R: Extract Keywords

extractKeywords {RKEA}

R Documentation

Extract Keywords

Description

Extract keywords from text documents.

Usage

extractKeywords(corpus, model, voc = "none", vocformat = "")

Arguments

`corpus`	A list of character vectors containing the text documents, e.g., a `Corpus` object as provided by package~tm, used for keyword extraction.
`model`	A character giving the path to a KEA model.
`voc`	A character pointing to a controlled vocabulary.
`vocformat`	A character giving the format of `voc`.

Details

A tutorial on keyword extraction is located at http://www.nzdl.org/Kea/Download/Kea-5.0-Readme.txt. There you can find details on the internals of KEA, including various parameter settings (e.g., valid arguments for voc and vocformat).

Value

A list of character vectors corresponding to the keywords in corpus.

Author(s)

Ingo Feinerer

References

http://www.nzdl.org/Kea/