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
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: http://dx.doi.org/ 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
Data Source: Academic Citation Index (ACI)
As Taiwan's largest Citation Index, we currently have on record all Humanities, and Sociology journals that were published in Taiwan. The number of periodicals that are published on a regular basis total around 400 different types. If periodicals that were added to the collection but then halted are counted as well, the number of periodicals total over 500 types. Every year we announce the recorded periodicals' impact factor, etc. to the public, and allow scholars utilize our materials to carry out academic research for free.
Impact Factor: The statistic indicating the average number of times a journal's articles published in the past two years have been cited in the counting year.
Formula: (Number of cites in counting year to articles published in the span of two years ) ÷ (Number of articles published in the span of two years)
Example: The impact factor in 2010 (determined in 2011)
In 2009, Journal A published 15 articles, and these 15 articles were cited 20 times in 2010.
In 2008, Journal A published 16 articles, and these 16 articles were cited 30 times in 2010.
→ →2010's Impact Factor = (20+30) ÷ (15+16) = 1.61 =（20+30）÷（15+16）≒1.61
What is "Preprint"?
In order to provide readers the forefront academic information, after articles are accepted to publish in the journal, we publish them in network before they're printed. Those "on-line first articles" are called the "preprint articles". The preprint articles do not have volume No., page No., publication date, but can be identified by the DOI number. 「 http://dx.doi.org/ 」 Link to the latest version of the article.
How to cite Preprint Articles?
Please use the online publication date and the DOI number of the preprint article to cite the literature.
Cited example (may vary with different formats you cited):
Author name. Article name. Journal name. YYYY/MM/DD online publish in advance.
- Corazzon, R. (2000). Theory and history of ontology. Retrieved April 1, 2011, from http://www.formal ontology.it/
- Group on Earth Observations (2011). Retrieved April 3, 2011, from http://www.earthobservations.org/
- Stanford Center for Biomedical Informatics Research (2011). Protégé. Retrieved March 28, 2011, from http://Protégé.stanford.edu/
- 行政院環境保護署（1993）。地面水體分類及水質標準。上網日期：2011 年4 月5日，檢自http://www.watertec.com/epa/lls.htm
- 行政院環境保護署（2009）。環保署預告修正「水污染防治措施及檢測申報管理辦法」部分條文草案。上網日期：2011 年4 月2 日，檢自http://ivy5.epa.gov.tw/enews/Newsdetail.asp?InputTime=0981007101046&MsgTypeName=%B7s%BBD%BDZ
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