package <http://mimathon.askem.eu/uc2/pois>:
  dolfin_version "1"
  version "0.1.0"
  author "LESL (Lea, Eliott, Sattisvar & Louis), Dolfin & Askem"
  description "Canonical model for points of interest, MIMathon Porto 2026 use case 02. Multilingual names and descriptions, schema.org category alignment, structured address and contact, ready to feed Smart Data Models PointOfInterest."

concept Language:
  one of:
    pt
    en
    es
    fr
    de
    it
    other

concept LocalizedText:
  has lang: one Language
  has value: one string

concept Category:
  has sourceLabel: one string
  has schemaOrgRefs: at least 1 string
  has wikidataRef: optional string

concept PostalAddress:
  has streetName: optional string
  has streetNumber: optional string
  has locality: optional string
  has postalCode: optional string
  has country: optional string

concept ContactPoint:
  has telephone: optional string
  has email: optional string
  has website: optional string

concept Location:
  has latitude: one float
  has longitude: one float

concept PointOfInterest:
  has localId: one string
  has names: at least 1 LocalizedText
  has descriptions: LocalizedText
  has category: one Category
  has location: one Location
  has address: optional PostalAddress
  has contact: optional ContactPoint
  has capacity: optional int
  has costRating: optional int