{
    "id": "http://provenance.ecs.soton.ac.uk/prov-json/schema#",
    "$schema": "http://json-schema.org/draft-04/schema#",
    "description": "Schema for a PROV-JSON document",
    "type": "object",
    "additionalProperties": false,
    "properties": {
        "prefix": {
            "type": "object",
            "patternProperties": {
                        "^[a-zA-Z0-9_\\-]+$": { "type" : "string", "format": "uri" }
            }
        },
        "entity": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/entity" }
        },
        "activity": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/activity" }
        },
        "agent": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/agent" }
        },
        "wasGeneratedBy": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/generation" }
        },
        "used": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/usage" }
        },
        "wasInformedBy": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/communication" }
        },
        "wasStartedBy": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/start" }
        },
        "wasEndedby": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/end" }
        },
        "wasInvalidatedBy": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/invalidation" }
        },
        "wasDerivedFrom": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/derivation" }
        },
        "wasAttributedTo": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/attribution" }
        },
        "wasAssociatedWith": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/association" }
        },
        "actedOnBehalfOf": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/delegation" }
        },
        "wasInfluencedBy": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/influence" }
        },
        "specializationOf": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/specialization" }
        },
        "alternateOf": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/alternate" }
        },
        "hadMember": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/membership" }
        },
        "bundle": {
            "type": "object",
            "additionalProperties": { "$ref":"#/definitions/bundle" }
        }
    },
    "definitions": {
        "typedLiteral": {
            "title": "PROV-JSON Typed Literal",
            "type": "object",
            "properties": {
                "$": { "type": "string" },
                "type": { "type": "string", "format": "uri" },
                "lang": { "type": "string" }
            },
            "required": ["$"],
            "additionalProperties": false
        },
        "stringLiteral": {"type": "string"},
        "numberLiteral": {"type": "number"},
        "booleanLiteral": {"type": "boolean"},
        "literalArray": {
            "type": "array",
            "minItems": 1,
            "items": {
                "anyOf": [
                    { "$ref": "#/definitions/stringLiteral" },
                    { "$ref": "#/definitions/numberLiteral" },
                    { "$ref": "#/definitions/booleanLiteral" },
                    { "$ref": "#/definitions/typedLiteral" }
                ]
            }
        },
        "attributeValues": {
            "anyOf": [
                { "$ref": "#/definitions/stringLiteral" },
                { "$ref": "#/definitions/numberLiteral" },
                { "$ref": "#/definitions/booleanLiteral" },
                { "$ref": "#/definitions/typedLiteral" },
                { "$ref": "#/definitions/literalArray" }
            ]
        },
        "entity": {
            "type": "object",
            "title": "entity",
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "agent": { "$ref": "#/definitions/entity" },
        "activity": {
            "type": "object",
            "title": "activity",
            "prov:startTime": { "type": "string", "format": "date-time" },
            "prov:endTime": { "type": "string", "format": "date-time" },
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "generation": {
            "type": "object",
            "title": "generation/usage",
            "properties": {
                "prov:entity": { "type": "string", "format": "uri" },
                "prov:activity": { "type": "string", "format": "uri" },
                "prov:time": { "type": "string", "format": "date-time" }
            },
            "required": ["prov:entity"],
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "usage": {"$ref":"#/definitions/generation"},
        "communication":{
            "type": "object",
            "title": "communication",
            "properties": {
                "prov:informant": {"type": "string", "format": "uri"},
                "prov:informed": {"type": "string", "format": "uri"}
            },
            "required": ["prov:informant", "prov:informed"],
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "start":{
            "type": "object",
            "title": "start/end",
            "properties": {
                "prov:activity": {"type": "string", "format": "uri"},
                "prov:time": {"type": "string", "format": "date-time"},
                "prov:trigger": {"type": "string", "format": "uri"}
            },
            "required": ["prov:activity"],
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "end": {"$ref":"#/definitions/start"},
        "invalidation":{
            "type": "object",
            "title": "invalidation",
            "properties": {
                "prov:entity": { "type": "string", "format": "uri" },
                "prov:time": { "type": "string", "format": "date-time" },
                "prov:activity": { "type": "string", "format": "uri" }
            },
            "required": ["prov:entity"],
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "derivation":{
            "type": "object",
            "title": "derivation",
            "properties": {
                "prov:generatedEntity": { "type": "string", "format": "uri" },
                "prov:usedEntity": { "type": "string", "format": "uri" },
                "prov:activity": { "type": "string", "format": "uri" },
                "prov:generation": { "type": "string", "format": "uri" },
                "prov:usage": { "type": "string", "format": "uri" }
            },
            "required": ["prov:generatedEntity", "prov:usedEntity"],
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "attribution":{
            "type": "object",
            "title": "attribution",
            "properties": {
                "prov:entity": { "type": "string", "format": "uri" },
                "prov:agent": { "type": "string", "format": "uri" }
            },
            "required": ["prov:entity", "prov:agent"],
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "association": {
            "type": "object",
            "title": "association",
            "properties": {
                "prov:activity": { "type": "string", "format": "uri" },
                "prov:agent": { "type": "string", "format": "uri" },
                "prov:plan": { "type": "string", "format": "uri" }
            },
            "required": ["prov:activity"],
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "delegation": {
            "type": "object",
            "title": "delegation",
            "properties": {
                "prov:delegate": { "type": "string", "format": "uri" },
                "prov:responsible": { "type": "string", "format": "uri" },
                "prov:activity": { "type": "string", "format": "uri" }
            },
            "required": ["prov:delegate", "prov:responsible"],
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "influence": {
            "type": "object",
            "title": "",
            "properties": {
                "prov:influencer": { "type": "string", "format": "uri" },
                "prov:influencee": { "type": "string", "format": "uri" }
            },
            "required": ["prov:influencer", "prov:influencee"],
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "specialization": {
            "type": "object",
            "title": "specialization",
            "properties": {
                "prov:generalEntity": { "type": "string", "format": "uri" },
                "prov:specificEntity": { "type": "string", "format": "uri" }
            },
            "required": ["prov:generalEntity", "prov:specificEntity"],
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "alternate": {
            "type": "object",
            "title": "alternate",
            "properties": {
                "prov:alternate1": { "type": "string", "format": "uri" },
                "prov:alternate2": { "type": "string", "format": "uri" }
            },
            "required": ["prov:alternate1", "prov:alternate2"],
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "membership": {
            "type": "object",
            "title": "membership",
            "properties": {
                "prov:collection": { "type": "string", "format": "uri" },
                "prov:entity": { "type": "string", "format": "uri" }
            },
            "required": ["prov:collection", "prov:entity"],
            "additionalProperties": { "$ref": "#/definitions/attributeValues" }
        },
        "bundle": {
            "type": "object",
            "title": "bundle",
            "properties":{
                "prefix": {
                    "type": "object",
                    "patternProperties": {
                        "^[a-zA-Z0-9_\\-]+$": { "type" : "string", "format": "uri" }
                    }
                },
                "entity": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/entity" }
                },
                "activity": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/activity" }
                },
                "agent": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/agent" }
                },
                "wasGeneratedBy": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/generation" }
                },
                "used": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/usage" }
                },
                "wasInformedBy": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/communication" }
                },
                "wasStartedBy": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/start" }
                },
                "wasEndedby": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/end" }
                },
                "wasInvalidatedBy": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/invalidation" }
                },
                "wasDerivedFrom": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/derivation" }
                },
                "wasAttributedTo": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/attribution" }
                },
                "wasAssociatedWith": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/association" }
                },
                "actedOnBehalfOf": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/delegation" }
                },
                "wasInfluencedBy": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/influence" }
                },
                "specializationOf": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/specialization" }
                },
                "alternateOf": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/alternate" }
                },
                "hadMember": {
                    "type": "object",
                    "additionalProperties": { "$ref":"#/definitions/membership" }
                }
            }
        }
    }
}