Unlocking the

 

 

 

 

of Trove

weird search results
ghost records
strange metadata

with the

TROVE DATA GUIDE

unfriendly interfaces

https://slides.com/wragge/hass-tdg

These slides

  • an aggregation of collection metadata

  • a repository of digitised content

  • an archive of Australian web content from 1996 onwards

  • aggregated identity records for people and organisations

  • born-digital publications submitted via eLegal Deposit

  • a platform for user engagement

  • a series of APIs for delivering machine-actionable data

Trove is not one thing...

Single Business Discovery Project

Trove

Trove Data Guide

https://tdg.glam-workbench.net

Community Data Lab

Trove Data Guide

GLAM Workbench

architectures

standards

technologies

principles

  • metadata
  • text
  • images
  • sound
  • born digital objects
  • user generated
  • system statistics

{

what data?

metadata

{

  • catalogue entries
  • authority records
  • library holdings
  • results of processing (eg OCR coordinates)

text

{

  • created by OCR / HTR
  • corrected by users
  • extracted from web pages
  • oral history transcripts
  • titles, abstracts

images

{

  • created by digitisation  (photos, maps, book pages, manuscripts)
  • born digital (via Flickr)

sound

{

  • digitised and born digital oral history recordings

born digital

{

  • web pages  (including images, PDFs, videos)
  • web harvest metadata
  • ePubs (via legal deposit)

user generated

{

  • tags
  • comments
  • lists
  • corrections

system stats

{

  • infer totals from search results
  • contributors

  • Books & Libraries

  • Diaries, Letters & Archives

  • Images, Maps & Artefacts

  • Lists

  • Magazines & Newsletters

  • Music, Audio & Video

  • Newspapers & Gazettes

  • People & Organisations

  • Research & Reports

  • Websites

separate systems /

specific types of things

  • Books & Libraries

  • Diaries, Letters & Archives

  • Images, Maps & Artefacts

  • Lists

  • Magazines & Newsletters

  • Music, Audio & Video

  • Newspapers & Gazettes

  • People & Organisations

  • Research & Reports

  • Websites

aggregated metadata
&
digitised resources

  • Books & Libraries

  • Diaries, Letters & Archives

  • Images, Maps & Artefacts

  • Lists

  • Magazines & Newsletters

  • Music, Audio & Video

  • Newspapers & Gazettes

  • People & Organisations

  • Research & Reports

  • Websites

like newspapers, but not...

Formats by category

https://tdg.glam-workbench.net/what-is-trove/categories-and-zones.html

Categories are containers

 

Categories are contexts for discovery

Trove is designed for discovery not analysis

https://tdg.glam-workbench.net/understanding-search/index.html

https://tdg.glam-workbench.net/understanding-search/simple-search-options.html

De-fuzzify!

https://tdg.glam-workbench.net/understanding-search/finding-digitised-content.html

Find digitised resources

search for "nla.obj"

 

add facets & filters

https://trove.nla.gov.au/work/195172587

One work, 106 different press conferences

https://tdg.glam-workbench.net/what-is-trove/works-and-versions.html

"isPartOf": [
  {
    "value": "Australian ephemera collection (Programs and invitations)",
    "type": "series"
  }
]

Using the series index

https://tdg.glam-workbench.net/what-is-trove/collections.html

search the isPartOf values for "ephemera"

Finding Parliamentary Papers

https://tdg.glam-workbench.net/other-digitised-resources/parliamentary-papers/finding-pp.html

  • Understand the technical context — How does it work? Consult the documentation (and the TDG!) to understand your options.

  • Be creative and strategic — Solve your puzzle by experimenting and looking for clues in the results.

  • Stay critical — Always assume that Trove isn’t telling you everything.

Search is a research method

https://tdg.glam-workbench.net/understanding-search/index.html

https://tdg.glam-workbench.net/accessing-data/using-web-interface.html

https://www.zotero.org/

Data from the web interface

{

      "id": "61389505",
      "url": "https://api.trove.nla.gov.au/v3/newspaper/61389505",
      "heading": "MR. WRAGGE'S \"WRAGGE.\"",
      "category": "Article",
      "title": {
            "id": "64",
            "title": "Clarence and Richmond Examiner (Grafton, NSW : 1889 - 1915)"
      },
      "date": "1902-07-15",
      "page": "4",
      "pageSequence": "4",
      "troveUrl": "https://nla.gov.au/nla.news-article61389505"

}

https://tdg.glam-workbench.net/accessing-data/trove-api-intro.html

Trove API

19 million articles

https://updates.timsherratt.org/2023/08/08/exploring-the-front.html

API+

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 'title': "Lord Robert Cecil's gold fields diary",
 'accessConditions': 'Unrestricted',
 'copyrightPolicy': 'Out of Copyright',
 'recordSource': 'NLACat',
 'digitalStatus': 'Captured',
 'startDate': '01 January 1945',
 'creator': 'Salisbury, Robert Cecil, marquess of, 1830-1903. 338373 9112d83c-f87f-5a34-a022-bea98d9ee823',
 'extent': '32 p., [20] p. of plates : ill. ; 18 cm.',
 'publisherName': 'Melbourne University Press',
 'allowSearchEngineIndexing': 'false',
 'findingAidAvailable': 'No',
 'isOriginalCopyAvaliable': 'false',
 'ocrMetsCopyAvaliable': 'true',
 'partnerNucs': [],
 'parentProjectIds': [],
 'projectIds': [],
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    'accessConditions': 'Unrestricted',
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    'bibLevel': 'Part',
    'digitalStatus': 'Captured',
    'holdingNumber': 'JAFp BIO 92',
    'copies': [{'copyrole': 'access',
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    'title': "Lord Robert Cecil's gold fields diary",
    'bibId': '653766',
    'pid': 'nla.obj-362060828',
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    'accessConditions': 'Unrestricted',
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    'bibLevel': 'Part',
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    'copies': [{'copyrole': 'access',
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    'title': "Lord Robert Cecil's gold fields diary",
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    'copies': [{'copyrole': 'access',
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    'title': "Lord Robert Cecil's gold fields diary",
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    'digitalStatus': 'Captured',
    'holdingNumber': 'JAFp BIO 92',
    'copies': [{'copyrole': 'access',
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   {'id': '36206121',
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    'title': "Lord Robert Cecil's gold fields diary",
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    'digitalStatus': 'Captured',
    'holdingNumber': 'JAFp BIO 92',
    'copies': [{'copyrole': 'access',
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   {'id': '36206134',
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    'title': "Lord Robert Cecil's gold fields diary",
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    'accessConditions': 'Unrestricted',
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    'bibLevel': 'Part',
    'digitalStatus': 'Captured',
    'holdingNumber': 'JAFp BIO 92',
    'copies': [{'copyrole': 'access',
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   {'id': '36206147',
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    'title': "Lord Robert Cecil's gold fields diary",
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    'digitalStatus': 'Captured',
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    'copies': [{'copyrole': 'access',
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      'filesize': 321690,
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     {'copyrole': 'm', 'access': 'false', 'filesize': 14469512}]},
   {'id': '36206160',
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    'title': "Lord Robert Cecil's gold fields diary",
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    'bibLevel': 'Part',
    'digitalStatus': 'Captured',
    'holdingNumber': 'JAFp BIO 92',
    'copies': [{'copyrole': 'access',
      'blobId': 11551402,
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      'filesize': 302721,
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     {'copyrole': 'm', 'access': 'false', 'filesize': 13599008}]},
   {'id': '36206173',
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    'pid': 'nla.obj-362061731',
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    'accessConditions': 'Unrestricted',
    'copyrightPolicy': 'Out of Copyright',
    'bibLevel': 'Part',
    'digitalStatus': 'Captured',
    'holdingNumber': 'JAFp BIO 92',
    'copies': [{'copyrole': 'access',
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   {'id': '36206186',
    'subType': 'page',
    'title': "Lord Robert Cecil's gold fields diary",
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    'accessConditions': 'Unrestricted',
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    'bibLevel': 'Part',
    'digitalStatus': 'Captured',
    'holdingNumber': 'JAFp BIO 92',
    'copies': [{'copyrole': 'access',
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   {'id': '36206199',
    'subType': 'page',
    'title': "Lord Robert Cecil's gold fields diary",
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    'pid': 'nla.obj-362061995',
    'form': 'Book',
    'accessConditions': 'Unrestricted',
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    'bibLevel': 'Part',
    'digitalStatus': 'Captured',
    'holdingNumber': 'JAFp BIO 92',
    'copies': [{'copyrole': 'access',
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    'subType': 'page',
    'title': "Lord Robert Cecil's gold fields diary",
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    'pid': 'nla.obj-362066807',
    'form': 'Book',
    'accessConditions': 'Unrestricted',
    'copyrightPolicy': 'Out of Copyright',
    'bibLevel': 'Part',
    'digitalStatus': 'Captured',
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    'copies': [{'copyrole': 'access',
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      'filename': None,
      'filesize': 323456,
      'technicalmetadata': {'width': 1750, 'height': 2763}},
     {'copyrole': 'm', 'access': 'false', 'filesize': 14533588}]},
   {'id': '36206693',
    'subType': 'page',
    'title': "Lord Robert Cecil's gold fields diary",
    'bibId': '653766',
    'pid': 'nla.obj-362066935',
    'form': 'Book',
    'accessConditions': 'Unrestricted',
    'copyrightPolicy': 'Out of Copyright',
    'bibLevel': 'Part',
    'digitalStatus': 'Captured',
    'holdingNumber': 'JAFp BIO 92',
    'copies': [{'copyrole': 'access',
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      'filename': None,
      'filesize': 324834,
      'technicalmetadata': {'width': 1718, 'height': 2822}},
     {'copyrole': 'm', 'access': 'false', 'filesize': 14569580}]},
   {'id': '36205977',
    'subType': 'page',
    'title': "Lord Robert Cecil's gold fields diary",
    'bibId': '653766',
    'pid': 'nla.obj-362059771',
    'form': 'Book',
    'accessConditions': 'Unrestricted',
    'copyrightPolicy': 'Out of Copyright',
    'bibLevel': 'Part',
    'digitalStatus': 'Captured',
    'holdingNumber': 'JAFp BIO 92',
    'copies': [{'copyrole': 'access',
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      'filename': None,
      'filesize': 361053,
      'technicalmetadata': {'width': 1938, 'height': 2801}},
     {'copyrole': 'm', 'access': 'false', 'filesize': 16310064}]}],
  'article': [],
  'chapter': [{'id': '36207811',
    'subType': 'chapter',
    'subUnitNo': '1',
    'pid': 'nla.obj-362078119',
    'bibLevel': 'Section',
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    'subType': 'chapter',
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    'bibLevel': 'Section',
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  'book': [],
  'volume': [],
  'other': []},
 'topLevelCollection': 'nla.obj-362059651'}

More metadata!

https://tdg.glam-workbench.net/other-digitised-resources/how-to/extract-embedded-metadata.html

https://nla.gov.au/nla.obj-226267069/view

https://nla.gov.au/nla.obj-226267069/image

URL hacking

Newspaper articles per year

2022

2011

Weekly updates!

https://wragge.github.io/trove-newspaper-totals/

7,518,764 articles added in 2023

https://updates.timsherratt.org/2024/01/02/trove-newspapers-in.html

What's missing?

https://tdg.glam-workbench.net/newspapers-and-gazettes/newspaper-corpus.html

  • 6,202 online
  • 1,781 transcripts
  • 15,107 hours

Oral histories

https://tdg.glam-workbench.net/other-digitised-resources/oral-histories/overview.html

Parliamentary Papers

  • 24,990 publications
  • 2,448,522 pages
  • 4 gb of OCRd text

https://tdg.glam-workbench.net/other-digitised-resources/parliamentary-papers/overview.html

More coming!

https://github.com/wragge/trove-data-guide

Suggest a topic!

Tim Sherratt · @wragge@hcommons.social

Trove Data

By Tim Sherratt

Trove Data

  • 863

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