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Company · Vienna · United States

Defense Systems (United States)

In research, Defense Systems (United States) stands highest in Physical Sciences (#3,871 of 21,541 worldwide), Engineering (#2,188 of 11,412 worldwide) and Computer Science (#2,070 of 7,020 worldwide), over all time.

defensesystems.comROR OpenAlex
World rank, all time
#6,235
of 42,892
Rank in United States
#1,430
of 8,685
Research works
1.5k
▼ 22% vs 2013–17
Citations
16k
10.9 per fractional work
Top-10% rate
11.4%
record average 16.5%
Open access
11%
world 28%

What is Defense Systems (United States) 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 #3,871 of 21,541 15.4%1,359
EngineeringField #2,188 of 11,412 15.0%847
Computer ScienceField #2,070 of 7,020 14.4%195
Aerospace EngineeringSubfield #1,022 of 1,730 21.8%258
Electrical and Electronic EngineeringSubfield #2,563 of 4,248 12.4%246
Physics and AstronomyField #2,652 of 3,663 19.1%179

Each strip is that field’s whole ranked pool, with the notch where Defense Systems (United States) 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: 0.21× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.86× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 0.12× its world share, 0 worksImmunology and Micro…Neuroscience: 0.24× its world share, 0 worksNeuroscienceChemical Engineering: 0.35× its world share, 0 worksChemical EngineeringChemistry: 0.55× its world share, 0 worksChemistryComputer Science: 1.78× its world share, 6 worksComputer ScienceEarth and Planetary Sciences: 2.79× its world share, 2 worksEarth and Planetary …Engineering: 2.80× its world share, 19 worksEngineeringEnvironmental Science: 2.24× its world share, 5 worksEnvironmental ScienceMaterials Science: 0.75× its world share, 1 worksMaterials ScienceMathematics: 0.93× its world share, 0 worksMathematicsPhysics and Astronomy: 2.99× its world share, 3 worksPhysics and AstronomyHealth Professions: 0.21× its world share, 0 worksHealth ProfessionsMedicine: 0.23× its world share, 2 worksMedicineBusiness, Management and Accounting: 0.12× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.35× its world share, 0 worksEconomics, Econometr…Psychology: 0.46× its world share, 1 worksPsychologySocial Sciences: 0.30× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Physics and Astronomy, 3.0×. Every wedge is a field page.

Who are the top researchers at Defense Systems (United States)?

Ranked on the composite score, John M. Halligan and Yulin Wang lead among researchers whose main affiliation is Defense Systems (United States).

  1. 1 John M. Halligan United States · #561,573 worldwide 0 citations · 20 works
  2. 2 Yulin Wang United States · #1,570,362 worldwide 8 citations · 20 works
All ranked researchers at Defense Systems (United States)

Which keywords describe research at Defense Systems (United States)?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Machine Learning, Water Quality, Monitoring, Wastewater, Raman Spectroscopy, Biomedical Imaging, Deep Learning and Infrared Spectroscopy.

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

All 20 words, with their numbers
  1. Machine Learning6▲ 4.0×15 topics
  2. Deep Learning3▲ 2.1×16 topics
  3. Water Quality3▲ 14×2 topics
  4. Monitoring2▲ 60×1 topic
  5. Wastewater2▲ 70×1 topic
  6. Raman Spectroscopy2▲ 23×3 topics
  7. Biomedical Imaging2▲ 67×2 topics
  8. Infrared Spectroscopy2▲ 108×1 topic
  9. Protein Analysis2▲ 108×1 topic
  10. Neural Networks2▲ 2.4×7 topics
  11. Remote Sensing2▲ 2.8×11 topics
  12. Artificial Intelligence1▲ 2.4×6 topics
  13. Convolutional Neural Networks1▲ 4.3×7 topics
  14. Orbit Determination1▲ 58×2 topics
  15. Risk Assessment1▲ 3.7×5 topics
  16. Data Assimilation1▲ 15×4 topics
  17. Digital Fabrication1▲ 29×2 topics
  18. Mechanical Properties1▲ 2.4×7 topics
  19. On-Orbit Servicing1▲ 104×1 topic
  20. Space Debris1▲ 104×1 topic

Which research topics does Defense Systems (United States) publish most on?

By volume in 2022–2025: Water Quality Monitoring and Analysis, Spectroscopy Techniques in Biomedical and Chemical Research, Space Satellite Systems and Control and Underwater Acoustics Research.

Water Quality Monitoring…2Water Quality Monitoring and Analysis: 2 fractional worksSpectroscopy Techniques in Biomedical and Chemical Research: 2 fractional worksSpace Satellite Systems and Control: 1 fractional worksUnderwater Acoustics Research: 1 fractional worksArchitecture and Computational Design: 1 fractional worksSpacecraft Design and Te…1Spacecraft Design and Technology: 1 fractional worksSpacecraft and Cryogenic Technologies: 1 fractional worksLaser Design and Applications: 1 fractional worksSpace exploration and regulation: 0 fractional worksSpace Exploration and Technology: 0 fractional works
Industrial and Manufacturing EngineeringBiophysicsAerospace EngineeringOceanography3 others

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

  1. 1 Water Quality Monitoring and Analysis Industrial and Manufacturing Engineering 2 works
  2. 2 Spectroscopy Techniques in Biomedical and Chemical Research Biophysics 2 works
  3. 3 Space Satellite Systems and Control Aerospace Engineering 1 works
  4. 4 Underwater Acoustics Research Oceanography 1 works
  5. 5 Architecture and Computational Design Architecture 1 works
  6. 6 Spacecraft Design and Technology Aerospace Engineering 1 works
  7. 7 Spacecraft and Cryogenic Technologies Aerospace Engineering 1 works
  8. 8 Laser Design and Applications Electrical and Electronic Engineering 1 works
  9. 9 Space exploration and regulation Astronomy and Astrophysics 0 works
  10. 10 Space Exploration and Technology Aerospace Engineering 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 available11.2%not open88.8%

World: 28% of research is openly available.

with international co-authors7.5%domestic only92.5%

World: 19% is written across borders.

How has Defense Systems (United States)'s research output changed?

Output in 2018–2022 was 22% 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 Vienna

All research institutions in Vienna

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.