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Company · Marousi · Greece

Hellenic Telecommunications Organization (Greece)

In research, Hellenic Telecommunications Organization (Greece) stands highest in Physical Sciences (#20,151 of 21,541 worldwide), over all time.

ote.gr/web/guestROR OpenAlex
World rank, all time
#25,720
of 42,892
Rank in Greece
#123
of 207
Research works
282
▲ 19% vs 2013–17
Citations
2.8k
10.0 per fractional work
Top-10% rate
26.7%
record average 16.5%
Open access
37%
world 28%

What is Hellenic Telecommunications Organization (Greece) known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Physical SciencesDomain #20,151 of 21,541 13.8%196

Each strip is that field’s whole ranked pool, with the notch where Hellenic Telecommunications Organization (Greece) sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

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: 1.48× its world share, 3 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.62× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 0.86× its world share, 0 worksImmunology and Micro…Neuroscience: 0.07× its world share, 0 worksNeuroscienceChemistry: 0.24× its world share, 0 worksChemistryComputer Science: 3.60× its world share, 12 worksComputer ScienceEarth and Planetary Sciences: 0.82× its world share, 1 worksEarth and Planetary …Energy: 0.16× its world share, 0 worksEnergyEngineering: 2.20× its world share, 14 worksEngineeringEnvironmental Science: 0.96× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.40× its world share, 1 worksMaterials SciencePhysics and Astronomy: 0.54× its world share, 0 worksPhysics and AstronomyDentistry: 1.56× its world share, 0 worksDentistryHealth Professions: 0.55× its world share, 1 worksHealth ProfessionsMedicine: 0.20× its world share, 2 worksMedicineNursing: 0.26× its world share, 0 worksNursingVeterinary: 4.50× its world share, 0 worksVeterinaryBusiness, Management and Accounting: 1.30× its world share, 2 worksBusiness, Management…Decision Sciences: 1.68× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.16× its world share, 0 worksEconomics, Econometr…Psychology: 0.11× its world share, 0 worksPsychologySocial Sciences: 0.42× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Veterinary, 4.5×. Every wedge is a field page.

Who are the top researchers at Hellenic Telecommunications Organization (Greece)?

Ranked on the composite score, Ioannis P. Chochliouros and Anastasia S. Spiliopoulou lead among researchers whose main affiliation is Hellenic Telecommunications Organization (Greece).

  1. 1 Ioannis P. Chochliouros Greece · #1,278,352 worldwide 31 citations · 46 works
  2. 2 Anastasia S. Spiliopoulou Greece · #1,467,464 worldwide 13 citations · 17 works
All ranked researchers at Hellenic Telecommunications Organization (Greece)

Which keywords describe research at Hellenic Telecommunications Organization (Greece)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Internet of Things, 5G Networks, Energy Efficiency, Deep Learning, Healthcare, IoT Security, Mobile Edge Computing and Security and Privacy.

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

Size is fractional works in 2022–2025 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 35 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 35 words, with their numbers
  1. Deep Learning5▲ 3.4×17 topics
  2. Internet of Things4▲ 12×7 topics
  3. 5G Networks4▲ 48×4 topics
  4. Energy Efficiency4▲ 10×8 topics
  5. Healthcare4▲ 7.2×5 topics
  6. IoT Security3▲ 21×3 topics
  7. Mobile Edge Computing3▲ 41×2 topics
  8. Security and Privacy3▲ 34×2 topics
  9. Smart Cities3▲ 24×3 topics
  10. Edge Computing3▲ 46×2 topics
  11. Machine Learning3▲ 1.80×14 topics
  12. Big Data2▲ 6.3×7 topics
  13. Fog Computing2▲ 49×1 topic
  14. Supply Chain Management2▲ 6.0×3 topics
  15. Sustainability2▲ 2.1×7 topics
  16. Climate Change2▲ 1.84×14 topics
  17. Wireless Communication2▲ 32×3 topics
  18. Security2▲ 7.5×6 topics
  19. Massive MIMO2▲ 48×3 topics
  20. Cyber-Physical Systems2▲ 14×2 topics
  21. MIMO Systems2▲ 46×3 topics
  22. Channel Estimation2▲ 41×2 topics
  23. Privacy2▲ 11×2 topics
  24. Intelligent Reflecting Surfaces1▲ 81×1 topic
  25. Non-Orthogonal Multiple Access1▲ 81×1 topic
  26. Sustainable Development1▲ 1.94×6 topics
  27. Distributed Systems1▲ 17×6 topics
  28. Economic Growth1▲ 3.3×3 topics
  29. Neural Networks1▲ 1.80×5 topics
  30. Smart Grid1▲ 7.1×4 topics
  31. Epidemiology1▼ 0.66×9 topics
  32. Wireless Communications1▲ 14×3 topics
  33. Agricultural Development1▲ 14×1 topic
  34. Public Health1▲ 1.61×8 topics
  35. Rural Revitalization1▲ 68×1 topic

Which research topics does Hellenic Telecommunications Organization (Greece) publish most on?

By volume in 2022–2025: IoT and Edge/Fog Computing, Advanced Wireless Communication Technologies, Regional Development and Environment and Software-Defined Networks and 5G.

IoT and Edge/Fog Computing2IoT and Edge/Fog Computing: 2 fractional worksAdvanced Wireless Communication Technologies: 1 fractional worksRegional Development and Environment: 1 fractional worksSoftware-Defined Networks and 5G: 1 fractional worksDigital Transformation in Industry: 1 fractional worksAdvanced MIMO Systems Optimization: 1 fractional worksBig Data and Business In…1Big Data and Business Intelligence: 1 fractional worksTelecommunications and B…1Telecommunications and Broadcasting Technologies: 1 fractional worksAdvanced Photonic Commun…1Advanced Photonic Communication Systems: 1 fractional worksBlockchain Technology Ap…1Blockchain Technology Applications and Security: 1 fractional works
Computer Networks and CommunicationsElectrical and Electronic EngineeringSociology and Political ScienceIndustrial and Manufacturing Engineering3 others

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

  1. 1 IoT and Edge/Fog Computing Computer Networks and Communications 2 works
  2. 2 Advanced Wireless Communication Technologies Electrical and Electronic Engineering 1 works
  3. 3 Regional Development and Environment Sociology and Political Science 1 works
  4. 4 Software-Defined Networks and 5G Computer Networks and Communications 1 works
  5. 5 Digital Transformation in Industry Industrial and Manufacturing Engineering 1 works
  6. 6 Advanced MIMO Systems Optimization Electrical and Electronic Engineering 1 works
  7. 7 Big Data and Business Intelligence Management Information Systems 1 works
  8. 8 Telecommunications and Broadcasting Technologies Media Technology 1 works
  9. 9 Advanced Photonic Communication Systems Electrical and Electronic Engineering 1 works
  10. 10 Blockchain Technology Applications and Security Information Systems 1 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 available37.0%not open63.0%

World: 28% of research is openly available.

with international co-authors31.9%domestic only68.1%

World: 19% is written across borders.

How has Hellenic Telecommunications Organization (Greece)'s research output changed?

Output in 2018–2022 was 19% higher 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 Marousi

All research institutions in Marousi

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.