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University · Ta‘izz · Yemen

National University

national-univ.netROR OpenAlex
Research works
21
▲ 294% vs 2018-21
Citations
119
5.6 per fractional work
Top-10% rate
13.2%
all institutions 10.0%
Open access
78%
world 40%
International
49%
world 18%
National University

Not ranked overall: National University is under the volume floor below which an excellence rate is noise. Not ranked is not the same as ranked last.

Which fields of science does National University work in?

In all years, 46% of research at National University is in Health Sciences, 26% in Social Sciences. Its largest fields are Medicine (26%), Computer Science (11%), Dentistry (11%). It does 1.6× the world's share of Health Sciences.

Health Sciences: 10 fractional works · 45.9% of its workMedicine: 5 fractional works · 25.8% of its workSurgery: 1 fractional works · 4.5% of its workEpidemiology: 1 fractional works · 4.2% of its workInfectious Diseases: 1 fractional works · 2.5% of its workPharmacology: 0 fractional works · 1.8% of its workGenetics: 0 fractional works · 1.7% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 1.7% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 1.6% of its workPsychiatry and Mental health: 0 fractional works · 1.6% of its workHepatology: 0 fractional works · 1.3% of its workPhysiology: 0 fractional works · 0.9% of its workGeriatrics and Gerontology: 0 fractional works · 0.8% of its workPulmonary and Respiratory Medicine: 0 fractional works · 0.8% of its workHealth Informatics: 0 fractional works · 0.6% of its workCardiology and Cardiovascular Medicine: 0 fractional works · 0.5% of its workOtorhinolaryngology: 0 fractional works · 0.5% of its workOncology: 0 fractional works · 0.3% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workDentistry: 2 fractional works · 11.0% of its workOral Surgery: 1 fractional works · 4.6% of its workOrthodontics: 1 fractional works · 3.6% of its workPeriodontics: 0 fractional works · 2.2% of its workGeneral Dentistry: 0 fractional works · 0.6% of its workHealth Professions: 2 fractional works · 7.5% of its workRadiological and Ultrasound Technology: 1 fractional works · 2.8% of its workGeneral Health Professions: 0 fractional works · 1.9% of its workSpeech and Hearing: 0 fractional works · 1.6% of its workComplementary and Manual Therapy: 0 fractional works · 0.7% of its workEmergency Medical Services: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNursing: 0 fractional works · 1.7% of its workNutrition and Dietetics: 0 fractional works · 1.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workSocial Sciences: 6 fractional works · 26.4% of its workSocial Sciences: 2 fractional works · 8.5% of its workEducation: 1 fractional works · 5.8% of its workSociology and Political Science: 0 fractional works · 1.3% of its workLinguistics and Language: 0 fractional works · 0.8% of its workHealth: 0 fractional works · 0.7% of its workEconomics, Econometrics and Finance: 1 fractional works · 6.6% of its workEconomics and Econometrics: 1 fractional works · 5.8% of its workGeneral Economics, Econometrics and Finance: 0 fractional works · 0.8% of its workPsychology: 1 fractional works · 3.3% of its workDevelopmental and Educational Psychology: 0 fractional works · 2.4% of its workExperimental and Cognitive Psychology: 0 fractional works · 0.8% of its workSmaller subfields together: 0 fractional works · 0.1% of its workArts and Humanities: 1 fractional works · 3.2% of its workMuseology: 0 fractional works · 2.4% of its workLanguage and Linguistics: 0 fractional works · 0.8% of its workBusiness, Management and Accounting: 1 fractional works · 2.5% of its workStrategy and Management: 0 fractional works · 1.2% of its workManagement Information Systems: 0 fractional works · 1.0% of its workMarketing: 0 fractional works · 0.2% of its workDecision Sciences: 0 fractional works · 2.4% of its workInformation Systems and Management: 0 fractional works · 2.4% of its workPhysical Sciences: 5 fractional works · 23.3% of its workComputer Science: 2 fractional works · 11.2% of its workArtificial Intelligence: 1 fractional works · 5.0% of its workInformation Systems: 1 fractional works · 3.4% of its workComputer Vision and Pattern Recognition: 0 fractional works · 1.6% of its workSignal Processing: 0 fractional works · 0.8% of its workComputer Networks and Communications: 0 fractional works · 0.5% of its workEngineering: 1 fractional works · 5.9% of its workControl and Systems Engineering: 0 fractional works · 2.4% of its workElectrical and Electronic Engineering: 0 fractional works · 2.3% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.8% of its workAerospace Engineering: 0 fractional works · 0.5% of its workEarth and Planetary Sciences: 1 fractional works · 3.4% of its workSpace and Planetary Science: 0 fractional works · 2.4% of its workGeophysics: 0 fractional works · 0.8% of its workAtmospheric Science: 0 fractional works · 0.2% of its workPhysics and Astronomy: 0 fractional works · 1.7% of its workRadiation: 0 fractional works · 1.2% of its workAtomic and Molecular Physics, and Optics: 0 fractional works · 0.5% of its workEnvironmental Science: 0 fractional works · 0.5% of its workGlobal and Planetary Change: 0 fractional works · 0.5% of its workChemistry: 0 fractional works · 0.3% of its workOrganic Chemistry: 0 fractional works · 0.3% of its workMaterials Science: 0 fractional works · 0.3% of its workMaterials Chemistry: 0 fractional works · 0.3% of its workLife Sciences: 1 fractional works · 4.4% of its workAgricultural and Biological Sciences: 0 fractional works · 2.4% of its workInsect Science: 0 fractional works · 1.6% of its workFood Science: 0 fractional works · 0.8% of its workBiochemistry, Genetics and Molecular Biology: 0 fractional works · 1.7% of its workMolecular Medicine: 0 fractional works · 0.9% of its workGenetics: 0 fractional works · 0.5% of its workMolecular Biology: 0 fractional works · 0.3% of its workImmunology and Microbiology: 0 fractional works · 0.4% of its workApplied Microbiology and Biotechnology: 0 fractional works · 0.4% of its workALL ITS WORKNationalUniversity21fractional works, all years
Life Sciences4%Physical Sciences23%Health Sciences46%Social Sciences26%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. 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 20 fields, with their numbers
    1. Medicine525.8%
    2. Dentistry211.0%
    3. Health Professions27.5%
    4. Nursing01.7%
    1. Social Sciences28.5%
    2. Economics, Econometrics and Finance16.6%
    3. Psychology13.3%
    4. Arts and Humanities13.2%
    5. Business, Management and Accounting12.5%
    6. Decision Sciences02.4%
    1. Computer Science211.2%
    2. Engineering15.9%
    3. Earth and Planetary Sciences13.4%
    4. Physics and Astronomy01.7%
    5. Environmental Science00.5%
    6. Chemistry00.3%
    7. Materials Science00.3%
    1. Agricultural and Biological Sciences02.4%
    2. Biochemistry, Genetics and Molecular Biology01.7%
    3. Immunology and Microbiology00.4%
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.

Biochemistry, Genetics and Molecular Biology: 0.22× its world share, 0 worksBiochemistry, Geneti…Chemistry: 0.25× its world share, 0 worksChemistryComputer Science: 0.59× its world share, 1 worksComputer ScienceEngineering: 0.13× its world share, 0 worksEngineeringEnvironmental Science: 0.16× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.11× its world share, 0 worksMaterials SciencePhysics and Astronomy: 0.79× its world share, 0 worksPhysics and AstronomyDentistry: 33.52× its world share, 2 worksDentistryHealth Professions: 4.18× its world share, 2 worksHealth ProfessionsMedicine: 1.50× its world share, 4 worksMedicineNursing: 5.05× its world share, 0 worksNursingArts and Humanities: 0.40× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.67× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 4.53× its world share, 1 worksEconomics, Econometr…Psychology: 1.58× its world share, 1 worksPsychologySocial Sciences: 1.00× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Dentistry, 33.5×. Every wedge is a field page.

All 16 fields, with their numbers
  1. Dentistry33.52×2 works
  2. Nursing5.05×0 works
  3. Economics, Econometrics and Finance4.53×1 works
  4. Health Professions4.18×2 works
  5. Psychology1.58×1 works
  6. Medicine1.50×4 works
  7. Social Sciences1.00×2 works
  8. Physics and Astronomy0.79×0 works
  9. Business, Management and Accounting0.67×0 works
  10. Computer Science0.59×1 works
  11. Arts and Humanities0.40×0 works
  12. Chemistry0.25×0 works
  13. Biochemistry, Genetics and Molecular Biology0.22×0 works
  14. Environmental Science0.16×0 works
  15. Engineering0.13×0 works
  16. Materials Science0.11×0 works

What are the most cited papers from National University?

The most cited paper from National University is "Geodetic constraints on present‐day motion of the Arabian Plate: Implications for Red Sea and Gulf of Aden rifting" (Abdullah ArRajehi, S. McClusky, Robert E. Reilinger et al., 2010), with 238 citations. Next come "Kinematics of the southern Red Sea–Afar Triple Junction and implications for plate dynamics" (173) and "Dental implant planning using artificial intelligence: A systematic review and meta-analysis" (44).

Most cited papers
#PaperReleasedCitations
1 Geodetic constraints on present‐day motion of the Arabian Plate: Implications for Red Sea and Gulf of Aden rifting Abdullah ArRajehi, S. McClusky, Robert E. Reilinger et al. · Tectonics Open access Jun 2010 238
2 Kinematics of the southern Red Sea–Afar Triple Junction and implications for plate dynamics S. McClusky, Robert E. Reilinger, Ghebrebrhan Ogubazghi et al. · Geophysical Research Letters Open access Mar 2010 173
3 Dental implant planning using artificial intelligence: A systematic review and meta-analysis Ahmed Yaseen Alqutaibi, Radhwan S. Algabri, Wafaa I. M. Ibrahim et al. · Journal of Prosthetic Dentistry Review 22 Apr 2024 44
4 Advancements in artificial intelligence algorithms for dental implant identification: A systematic review with meta-analysis Ahmed Yaseen Alqutaibi, Radhwan S. Algabri, Dina Mohamed Ahmed Elawady et al. · Journal of Prosthetic Dentistry Review 29 Dec 2023 33
5 Comparison of Laguerre-Gaussian, Hermite–Gaussian and linearly polarized modes in SDM over FMF with electrical nonlinear equalizer Alaa Fareed, Alaan Ghazi, Aras Al-dawoodi et al. · AIP conference proceedings Conference paper 2020 21
All 71 most cited papers, with filters and sorting

Which keywords describe research at National University?

By fractional works in all years, weighted toward what it does more of than the world: Digital Transformation, Machine Learning, Epidemiology, Knowledge Management, Organizational Performance, Supply Chain Management, Healthcare and Quality of Life.

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

All 13 words, with their numbers
  1. Epidemiology2▲ 2.5×17 topics
  2. Machine Learning2▲ 4.0×5 topics
  3. Digital Transformation1▲ 24×4 topics
  4. Quality of Life1▲ 4.5×8 topics
  5. Knowledge Management1▲ 12×2 topics
  6. Healthcare1▲ 7.4×2 topics
  7. Organizational Performance1▲ 36×2 topics
  8. Supply Chain Management1▲ 10×2 topics
  9. Coercive Diplomacy1▲ 570×1 topic
  10. Economic Sanctions1▲ 286×1 topic
  11. IoT1▲ 22×1 topic
  12. Remote Sensing1▲ 4.5×3 topics
  13. Smart Cities1▲ 41×1 topic

Which research topics does National University publish most on?

By volume in 2022-now: Economic Sanctions and International Relations, Radioactivity and Radon Measurements, Lipoproteins and Cardiovascular Health and Software Engineering Techniques and Practices.

Economic Sanctions and International Relations: 1 fractional worksRadioactivity and Radon Measurements: 1 fractional worksLipoproteins and Cardiovascular Health: 0 fractional worksSoftware Engineering Techniques and Practices: 0 fractional worksLearning Styles and Cognitive Differences: 0 fractional worksDental materials and restorations: 0 fractional worksArabic Language Educatio…0Arabic Language Education Studies: 0 fractional worksDental Radiography and Imaging: 0 fractional worksDysphagia Assessment and Management: 0 fractional worksChild Nutrition and Feeding Issues: 0 fractional works
Economics and EconometricsRadiological and Ultrasound TechnologySurgeryInformation Systems6 others

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

  1. 1 Economic Sanctions and International Relations Economics and Econometrics 1 works
  2. 2 Radioactivity and Radon Measurements Radiological and Ultrasound Technology 1 works
  3. 3 Lipoproteins and Cardiovascular Health Surgery 0 works
  4. 4 Software Engineering Techniques and Practices Information Systems 0 works
  5. 5 Learning Styles and Cognitive Differences Developmental and Educational Psychology 0 works
  6. 6 Dental materials and restorations Orthodontics 0 works
  7. 7 Arabic Language Education Studies Education 0 works
  8. 8 Dental Radiography and Imaging Oral Surgery 0 works
  9. 9 Dysphagia Assessment and Management Speech and Hearing 0 works
  10. 10 Child Nutrition and Feeding Issues Psychiatry and Mental health 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 available77.8%not open22.2%

World: 40% of research is openly available.

with international co-authors48.6%domestic only51.4%

World: 18% is written across borders.

How has National University's research output changed?

Output in 2022-2025 was 294% higher than in 2018-2021.

still counting20052010201520202025
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 National University as a percentage of every work published that year, 0.000075% in 2024.

still counting0.000050%0.00010%National University0.000040% in 202520102020

Fractional works of National University over all fractional works that year. How the balance of science has shifted.

Other research institutions in Ta‘izz

All research institutions in Ta‘izz

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

Discussion

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