An Overview of Techniques Used for Extracting Keywords from Documents
||International Journal of Computer Trends and Technology (IJCTT)||
|© - July Issue 2013 by IJCTT Journal|
|Year of Publication : 2013|
|Authors :Menaka S, Radha N|
Menaka S, Radha N "An Overview of Techniques Used for Extracting Keywords from Documents"International Journal of Computer Trends and Technology (IJCTT),V4(7):2321-2325 July Issue 2013 .ISSN 2231-2803.www.ijcttjournal.org. Published by Seventh Sense Research Group.
Abstract:- Keywords are a set of major words in a document that give high-level description of the content for readers. Keywords are useful for scanning large documents in a short time. Extracting keywords manually are very difficult and time-consuming process. Therefore, there is in need for process to extract keywords from documents automatically. Keyword extraction is a process in which a set of words are selected that gives the meaning of the whole document. This paper presents an overview of techniques used for keyword extraction.
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Keywords : — TF-IDF, Classification, Lexical chain, WordNet.