{
  "@context": {
    "@version": 1.1,
    "cubefs": "https://cubefs.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#",
    "cncf": "https://www.cncf.io/projects/",

    "Volume": {
      "@id": "cubefs:Volume",
      "@context": {
        "name": "dcterms:title",
        "owner": {
          "@id": "cubefs:owner",
          "@type": "@id"
        },
        "capacity": {
          "@id": "cubefs:capacity",
          "@type": "xsd:integer"
        },
        "replicaNum": {
          "@id": "cubefs:replicaNum",
          "@type": "xsd:integer"
        },
        "volType": "cubefs:volumeType",
        "status": "cubefs:volumeStatus",
        "createTime": {
          "@id": "dcterms:created",
          "@type": "xsd:dateTime"
        },
        "usedSize": {
          "@id": "cubefs:usedSize",
          "@type": "xsd:integer"
        },
        "totalSize": {
          "@id": "cubefs:totalSize",
          "@type": "xsd:integer"
        },
        "dataPartitions": {
          "@id": "cubefs:dataPartitions",
          "@container": "@set"
        },
        "metaPartitions": {
          "@id": "cubefs:metaPartitions",
          "@container": "@set"
        }
      },
      "rdfs:label": "CubeFS Volume",
      "rdfs:comment": "A CubeFS volume, the top-level storage namespace supporting POSIX, HDFS, and S3-compatible access protocols.",
      "skos:broader": "schema:Dataset",
      "skos:exactMatch": "schema:StorageObject"
    },

    "DataPartition": {
      "@id": "cubefs:DataPartition",
      "@context": {
        "partitionID": {
          "@id": "cubefs:partitionID",
          "@type": "xsd:integer"
        },
        "status": "cubefs:partitionStatus",
        "replicaNum": {
          "@id": "cubefs:replicaNum",
          "@type": "xsd:integer"
        },
        "hosts": {
          "@id": "cubefs:replicaHosts",
          "@container": "@set"
        },
        "total": {
          "@id": "cubefs:totalBytes",
          "@type": "xsd:integer"
        },
        "used": {
          "@id": "cubefs:usedBytes",
          "@type": "xsd:integer"
        }
      },
      "rdfs:label": "Data Partition",
      "rdfs:comment": "A CubeFS data partition that stores replicated data blocks across data nodes.",
      "skos:broader": "cubefs:Volume"
    },

    "MetaPartition": {
      "@id": "cubefs:MetaPartition",
      "@context": {
        "partitionID": {
          "@id": "cubefs:partitionID",
          "@type": "xsd:integer"
        },
        "start": {
          "@id": "cubefs:inodeRangeStart",
          "@type": "xsd:integer"
        },
        "end": {
          "@id": "cubefs:inodeRangeEnd",
          "@type": "xsd:integer"
        },
        "inodeCount": {
          "@id": "cubefs:inodeCount",
          "@type": "xsd:integer"
        },
        "hosts": {
          "@id": "cubefs:replicaHosts",
          "@container": "@set"
        },
        "leader": {
          "@id": "cubefs:raftLeader",
          "@type": "@id"
        }
      },
      "rdfs:label": "Metadata Partition",
      "rdfs:comment": "A CubeFS metadata partition that stores inode and directory entry data across metadata nodes.",
      "skos:broader": "cubefs:Volume"
    },

    "DataNode": {
      "@id": "cubefs:DataNode",
      "@context": {
        "addr": {
          "@id": "schema:url",
          "@type": "@id"
        },
        "status": "cubefs:nodeStatus",
        "isWritable": "cubefs:isWritable",
        "totalWeight": {
          "@id": "cubefs:totalBytes",
          "@type": "xsd:integer"
        },
        "usedWeight": {
          "@id": "cubefs:usedBytes",
          "@type": "xsd:integer"
        },
        "availableSpace": {
          "@id": "cubefs:availableBytes",
          "@type": "xsd:integer"
        },
        "dataPartitionCount": {
          "@id": "cubefs:partitionCount",
          "@type": "xsd:integer"
        }
      },
      "rdfs:label": "Data Node",
      "rdfs:comment": "A CubeFS storage node that hosts data partition replicas on local disk.",
      "skos:broader": "schema:ComputerServer",
      "skos:related": "cubefs:DataPartition"
    },

    "MetaNode": {
      "@id": "cubefs:MetaNode",
      "@context": {
        "addr": {
          "@id": "schema:url",
          "@type": "@id"
        },
        "status": "cubefs:nodeStatus",
        "isWritable": "cubefs:isWritable",
        "totalWeight": {
          "@id": "cubefs:totalBytes",
          "@type": "xsd:integer"
        },
        "usedWeight": {
          "@id": "cubefs:usedBytes",
          "@type": "xsd:integer"
        },
        "metaPartitionCount": {
          "@id": "cubefs:partitionCount",
          "@type": "xsd:integer"
        }
      },
      "rdfs:label": "Metadata Node",
      "rdfs:comment": "A CubeFS node that stores and manages metadata partitions containing file system inodes and directory entries.",
      "skos:broader": "schema:ComputerServer",
      "skos:related": "cubefs:MetaPartition"
    },

    "User": {
      "@id": "cubefs:User",
      "@context": {
        "user_id": "dcterms:identifier",
        "access_key": "cubefs:accessKey",
        "secret_key": "cubefs:secretKey",
        "own_vols": {
          "@id": "cubefs:ownedVolumes",
          "@container": "@set"
        },
        "authorized_vols": "cubefs:authorizedVolumes",
        "user_type": "cubefs:userType",
        "create_time": {
          "@id": "dcterms:created",
          "@type": "xsd:dateTime"
        }
      },
      "rdfs:label": "CubeFS User",
      "rdfs:comment": "A CubeFS user account with S3-compatible credentials and volume ownership/access rights.",
      "skos:broader": "schema:Person",
      "skos:related": "cubefs:Volume"
    },

    "Cluster": {
      "@id": "cubefs:Cluster",
      "@context": {
        "Name": "dcterms:title",
        "LeaderAddr": {
          "@id": "cubefs:leaderAddress",
          "@type": "@id"
        },
        "DataNodes": {
          "@id": "cubefs:dataNodes",
          "@container": "@set"
        },
        "MetaNodes": {
          "@id": "cubefs:metaNodes",
          "@container": "@set"
        }
      },
      "rdfs:label": "CubeFS Cluster",
      "rdfs:comment": "A CubeFS distributed storage cluster comprising data nodes, metadata nodes, and managed volumes.",
      "skos:broader": "schema:SoftwareApplication",
      "skos:exactMatch": "cncf:cubefs"
    },

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