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Company · Alexandria · United States

Systems Planning and Analysis (United States)

spa.comROR OpenAlex
World rank, all time
#29,835
of 34,923
Rank in United States
#6,278
of 7,310
Research works
120
▲ 100% vs 2018-21
Citations
1.6k
13.5 per fractional work
Top-10% rate
11.0%
all institutions 10.0%
vs its own fields
1.06×
1.00× is exactly expected
Open access
15%
world 40%
International
13%
world 18%
Systems Planning and Analysis (United States)

Which fields of science does Systems Planning and Analysis (United States) work in?

In all years, 69% of research at Systems Planning and Analysis (United States) is in Physical Sciences, 24% in Social Sciences. Its largest fields are Engineering (38%), Environmental Science (14%), Social Sciences (9%). It does 1.7× the world's share of Physical Sciences.

Physical Sciences: 83 fractional works · 69.3% of its workEngineering: 45 fractional works · 37.5% of its workElectrical and Electronic Engineering: 14 fractional works · 11.7% of its workAerospace Engineering: 8 fractional works · 6.6% of its workControl and Systems Engineering: 5 fractional works · 4.1% of its workOcean Engineering: 4 fractional works · 3.4% of its workBiomedical Engineering: 4 fractional works · 3.1% of its workCivil and Structural Engineering: 3 fractional works · 2.3% of its workSafety, Risk, Reliability and Quality: 2 fractional works · 1.7% of its workMechanics of Materials: 1 fractional works · 1.2% of its workComputational Mechanics: 1 fractional works · 1.1% of its workMedia Technology: 1 fractional works · 1.0% of its workMechanical Engineering: 1 fractional works · 0.8% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 0.2% of its workAutomotive Engineering: 0 fractional works · 0.2% of its workEnvironmental Science: 16 fractional works · 13.7% of its workPollution: 5 fractional works · 4.1% of its workGlobal and Planetary Change: 4 fractional works · 3.1% of its workHealth, Toxicology and Mutagenesis: 2 fractional works · 1.5% of its workWater Science and Technology: 1 fractional works · 1.1% of its workEcology: 1 fractional works · 1.1% of its workEnvironmental Chemistry: 1 fractional works · 0.8% of its workEnvironmental Engineering: 1 fractional works · 0.7% of its workManagement, Monitoring, Policy and Law: 1 fractional works · 0.5% of its workIndustrial and Manufacturing Engineering: 1 fractional works · 0.5% of its workNature and Landscape Conservation: 0 fractional works · 0.3% of its workComputer Science: 7 fractional works · 5.9% of its workArtificial Intelligence: 2 fractional works · 1.8% of its workComputer Networks and Communications: 2 fractional works · 1.5% of its workComputer Vision and Pattern Recognition: 1 fractional works · 0.7% of its workInformation Systems: 1 fractional works · 0.6% of its workSignal Processing: 1 fractional works · 0.6% of its workComputational Theory and Mathematics: 1 fractional works · 0.5% of its workComputer Science Applications: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 7 fractional works · 5.9% of its workOceanography: 3 fractional works · 2.8% of its workAtmospheric Science: 1 fractional works · 1.0% of its workGeophysics: 1 fractional works · 0.9% of its workEarth-Surface Processes: 1 fractional works · 0.9% of its workGeology: 0 fractional works · 0.3% of its workPhysics and Astronomy: 3 fractional works · 2.2% of its workAstronomy and Astrophysics: 1 fractional works · 0.9% of its workStatistical and Nonlinear Physics: 1 fractional works · 0.8% of its workNuclear and High Energy Physics: 0 fractional works · 0.3% of its workAtomic and Molecular Physics, and Optics: 0 fractional works · 0.2% of its workMathematics: 1 fractional works · 1.2% of its workGeometry and Topology: 0 fractional works · 0.3% of its workApplied Mathematics: 0 fractional works · 0.3% of its workModeling and Simulation: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workMaterials Science: 1 fractional works · 1.0% of its workMaterials Chemistry: 1 fractional works · 1.0% of its workEnergy: 1 fractional works · 0.7% of its workRenewable Energy, Sustainability and the Environment: 1 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemistry: 1 fractional works · 0.6% of its workAnalytical Chemistry: 1 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemical Engineering: 1 fractional works · 0.5% of its workBioengineering: 1 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.0% of its workSocial Sciences: 28 fractional works · 23.6% of its workSocial Sciences: 11 fractional works · 9.2% of its workTransportation: 3 fractional works · 2.5% of its workSociology and Political Science: 2 fractional works · 1.8% of its workEducation: 2 fractional works · 1.8% of its workPolitical Science and International Relations: 1 fractional works · 1.1% of its workPublic Administration: 1 fractional works · 0.6% of its workUrban Studies: 1 fractional works · 0.5% of its workGeography, Planning and Development: 0 fractional works · 0.3% of its workDemography: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.4% of its workBusiness, Management and Accounting: 7 fractional works · 5.5% of its workManagement Information Systems: 3 fractional works · 2.7% of its workStrategy and Management: 1 fractional works · 1.1% of its workManagement of Technology and Innovation: 1 fractional works · 0.9% of its workMarketing: 0 fractional works · 0.4% of its workOrganizational Behavior and Human Resource Management: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workDecision Sciences: 6 fractional works · 5.1% of its workManagement Science and Operations Research: 5 fractional works · 4.2% of its workStatistics, Probability and Uncertainty: 1 fractional works · 0.8% of its workEconomics, Econometrics and Finance: 3 fractional works · 2.1% of its workEconomics and Econometrics: 2 fractional works · 1.4% of its workGeneral Economics, Econometrics and Finance: 1 fractional works · 0.5% of its workFinance: 0 fractional works · 0.2% of its workPsychology: 2 fractional works · 1.5% of its workSocial Psychology: 1 fractional works · 1.2% of its workClinical Psychology: 0 fractional works · 0.3% of its workArts and Humanities: 0 fractional works · 0.2% of its workHealth Sciences: 6 fractional works · 5.1% of its workMedicine: 5 fractional works · 4.3% of its workSurgery: 2 fractional works · 1.4% of its workEmergency Medicine: 1 fractional works · 0.8% of its workEpidemiology: 1 fractional works · 0.7% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 0.5% of its workSmaller subfields together: 1 fractional works · 0.9% of its workHealth Professions: 1 fractional works · 0.7% of its workMedical Laboratory Technology: 0 fractional works · 0.4% of its workGeneral Health Professions: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNursing: 0 fractional works · 0.0% of its workLife Sciences: 3 fractional works · 2.1% of its workAgricultural and Biological Sciences: 2 fractional works · 1.3% of its workPlant Science: 1 fractional works · 0.5% of its workGeneral Agricultural and Biological Sciences: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.4% of its workBiochemistry, Genetics and Molecular Biology: 1 fractional works · 0.6% of its workMolecular Biology: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workImmunology and Microbiology: 0 fractional works · 0.2% of its workALL ITS WORKSystems Planningand Analysis…120fractional works, all years
Life Sciences2%Physical Sciences69%Health Sciences5%Social Sciences24%

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 22 fields, with their numbers
    1. Engineering4537.5%
    2. Environmental Science1613.7%
    3. Computer Science75.9%
    4. Earth and Planetary Sciences75.9%
    5. Physics and Astronomy32.2%
    6. Mathematics11.2%
    7. Materials Science11.0%
    8. Energy10.7%
    9. Chemistry10.6%
    10. Chemical Engineering10.5%
    1. Social Sciences119.2%
    2. Business, Management and Accounting75.5%
    3. Decision Sciences65.1%
    4. Economics, Econometrics and Finance32.1%
    5. Psychology21.5%
    6. Arts and Humanities00.2%
    1. Medicine54.3%
    2. Health Professions10.7%
    3. Nursing00.0%
    1. Agricultural and Biological Sciences21.3%
    2. Biochemistry, Genetics and Molecular Biology10.6%
    3. Immunology and Microbiology00.2%
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: 0.28× its world share, 0 worksAgricultural and Bio…Immunology and Microbiology: 1.24× its world share, 0 worksImmunology and Micro…Chemical Engineering: 0.53× its world share, 0 worksChemical EngineeringChemistry: 1.43× its world share, 0 worksChemistryComputer Science: 1.47× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 2.40× its world share, 1 worksEarth and Planetary …Energy: 2.44× its world share, 0 worksEnergyEngineering: 1.14× its world share, 2 worksEngineeringEnvironmental Science: 4.04× its world share, 3 worksEnvironmental SciencePhysics and Astronomy: 0.25× its world share, 0 worksPhysics and AstronomyHealth Professions: 0.21× its world share, 0 worksHealth ProfessionsMedicine: 0.58× its world share, 2 worksMedicineBusiness, Management and Accounting: 0.23× its world share, 0 worksBusiness, Management…Decision Sciences: 6.37× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 1.26× its world share, 0 worksEconomics, Econometr…Psychology: 1.10× its world share, 0 worksPsychologySocial Sciences: 1.19× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Decision Sciences, 6.4×. Every wedge is a field page.

All 17 fields, with their numbers
  1. Decision Sciences6.37×1 works
  2. Environmental Science4.04×3 works
  3. Energy2.44×0 works
  4. Earth and Planetary Sciences2.40×1 works
  5. Computer Science1.47×2 works
  6. Chemistry1.43×0 works
  7. Economics, Econometrics and Finance1.26×0 works
  8. Immunology and Microbiology1.24×0 works
  9. Social Sciences1.19×2 works
  10. Engineering1.14×2 works
  11. Psychology1.10×0 works
  12. Medicine0.58×2 works
  13. Chemical Engineering0.53×0 works
  14. Agricultural and Biological Sciences0.28×0 works
  15. Physics and Astronomy0.25×0 works
  16. Business, Management and Accounting0.23×0 works
  17. Health Professions0.21×0 works

Who are the top researchers at Systems Planning and Analysis (United States)?

Ranked on the quality score, William H. Gruber, Harold Fravel and John B. Niemczuk lead among researchers whose main affiliation is Systems Planning and Analysis (United States).

  1. 1 William H. Gruber United States · #3,568,743 worldwide 666 citations · 35 works
  2. 2 Harold Fravel United States · #4,459,075 worldwide 88 citations · 22 works
  3. 3 John B. Niemczuk United States · #4,547,357 worldwide 144 citations · 16 works
  4. 4 Chris Baldwin United States · #5,429,305 worldwide 478 citations · 43 works
  5. 5 Jason S. Kiddy United States · #5,449,649 worldwide 262 citations · 34 works
  6. 6 Peter C. Chen United States · #5,699,531 worldwide 667 citations · 90 works
All ranked researchers at Systems Planning and Analysis (United States)

What are the most cited papers from Systems Planning and Analysis (United States)?

The most cited paper from Systems Planning and Analysis (United States) is "Ultrahigh resolution topographic mapping of Mars with MRO HiRISE stereo images: Meter‐scale slopes of candidate Phoenix landing sites" (R. L. Kirk, Elpitha Howington‐Kraus, Mark R. Rosiek et al., 2008), with 452 citations. Next come "Shoreline oiling from the Deepwater Horizon oil spill" (198) and "Origin, Evolution, and Classification of Tidal Inlets" (142).

Most cited papers
#PaperReleasedCitations
1 Ultrahigh resolution topographic mapping of Mars with MRO HiRISE stereo images: Meter‐scale slopes of candidate Phoenix landing sites R. L. Kirk, Elpitha Howington‐Kraus, Mark R. Rosiek et al. · Journal of Geophysical Research Atmospheres Open access Mar 2008 452
2 Shoreline oiling from the Deepwater Horizon oil spill Zachary Nixon, Scott A. Zengel, Mary C. Baker et al. · Marine Pollution Bulletin Open access 20 Apr 2016 198
3 Origin, Evolution, and Classification of Tidal Inlets Miles O. Hayes, Duncan M. FitzGerald · Journal of Coastal Research Sep 2013 142
4 Large-scale risk assessment of polycyclic aromatic hydrocarbons in shoreline sediments from Saudi Arabia: Environmental legacy after twelve years of the Gulf war oil spill Adriana C. Bejarano, Jacqueline Michel · Environmental Pollution 26 Jan 2010 117
5 Using Patent Information in Technology Business Planning—I W. Bradford Ashton, Rajat K. Sen · Research-Technology Management Nov 1988 111
All 64 most cited papers, with filters and sorting

Which keywords describe research at Systems Planning and Analysis (United States)?

By fractional works in all years, weighted toward what it does more of than the world: Fiber Optic Sensors, Optical Fiber, Remote Sensing, Biodegradation, Environmental Impact, Deepwater Horizon, Oil Spill Detection and Health Effects.

▲ 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. Fiber Optic Sensors7▲ 99×1 topic
  2. Optical Fiber7▲ 45×1 topic
  3. Remote Sensing7▲ 5.4×12 topics
  4. Environmental Impact7▲ 4.2×10 topics
  5. Climate Change6▲ 1.88×28 topics
  6. Biodegradation6▲ 44×4 topics
  7. Machine Learning5▲ 1.90×14 topics
  8. Health Effects5▲ 6.5×5 topics
  9. Deepwater Horizon4▲ 351×1 topic
  10. Oil Spill Detection4▲ 351×1 topic
  11. Water Quality4▲ 7.3×6 topics
  12. Deep Learning4▲ 1.40×18 topics
  13. Sustainability4▲ 1.68×13 topics
  14. Business Process Management3▲ 65×1 topic
  15. Workflow Mining3▲ 65×1 topic
  16. Biosensors3▲ 4.0×2 topics
  17. Risk Assessment2▲ 3.5×5 topics
  18. Integrated Circuits2▲ 8.8×2 topics
  19. Shale Gas2▲ 15×2 topics
  20. Emissions2▲ 9.6×3 topics
  21. Natural Gas2▲ 19×2 topics
  22. Optical Modulators2▲ 8.5×1 topic
  23. Rural Development2▲ 6.0×5 topics
  24. Silicon Photonics2▲ 11×1 topic
  25. Nonlinear Systems2▲ 7.6×6 topics
  26. Atmospheric2▲ 27×1 topic
  27. Methane2▲ 27×1 topic
  28. Transportation2▲ 12×2 topics
  29. Concept Mapping2▲ 26×1 topic
  30. Theory-Based Evaluation2▲ 61×1 topic
  31. Non-Destructive Testing2▲ 12×2 topics
  32. Vibration Control2▲ 22×3 topics
  33. Acoustic Techniques2▲ 33×1 topic
  34. Polycyclic Aromatic Hydrocarbons2▲ 20×2 topics
  35. Seafloor Mapping2▲ 33×1 topic
  36. System Dynamics2▲ 19×2 topics
  37. Broadband2▲ 22×2 topics
  38. Complex Systems2▲ 8.4×2 topics
  39. Monitoring2▲ 10×2 topics
  40. Wave Propagation2▲ 9.9×2 topics

Which research topics does Systems Planning and Analysis (United States) publish most on?

By volume in 2022-now: ICT Impact and Policies, Constraint Satisfaction and Optimization, Atmospheric and Environmental Gas Dynamics and Oil Spill Detection and Mitigation.

ICT Impact and Policies: 1 fractional worksConstraint Satisfaction and Optimization: 1 fractional worksAtmospheric and Environm…1Atmospheric and Environmental Gas Dynamics: 1 fractional worksOil Spill Detection and …1Oil Spill Detection and Mitigation: 1 fractional worksUnderwater Acoustics Research: 0 fractional worksDisaster Management and Resilience: 0 fractional worksMulti-Criteria Decision …0Multi-Criteria Decision Making: 0 fractional worksTechnology Assessment and Management: 0 fractional worksPetroleum Processing and Analysis: 0 fractional worksOrthopaedic implants and arthroplasty: 0 fractional works
Media TechnologyComputer Networks and CommunicationsGlobal and Planetary ChangePollution6 others

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

  1. 1 ICT Impact and Policies Media Technology 1 works
  2. 2 Constraint Satisfaction and Optimization Computer Networks and Communications 1 works
  3. 3 Atmospheric and Environmental Gas Dynamics Global and Planetary Change 1 works
  4. 4 Oil Spill Detection and Mitigation Pollution 1 works
  5. 5 Underwater Acoustics Research Oceanography 0 works
  6. 6 Disaster Management and Resilience Sociology and Political Science 0 works
  7. 7 Multi-Criteria Decision Making Management Science and Operations Research 0 works
  8. 8 Technology Assessment and Management Safety, Risk, Reliability and Quality 0 works
  9. 9 Petroleum Processing and Analysis Analytical Chemistry 0 works
  10. 10 Orthopaedic implants and arthroplasty Surgery 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 available14.9%not open85.1%

World: 40% of research is openly available.

with international co-authors12.7%domestic only87.3%

World: 18% is written across borders.

How has Systems Planning and Analysis (United States)'s research output changed?

Output in 2022-2025 was 100% higher 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 Systems Planning and Analysis (United States) as a percentage of every work published that year, 0.000020% in 2024.

still counting0.00025%0.00050%0.00075%Systems Planning and Analysis (United States)0.00011% in 202519801990200020102020

Fractional works of Systems Planning and Analysis (United States) over all fractional works that year. How the balance of science has shifted.

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