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Stefan Keller

professor
Person human Q133677643
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Summary

Stefan Keller has worked as a professor[1], OpenStreetMap contributor[2], and data engineer[3]. He is known by 4 alternative names across languages and contexts.[4]

Key Facts

  • Field of work: data engineering[5]
  • Employer: Eastern Switzerland University of Applied Sciences[6]
  • Sex or gender: male[7]
  • Family name: Keller[8]
  • Given name: Stefan[9], F.[10]
  • Described at URL: https://dinacon.ch/speakers/prof-stefan-keller/[11], https://www.ost.ch/de/person/stefan-f-keller-1419[12], https://www.odbms.org/about/contributors/kellers/[13]
  • Participant in: FOSSGIS conference 2021[14], State of the Map 2026[15]
  • Uses: PostgreSQL[16]

FAQs

What did Stefan Keller do for work?

Stefan Keller worked as a professor[1], OpenStreetMap contributor[2], and data engineer[3].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [7] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [1] ↑ . wikidata.org.
  4. [2] ↑ . wikidata.org.
  5. [3] ↑ . wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [4] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Stefan Keller. Retrieved May 3, 2026, from https://4ort.xyz/entity/stefan-keller-q133677643
MLA “Stefan Keller.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/stefan-keller-q133677643.
BibTeX @misc{4ortxyz_stefan-keller-q133677643_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Stefan Keller}}, year = {2026}, url = {https://4ort.xyz/entity/stefan-keller-q133677643}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Stefan Keller — https://4ort.xyz/entity/stefan-keller-q133677643 (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5w ago · Mxn · 2026-09-12 view diff on Wikidata ↗
    Family name → Keller
    Given name → Stefan, F.
    Participant in → FOSSGIS conference 2021, State of the Map 2026
    Researchgate profile id → Stefan-Keller-12
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ Participant in: State of the Map 2026, Copying from Christian Quest"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.