change similar queue length

eda/node2vec/src/main/scala/com/gmei/Main.scala

@@ -178,7 +178,7 @@ object Main {
           // sort by score desc. and take top 20 entries
           val similar = Try(similarWords.toSeq.sortBy(-1 * _._3).filter(_._2.startsWith("diary")).take(20).map(_._2).mkString(",")).getOrElse(null)
           (word1,s"$similar")
-      }.filter(_._2.split(",").length > 9)
+      }.filter(_._2.split(",").length > 4)
       result.take(20).foreach(println)
 
       val similar_result = result.toDF("cid","similarity_cid")