metadata.json

{
    "@id": "http://example.org/join-relation/5-3/25.0/",
    "name": "join_relation_5_3_25.0",
    "description": "Join Relation 5-3 25.0% ",
    "steps": [
        {
            "@id": "http://example.org/join-relation/5-3/25.0/#step1",
            "name": "Load RDB",
            "resource": "PostgreSQL",
            "command": "load_multiple",
            "parameters": {
                "csv_files": [
                    {
                        "file": "data1.csv",
                        "table": "data1"
                    },
                    {
                        "file": "data2.csv",
                        "table": "data2"
                    }
                ]
            },
            "expect_failure": false
        },
        {
            "@id": "http://example.org/join-relation/5-3/25.0/#step2",
            "name": "Execute RML mapping",
            "resource": "RMLMapper",
            "command": "execute_mapping",
            "parameters": {
                "mapping_file": "mapping.r2rml.ttl",
                "output_file": "out.nt",
                "serialization": "ntriples",
                "rdb_host": "PostgreSQL",
                "rdb_port": 5432,
                "rdb_username": "root",
                "rdb_password": "root",
                "rdb_type": "PostgreSQL",
                "rdb_name": "db"
            },
            "expect_failure": false
        }
    ]
}