@startuml compareware-erd
skinparam linetype ortho
hide circle
left to right direction
'!theme sandstone
!theme blueprint

entity User {
    Id: Autoumber
    --
    (UNIQUE) Name: String
    Pass: String
}

entity Item {
    WikidataId: String
    --
}

entity Review {
    Id: Autoumber
    --
    (FK) AuthorId
    Text: String
}

entity ItemTag {
    Id: Autoumber
    --
    (INDEX) Key: String
    Value: String
}

entity ReviewTag {
    Id: Autoumber
    --
    (INDEX) Key: String
    Value: String
}

User ||--o{ Review::AuthorId: Writes
Item ||--o{ ItemTag
Review ||--o{ ReviewTag
Item }|--o{ Review
User }|--|{ User: Trusts

@enduml