Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/8253#discussion_r37245262
--- Diff: docs/mllib-frequent-pattern-mining.md ---
@@ -96,3 +96,92 @@ for (FPGrowth.FreqItemset<String> itemset:
model.freqItemsets().toJavaRDD().coll
</div>
</div>
+
+## Prefix Span
+
+Prefix Span is a sequential pattern mining algorithm described in
+[Mortazavi-Asl et al., Mining Sequential Patterns by Pattern-Growth: The
--- End diff --
`Mortazavi-Asl` -> `Pei`, who is the first author of the paper.
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