping stores, browsing history, and so on. The aim of this study is to utilize users’ browsing data on mobile devices and subsequently applying text mining techniques to recommend hotels to users.
    Specifically, we design and implement an APP that allows its user to browse hotel reviews and records every gesture the user has performed. We then identified a subset of hotel reviews that the given user have shown interests depending on the different kinds of gestures he/she has performed. Text mining techniques are subsequently applied to construct the interest profile of the user based on the review content.
    We collect 10,690 reviews of 360 hotels in Taiwan. 18 users are recruited to use our proposed APP and participate in the experiment. Experimental result demonstrates that our system have better performance than other approaches.
    關鍵字(中)
  • 文字探勘
  • 斷詞
  • 詞性標記
  • 情感分析
  • 旅館推薦
  • 關鍵字(英)
  • Tokenization
  • Text mining
  • Sentiment Analysis
  • Hotel Recommendation
  • Part Of Speech Tagging
  • 論文目次 CHAPTER 1-Introduction 1
    1.1. Background 1
    1.2. Motivation 3
    CHAPTER 2-Related Work 5
    2.1. Aspect-based Sentiment Analysis 5
    2.2 Mobile Information Retrieval 7
    2.3. Hotel Recommender Systems 8
    CHAPTER 3 - Natural Language Processing Tools 10
    3.1 Tokenization 10
    3.2 Part of Speech Tagging 10
    3.3 Dependency Parser 11
    3.4 Dependency chains 12
    3.5 Sentiment Analysis 13
    3.6 External Corpus 14
    CHAPTER 4 - The Approach 16
    4.1 Skeleton of Our Approach 16
    4.2 User Profile Identification 18
    4.2.1 Gathering Browsing Reviews 18
    4.2.2 Determining the content of lines 20
    4.2.3 Feature Detection 22
    4.2.4 Calculate Feature’s Weight 24
    4.3 Sentiment Analysis 26
    4.4 Producing Score 28
    4.4.1 Review Score 28
    4.4.2 Producing a Personalized Score for a Hotel 30
    CHAPTER 5 - Evaluation 31
    5.1 Dataset Description 31
    5.2 Experiment Design 33
    5.3 Experiment Result 36
    5.3.1 Precision@N 36
    5.3.2 Kendall’s tau b correlation 39
    5.3.3 Roc Curve 40
    Chapter 6 - Conclusion 47
    References 49
    LIST OF FIGURES
    Figure 3 1 Example For Stanford Part of Speech Tagging 11
    Figure 3 2 Example for Dependency Chains 12
    Figure 4 1 Skeleton of the Approach 16
    Figure 4 2UIScrollView contentOffset 19
    Figure 4 3 Feature Detection Example 23
    Figure 4 4 Weights of Individual Aspects 25
    Figure 4 5 Review Score 29
    Figure 4 6 Review Score 30
    Figure 5 1 Number of Reviews by cities 32
    Figure 5 2 Number of Reviews in Word Count 33
    Figure 5 3 Mobile APP Screenshot 34
    Figure 5 4 Experiment Website Screenshot 35
    Figure 5 5 Example of Precision@5 37
    Figure 5 6 Average precision@5 of the three methods 38
    Figure 5 7 Average recall@5 of the three methods 39
    Figure 5 8 Kendall’s tau b correlation 40
    Figure 5 9 Top@5 Roc curve 44
    Figure 5 10 Top@4 Roc curve 44
    Figure 5 11 Top@3 Roc curve 45
    Figure 5 12 Top@2 Roc curve 45
    Figure 5 13 Top@1 Roc curve 46
    LIST OF TABLES
    Table 3 1 Feature List 15
    Table 4 1 Log of User Movement 20
    Table 5 1 Four kinds of relationship 41
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    口試委員
  • 魏志平 - 召集委員
  • 張德民 - 委員
  • 薛幼苓 - 委員
  • 林耕霈 - 指導教授
  • 黃三益 - 指導教授
  • 口試日期 2014-07-24 繳交日期 2016-09-12

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