Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/2003#discussion_r16335912
--- Diff: docs/mllib-feature-extraction.md ---
@@ -9,4 +9,58 @@ displayTitle: <a href="mllib-guide.html">MLlib</a> -
Feature Extraction
## Word2Vec
+Wor2Vec computes distributed vector representation of words. The main
advantage of the distributed representations is that similar words are close in
the vector space, which makes generalization to novel patterns easier and model
estimation more robust. Distributed vector representation is showed to be
useful in many natural language processing applications such as named entity
recognition, disambiguation, parsing, tagging and machine translation.
--- End diff --
In the doc, we still try to have at most 100 chars per line. Could you
reformat the doc?
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