{
  "label2id": {
    "O": 0,
    "B-TITLE": 1,
    "I-TITLE": 2,
    "B-AUTHOR": 3,
    "I-AUTHOR": 4,
    "B-DATE": 5,
    "I-DATE": 6,
    "B-DOI": 7,
    "I-DOI": 8,
    "B-ISSN": 9,
    "I-ISSN": 10,
    "B-EISSN": 11,
    "I-EISSN": 12,
    "B-JOURNAL": 13,
    "I-JOURNAL": 14,
    "B-PUBLISHER": 15,
    "I-PUBLISHER": 16,
    "B-PAGES": 17,
    "I-PAGES": 18,
    "B-FIRST_PAGE": 19,
    "I-FIRST_PAGE": 20,
    "B-LAST_PAGE": 21,
    "I-LAST_PAGE": 22,
    "B-LANGUAGE": 23,
    "I-LANGUAGE": 24,
    "B-VOLUME": 25,
    "I-VOLUME": 26,
    "B-ISSUE": 27,
    "I-ISSUE": 28,
    "B-ABSTRACT": 29,
    "I-ABSTRACT": 30,
    "B-AFFILIATION": 31,
    "I-AFFILIATION": 32,
    "B-KEYWORD": 33,
    "I-KEYWORD": 34,
    "B-DOC_TYPE": 35,
    "I-DOC_TYPE": 36,
    "B-ISBN": 37,
    "I-ISBN": 38,
    "B-EISBN": 39,
    "I-EISBN": 40,
    "B-EDITOR": 41,
    "I-EDITOR": 42,
    "B-ORCID": 43,
    "I-ORCID": 44,
    "B-BOOK_VERSION": 45,
    "I-BOOK_VERSION": 46,
    "B-SUBTITLE": 47,
    "I-SUBTITLE": 48,
    "B-CONFERENCE_TITLE": 49,
    "I-CONFERENCE_TITLE": 50,
    "B-BOOK_SERIES": 51,
    "I-BOOK_SERIES": 52,
    "B-BOOK_TITLE": 53,
    "I-BOOK_TITLE": 54
  },
  "id2label": {
    "0": "O",
    "1": "B-TITLE",
    "2": "I-TITLE",
    "3": "B-AUTHOR",
    "4": "I-AUTHOR",
    "5": "B-DATE",
    "6": "I-DATE",
    "7": "B-DOI",
    "8": "I-DOI",
    "9": "B-ISSN",
    "10": "I-ISSN",
    "11": "B-EISSN",
    "12": "I-EISSN",
    "13": "B-JOURNAL",
    "14": "I-JOURNAL",
    "15": "B-PUBLISHER",
    "16": "I-PUBLISHER",
    "17": "B-PAGES",
    "18": "I-PAGES",
    "19": "B-FIRST_PAGE",
    "20": "I-FIRST_PAGE",
    "21": "B-LAST_PAGE",
    "22": "I-LAST_PAGE",
    "23": "B-LANGUAGE",
    "24": "I-LANGUAGE",
    "25": "B-VOLUME",
    "26": "I-VOLUME",
    "27": "B-ISSUE",
    "28": "I-ISSUE",
    "29": "B-ABSTRACT",
    "30": "I-ABSTRACT",
    "31": "B-AFFILIATION",
    "32": "I-AFFILIATION",
    "33": "B-KEYWORD",
    "34": "I-KEYWORD",
    "35": "B-DOC_TYPE",
    "36": "I-DOC_TYPE",
    "37": "B-ISBN",
    "38": "I-ISBN",
    "39": "B-EISBN",
    "40": "I-EISBN",
    "41": "B-EDITOR",
    "42": "I-EDITOR",
    "43": "B-ORCID",
    "44": "I-ORCID",
    "45": "B-BOOK_VERSION",
    "46": "I-BOOK_VERSION",
    "47": "B-SUBTITLE",
    "48": "I-SUBTITLE",
    "49": "B-CONFERENCE_TITLE",
    "50": "I-CONFERENCE_TITLE",
    "51": "B-BOOK_SERIES",
    "52": "I-BOOK_SERIES",
    "53": "B-BOOK_TITLE",
    "54": "I-BOOK_TITLE"
  }
}