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Company · Billerica · United States

Passport Systems (United States)

Research works
22
▼ 100% vs 2018-21
Citations
347
15.4 per fractional work
Top-10% rate
33.2%
all institutions 10.0%
Open access
53%
world 40%
International
31%
world 18%

Not ranked overall: Passport Systems (United States) 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 Passport Systems (United States) work in?

In all years, 79% of research at Passport Systems (United States) is in Physical Sciences, 13% in Social Sciences. Its largest fields are Physics and Astronomy (46%), Engineering (15%), Social Sciences (13%). It does 1.7× the world's share of Physical Sciences.

Physical Sciences: 18 fractional works · 79.2% of its workPhysics and Astronomy: 10 fractional works · 45.7% of its workRadiation: 8 fractional works · 36.5% of its workNuclear and High Energy Physics: 2 fractional works · 8.7% of its workAtomic and Molecular Physics, and Optics: 0 fractional works · 0.5% of its workEngineering: 3 fractional works · 15.1% of its workAerospace Engineering: 1 fractional works · 4.9% of its workBiomedical Engineering: 1 fractional works · 3.5% of its workComputational Mechanics: 1 fractional works · 3.0% of its workElectrical and Electronic Engineering: 1 fractional works · 2.5% of its workMechanical Engineering: 0 fractional works · 0.8% of its workMechanics of Materials: 0 fractional works · 0.5% of its workComputer Science: 2 fractional works · 10.1% of its workInformation Systems: 1 fractional works · 5.9% of its workArtificial Intelligence: 1 fractional works · 2.5% of its workComputer Science Applications: 0 fractional works · 1.5% of its workComputer Networks and Communications: 0 fractional works · 0.3% of its workEnvironmental Science: 1 fractional works · 4.9% of its workGlobal and Planetary Change: 1 fractional works · 4.9% of its workChemistry: 1 fractional works · 2.8% of its workSpectroscopy: 0 fractional works · 1.5% of its workInorganic Chemistry: 0 fractional works · 1.4% of its workMaterials Science: 0 fractional works · 0.5% of its workMaterials Chemistry: 0 fractional works · 0.5% of its workSocial Sciences: 3 fractional works · 12.9% of its workSocial Sciences: 3 fractional works · 12.6% of its workLaw: 1 fractional works · 4.4% of its workSociology and Political Science: 1 fractional works · 3.0% of its workSafety Research: 0 fractional works · 2.2% of its workCommunication: 0 fractional works · 1.5% of its workCultural Studies: 0 fractional works · 1.5% of its workBusiness, Management and Accounting: 0 fractional works · 0.4% of its workMarketing: 0 fractional works · 0.4% of its workHealth Sciences: 2 fractional works · 6.9% of its workHealth Professions: 1 fractional works · 4.1% of its workRadiological and Ultrasound Technology: 1 fractional works · 4.1% of its workMedicine: 1 fractional works · 2.8% of its workRehabilitation: 0 fractional works · 1.3% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.5% of its workPulmonary and Respiratory Medicine: 0 fractional works · 0.5% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.0% of its workLife Sciences: 0 fractional works · 1.0% of its workNeuroscience: 0 fractional works · 0.8% of its workCognitive Neuroscience: 0 fractional works · 0.8% of its workAgricultural and Biological Sciences: 0 fractional works · 0.3% of its workInsect Science: 0 fractional works · 0.3% of its workALL ITS WORKPassport Systems(United States)22fractional works, all years
Life Sciences1%Physical Sciences79%Health Sciences7%Social Sciences13%

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 12 fields, with their numbers
    1. Physics and Astronomy1045.7%
    2. Engineering315.1%
    3. Computer Science210.1%
    4. Environmental Science14.9%
    5. Chemistry12.8%
    6. Materials Science00.5%
    1. Social Sciences312.6%
    2. Business, Management and Accounting00.4%
    1. Health Professions14.1%
    2. Medicine12.8%
    1. Neuroscience00.8%
    2. Agricultural and Biological Sciences00.3%
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.

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

Ranked on the quality score, Stephen E. Korbly and Atsushi KURODA lead among researchers whose main affiliation is Passport Systems (United States).

  1. 1 Stephen E. Korbly United States · #2,974,490 worldwide 640 citations · 44 works
  2. 2 Atsushi KURODA United States · #4,439,618 worldwide 47 citations · 16 works
All ranked researchers at Passport Systems (United States)

What are the most cited papers from Passport Systems (United States)?

The most cited paper from Passport Systems (United States) is "Statistical Reconstruction for Cosmic Ray Muon Tomography" (Larry J. Schultz, Gary S. Blanpied, Konstantin N. Borozdin et al., 2007), with 181 citations. Next come "Tomographic Imaging with Cosmic Ray Muons" (107) and "Nuclear resonance fluorescence imaging in non-intrusive cargo inspection" (106).

Most cited papers
#PaperReleasedCitations
1 Statistical Reconstruction for Cosmic Ray Muon Tomography Larry J. Schultz, Gary S. Blanpied, Konstantin N. Borozdin et al. · IEEE Transactions on Image Processing Aug 2007 181
2 Tomographic Imaging with Cosmic Ray Muons Christopher L. Morris et al. · Science and Global Security 15 Oct 2008 107
3 Nuclear resonance fluorescence imaging in non-intrusive cargo inspection William Bertozzi, R. J. Ledoux · Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms 31 Aug 2005 106
4 Nuclear resonance fluorescence excitations near 2 MeV in U235 and Pu239 W. Bertozzi, J. A. Caggiano, W. K. Hensley et al. · Physical Review C Open access 8 Oct 2008 98
5 Network algorithms for detection of radiation sources Nageswara S. V. Rao, Satyabrata Sen, Nicholas J. Prins et al. · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment Open access 29 Jan 2015 55
All 47 most cited papers, with filters and sorting

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

By fractional works in all years, weighted toward what it does more of than the world: Neutron Imaging, Small-Angle Scattering, Inorganic Scintillators, Scintillation Detectors, Health Effects, Radionuclides, Photon Counting and Fukushima Daiichi.

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

All 14 words, with their numbers
  1. Neutron Imaging4▲ 228×1 topic
  2. Small-Angle Scattering4▲ 142×1 topic
  3. Inorganic Scintillators4▲ 393×1 topic
  4. Scintillation Detectors4▲ 393×1 topic
  5. Health Effects2▲ 15×2 topics
  6. Radionuclides2▲ 170×2 topics
  7. Photon Counting1▲ 70×2 topics
  8. Fukushima Daiichi1▲ 194×1 topic
  9. Particle Detectors1▲ 175×1 topic
  10. Silicon Detectors1▲ 175×1 topic
  11. nuclear accident1▲ 194×1 topic
  12. Artificial Intelligence1▲ 5.4×3 topics
  13. Copyright Law1▲ 176×1 topic
  14. Trademark Law1▲ 546×1 topic

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

By volume in 2022-now: Ethics and Social Impacts of AI, Language and cultural evolution, Innovation, Sustainability, Human-Machine Systems and Blockchain Technology Applications and Security.

  1. 1 Ethics and Social Impacts of AI Safety Research 0 works
  2. 2 Language and cultural evolution Cultural Studies 0 works
  3. 3 Innovation, Sustainability, Human-Machine Systems Sociology and Political Science 0 works
  4. 4 Blockchain Technology Applications and Security Information Systems 0 works
  5. 5 Wikis in Education and Collaboration Communication 0 works
  6. 6 Open Source Software Innovations Computer Science Applications 0 works
  7. 7 Access Control and Trust Sociology and Political Science 0 works
  8. 8 Multi-Agent Systems and Negotiation Artificial Intelligence 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 available53.2%not open46.8%

World: 40% of research is openly available.

with international co-authors30.8%domestic only69.2%

World: 18% is written across borders.

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

Output in 2022-2025 was 100% lower 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 Passport Systems (United States) as a percentage of every work published that year, 0.0000073% in 2019.

0.000050%0.00010%Passport Systems (United States)0.0000067% in 202020102020

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

Other research institutions in Billerica

All research institutions in Billerica

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

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