#	Source	Acronym	Url	Found by

metadata (debug):

http://ceur-ws.org/Vol-1878

{
    "daterange": null,
    "delimiter": null,
    "description": null,
    "enum": "1st",
    "eventId": "Vol-1878",
    "eventType": "Workshop",
    "extract": null,
    "field": null,
    "frequency": null,
    "location": null,
    "lookupAcronym": null,
    "month": null,
    "ordinal": 1,
    "organization": null,
    "prefix": null,
    "proceedingsUrl": "http://ceur-ws.org/Vol-1878",
    "province": null,
    "publish": "Proceedings",
    "scope": "International",
    "source": "CEUR-WS",
    "syntax": "on",
    "title": "Joint Proceedings of the 1st International Workshop on Scientometrics and 1st International\n                     Workshop on Enabling Decentralised Scholarly Communication",
    "topic": null,
    "year": null
}

Expected {'Proceedings' | 'proceedings'}, found 'Joint'  (at char 0), (line:1, col:1)