Brief record format

Deduplication is based on a simplified representation of the bibliographic record, called a “brief record”. This brief record contains only the most relevant fields for deduplication purposes, omitting less critical details. The structure of a brief record is as follows:

{
  "rec_id": "991089939809705501",
  "format": {
    "type": "Book",
    "access": "Physical",
    "analytical": false,
    "f33x": "txt;n;nc"
  },
  "titles": [
    {
      "m": "Russkij jazyk dlya vtorogo i tret'ego goda obuchenija",
      "s": ""
    }
  ],
  "short_titles": [
    "Russkij jazyk dlya vtorogo i tret'ego goda obuchenija"
  ],
  "creators": [
    "Kozlova, L. A."
  ],
  "corp_creators": null,
  "languages": [
    "rus"
  ],
  "extent": {
    "nb": [
      637
    ],
    "txt": "637 S."
  },
  "editions": null,
  "years": {
    "y1": [
      1996
    ]
  },
  "publishers": [
    "Russkij jazyk"
  ],
  "series": null,
  "parent": null,
  "std_nums": [
    "520001767X"
  ],
  "sys_nums": [
    "(swissbib)232025495-41slsp_network"
  ]
}

rec_id:

String, unique identifier of the record. Example: "991089939809705501"

format:

Dictionary with information about the format of the document.

type (string): Type of resource, possible values include:
- Book
- Journal
- Series
- Notated Music
- Audio
- Map
- Manuscript
- Image
- Object
- Video
- Mixed Material
- Other
access (string):
- Physical
- Online
- Microform
- Braille
analytical (boolean): Indicates whether the document is analytical
f33x (string): MARC or internal format code (e.g. txt;n;nc)

titles:

Array of dictionaries with titles of the document

m (string): Main title
s (string): Subtitle (often empty)

short_titles:

Array of strings. Uses 245$$a, $$b, $$p and 246$$a, $$b, $$p fields Main part of the titles (without subtitles)

creators:

Null or array of strings. Uses 100$$a, 700$$a fields. Authors of the document

corp_creators:

Null or array of strings. Uses 110$$a, 111$$a, 710$$a, 711$$a fields. Institutional authors (often null if not applicable).

languages:

Array of strings. Uses 008 positions 35-37 and 041$$a field. Languages of the document, ISO codes (e.g. rus for Russian).

extent:

Object containing information about the physical or textual extent. Uses 300 field.

nb (array of integers): list of numbers used to describe the document
txt (string): Textual description (e.g. 637 S.)

editions:

Null or array. Edition information (null if not provided).

years:

Object containing publication years. Uses 264$$c field and 008 positions 7-14.

y1 (array of integers): Publication years (e.g. [1996])
y2 (array of integers): Additional years (often null)

publishers:

List of strings. USes 264$$b field. Name(s) of the publisher (e.g. "Russkij jazyk").

series:

Null or list, use 490$$a field Editorial series (null if not provided).

parent:

Null or dictionary. It uses the 773 field information

title (string): Title of the parent document.
- issn (string): Content of subfield $$x.
- isbn (string): Content of subfield $$z.
- number (string): Content of subfield $g with prefix no:<content>.
- year (string): Content of subfield $$g with prefix yr:<content>, or the first 4-digit number found in $g.
- parts (array of integers): try to extract numbers in subfield $$g.

std_nums:

List of strings. Standard numbers such as ISBN. Source: 020$$a, 022$$a, 024$$a, 028$$a. Numbers are normalized.

sys_nums:

List of strings. System numbers, all 035$$a values (e.g. (swissbib)232025495-41slsp_network").