Q: What was Ralf Klamma's primary field of study?

A: Ralf Klamma was a computer scientist specializing in digital libraries, educational technology, and open educational resources.

Q: Where was Ralf Klamma affiliated during his career?

A: He was affiliated with RWTH Aachen University, where he contributed to research in computer science.

Q: What were some of Ralf Klamma's notable achievements?

A: His work focused on developing systems for digital libraries and educational technology, and he was involved in research that advanced the use of open educational resources.

Q: What impact did Ralf Klamma have on the field of computer science?

A: His research contributed to the development of digital libraries and educational technologies, enhancing the accessibility and usability of digital information.

Q: What was Ralf Klamma's nationality?

A: He was a German computer scientist.

Ralf Klamma

German computer scientist (1967-2023)

Person human Q90189768

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Summary

Ralf Klamma was born on January 1, 1967^[1]. He died on January 23, 2023^[2]. He worked as a computer scientist^[3].

Key Facts

Country of citizenship: Germany^[4]
Sex or gender: male^[5]
Family name: Klamma^[6]
Given name: Ralf^[7]
Official website: http://www.dbis.rwth-aachen.de/cms/staff/klamma^[8]
Languages spoken, written or signed: German^[9], English^[10]
Maintained by WikiProject: WikiProject Mathematics^[11]

FAQs

What did Ralf Klamma do for work?

Ralf Klamma worked as a computer scientist^[3].

⭐ Popularity Graph

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Quick Facts

Instance of human

Sex or gender male

Date of birth January 1, 1967

Date of death January 23, 2023

Country of citizenship Germany

Occupation computer scientist

Official website www.dbis.rwth-aachen.de

Website www.dbis.rwth-aachen.de

Birth date 1967

Death date 2023-01-23

Occupation computer scientist

Citizenship Germany

Instance of human

Languages spoken, written or signed German, English

Properties

Acm digital library author id 81100380806

Canadiana name authority id ncf11460349

Cantic id 981058527577406706

Conor.si id 115808867

Cyprus university of technology id 45612

Dblp author id k/RalfKlamma

Ddb person (gnd) id 122642228

Dimensions author id 012364647225.13

Elnet id a12209831

Family name Klamma

Gepris person id 1759643

Given name Ralf

Gnd id 122642228

Google scholar author id wO5fhrsAAAAJ

Idref id 120186284

Ieee xplore author id 37265300200

Isni 0000000047486782

Languages spoken, written or signed German, English

Library of congress authority id no2007105285

Linkedin personal profile id klamma

Loop id 632689

Maintained by wikiproject WikiProject Mathematics

National library of israel j9u id 987007442617205171

Nl cr aut id stk2008415689

Orcid id 0000-0002-2296-3401

Pm20 folder id pe/024484

Scopus author id 6603333022

Sex or gender male

Twitter klamma

Viaf id 73641070

Zbmath author id klamma.ralf

‎yale lux id person/bf21db1f-5a46-4c30-a784-1408755412d2

External References (27)

Acm digital library author id 81100380806

Canadiana name authority id ncf11460349

Cantic id 981058527577406706

Conor.si id 115808867

Cyprus university of technology id 45612

Dblp author id k/RalfKlamma

Ddb person (gnd) id 122642228

Dimensions author id 012364647225.13

Elnet id a12209831

Gepris person id 1759643

Gnd id 122642228

Google scholar author id wO5fhrsAAAAJ

Idref id 120186284

Ieee xplore author id 37265300200

Isni 0000000047486782

Library of congress authority id no2007105285

Linkedin personal profile id klamma

Loop id 632689

National library of israel j9u id 987007442617205171

Nl cr aut id stk2008415689

Orcid id 0000-0002-2296-3401

Pm20 folder id pe/024484

Scopus author id 6603333022

Viaf cluster id 73641070

X (twitter) username klamma

Yale lux id person/bf21db1f-5a46-4c30-a784-1408755412d2

Zbmath author id klamma.ralf

🏷️ Also known as

en Ralf Klamma

🔗 Connections

Author of 6

A Clustering Approach for Collaborative Filtering Recommendation Using Social Network Analysis, Adaptive Indoor Area Localization for Perpetual Crowdsourced Data Collection, Community-aware ranking algorithms for expert identification in question-answer forums, Enabling visual community learning analytics with Internet of Things devices, Interdisciplinary Doctoral Training in Technology-Enhanced Learning in Europe, Near Real-Time Peer-to-Peer Shared Editing on Extensible Data Types

← Authored by 6

Languages spoken, written or signed 2

English, German

Affiliated with 1

RWTH Aachen University

Country of citizenship 1

Germany

Given name 1

Ralf

Instance of 1

human

Maintained by wikiproject 1

WikiProject Mathematics

Occupation 1

computer scientist

Sex or gender 1

male

References

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

Direct Wikidata claims

[5] ↑ Ralf Klamma — sex or gender (P21): male. Integrated Authority File. Retrieved 2023-02-15. wikidata.org.
[4] ↑ Ralf Klamma — country of citizenship (P27): Germany. wikidata.org.
[3] ↑ Ralf Klamma — occupation (P106): computer scientist. Integrated Authority File. Retrieved 2023-02-15. informatik.rwth-aachen.de. Provenance: wikidata.org.
[1] ↑ Ralf Klamma — date of birth (P569): January 1, 1967. Personal Authority Wikibase of the Czech Republic. Retrieved 2021-04-30. informatik.rwth-aachen.de. Provenance: wikidata.org.
[2] ↑ Ralf Klamma — date of death (P570): January 23, 2023. informatik.rwth-aachen.de. Retrieved 2023-11-26. informatik.rwth-aachen.de. Provenance: wikidata.org.
[6] ↑ Ralf Klamma — family name (P734): Klamma. wikidata.org.
[7] ↑ Ralf Klamma — given name (P735): Ralf. wikidata.org.
[8] ↑ Ralf Klamma — official website (P856): http://www.dbis.rwth-aachen.de/cms/staff/klamma. ORCID Public Data File 2020. Retrieved 2021-01-10. pub.orcid.org. Provenance: wikidata.org.
[9] ↑ Ralf Klamma — languages spoken, written or signed (P1412): German. wikidata.org.
[10] ↑ Ralf Klamma — languages spoken, written or signed (P1412): English. wikidata.org.
[11] ↑ Ralf Klamma — maintained by WikiProject (P6104): WikiProject Mathematics. wikidata.org.

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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). Ralf Klamma. Retrieved March 17, 2026, from https://4ort.xyz/entity/ralf-klamma

MLA “Ralf Klamma.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Mar. 2026, https://4ort.xyz/entity/ralf-klamma.

BibTeX

@misc{4ortxyz_ralf-klamma_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ralf Klamma}}, year = {2026}, url = {https://4ort.xyz/entity/ralf-klamma}, note = {Accessed: 2026-03-17}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ralf Klamma — https://4ort.xyz/entity/ralf-klamma (retrieved 2026-03-17)

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