Visual and structured understanding
The Graph API transforms requirements into knowledge graphs, making relationships explicit and enabling seamless integration with downstream systems.
FAIR requirements
From text to graph and JSON-LD
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Publish requirements as Linked Data
{
"@context": {
"spec": "https://w3id.org/spec-ontology/spec/",
"rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#",
"rdfs": "http://www.w3.org/2000/01/rdf-schema#",
"xsd": "http://www.w3.org/2001/XMLSchema#",
"oa": "http://www.w3.org/ns/oa#",
"value": "rdf:value"
},
"@graph": [
{
"@id": "https://specified.ai/statement/31a13bdc-62d1-4a5c-acb1-5ca532777ab7",
"@type": "spec:Statement",
"rdf:value": "The drainage system shall remove 20 mm of rainfall per hour within 30 minutes after the rainfall event."
},
{
"@id": "https://specified.ai/requirement/1e79a90c-99d9-4a24-85b5-3d7b98052080",
"@type": "spec:Requirement",
"spec:isDerivedFrom": {
"@id": "https://specified.ai/statement/31a13bdc-62d1-4a5c-acb1-5ca532777ab7"
},
"spec:hasCondition": [
{
"@id": "https://specified.ai/requirement/1e79a90c-99d9-4a24-85b5-3d7b98052080#condition-0",
"@type": "spec:Condition",
"spec:hasAspect": {
"@type": "spec:Aspect",
"rdf:value": "time after rainfall event"
},
"spec:hasAspectValue": {
"@type": "spec:AspectValue",
"rdf:value": "30"
},
"spec:hasAspectUoM": {
"@type": "spec:AspectUoM",
"rdf:value": "minutes"
}
}
],
"spec:hasPerformance": [
{
"@id": "https://specified.ai/requirement/1e79a90c-99d9-4a24-85b5-3d7b98052080#performance-0",
"@type": "spec:Performance",
"spec:hasBindingness": {
"@type": "spec:Bindingness",
"rdf:value": "Must"
},
"spec:hasMainVerb": {
"@type": "spec:MainVerb",
"rdf:value": [
"remove"
]
},
"spec:hasAspect": [
{
"@id": "https://specified.ai/requirement/1e79a90c-99d9-4a24-85b5-3d7b98052080#performance-0#aspect-0",
"@type": "spec:Aspect",
"rdf:value": "rainfall removal rate"
}
],
"spec:hasAspectValue": [
{
"@id": "https://specified.ai/requirement/1e79a90c-99d9-4a24-85b5-3d7b98052080#performance-0#aspectValue-0",
"@type": "spec:AspectValue",
"rdf:value": "20"
}
],
"spec:performanceProvider": [
{
"@id": "https://specified.ai/requirement/1e79a90c-99d9-4a24-85b5-3d7b98052080#system-0",
"@type": "spec:System",
"rdf:value": "drainage system"
}
]
}
]
},
{
"@id": "https://specified.ai/annotation/55-59",
"@type": "oa:Annotation",
"rdfs:label": "hour",
"oa:hasTarget": {
"@type": "oa:SpecificResource",
"oa:hasSource": {
"@id": "https://specified.ai/statement/31a13bdc-62d1-4a5c-acb1-5ca532777ab7"
},
"oa:hasSelector": {
"@type": "oa:TextPositionSelector",
"oa:start": 55,
"oa:end": 59
}
},
"oa:hasBody": {
"@id": "http://www.ontology-of-units-of-measure.org/resource/om-2/hour-Sidereal"
}
},
{
"@id": "https://specified.ai/annotation/20-25",
"@type": "oa:Annotation",
"rdfs:label": "shall",
"oa:hasTarget": {
"@type": "oa:SpecificResource",
"oa:hasSource": {
"@id": "https://specified.ai/statement/31a13bdc-62d1-4a5c-acb1-5ca532777ab7"
},
"oa:hasSelector": {
"@type": "oa:TextPositionSelector",
"oa:start": 20,
"oa:end": 25
}
},
"oa:hasBody": {
"@id": "https://w3id.org/spec-ontology/bind/Must"
}
}
]
}
Features
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