text: SELECT tab0.v1 AS v1 , tab4.v5 AS v5 , tab3.v4 AS v4 , tab2.v3 AS v3 , tab1.v2 AS v2 
   FROM    (SELECT obj AS v1 
  	 FROM wsdbm__follows$$1$$
  	 
  	 WHERE sub = 'wsdbm:User6353'
  	) tab0
   JOIN    (SELECT sub AS v1 , obj AS v2 
  	 FROM wsdbm__likes$$2$$
  	) tab1
   ON(tab0.v1=tab1.v1)
   JOIN    (SELECT obj AS v3 , sub AS v2 
  	 FROM rev__hasReview$$3$$
  	
  	) tab2
   ON(tab1.v2=tab2.v2)
   JOIN    (SELECT obj AS v4 , sub AS v3 
  	 FROM rev__reviewer$$4$$
  	
  	) tab3
   ON(tab2.v3=tab3.v3)
   JOIN    (SELECT obj AS v5 , sub AS v4 
  	 FROM wsdbm__userId$$5$$
  	
  	) tab4
   ON(tab3.v4=tab4.v4)
  
  
  ++++++Tables Statistic
  wsdbm__likes$$2$$	2	OS	wsdbm__likes/rev__hasReview
  	VP	<wsdbm__likes>	11256
  	SO	<wsdbm__likes><wsdbm__follows>	10495	0.93
  	OS	<wsdbm__likes><rev__hasReview>	2392	0.21
  ------
  rev__reviewer$$4$$	1	SO	rev__reviewer/rev__hasReview
  	VP	<rev__reviewer>	15000
  	SO	<rev__reviewer><rev__hasReview>	14757	0.98
  	OS	<rev__reviewer><wsdbm__userId>	15000	1.0
  ------
  rev__hasReview$$3$$	1	SO	rev__hasReview/wsdbm__likes
  	VP	<rev__hasReview>	14757
  	SO	<rev__hasReview><wsdbm__likes>	14049	0.95
  	OS	<rev__hasReview><rev__reviewer>	14757	1.0
  ------
  wsdbm__userId$$5$$	1	SO	wsdbm__userId/rev__reviewer
  	VP	<wsdbm__userId>	10000
  	SO	<wsdbm__userId><rev__reviewer>	2996	0.3
  ------
  wsdbm__follows$$1$$	1	OS	wsdbm__follows/wsdbm__likes
  	VP	<wsdbm__follows>	330403
  	OS	<wsdbm__follows><wsdbm__likes>	78618	0.24
  ------
  