Modified reg_simple so it will run, although it is so small none of t…

…he algorithms can make meaningful predictions

data/reg_simple.json

@@ -1 +1 @@
-{"users":[{"id":0,"items":["1","2","3"]},{"id":1,"items":["2","3","4"]}]}
+{"users":[{"id":0,"items":["big","cat","lion","tiger","panther"]},{"id":1,"items":["meow","cat","milk","house"]},{"id":2,"items":["cute","cat","meow"]},{"id":3,"items":["dog","bone","bark","fur"]},{"id":4,"items":["cute","dog"]},{"id":5,"items":["cat","fur"]},{"id":6,"items":["house","people","pets","cat","dog"]},{"id":7,"items":["cat","lion","tiger","panther"]}]}

src/plusone/utils/DatasetJSON.java

@@ -76,8 +76,6 @@ void loadInPlaceFromPath(String filename) {
 		} catch(Exception e) {
 		    e.printStackTrace();
 		}
-
-		System.out.println("total number of papers: " + documents.size());
     }
 
     /** This method is to be called in order to construct a datasetJSON