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Company · Oslo · Norway

Opera Software (Norway)

opera.comROR OpenAlex
World rank, all time
#21,518
of 34,923
Rank in Norway
#150
of 215
Research works
216
▼ 10% vs 2018-21
Citations
1.7k
7.7 per fractional work
Top-10% rate
4.4%
all institutions 10.0%
vs its own fields
0.96×
1.00× is exactly expected
Open access
70%
world 40%
International
55%
world 18%
Opera Software (Norway)

Which fields of science does Opera Software (Norway) work in?

In 2022-now, 51% of research at Opera Software (Norway) is in Social Sciences, 31% in Physical Sciences. Its largest fields are Social Sciences (23%), Arts and Humanities (11%), Computer Science (9%). It does 1.8× the world's share of Social Sciences.

Social Sciences: 22 fractional works · 50.8% of its workSocial Sciences: 10 fractional works · 22.8% of its workSociology and Political Science: 2 fractional works · 5.8% of its workEducation: 1 fractional works · 3.4% of its workAnthropology: 1 fractional works · 2.9% of its workCultural Studies: 1 fractional works · 2.6% of its workDemography: 1 fractional works · 2.5% of its workPolitical Science and International Relations: 1 fractional works · 2.4% of its workLaw: 0 fractional works · 0.9% of its workHealth: 0 fractional works · 0.8% of its workGender Studies: 0 fractional works · 0.4% of its workUrban Studies: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.5% of its workArts and Humanities: 5 fractional works · 11.2% of its workMusic: 2 fractional works · 4.8% of its workLiterature and Literary Theory: 1 fractional works · 1.4% of its workHistory: 0 fractional works · 1.2% of its workArcheology: 0 fractional works · 0.9% of its workClassics: 0 fractional works · 0.8% of its workMuseology: 0 fractional works · 0.8% of its workConservation: 0 fractional works · 0.4% of its workReligious studies: 0 fractional works · 0.4% of its workVisual Arts and Performing Arts: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 3 fractional works · 6.0% of its workStrategy and Management: 1 fractional works · 2.0% of its workManagement of Technology and Innovation: 1 fractional works · 1.4% of its workOrganizational Behavior and Human Resource Management: 1 fractional works · 1.3% of its workAccounting: 0 fractional works · 1.1% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPsychology: 2 fractional works · 4.6% of its workSocial Psychology: 1 fractional works · 3.4% of its workClinical Psychology: 0 fractional works · 1.2% of its workEconomics, Econometrics and Finance: 2 fractional works · 3.6% of its workEconomics and Econometrics: 1 fractional works · 3.2% of its workFinance: 0 fractional works · 0.4% of its workDecision Sciences: 1 fractional works · 2.6% of its workInformation Systems and Management: 1 fractional works · 2.0% of its workManagement Science and Operations Research: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPhysical Sciences: 13 fractional works · 31.1% of its workComputer Science: 4 fractional works · 8.9% of its workComputer Vision and Pattern Recognition: 2 fractional works · 3.7% of its workInformation Systems: 1 fractional works · 1.7% of its workSignal Processing: 1 fractional works · 1.4% of its workArtificial Intelligence: 0 fractional works · 1.0% of its workComputer Networks and Communications: 0 fractional works · 0.6% of its workHuman-Computer Interaction: 0 fractional works · 0.4% of its workEngineering: 4 fractional works · 8.8% of its workBuilding and Construction: 1 fractional works · 1.8% of its workMechanical Engineering: 0 fractional works · 1.2% of its workAerospace Engineering: 0 fractional works · 1.1% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 1.0% of its workCivil and Structural Engineering: 0 fractional works · 0.8% of its workAutomotive Engineering: 0 fractional works · 0.8% of its workElectrical and Electronic Engineering: 0 fractional works · 0.8% of its workBiomedical Engineering: 0 fractional works · 0.4% of its workControl and Systems Engineering: 0 fractional works · 0.4% of its workOcean Engineering: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEnergy: 2 fractional works · 4.2% of its workRenewable Energy, Sustainability and the Environment: 1 fractional works · 2.6% of its workEnergy Engineering and Power Technology: 1 fractional works · 1.6% of its workEnvironmental Science: 2 fractional works · 3.7% of its workManagement, Monitoring, Policy and Law: 1 fractional works · 1.3% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 1.2% of its workEnvironmental Chemistry: 0 fractional works · 0.7% of its workWater Science and Technology: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMaterials Science: 1 fractional works · 2.4% of its workMaterials Chemistry: 1 fractional works · 2.4% of its workEarth and Planetary Sciences: 1 fractional works · 1.6% of its workGeophysics: 0 fractional works · 1.2% of its workGeology: 0 fractional works · 0.4% of its workPhysics and Astronomy: 0 fractional works · 0.9% of its workAstronomy and Astrophysics: 0 fractional works · 0.5% of its workAtomic and Molecular Physics, and Optics: 0 fractional works · 0.4% of its workChemistry: 0 fractional works · 0.5% of its workPhysical and Theoretical Chemistry: 0 fractional works · 0.5% of its workChemical Engineering: 0 fractional works · 0.2% of its workHealth Sciences: 6 fractional works · 14.7% of its workMedicine: 4 fractional works · 8.4% of its workSurgery: 1 fractional works · 2.7% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 1.2% of its workEpidemiology: 0 fractional works · 0.8% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 0.8% of its workCardiology and Cardiovascular Medicine: 0 fractional works · 0.7% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.5% of its workOphthalmology: 0 fractional works · 0.4% of its workPsychiatry and Mental health: 0 fractional works · 0.4% of its workRehabilitation: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.5% of its workHealth Professions: 3 fractional works · 6.3% of its workOccupational Therapy: 1 fractional works · 1.9% of its workGeneral Health Professions: 1 fractional works · 1.4% of its workHealth Information Management: 0 fractional works · 1.2% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 0 fractional works · 1.2% of its workSpeech and Hearing: 0 fractional works · 0.4% of its workEmergency Medical Services: 0 fractional works · 0.3% of its workLife Sciences: 1 fractional works · 3.5% of its workNeuroscience: 1 fractional works · 1.6% of its workCognitive Neuroscience: 0 fractional works · 1.2% of its workDevelopmental Neuroscience: 0 fractional works · 0.4% of its workAgricultural and Biological Sciences: 0 fractional works · 1.1% of its workForestry: 0 fractional works · 0.7% of its workFood Science: 0 fractional works · 0.4% of its workBiochemistry, Genetics and Molecular Biology: 0 fractional works · 0.5% of its workMolecular Biology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workImmunology and Microbiology: 0 fractional works · 0.3% of its workImmunology: 0 fractional works · 0.3% of its workALL ITS WORKOpera Software(Norway)42fractional works, 2022-now
Life Sciences3%Physical Sciences31%Health Sciences15%Social Sciences51%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 21 fields, with their numbers
    1. Social Sciences1022.8%
    2. Arts and Humanities511.2%
    3. Business, Management and Accounting36.0%
    4. Psychology24.6%
    5. Economics, Econometrics and Finance23.6%
    6. Decision Sciences12.6%
    1. Computer Science48.9%
    2. Engineering48.8%
    3. Energy24.2%
    4. Environmental Science23.7%
    5. Materials Science12.4%
    6. Earth and Planetary Sciences11.6%
    7. Physics and Astronomy00.9%
    8. Chemistry00.5%
    9. Chemical Engineering00.2%
    1. Medicine48.4%
    2. Health Professions36.3%
    1. Neuroscience11.6%
    2. Agricultural and Biological Sciences01.1%
    3. Biochemistry, Genetics and Molecular Biology00.5%
    4. Immunology and Microbiology00.3%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 0.23× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.09× its world share, 0 worksBiochemistry, Geneti…Immunology and Microbiology: 0.33× its world share, 0 worksImmunology and Micro…Neuroscience: 0.97× its world share, 1 worksNeuroscienceChemical Engineering: 0.45× its world share, 0 worksChemical EngineeringChemistry: 0.30× its world share, 0 worksChemistryComputer Science: 1.14× its world share, 4 worksComputer ScienceEarth and Planetary Sciences: 1.00× its world share, 1 worksEarth and Planetary …Energy: 4.56× its world share, 2 worksEnergyEngineering: 0.59× its world share, 4 worksEngineeringEnvironmental Science: 0.74× its world share, 2 worksEnvironmental ScienceMaterials Science: 0.67× its world share, 1 worksMaterials SciencePhysics and Astronomy: 0.41× its world share, 0 worksPhysics and AstronomyHealth Professions: 2.39× its world share, 3 worksHealth ProfessionsMedicine: 0.43× its world share, 4 worksMedicineArts and Humanities: 3.86× its world share, 5 worksArts and HumanitiesBusiness, Management and Accounting: 1.85× its world share, 2 worksBusiness, Management…Decision Sciences: 2.73× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 1.69× its world share, 2 worksEconomics, Econometr…Psychology: 1.51× its world share, 2 worksPsychologySocial Sciences: 1.80× its world share, 10 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Energy, 4.6×. Every wedge is a field page.

All 21 fields, with their numbers
  1. Energy4.56×2 works
  2. Arts and Humanities3.86×5 works
  3. Decision Sciences2.73×1 works
  4. Health Professions2.39×3 works
  5. Business, Management and Accounting1.85×2 works
  6. Social Sciences1.80×10 works
  7. Economics, Econometrics and Finance1.69×2 works
  8. Psychology1.51×2 works
  9. Computer Science1.14×4 works
  10. Earth and Planetary Sciences1.00×1 works
  11. Neuroscience0.97×1 works
  12. Environmental Science0.74×2 works
  13. Materials Science0.67×1 works
  14. Engineering0.59×4 works
  15. Chemical Engineering0.45×0 works
  16. Medicine0.43×4 works
  17. Physics and Astronomy0.41×0 works
  18. Immunology and Microbiology0.33×0 works
  19. Chemistry0.30×0 works
  20. Agricultural and Biological Sciences0.23×0 works
  21. Biochemistry, Genetics and Molecular Biology0.09×0 works

Who are the top researchers at Opera Software (Norway)?

Ranked on the quality score, Philippe Agid, R. Valensi and Oscar Eduardo Tascón Vásquez lead among researchers whose main affiliation is Opera Software (Norway).

  1. 1 Philippe Agid Norway · #3,364,612 worldwide 103 citations · 24 works
  2. 2 R. Valensi Norway · #4,847,755 worldwide 16 citations · 20 works
  3. 3 Oscar Eduardo Tascón Vásquez Norway · #5,325,943 worldwide 0 citations · 23 works
  4. 4 Hermann León Rincón Norway · #5,634,372 worldwide 3 citations · 27 works
  5. 5 R. Baïna Norway · #6,443,317 worldwide 515 citations · 68 works
All ranked researchers at Opera Software (Norway)

What are the most cited papers from Opera Software (Norway)?

The most cited paper from Opera Software (Norway) is "Commute path bandwidth traces from 3G networks" (Haakon Riiser, Paul Vigmostad, Carsten Griwodz et al., 2013), with 371 citations. Next come "Effects of extensive apical reaming and calcium hydroxide dressing on bacterial infection during treatment of apical periodontitis: a pilot study" (286) and "Prevalence of apical periodontitis and results of endodontic treatment in middle‐aged adults in Norway" (161).

Most cited papers
#PaperReleasedCitations
1 Commute path bandwidth traces from 3G networks Haakon Riiser, Paul Vigmostad, Carsten Griwodz et al. Conference paper 28 Feb 2013 371
2 Effects of extensive apical reaming and calcium hydroxide dressing on bacterial infection during treatment of apical periodontitis: a pilot study D. Òrstavik, Kasmer Kerekes, Olav Molven · International Endodontic Journal 1991 286
3 Prevalence of apical periodontitis and results of endodontic treatment in middle‐aged adults in Norway HARALD MARTIN ERIKSEN, Espen Bjertness · Dental Traumatology Feb 1991 161
4 Prevalence of apical periodontitis and results of endodontic treatment in an adult, Portuguese population Marquès, Marques, Moreira et al. · International Endodontic Journal May 1998 160
5 Clinical performance of three endodontic sealers Dag Ørstavik, Kasmer Kerekes, HARALD MARTIN ERIKSEN · Dental Traumatology Aug 1987 145
All 60 most cited papers, with filters and sorting

Which keywords describe research at Opera Software (Norway)?

By fractional works in 2022-now, weighted toward what it does more of than the world: Sustainability, Ethnomusicology, Social Justice, Education, Urban Development, Data Citation, Climate Change and Interactive Evolutionary Computation.

▲ 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-now 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 29 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 29 words, with their numbers
  1. Sustainability4▲ 3.5×14 topics
  2. Climate Change3▲ 2.2×8 topics
  3. Education2▲ 3.3×10 topics
  4. Machine Learning2▲ 1.55×7 topics
  5. Artificial Intelligence2▲ 3.2×4 topics
  6. Ethnomusicology2▲ 109×2 topics
  7. Globalization2▲ 2.2×7 topics
  8. Renewable Energy2▲ 3.2×4 topics
  9. Social Justice2▲ 7.0×4 topics
  10. Sustainable Development2▲ 2.7×8 topics
  11. Data Citation2▲ 69×2 topics
  12. Urban Development2▲ 10×5 topics
  13. Public Health1▲ 2.2×5 topics
  14. Risk Assessment1▲ 4.8×6 topics
  15. Supply Chain Management1▲ 3.5×6 topics
  16. Interactive Evolutionary Computation1▲ 145×1 topic
  17. Music Generation1▲ 145×1 topic
  18. Deep Learning1▼ 0.82×6 topics
  19. Ecomusicology1▲ 124×1 topic
  20. Environmental Sustainability1▲ 18×1 topic
  21. Cultural Identity1▲ 5.1×4 topics
  22. History1▲ 3.6×4 topics
  23. EROI1▲ 73×1 topic
  24. Fossil Fuels1▲ 50×1 topic
  25. Healthcare Access1▲ 9.0×4 topics
  26. Hydrogen Storage1▲ 19×1 topic
  27. Identity1▲ 3.2×5 topics
  28. Materials1▲ 10×1 topic
  29. Mental Health1▲ 1.69×4 topics

Which research topics does Opera Software (Norway) publish most on?

By volume in 2022-now: Music Technology and Sound Studies, Diverse Musicological Studies, Global Energy and Sustainability Research and Hydrogen Storage and Materials.

Music Technology and Sou…1Music Technology and Sound Studies: 1 fractional worksDiverse Musicological St…1Diverse Musicological Studies: 1 fractional worksGlobal Energy and Sustai…1Global Energy and Sustainability Research: 1 fractional worksHydrogen Storage and Mat…1Hydrogen Storage and Materials: 1 fractional worksHistorical and Literary Studies: 1 fractional worksAsian Culture and Media Studies: 1 fractional worksManagement and Optimizat…1Management and Optimization Techniques: 1 fractional worksHybrid Renewable Energy Systems: 1 fractional worksAcademic Research in Diverse Fields: 1 fractional worksMusicology and Musical A…1Musicology and Musical Analysis: 1 fractional works
Computer Vision and Pattern RecognitionMusicRenewable Energy, Sustainability and the EnvironmentMaterials Chemistry5 others

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

  1. 1 Music Technology and Sound Studies Computer Vision and Pattern Recognition 1 works
  2. 2 Diverse Musicological Studies Music 1 works
  3. 3 Global Energy and Sustainability Research Renewable Energy, Sustainability and the Environment 1 works
  4. 4 Hydrogen Storage and Materials Materials Chemistry 1 works
  5. 5 Historical and Literary Studies Anthropology 1 works
  6. 6 Asian Culture and Media Studies Cultural Studies 1 works
  7. 7 Management and Optimization Techniques Strategy and Management 1 works
  8. 8 Hybrid Renewable Energy Systems Energy Engineering and Power Technology 1 works
  9. 9 Academic Research in Diverse Fields Education 1 works
  10. 10 Musicology and Musical Analysis Music 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 available69.7%not open30.3%

World: 40% of research is openly available.

with international co-authors54.8%domestic only45.2%

World: 18% is written across borders.

How has Opera Software (Norway)'s research output changed?

Output in 2022-2025 was 10% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Opera Software (Norway) as a percentage of every work published that year, 0.00023% in 2024.

still counting0.00050%0.0010%0.0015%Opera Software (Norway)0.000075% in 202519801990200020102020

Fractional works of Opera Software (Norway) over all fractional works that year. How the balance of science has shifted.

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Opera Software (Norway) on Science Explorer

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