ConceptNet Sources API
Access provenance and source information
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OpenAPI Specification
openapi: 3.2.0
info:
title: ConceptNet REST Sources API
description: ConceptNet is a freely available multilingual knowledge graph providing computers access to common-sense knowledge.
version: '5.7'
license:
name: CC BY-SA 4.0
url: https://creativecommons.org/licenses/by-sa/4.0/
contact:
name: ConceptNet Users Group
url: https://groups.google.com/g/conceptnet-users
x-website: https://conceptnet.io
x-github: https://github.com/commonsense/conceptnet5
servers:
- url: https://api.conceptnet.io
description: ConceptNet public API
tags:
- name: Sources
description: Access provenance and source information
paths:
/s/{sourcePath}:
get:
operationId: getSource
summary: Look up a data source
description: Returns information about a ConceptNet data source such as Open Mind Common Sense, Wiktionary, WordNet, or a specific contributor. Source URIs take the form /s/resource/{dataset} or /s/contributor/omcs/{username}.
tags:
- Sources
parameters:
- name: sourcePath
in: path
description: Source path (e.g. resource/wordnet/3.1 or contributor/omcs/johndoe)
required: true
schema:
type: string
example: resource/wordnet/3.1
- $ref: '#/components/parameters/offset'
- $ref: '#/components/parameters/limit'
responses:
'200':
description: Source node with provenance information
content:
application/json:
schema:
$ref: '#/components/schemas/SourceNode'
'404':
description: Source not found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
components:
parameters:
limit:
name: limit
in: query
description: Maximum number of results to return (0-1000)
required: false
schema:
type: integer
minimum: 0
maximum: 1000
default: 20
offset:
name: offset
in: query
description: Number of results to skip for pagination (0-100000)
required: false
schema:
type: integer
minimum: 0
maximum: 100000
default: 0
schemas:
Edge:
type: object
description: A single ConceptNet assertion (knowledge edge)
properties:
'@id':
type: string
description: Unique URI identifier for this edge
example: /a/[/r/IsA/,/c/en/dog/,/c/en/animal/]
start:
$ref: '#/components/schemas/ConceptRef'
end:
$ref: '#/components/schemas/ConceptRef'
rel:
$ref: '#/components/schemas/RelationRef'
surfaceText:
type:
- string
- 'null'
description: Natural-language sentence the assertion was derived from
example: '[[A dog]] is a [[animal]].'
weight:
type: number
format: float
description: Confidence weight of the assertion (typically 1.0+)
example: 3.46
license:
type: string
description: Creative Commons license identifier
example: cc:by/4.0
dataset:
type: string
description: Dataset URI this assertion came from
example: /d/verbosity
sources:
type: array
items:
$ref: '#/components/schemas/SourceRef'
SourceNode:
type: object
description: JSON-LD node representing a ConceptNet data source
properties:
'@context':
type: array
items:
type: string
'@id':
type: string
description: Source URI
example: /s/resource/wordnet/3.1
edges:
type: array
items:
$ref: '#/components/schemas/Edge'
view:
$ref: '#/components/schemas/Pagination'
SourceRef:
type: object
description: Reference to a data source or contributor
properties:
'@id':
type: string
description: Source URI
example: /s/resource/verbosity
RelationRef:
type: object
description: Reference to a ConceptNet relation type
properties:
'@id':
type: string
description: Relation URI
example: /r/IsA
label:
type: string
description: Human-readable relation name
example: IsA
ConceptRef:
type: object
description: Reference to a ConceptNet concept node
properties:
'@id':
type: string
description: ConceptNet URI
example: /c/en/dog
label:
type: string
description: Human-readable label
example: dog
language:
type: string
description: BCP-47 language code
example: en
term:
type: string
description: Concept URI (same as @id)
example: /c/en/dog
sense_label:
type: string
description: Part-of-speech or sense label if applicable
example: n
Error:
type: object
description: API error response
properties:
error:
type: string
description: Error type identifier
details:
type: string
description: Human-readable error description
Pagination:
type: object
description: Pagination metadata for list responses
properties:
'@id':
type: string
description: URI of the current page
paginatedProperty:
type: string
description: Property name that contains the paginated items
example: edges
firstPage:
type: string
description: URI of the first page
nextPage:
type: string
description: URI of the next page (absent on last page)
previousPage:
type: string
description: URI of the previous page (absent on first page)
comment:
type: string
description: Human-readable summary of current result range
example: Results 1-20 of 143