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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 「 」 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 a document with a DOI, the DOI permanent URL should always be presented (if using APA or Chicago format, present number). If using a citation format that does not specify DOI, the DOI permanent URL should still be presented as a priority.

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 ) 。



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"?

To provide readers with the forefront academic information, articles that have been accepted for publication in journals and published online before the printed version are known as "preprint articles", which increase the article's exposure. Preprint articles do not have volume, page numbers, or publication dates yet, but can be identified by their DOI number. The DOI number is a digital identification number for literature. Both preprint and officially published articles will be assigned a DOI number. Through database integration, readers can easily follow the complete publication process of the article by clicking on the DOI link 「 Number

How to cite Preprint Articles?

You can use the year it was published onlineand DOI link of the preprint article to cite the literature.

Here is an example of a citation (based on APA 7th edition, which may vary depending on different citation format standards):

Author name (year of online preprint article). Article title. Journal name. Number

Abstract 〈TOP〉
Parallel Abstract 〈TOP〉
Reference ( 41 ) 〈TOP〉
  1. 曾英芬、陳彰惠、許貂琳、王秀紅(2010).經歷死產婦女與胎兒依附關係的轉換.護理暨健康照護研究,6(1),24–32。[Tseng, Y. F., Chen, C. H., Hsu, T. L., & Wang, H. H. (2010). Maternal-fetal attachment transformation in women experiencing stillbirth. Journal of Nursing and Healthcare Research, 6(1), 24–32.] doi:10.6225/JNHR.6.1.24
  2. 蔡淑惠(2007).歷經非選擇性終止妊娠之婦女的哀傷與創傷後反應及其相關因素(未發表的碩士論文).臺北市:國立臺灣大學護理研究所。[Tsai, S. H. (2007). Grief and post-traumatic reaction in the women received non-selective termination (Unpublished master’s thesis). National Taiwan University, Taipei, ROC.]
  3. Adolfsson, A., Johansson, C., & Nilsson, E. (2012). Swedish women's emotional experience of the first trimester in a new pregnancy after one or more miscarriages: A qualitative interview study. Advances in Sexual Medicine, 2(3), 38-45. doi:10.4236/asm.2012.23007
  4. Armstrong, D. S. (2002). Emotional distress and prenatal attachment in pregnancy after perinatal loss. Journal of Nursing Scholarship, 34(4), 339-345. doi:10.1111/j.1547-5069.2002.00339.x
  5. Armstrong, D. S. (2004). Impact of prior perinatal loss on subsequent pregnancies. Journal of Obstetric, Gynecologic, and Neonatal Nursing, 33(6), 765-773. doi:10.1177/884217504270714
Times Cited ( 1 ) 〈TOP〉
  1. 洪彩純(Tsai-Chun HUNG);林德華(De-Hua LIN)(2018)。一位歷經二次胎死腹中終止妊娠產婦之護理經驗。助產雜誌。(60)。71-81。 
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