<http://rdf.freebase.com/ns/en.ship_maintenance> <http://rdf.freebase.com/ns/base.ikariam.ikariam_research.category> <http://rdf.freebase.com/ns/en.seafaring>.
<http://rdf.freebase.com/ns/en.ship_maintenance> <http://rdf.freebase.com/ns/type.object.key> _:aNvmarJy1498.
<http://rdf.freebase.com/ns/en.ship_maintenance> <http://rdf.freebase.com/ns/type.object.name> "Ship Maintenance"@en.
<http://rdf.freebase.com/ns/en.ship_maintenance> <http://rdf.freebase.com/ns/base.ikariam.ikariam_research.researches_unlocked> <http://rdf.freebase.com/ns/en.expansion>.
<http://rdf.freebase.com/ns/en.ship_maintenance> <http://creativecommons.org/ns#attributionURL> <http://www.freebase.com/view/en/ship_maintenance>.
<http://rdf.freebase.com/ns/en.ship_maintenance> <http://www.w3.org/1999/xhtml/vocab#license> <http://creativecommons.org/licenses/by/3.0/>.
<http://rdf.freebase.com/ns/en.ship_maintenance> <http://creativecommons.org/ns#attributionName> "Source: Freebase - The World's database".
<http://rdf.freebase.com/ns/en.ship_maintenance> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdf.freebase.com/ns/base.ikariam.ikariam_research>.
<http://rdf.freebase.com/ns/en.ship_maintenance> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdf.freebase.com/ns/common.topic>.
<http://rdf.freebase.com/ns/en.ship_maintenance> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://rdf.freebase.com/ns/base.ikariam.topic>.
_:aNvmarJy1498 <http://rdf.freebase.com/ns/type.key.namespace> <http://rdf.freebase.com/ns/en>.
_:aNvmarJy1498 <http://rdf.freebase.com/ns/type.value.value> "ship_maintenance".