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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「http://dx.doi.org/」 「 http://dx.doi.org/ 」 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: 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

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 Registrationdoi.airiti.com ) 。

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Reference ( 43 ) 〈TOP〉
  1. [1] K. Zhang, H. Xu, J. Tang and J. Z. Li. Keyword Extraction Using Support Vector Machine. Lecture notes in computer science, Volume 4016, 2006, pp. 85-96.
  2. [2] Y. Matsuo and M. Ishizuka. Keyword Extraction from a Single Document Using Word Co-Occurrence Statistical Information. International Journal on Artificial Intelligence Tools, Volume 13, Issue 1, 2004, pp. 157-169.
  3. [4] G. Ercan and I. Cicekli. Using Lexical Chains for Keyword Extraction. Information Processing and Management, Volume 43, Issue 6, November 2007, pp. 1705-1714.
  4. [5] George A. Miller, Richard Beckwith, Christiane Fellbaum, Derek Gross, and Katherine Miller. Introduction to WordNet:An on-line lexical database. International Journal of Lexicography, Volume 3, No. 4, December 1990, pp. 235-244.
  5. [10] Fadi Yamout, Rana Demachkieh, Ghalia Hamdan and Reem Sabra. Further enhancement to the Porter’s stemming algorithm. Proceedings of the KI 2004 Workshop on, Machine Learning and Interaction for Text-Based, September 21, 2004, pp. 7-24.
Times Cited (1) 〈TOP〉
  1. 張藝馨(2015)。基於MapReduce做文本自動分類與概念分析。中原大學資訊工程研究所學位論文。2015。1-57。 
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