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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〉
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Reference ( 48 ) 〈TOP〉
  1. Archer, B.H. (1980). Forecasting demand: Quantitative and intuitive techniques.
  2. Bohen, C. (2009). Mini notebooks proliferate in 2009. TWICE: This Week in Consumer Electronics, 24(1), 12-110.
  3. Chan, Y.M. (1993). Forecasting tourism: a sine wave time series regression approach. Journal of Travel Research, 32, 58-60.
  4. Chu, F.L. (1998). Forecasting tourism: a combined approach. Tourism Management, 19 (6), 515-520.
  5. Chen, Y. Q., Chen, X. J., Huang, X. X., & Tan, X. R. (2008). Application and selection of grey model in the medical management. Journal of Grey System, 11, 193-198.
Times Cited (3) 〈TOP〉
  1. 陳柔諺(2010)。運用灰色理論於飛機可靠度瞬間失效預測之研究。朝陽科技大學企業管理系學位論文。2010。1-56。
  2. 葉森源(2012)。以灰色預測模式推估臺灣地區皮膚科專科醫師人力供需與地理分佈研究。中臺科技大學健康產業管理研究所學位論文。2012。1-105。
  3. 張貴森(2013)。來台旅客住宿需求預測之研究--灰色預測方法之應用。朝陽科技大學旅館經營產業碩士專班學位論文。2013。1-55。
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