Quaerit
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Mapping and querying philosophy.

Quaerit is an online archive of academic metadata — journals, articles, researchers, topics — queryable through a user-friendly interface. For now, it contains data on a specific academic field: philosophy.

The corpus in numbers

253,305Articles
119Journals
77,178Authors
1876–2026Years covered

What Quaerit does

Search and filter the corpus

  • Filter by: year spans, publication types, individual journals
  • Give a label to author groups, and use it afterwards
  • Save your queries and go back to them in a second moment
  • Share permalinks of your results

Analyse the corpus

  • Every author, article, journal, year and term has its own page
  • A wide selection of ready-made queries: terms compared across time, rankings, and collaboration graphs
  • Select the features you need and compare them

Export the results

  • Create your own collection, saving the metadata of the articles you need
  • Exportable citations in different formats: APA, Chicago, MLA, BibTeX and RIS
  • Download charts and graphs as PNGs

Data Transparency

Sources

The article records of our corpus come from open access sources only. So far, we have used OpenAlex and Crossref. Citations and references are matched through each article's DOI.

Curated data

Records go through a cleaning pipeline that involves both manual and automated checks. However, not all the records have been checked yet. When a record has not been checked, this is explicitly indicated.

Limits

  • All our rankings, counts, and graphs are relative to the corpus, not to the entire philosophical literature
  • DOI coverage varies between journals
  • These journals are a curated selection, not the entire literature — the choice of journals reflects our personal experience, which is of course idiosyncratic

Our team

We're philosophy researchers with an interest for digital humanities, and software engineers interested in data management and analysis.

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All articles

Quaerit's All articles view: a filter bar with search, year range, type, journal, author group and saved query controls, above a table of articles showing author, title, year, issue, type, reviewed author, pages, journal and provenance.

The whole corpus in one table, 253,305 rows deep, with every filter stacking on top of the last

Journals overview

Journals overview: a sortable table of all 119 journals with years active, total articles, distinct authors and a breakdown by article, review and other.

All journals side by side.

Title term comparison

Title term comparison chart plotting the words consciousness, knowledge and justice as three lines, each decade from the 1870s to the 2020s, as a percentage of that decade's article titles.

Up to four words compared across article titles over time — per year, per five years or per decade, as raw counts or as a share of each period. Every chart downloads as a PNG, and every view has a permalink that restores it exactly.

Author collaboration graph

Author collaboration graph centred on Bertrand Russell, a force-directed node-link diagram with named neighbours, and buttons to switch the relation between co-authorship, reviewed by, reviewer of and citations.

One author at the centre, four separate relations to explore: co-authorship, reviewed by, reviewer of, and citations within the corpus. Click any neighbour to re-centre on them.

Author profile

Author profile page for Bertrand Russell showing summary statistics, a publications-by-year chart, a journals doughnut chart, a bibliography with citation download links, most common words in titles, and co-authors.

For all 77,178 authors: timeline, journal spread, full bibliography with citation export, common title words, and co-authors

Swipe to browse