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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 謝志昇(Chih-Sheng Hsieh) | |
| dc.contributor.author | Cheng-En Li | en |
| dc.contributor.author | 李承恩 | zh_TW |
| dc.date.accessioned | 2022-11-23T09:14:54Z | - |
| dc.date.available | 2021-08-10 | |
| dc.date.available | 2022-11-23T09:14:54Z | - |
| dc.date.copyright | 2021-08-10 | |
| dc.date.issued | 2021 | |
| dc.date.submitted | 2021-07-31 | |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/79876 | - |
| dc.description.abstract | Yelp 作為世界用戶數量數一數二的用戶評論網，社群中的意見領袖對於公司行號、用戶及平台本身應該有所助益。本研究藉該評論網之公開資料集，分析其菁英會員在評論網路中，對於餐廳、一般用戶及平台的影響，並提供洞見。本研究提供兩種菁英會員影響他人的可能機制：口耳相傳與評論廣播。實證結果顯示菁英會員在兩個機制中皆不影響其他用戶的評分，且菁英會員可能促進其他用戶撰寫評論。對餐廳來說，招攬菁英會員撰寫評論無助於增加餐廳評分，但可能可以提昇名氣。對 Yelp 來說，引進菁英會員制度不會影響其他人的評分，並可能促進社群活躍程度。 | zh_TW |
| dc.description.provenance | Made available in DSpace on 2022-11-23T09:14:54Z (GMT). No. of bitstreams: 1 U0001-3107202115445300.pdf: 3530522 bytes, checksum: 18674df4cbe2f7ce154313274e82c815 (MD5) Previous issue date: 2021 | en |
| dc.description.tableofcontents | 1 Introduction 1 1.1 What is Yelp? 1 1.2 Who are opinion leaders? 2 1.3 Power of opinion leaders 2 1.4 What can opinion leaders possibly affect? 3 2 Literature Review 5 2.1 Social network and opinion leaders on Yelp 5 2.2 Marketing campaign 6 2.3 Causal graph 6 3 Data 8 3.1 Scope of data 8 3.2 Structure and sampling of the data 8 3.3 Data analyzing tools 10 3.4 User behavior and restaurant performance 11 4 Analysis 13 4.1 Explore the elite effects 13 4.1.1 Decomposing the star rating 13 4.1.2 Why is review solicitation futile? 14 4.1.3 Rating behavior of users 14 4.2 Channels: word-of-mouth and broadcasting 16 4.2.1 Word-of-mouth 16 4.2.2 Broadcasting 20 5 Conclusion 26 References 28 A Concept Details: Causal Graph 32 A.1 Causal diagram with Directed Acyclic Graph 32 A.2 Confounding and selection bias 33 A.3 D-separation 34 A.4 Identification strategies 35 B Data Details 39 C Additional Results 42 | |
| dc.language.iso | en | |
| dc.subject | 口耳相傳 | zh_TW |
| dc.subject | 社會網路 | zh_TW |
| dc.subject | 意見領袖 | zh_TW |
| dc.subject | 因果圖模型 | zh_TW |
| dc.subject | 有向無環圖 | zh_TW |
| dc.subject | social network | en |
| dc.subject | word-of-mouth (WOM) | en |
| dc.subject | directed acyclic graph | en |
| dc.subject | causal graph | en |
| dc.subject | opinion leader | en |
| dc.title | 意見領袖在評論網的功用：以Yelp社交網路為例 | zh_TW |
| dc.title | Are Opinion Leaders Satisfied? Social Network on Yelp | en |
| dc.date.schoolyear | 109-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 林明仁(Hsin-Tsai Liu),李宗穎(Chih-Yang Tseng) | |
| dc.subject.keyword | 社會網路,意見領袖,因果圖模型,有向無環圖,口耳相傳, | zh_TW |
| dc.subject.keyword | social network,opinion leader,causal graph,directed acyclic graph,word-of-mouth (WOM), | en |
| dc.relation.page | 44 | |
| dc.identifier.doi | 10.6342/NTU202101964 | |
| dc.rights.note | 同意授權(全球公開) | |
| dc.date.accepted | 2021-08-03 | |
| dc.contributor.author-college | 社會科學院 | zh_TW |
| dc.contributor.author-dept | 經濟學研究所 | zh_TW |
| 顯示於系所單位： | 經濟學系 | |
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| U0001-3107202115445300.pdf | 3.45 MB | Adobe PDF | 檢視/開啟 |
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