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Company · Sofia · Bulgaria

Ontotext (Bulgaria)

ontotext.comROR OpenAlex
World rank, all time
#39,064
of 42,892
Rank in Bulgaria
#106
of 122
Research works
231
▼ 55% vs 2013–17
Citations
2.7k
11.6 per fractional work
Top-10% rate
14.7%
record average 16.5%
Open access
72%
world 28%

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.13× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 2.78× its world share, 3 worksBiochemistry, Geneti…Computer Science: 3.65× its world share, 6 worksComputer ScienceEngineering: 0.16× its world share, 0 worksEngineeringHealth Professions: 0.13× its world share, 0 worksHealth ProfessionsMedicine: 0.06× its world share, 0 worksMedicineArts and Humanities: 7.26× its world share, 4 worksArts and HumanitiesBusiness, Management and Accounting: 0.43× its world share, 0 worksBusiness, Management…Decision Sciences: 2.84× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.13× its world share, 0 worksEconomics, Econometr…Psychology: 0.28× its world share, 0 worksPsychologySocial Sciences: 2.06× its world share, 5 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Arts and Humanities, 7.3×. Every wedge is a field page.

Who are the top researchers at Ontotext (Bulgaria)?

Ranked on the composite score, Klaus-Jürgen Matz, Jean-Pierre Lebrun and Marie‐France Hirigoyen lead among researchers whose main affiliation is Ontotext (Bulgaria).

  1. 1 Klaus-Jürgen Matz Bulgaria · #449,264 worldwide 0 citations · 22 works
  2. 2 Jean-Pierre Lebrun Bulgaria · #702,787 worldwide 10 citations · 61 works
  3. 3 Marie‐France Hirigoyen Bulgaria · #887,437 worldwide 0 citations · 25 works
All ranked researchers at Ontotext (Bulgaria)

Which keywords describe research at Ontotext (Bulgaria)?

By fractional works in all years, weighted toward what it does more of than the world: Mental Health, Data Integration, Semantic Web, Palliative Care, Medical Ethics, Patient Rights, Ethical Practices and Healthcare Legislation.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Mental Health36▲ 14×15 topics
  2. Data Integration22▲ 40×4 topics
  3. Semantic Web22▲ 65×4 topics
  4. Palliative Care18▲ 48×4 topics
  5. Medical Ethics17▲ 43×2 topics
  6. Patient Rights17▲ 78×2 topics
  7. Ethical Practices17▲ 102×1 topic
  8. Healthcare Legislation17▲ 104×1 topic
  9. Linked Data16▲ 92×2 topics
  10. Knowledge Representation15▲ 47×3 topics
  11. Resilience15▲ 17×6 topics
  12. Clinical Practice15▲ 44×2 topics
  13. Description Logics15▲ 64×2 topics
  14. Ontology15▲ 37×1 topic
  15. RDF15▲ 96×1 topic
  16. Developmental Trauma14▲ 195×1 topic
  17. Psychodynamic Psychotherapy14▲ 195×1 topic
  18. Gender11▲ 8.6×10 topics
  19. Public Health11▲ 3.4×10 topics
  20. Identity10▲ 5.7×14 topics
  21. Social Determinants of Health9▲ 18×5 topics
  22. Knowledge Management7▲ 7.0×9 topics
  23. Public Policy7▲ 6.8×5 topics
  24. Text Mining7▲ 33×2 topics
  25. Natural Language Processing6▲ 23×5 topics
  26. Semantic Web Services6▲ 29×2 topics
  27. Community Engagement6▲ 8.8×5 topics
  28. Digital Health6▲ 32×2 topics
  29. Corpus Linguistics6▲ 13×3 topics
  30. Healthcare Policy6▲ 35×1 topic
  31. Inequalities6▲ 70×1 topic
  32. Information Retrieval6▲ 18×4 topics
  33. Biomedical Literature6▲ 90×1 topic
  34. Biomedical Ontologies6▲ 90×1 topic
  35. Migration6▲ 8.0×5 topics
  36. Neural Machine Translation6▲ 30×1 topic
  37. Statistical Machine Translation6▲ 30×1 topic
  38. Healthcare Access5▲ 12×5 topics
  39. Local Development5▲ 17×2 topics
  40. Territorial Governance5▲ 16×2 topics

Which research topics does Ontotext (Bulgaria) publish most on?

By volume in 2022–2025: Biomedical Text Mining and Ontologies, Topic Modeling, German Literature and Culture Studies and Historical Influence and Diplomacy.

Biomedical Text Mining and Ontologies: 2 fractional worksTopic Modeling1Topic Modeling: 1 fractional worksGerman Literature and Cu…1German Literature and Culture Studies: 1 fractional worksHistorical Influence and…1Historical Influence and Diplomacy: 1 fractional worksNatural Language Processing Techniques: 1 fractional worksResearch Data Management Practices: 1 fractional worksHistorical, Literary, an…1Historical, Literary, and Cultural Studies: 1 fractional worksAdvanced Text Analysis Techniques: 1 fractional worksCell Image Analysis Techniques: 1 fractional worksLinguistics and Education Research: 0 fractional works
Molecular BiologyArtificial IntelligenceLiterature and Literary TheoryPolitical Science and International Relations3 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Biomedical Text Mining and Ontologies Molecular Biology 2 works
  2. 2 Topic Modeling Artificial Intelligence 1 works
  3. 3 German Literature and Culture Studies Literature and Literary Theory 1 works
  4. 4 Historical Influence and Diplomacy Political Science and International Relations 1 works
  5. 5 Natural Language Processing Techniques Artificial Intelligence 1 works
  6. 6 Research Data Management Practices Information Systems 1 works
  7. 7 Historical, Literary, and Cultural Studies Classics 1 works
  8. 8 Advanced Text Analysis Techniques Artificial Intelligence 1 works
  9. 9 Cell Image Analysis Techniques Biophysics 1 works
  10. 10 Linguistics and Education Research Literature and Literary Theory 0 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available72.1%not open27.9%

World: 28% of research is openly available.

with international co-authors42.3%domestic only57.7%

World: 19% is written across borders.

How has Ontotext (Bulgaria)'s research output changed?

Output in 2018–2022 was 55% lower than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Sofia

All research institutions in Sofia

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.