python/PyStemmer: Added (Snowball stemming algorithms).

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

1 files changed, 18 insertions, 0 deletions

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+Snowball stemming algorithms, for information retrieval
+
+Stemming algorithms
+
+PyStemmer provides access to efficient algorithms for calculating a "stemmed"
+form of a word. This is a form with most of the common morphological endings
+removed; hopefully representing a common linguistic base form. This is most
+useful in building search engines and information retrieval software; 
+for example, a search with stemming enabled should be able to find a document 
+containing "cycling" given the query "cycles".
+
+PyStemmer provides algorithms for several (mainly european) languages, by 
+wrapping the libstemmer library from the Snowball project in a Python module.
+
+It also provides access to the classic Porter stemming algorithm for english:
+although this has been superceded by an improved algorithm, the original
+algorithm may be of interest to information retrieval researchers wishing
+to reproduce results of earlier experiments.