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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 王泰俐(Tai-li Wang) | |
dc.contributor.author | Zhao-Dong Wang | en |
dc.contributor.author | 王釗東 | zh_TW |
dc.date.accessioned | 2021-06-17T02:11:12Z | - |
dc.date.available | 2021-02-26 | |
dc.date.copyright | 2018-02-26 | |
dc.date.issued | 2017 | |
dc.date.submitted | 2018-01-18 | |
dc.identifier.citation | 一、中文文獻
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/68010 | - |
dc.description.abstract | 一直以來,許多研究都以財經資訊為切口,探究新聞資訊對投資人乃至股票價格漲跌的影響。這些研究不僅來自金融學領域,也大量存在於資料科學與傳播學領域。然而,多數過往研究傾向從西文傳統媒體之資訊與國外股市之低頻交易資料中,探究二者之關聯,對國內中文財經資訊與股市資料的關注極少。同時,它們也少有關注財經新聞來源這一可能影響研究結果的重要變項。
本研究收集了《工商時報》電子版、《蘋果日報》網路版、《鉅亨網》、《自由時報》電子報、聯合新聞網五家網路媒體一年的全部財經資訊,輔以台灣股市每分鐘的高精度交易資料,並透過支援向量機這一機器學習模型,測量財經新聞對股價漲跌的預測準確率,以此探究財經新聞資訊對於台灣股票市場之表現的影響力。研究結果證明,台灣財經新聞對股票市場之表現存在顯著影響,且該影響在不同媒體、不同類別之股票下不盡相同。研究不僅在台灣財經新聞與台灣股市上,印證了二者之關聯,填補了該項空白,還針對中文語料之特點,比較了不同的文字探勘技術,對後續研究有一定的借鑒意義。 | zh_TW |
dc.description.abstract | In recent decades, many researchers from different background, such as finance, data science and communication, have focused on finding the proof of financial news influence on stock market. However, most of them just concentrated on relationship between news from traditional media (newspaper, magazines, TV program, etc.) and daily stock price fluctuations. Only few researches tried to analyze reports from Taiwanese online media and intraday stock price data, which was more precise than before. Here we report a result providing some strong evidence of financial news influence on stock market in Taiwan.
We collected financial news from five local Taiwanese online media and minute-level stock price data. By utilizing support vector machine algorithm, we found the accuracy of prediction for stock price fluctuations is always more than 50%, which means strong relationship between financial news in Chinese and stock market in Taiwan. More precisely, that influence varies with different media and various kinds of stocks. We anticipate that this result will prompt other researchers to find out the underlying reason of that influence in various. What is more, comparison between two feature extraction methods in our experiments will offer some suggestions for following related researches. | en |
dc.description.provenance | Made available in DSpace on 2021-06-17T02:11:12Z (GMT). No. of bitstreams: 1 ntu-106-R03342023-1.pdf: 2407007 bytes, checksum: e0e96ef8def314f9fee3994d4b4fca1a (MD5) Previous issue date: 2017 | en |
dc.description.tableofcontents | 口試委員會審定書 i
謝 志 ii 摘 要 v Abstract vi 圖目錄 x 表目錄 xi 公式目錄 xii 第壹章、緒 論 1 一、 研究背景 1 二、 研究問題 2 第貳章、文獻探討 4 一、 效率市場假說(EMH)與行爲金融理論 4 二、財經新聞與股票市場表現 6 1. 傳播學領域之相關研究 6 2. 金融學領域之相關研究 7 3. 採用文字探勘技術之相關研究 18 三、台灣股票市場概況 20 1. 台灣股票市場呈現「淺蝶型」特徵 20 2. 台灣股票市場效率性的實證研究 21 四、文字探勘 24 1. 斷詞 25 2. 意見字典 26 3. 詞組合 27 4. 特徵值計算 28 5. 機器學習 31 伍、本章小結 33 第叄章、研究方法 36 一、研究流程 36 1. 資料獲取 36 2. 特徵萃取 39 3. 降維處理 43 4. 機器學習 44 二、研究問題與實驗設計 45 三、本章小結 46 第肆章 研究結果 48 一、實驗一之結果 48 二、實驗二之結果 52 三、實驗三之結果 59 四、本章小結 64 第伍章 結論與討論 67 一、結論 67 二、結論之分析 73 三、研究貢獻與研究限制 79 參考文獻 81 一、中文文獻 81 二、外文文獻 83 附錄:意見字典NTUFSD及其改良iMFinanceSD 89 | |
dc.language.iso | zh-TW | |
dc.title | 以大數據探究財經新聞對台灣股票市場表現之影響 | zh_TW |
dc.title | An Analysis of Financial News Influence on Stock Market in Taiwan | en |
dc.type | Thesis | |
dc.date.schoolyear | 106-1 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 謝吉隆(Ji-Lung Hsieh),鄭宇君(Yu-Chung Cheng) | |
dc.subject.keyword | 財經新聞,台灣股市,支援向量機,機器學習,詞組合模型, | zh_TW |
dc.subject.keyword | Financial News,Taiwanese Stock Market,Support Vector Machine,Machine Learning,2-Word-Combination Feature Extraction, | en |
dc.relation.page | 93 | |
dc.identifier.doi | 10.6342/NTU201800089 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2018-01-18 | |
dc.contributor.author-college | 社會科學院 | zh_TW |
dc.contributor.author-dept | 新聞研究所 | zh_TW |
顯示於系所單位: | 新聞研究所 |
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