{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T21:57:24Z","timestamp":1770760644676,"version":"3.50.0"},"reference-count":31,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T00:00:00Z","timestamp":1770681600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Data"],"abstract":"<jats:p>This paper publishes 735,000 historical passenger entries from the German North Sea port of Bremen, created between 1830 and 1939, and now structured, enriched, and processed into a research-ready database. It provides an overview of the original archival documents and their datafication, beginning with a historical account of why the passenger lists were created and which information they recorded. Building on extensive prior work\u2014largely carried out by a team of volunteer transcribers with expertise in family history and genealogy\u2014the lists were transcribed manually and first made available online in 2003. To enhance their analytical value, we computationally post-processed these data through (1) data cleaning, especially addressing spelling variants and transcription errors; (2) data normalisation, including conversion into standardised formats; and (3) data augmentation by adding identifiers, geographic information, and multiple classifications. Finally, we discuss limitations of the resulting dataset as well as its analytical potential.<\/jats:p>","DOI":"10.3390\/data11020037","type":"journal-article","created":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T17:10:52Z","timestamp":1770743452000},"page":"37","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A Century of Migration (1830\u20131939): 735,000 Enriched Records from Bremen\u2019s Ship Passenger Lists"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0009-0008-7070-8705","authenticated-orcid":false,"given":"Tobias","family":"Perschl","sequence":"first","affiliation":[{"name":"Department of Computational Humanities, University of Passau, 94032 Passau, Germany"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4806-2118","authenticated-orcid":false,"given":"Pauline","family":"Schmidt","sequence":"additional","affiliation":[{"name":"Department of Computational Humanities, University of Passau, 94032 Passau, Germany"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5894-2015","authenticated-orcid":false,"given":"Sebastian","family":"Gassner","sequence":"additional","affiliation":[{"name":"Department of Computational Humanities, University of Passau, 94032 Passau, Germany"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3252-0604","authenticated-orcid":false,"given":"Malte","family":"Rehbein","sequence":"additional","affiliation":[{"name":"Department of Computational Humanities, University of Passau, 94032 Passau, Germany"}]}],"member":"1968","published-online":{"date-parts":[[2026,2,10]]},"reference":[{"key":"ref_1","unstructured":"Bade, K.J. 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