{
  "@context": {
    "@version": 1.1,
    "longhorn": "https://longhorn.io/vocab#",
    "schema": "https://schema.org/",
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "dcterms": "http://purl.org/dc/terms/",
    "rdfs": "http://www.w3.org/2000/01/rdf-schema#",
    "skos": "http://www.w3.org/2004/02/skos/core#",
    "k8s": "https://kubernetes.io/docs/concepts/",
    "cncf": "https://www.cncf.io/projects/",

    "Volume": {
      "@id": "longhorn:Volume",
      "@context": {
        "name": "dcterms:title",
        "size": {
          "@id": "longhorn:size",
          "@type": "xsd:string"
        },
        "numberOfReplicas": {
          "@id": "longhorn:numberOfReplicas",
          "@type": "xsd:integer"
        },
        "state": "longhorn:volumeState",
        "robustness": "longhorn:volumeRobustness",
        "frontend": "longhorn:volumeFrontend",
        "accessMode": "longhorn:accessMode",
        "dataLocality": "longhorn:dataLocality",
        "replicaAutoBalance": "longhorn:replicaAutoBalance",
        "encrypted": {
          "@id": "longhorn:encrypted",
          "@type": "xsd:boolean"
        },
        "migratable": {
          "@id": "longhorn:migratable",
          "@type": "xsd:boolean"
        },
        "backingImage": "longhorn:backingImage",
        "currentImage": "longhorn:currentImage",
        "nodeSelector": {
          "@id": "longhorn:nodeSelector",
          "@container": "@set"
        },
        "diskSelector": {
          "@id": "longhorn:diskSelector",
          "@container": "@set"
        },
        "replicas": {
          "@id": "longhorn:replicas",
          "@container": "@set"
        },
        "conditions": "longhorn:conditions",
        "kubernetesStatus": "longhorn:kubernetesStatus"
      },
      "rdfs:label": "Longhorn Volume",
      "rdfs:comment": "A Longhorn distributed block storage volume providing persistent storage for Kubernetes workloads with automatic replication.",
      "skos:broader": "schema:Dataset",
      "skos:exactMatch": "k8s:storage/persistent-volumes/"
    },

    "Replica": {
      "@id": "longhorn:Replica",
      "@context": {
        "name": "dcterms:title",
        "hostId": {
          "@id": "longhorn:hostNode",
          "@type": "@id"
        },
        "diskID": "longhorn:diskID",
        "dataPath": "longhorn:dataPath",
        "mode": "longhorn:replicaMode",
        "running": {
          "@id": "longhorn:running",
          "@type": "xsd:boolean"
        },
        "failedAt": {
          "@id": "longhorn:failedAt",
          "@type": "xsd:dateTime"
        }
      },
      "rdfs:label": "Longhorn Replica",
      "rdfs:comment": "A replica of a Longhorn volume storing a complete copy of volume data on a specific node and disk.",
      "skos:broader": "longhorn:Volume"
    },

    "Snapshot": {
      "@id": "longhorn:Snapshot",
      "@context": {
        "name": "dcterms:title",
        "created": {
          "@id": "dcterms:created",
          "@type": "xsd:dateTime"
        },
        "size": {
          "@id": "longhorn:snapshotSize",
          "@type": "xsd:string"
        },
        "parent": "longhorn:parentSnapshot",
        "removed": {
          "@id": "longhorn:removed",
          "@type": "xsd:boolean"
        },
        "usercreated": {
          "@id": "longhorn:userCreated",
          "@type": "xsd:boolean"
        },
        "labels": "longhorn:labels"
      },
      "rdfs:label": "Longhorn Snapshot",
      "rdfs:comment": "A point-in-time snapshot of a Longhorn volume capturing the volume state at a specific moment.",
      "skos:broader": "longhorn:Volume",
      "skos:related": "schema:DigitalDocument"
    },

    "Backup": {
      "@id": "longhorn:Backup",
      "@context": {
        "name": "dcterms:title",
        "state": "longhorn:backupState",
        "snapshotName": "longhorn:sourceSnapshot",
        "url": {
          "@id": "schema:url",
          "@type": "@id"
        },
        "backupTargetName": "longhorn:backupTarget",
        "volumeName": {
          "@id": "longhorn:sourceVolume",
          "@type": "@id"
        },
        "size": {
          "@id": "longhorn:backupSize",
          "@type": "xsd:string"
        },
        "created": {
          "@id": "dcterms:created",
          "@type": "xsd:dateTime"
        },
        "labels": "longhorn:labels"
      },
      "rdfs:label": "Longhorn Backup",
      "rdfs:comment": "A Longhorn volume backup stored in an external S3-compatible or NFS backup target.",
      "skos:broader": "longhorn:Snapshot",
      "skos:related": "schema:DataDownload"
    },

    "Node": {
      "@id": "longhorn:Node",
      "@context": {
        "name": "dcterms:title",
        "allowScheduling": {
          "@id": "longhorn:allowScheduling",
          "@type": "xsd:boolean"
        },
        "evictionRequested": {
          "@id": "longhorn:evictionRequested",
          "@type": "xsd:boolean"
        },
        "tags": {
          "@id": "longhorn:nodeTags",
          "@container": "@set"
        },
        "disks": "longhorn:disks",
        "conditions": "longhorn:conditions"
      },
      "rdfs:label": "Longhorn Node",
      "rdfs:comment": "A Kubernetes node participating in the Longhorn storage cluster that can host volume replicas.",
      "skos:broader": "schema:ComputerServer",
      "skos:related": "k8s:architecture/nodes/"
    },

    "DiskSpec": {
      "@id": "longhorn:DiskSpec",
      "@context": {
        "path": "longhorn:diskPath",
        "allowScheduling": {
          "@id": "longhorn:allowScheduling",
          "@type": "xsd:boolean"
        },
        "evictionRequested": {
          "@id": "longhorn:evictionRequested",
          "@type": "xsd:boolean"
        },
        "storageReserved": {
          "@id": "longhorn:storageReserved",
          "@type": "xsd:integer"
        },
        "tags": {
          "@id": "longhorn:diskTags",
          "@container": "@set"
        }
      },
      "rdfs:label": "Longhorn Disk",
      "rdfs:comment": "A disk or directory on a Longhorn node available for hosting volume replica data.",
      "skos:broader": "longhorn:Node"
    },

    "RecurringJob": {
      "@id": "longhorn:RecurringJob",
      "@context": {
        "name": "dcterms:title",
        "task": "longhorn:jobTask",
        "cron": "longhorn:cronExpression",
        "retain": {
          "@id": "longhorn:retentionCount",
          "@type": "xsd:integer"
        },
        "concurrency": {
          "@id": "longhorn:concurrency",
          "@type": "xsd:integer"
        },
        "labels": "longhorn:labels",
        "groups": {
          "@id": "longhorn:jobGroups",
          "@container": "@set"
        }
      },
      "rdfs:label": "Longhorn Recurring Job",
      "rdfs:comment": "A scheduled recurring job for automated snapshot or backup operations on Longhorn volumes.",
      "skos:broader": "schema:Action",
      "skos:related": "longhorn:Volume"
    },

    "EngineImage": {
      "@id": "longhorn:EngineImage",
      "@context": {
        "name": "dcterms:title",
        "image": "longhorn:containerImage",
        "state": "longhorn:engineImageState",
        "default": {
          "@id": "longhorn:isDefault",
          "@type": "xsd:boolean"
        }
      },
      "rdfs:label": "Longhorn Engine Image",
      "rdfs:comment": "A container image for the Longhorn storage engine used to manage volume I/O operations.",
      "skos:broader": "schema:SoftwareApplication"
    },

    "BackingImage": {
      "@id": "longhorn:BackingImage",
      "@context": {
        "name": "dcterms:title",
        "sourceType": "longhorn:sourceType",
        "checksum": "longhorn:checksum",
        "diskFileStatusMap": "longhorn:diskFileStatusMap"
      },
      "rdfs:label": "Longhorn Backing Image",
      "rdfs:comment": "A pre-populated base image used as the data layer for Longhorn volumes, enabling fast volume provisioning from a known state.",
      "skos:broader": "schema:ImageObject",
      "skos:related": "longhorn:Volume"
    },

    "Setting": {
      "@id": "longhorn:Setting",
      "@context": {
        "name": "dcterms:title",
        "value": "longhorn:settingValue",
        "definition": "longhorn:settingDefinition"
      },
      "rdfs:label": "Longhorn Setting",
      "rdfs:comment": "A configurable system-wide setting for Longhorn cluster behavior and defaults.",
      "skos:broader": "schema:PropertyValue"
    },

    "name": "dcterms:title",
    "description": "dcterms:description",
    "created": {
      "@id": "dcterms:created",
      "@type": "xsd:dateTime"
    },
    "modified": {
      "@id": "dcterms:modified",
      "@type": "xsd:dateTime"
    },
    "id": "dcterms:identifier"
  }
}