Snips NLU Ontology

Ontology of the Snips NLU library API which describes supported languages and builtin entities.

Supported languages

Language	Identifier
German	de
English	en
Spanish	es
French	fr
Italian	it
Portuguese - Europe	pt_pt
Portuguese - Brazil	pt_br
Japanese	ja
Korean	ko

Supported builtin entities

Entity	Identifier	Category
AmountOfMoney	snips/amountOfMoney	Grammar Entity
City	snips/city	Gazetteer Entity
Country	snips/country	Gazetteer Entity
Date	snips/date	Grammar Entity
DatePeriod	snips/datePeriod	Grammar Entity
Datetime	snips/datetime	Grammar Entity
Duration	snips/duration	Grammar Entity
MusicAlbum	snips/musicAlbum	Gazetteer Entity
MusicArtist	snips/musicArtist	Gazetteer Entity
MusicTrack	snips/musicTrack	Gazetteer Entity
Number	snips/number	Grammar Entity
Ordinal	snips/ordinal	Grammar Entity
Percentage	snips/percentage	Grammar Entity
Region	snips/region	Gazetteer Entity
Temperature	snips/temperature	Grammar Entity
Time	snips/time	Grammar Entity
TimePeriod	snips/timePeriod	Grammar Entity

Grammar Entity

Grammar entities, in the context of Snips NLU, correspond to entities which contain significant compositionality. The semantic meaning of such an entity is determined by the meanings of its constituent expressions and the rules used to combine them. Modern semantic parsers for these entities are often based on defining a formal grammar. In the case of Snips NLU, the parser used to handle these entities is Rustling, a Rust adaptation of Facebook's duckling.

Gazetteer Entity

Gazetteer entities correspond to all the builtin entities which do not contain any semantical structure, as opposed to the grammar entities. For such entities, a gazetteer entity parser is used to perform the parsing.

Results Examples

The following sections provide results examples for each builtin entity.

AmountOfMoney

[
  {
    "kind": "AmountOfMoney",
    "value": 10.05,
    "precision": "Approximate",
    "unit": "€"
  }
]

City

[
  {
    "kind": "City",
    "value": "Paris"
  }
]

Country

[
  {
    "kind": "Country",
    "value": "France"
  }
]

Date

[
  {
    "kind": "InstantTime",
    "value": "2017-06-13 00:00:00 +02:00",
    "grain": "Day",
    "precision": "Exact"
  }
]

DatePeriod

[
  {
    "kind": "TimeInterval",
    "from": "2017-06-07 00:00:00 +02:00",
    "to": "2017-06-09 00:00:00 +02:00"
  }
]

Datetime

[
  {
    "kind": "InstantTime",
    "value": "2017-06-13 18:00:00 +02:00",
    "grain": "Hour",
    "precision": "Exact"
  },
  {
    "kind": "TimeInterval",
    "from": "2017-06-07 18:00:00 +02:00",
    "to": "2017-06-08 00:00:00 +02:00"
  }
]

Duration

[
  {
    "kind": "Duration",
    "years": 0,
    "quarters": 0,
    "months": 3,
    "weeks": 0,
    "days": 0,
    "hours": 0,
    "minutes": 0,
    "seconds": 0,
    "precision": "Exact"
  }
]

MusicAlbum

[
  {
    "kind": "MusicAlbum",
    "value": "Discovery"
  }
]

MusicArtist

[
  {
    "kind": "MusicArtist",
    "value": "Daft Punk"
  }
]

MusicTrack

[
  {
    "kind": "MusicTrack",
    "value": "Harder Better Faster Stronger"
  }
]

Number

[
  {
    "kind": "Number",
    "value": 42.0
  }
]

Ordinal

[
  {
    "kind": "Ordinal",
    "value": 2
  }
]

Percentage

[
  {
    "kind": "Percentage",
    "value": 20.0
  }
]

Region

[
  {
    "kind": "Region",
    "value": "California"
  }
]

Temperature

[
  {
    "kind": "Temperature",
    "value": 23.0,
    "unit": "celsius"
  },
  {
    "kind": "Temperature",
    "value": 60.0,
    "unit": "fahrenheit"
  }
]

Time

[
  {
    "kind": "InstantTime",
    "value": "2017-06-13 18:00:00 +02:00",
    "grain": "Hour",
    "precision": "Exact"
  }
]

TimePeriod

[
  {
    "kind": "TimeInterval",
    "from": "2017-06-07 18:00:00 +02:00",
    "to": "2017-06-07 20:00:00 +02:00"
  }
]