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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 ) 。

Abstract 〈TOP〉
    Reference ( 8 ) 〈TOP〉
    1. 王泓仁(2000),估計台灣地區個體廠商之Tobin’Q,<經濟論文> 28(2),149–76。
    2. 吳鑑芝(2003),智慧資本與公司價值之攸關性探討,<中原大學會計系碩士論文>。
    3. 方偉廉(2004),知識資產與市場價值之關聯性研究:以專利權為例,<作者手稿>。
    4. 王嘉齡(2002),研發活動、EVA對股票報酬率之影響,<世新大學經濟碩士論文>。
    5. 中華經濟研究院期中報告(2002),台灣、南韓、日本在美國取得專利之比較分析及其所反映之產業競爭力差異 ― 以資訊通訊科技產業為例。
    Times Cited (2) 〈TOP〉
    1. 趙禹姿(2007)。研發費用密集度與公司績效之關係--台灣上市、上櫃及興櫃公司實證(2002~2006年)。臺灣大學商學研究所學位論文。2007。1-48。 
    2. 黃裳吟(2008)。企業併購所取得之無形資產與併購公司績效關聯性研究。政治大學會計研究所學位論文。2008。1-98。
    Altmetrics 〈TOP〉
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