Neo4j and Cypher (tests) Finding the users that liked some product a few days ago.

Graph Gist Sample

#New graph
START root=node(0) 
CREATE 
(User1 { name:'User1' }),
(User2 { name: 'User2' }),
(User3 { name: 'User3' }),

(Mac { name: 'Mac' }),
(Samsung { name: 'Samsung' }),
(Brastemp { name: 'Brastemp' }),
(Sony { name: 'Sony' }), 

root-[:ROOT]->User1,  User1-[:LIKE {day:1378944000000}]->Sony, User1-[:LIKE {day:1378944000000}]->Samsung, 
root-[:ROOT]->User2, User2-[:LIKE {day:1378944000000}]->Mac, User2-[:LIKE {day:1978944000000}]->Sony, User2-[:LIKE {day:1978984000000}]->Samsung, 
root-[:ROOT]->User3, User3-[:LIKE {day:1978984000000}]->Brastemp, User3-[:LIKE {day:1978984000000}]->Mac

#who are the users that liked the products after the day 1379451489693 (Tue Sep 17 2013 17:58:09 GMT-0300 (BRT))
START 
n = node(0)
MATCH n-[*]->u-[r:LIKE]->p
WHERE r.day >= 1379451489693
RETURN u.name as user, type(r) as relationship, p.name as product, r.day as day

#TODO - who are the users that liked some product between a date range?
#TODO - who are the users that liked at least N products?
#TODO - who are the users that liked at least N products filtering by date or date range?
#TODO - who are the users that liked the same products in the same date or date range?
#TODO - what are the top five liked products?
#TODO - an user 'X' liked a product 'P' in a date or date range?

#Delete all nodes and relationships
START n = node(*)
MATCH n-[r]-()
DELETE n, r