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Search Symbol (Half-width) Description of Search Symbols
Space "AND" indicates the intertwining of key terms used in a search
Double Quotation Marks ("") ( " " ) Double quotation marks indicate the beginning and end of a phrase, and the search will only include terms that appear in the same order of those within the quotations. Example: "image process" : " image process "
? Indicates a variable letter. Entering two ? will indicate two variable letters, and so on. Example: "Appl?", search results will yield apple, apply… e , appl y … ( (often used to English word searches) )
* Indicates an unlimited number of variable letters to follow, from 1~n. Example: Enter "appl*", search results will yield apple, apples, apply, applied, application…(often used in English word searches) e , appl es , appl y , appl ied , appl ication … ( (often used to English word searches) )

Boolean logic combinations of key words is a skill used to expand or refine search parameters.
(1) AND (1) AND: Refines search parameters
(2) OR (2) OR: Expands search parameters (3) NOT: Excludes irrelevant parameters


DOI stands for Digital Object Identifier ( D igital O bject I dentifier ) ,
and is the unique identifier for objects on the internet. It can be used to create persistent link and to cite articles.

Using DOI as a persistent link

To create a persistent link, add「」 「 」 before a DOI.
For instance, if the DOI of an article is 10.5297/ser.1201.002 , you can link persistently to the article by entering the following link in your browser: 10.5297/ser.1201.002
The DOI link will always direct you to the most updated article page no matter how the publisher changes the document's position, avoiding errors when engaging in important research.

Cite a document with DOI

When citing references, you should also cite the DOI if the article has one. If your citation guideline does not include DOIs, you may cite the DOI link.

DOIs allow accurate citations, improve academic contents connections, and allow users to gain better experience across different platforms. Currently, there are more than 70 million DOIs registered for academic contents. If you want to understand more about DOI, please visit airiti DOI ) 。

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Reference ( 7 ) 〈TOP〉
  1. 1. 曹育賢,「台灣IPO與股價表現」,淡江大學管理科學研究所碩士論文,民國101年6月。
  2. 2. 陳祖旭,「高獲利、轉機與成長型非電子類股投資組合績效評估」,淡江大學國際貿易研究所碩士論文,民國98年6月。
  3. 3. 鄭有宏,「台股上市、櫃高獲利、轉機與成長型投資組合V.S.整體市場與開放式基金績效評估」,淡江大學國際貿易研究所碩士論文,民國99年6月。
  4. 4. 鄭博仁,「高獲利、轉機與成長型投資組合績效評估:以臺灣股市為例」,淡江大學國際貿易研究所碩士論文,民國96年6月。
  5. 5. 鍾坤衡,「轉機型的最佳代言人:虧轉盈V.S.大虧轉小虧」,淡江大學國際貿易研究所碩士論文,民國100年6月。
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