About: http://webisa.webdatacommons.org/151173496

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	But I suggest if the group you joined is big such as 10-15 people, tip around 2-3 Euros, If the group is small such as 5-9 people, you may want to tip 5 Euros for their time spent with you.
http://www.w3.org/ns/prov#wasQuotedFrom	travellerspoint.com