Semantic Web and Ontologies
Semantic Web and Ontologies is a research topic within Artificial Intelligence. Science Explorer counts 72k research works in it since 1950. 20.1% of them reached the world's top 10% most cited for their field and year.
This cluster of papers focuses on the Semantic Web, ontology development, and related technologies such as Linked Data, RDF, OWL, schema matching, SPARQL, and knowledge representation. It covers topics like data integration, description logics, and the use of ontologies for information retrieval and knowledge management.
- Semantic Web
- Ontology
- Linked Data
- RDF
- OWL
- Schema Matching
- SPARQL
- Knowledge Representation
- Data Integration
- Description Logics
- Research works
- 72k fractional, since 1950
- In the world top 10%
- 15k per year above
- Top-10% rate
- 20.1% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- -30% the tick is no change
Which countries lead Semantic Web and Ontologies research?
By volume, the United States and China publish the most (1.1k and 1k works in 2022–2025).
By volume, 2022–2025
- 1 United States 1.1k works
- 2 China 1k works
- 3 Germany 714 works
- 4 France 435 works
- 5 Italy 380 works
- 6 India 344 works
- 7 United Kingdom 297 works
- 8 Brazil 194 works
- 9 Spain 169 works
- 10 Russia 151 works
How concentrated that is
The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.
Shares of the rows listed above, not of the whole node.
Which institutions lead Semantic Web and Ontologies research?
By volume in 2022–2025, Centre National de la Recherche Scientifique publishes the most Semantic Web and Ontologies research, followed by RWTH Aachen University and TU Wien.
By volume, 2022–2025
- 1 Centre National de la Recherche Scientifique France 37 works
- 2 RWTH Aachen University Germany 37 works
- 3 TU Wien Austria 31 works
- 4 National University of Defense Technology China 27 works
- 5 University of Bologna Italy 26 works
- 6 Tsinghua University China 26 works
- 7 Technische Universität Dresden Germany 23 works
- 8 Technische Informationsbibliothek (TIB) Germany 23 works
- 9 Peking University China 22 works
- 10 Sapienza University of Rome Italy 22 works
Who are the leading researchers in Semantic Web and Ontologies?
The most-cited researchers publishing on Semantic Web and Ontologies include Wei Liu, Wei Liu and Philip S. Yu.
- 1 Wei Liu 9.7k citations
- 2 Wei Liu 9.7k citations
- 3 Philip S. Yu 6.6k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Semantic Web and Ontologies research done?
The largest centres of Semantic Web and Ontologies research in 2022–2025 are Beijing (China), Paris (France), Shanghai (China) and London (United Kingdom). Among places with at least 20 works in it, it is an unusually large share of all research in Mannheim.
Largest cities, 2022–2025
Where it is the local speciality
- MannheimDE · 20.1 works12×
Location quotient: how much more of its research is in Semantic Web and Ontologies than the world average.
Where is the best place to study Semantic Web and Ontologies?
Among universities, judged by research, Free University of Bozen-Bolzano, RWTH Aachen University and Eindhoven University of Technology score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.
One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.
| # | University | Score | Top 10% | Specialisation | Works | Growth |
|---|---|---|---|---|---|---|
| 1 | Free University of Bozen-Bolzano Italy | 68.4 | 32.3% | 27.6× | 19 | -8.9% |
| 2 | RWTH Aachen University Germany | 68.0 | 28.9% | 7.6× | 37 | +30.6% |
| 3 | Eindhoven University of Technology Netherlands | 60.2 | 37.3% | 6.7× | 16 | -34.9% |
| 4 | University of Mannheim Germany | 56.5 | 23.6% | 23.3× | 15 | -14.2% |
| 5 | TU Wien Austria | 56.0 | 10.3% | 14.2× | 31 | -31.3% |
| 6 | Hong Kong University of Science and Technology Hong Kong | 53.4 | 31.0% | 5.4× | 14 | -55.8% |
| 7 | University of Twente Netherlands | 49.8 | 28.1% | 6.4× | 13 | -34.1% |
| 8 | FernUniversität in Hagen Germany | 47.7 | 10.2% | 32.0× | 17 | +26.2% |
| 9 | University of Bologna Italy | 47.6 | 22.1% | 4.8× | 26 | -35.9% |
| 10 | Nanyang Technological University Singapore | 46.5 | 37.5% | 2.1× | 12 | -46.2% |
Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.
Is Semantic Web and Ontologies research growing?
Output in 2018–2022 was 30% lower than in 2013–2017, peaking in 2011.
The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.
Which topics inside it are moving
Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.