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Company · Karlsruhe · Germany

PTV Group (Germany)

ptvgroup.com/en/welcome-to-the-ptv-groupROR OpenAlex
World rank, all time
#29,027
of 34,923
Rank in Germany
#1,397
of 1,603
Research works
179
▼ 63% vs 2018-21
Citations
2.1k
11.5 per fractional work
Top-10% rate
4.7%
all institutions 10.0%
vs its own fields
0.91×
1.00× is exactly expected
Open access
35%
world 40%
International
22%
world 18%
PTV Group (Germany)

Which fields of science does PTV Group (Germany) work in?

In 2022-now, 55% of research at PTV Group (Germany) is in Physical Sciences, 35% in Social Sciences. Its largest fields are Engineering (47%), Social Sciences (18%), Medicine (7%). It does 1.3× the world's share of Physical Sciences.

Physical Sciences: 11 fractional works · 54.9% of its workEngineering: 10 fractional works · 46.8% of its workAutomotive Engineering: 4 fractional works · 17.3% of its workControl and Systems Engineering: 2 fractional works · 11.7% of its workBuilding and Construction: 1 fractional works · 7.2% of its workIndustrial and Manufacturing Engineering: 1 fractional works · 4.0% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 2.2% of its workAerospace Engineering: 0 fractional works · 1.6% of its workOcean Engineering: 0 fractional works · 1.2% of its workElectrical and Electronic Engineering: 0 fractional works · 0.8% of its workBiomedical Engineering: 0 fractional works · 0.4% of its workMechanical Engineering: 0 fractional works · 0.4% of its workComputer Science: 1 fractional works · 3.2% of its workSoftware: 0 fractional works · 2.1% of its workArtificial Intelligence: 0 fractional works · 0.4% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.4% of its workComputer Networks and Communications: 0 fractional works · 0.3% of its workEnvironmental Science: 1 fractional works · 2.7% of its workWater Science and Technology: 0 fractional works · 1.6% of its workGlobal and Planetary Change: 0 fractional works · 0.5% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.5% of its workSmaller subfields together: 0 fractional works · 0.0% of its workEnergy: 0 fractional works · 1.1% of its workRenewable Energy, Sustainability and the Environment: 0 fractional works · 1.1% of its workPhysics and Astronomy: 0 fractional works · 0.6% of its workStatistical and Nonlinear Physics: 0 fractional works · 0.6% of its workMaterials Science: 0 fractional works · 0.4% of its workMaterials Chemistry: 0 fractional works · 0.4% of its workSocial Sciences: 7 fractional works · 34.8% of its workSocial Sciences: 4 fractional works · 18.0% of its workTransportation: 2 fractional works · 11.6% of its workSociology and Political Science: 1 fractional works · 4.9% of its workEducation: 0 fractional works · 0.5% of its workLaw: 0 fractional works · 0.5% of its workSafety Research: 0 fractional works · 0.4% of its workDecision Sciences: 1 fractional works · 6.3% of its workManagement Science and Operations Research: 1 fractional works · 6.3% of its workArts and Humanities: 1 fractional works · 4.9% of its workHistory and Philosophy of Science: 0 fractional works · 2.5% of its workLanguage and Linguistics: 0 fractional works · 2.5% of its workEconomics, Econometrics and Finance: 1 fractional works · 2.8% of its workEconomics and Econometrics: 0 fractional works · 1.6% of its workGeneral Economics, Econometrics and Finance: 0 fractional works · 1.2% of its workBusiness, Management and Accounting: 0 fractional works · 1.4% of its workMarketing: 0 fractional works · 0.8% of its workManagement Information Systems: 0 fractional works · 0.5% of its workPsychology: 0 fractional works · 1.4% of its workSocial Psychology: 0 fractional works · 1.4% of its workHealth Sciences: 2 fractional works · 8.4% of its workMedicine: 1 fractional works · 6.8% of its workEpidemiology: 0 fractional works · 2.0% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 1.5% of its workPhysiology: 0 fractional works · 0.9% of its workPulmonary and Respiratory Medicine: 0 fractional works · 0.8% of its workOrthopedics and Sports Medicine: 0 fractional works · 0.5% of its workHealth Informatics: 0 fractional works · 0.4% of its workSurgery: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workHealth Professions: 0 fractional works · 1.6% of its workGeneral Health Professions: 0 fractional works · 1.6% of its workLife Sciences: 0 fractional works · 1.9% of its workBiochemistry, Genetics and Molecular Biology: 0 fractional works · 1.6% of its workBiochemistry: 0 fractional works · 1.6% of its workNeuroscience: 0 fractional works · 0.3% of its workNeurology: 0 fractional works · 0.3% of its workALL ITS WORKPTV Group(Germany)20fractional works, 2022-now
Life Sciences2%Physical Sciences55%Health Sciences8%Social Sciences35%

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 16 fields, with their numbers
    1. Engineering1046.8%
    2. Computer Science13.2%
    3. Environmental Science12.7%
    4. Energy01.1%
    5. Physics and Astronomy00.6%
    6. Materials Science00.4%
    1. Social Sciences418.0%
    2. Decision Sciences16.3%
    3. Arts and Humanities14.9%
    4. Economics, Econometrics and Finance12.8%
    5. Business, Management and Accounting01.4%
    6. Psychology01.4%
    1. Medicine16.8%
    2. Health Professions01.6%
    1. Biochemistry, Genetics and Molecular Biology01.6%
    2. Neuroscience00.3%
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.

Biochemistry, Genetics and Molecular Biology: 0.31× its world share, 0 worksBiochemistry, Geneti…Neuroscience: 0.18× its world share, 0 worksNeuroscienceComputer Science: 0.41× its world share, 1 worksComputer ScienceEnergy: 1.24× its world share, 0 worksEnergyEngineering: 3.12× its world share, 10 worksEngineeringEnvironmental Science: 0.55× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.12× its world share, 0 worksMaterials SciencePhysics and Astronomy: 0.29× its world share, 0 worksPhysics and AstronomyHealth Professions: 0.62× its world share, 0 worksHealth ProfessionsMedicine: 0.35× its world share, 1 worksMedicineArts and Humanities: 1.70× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.42× its world share, 0 worksBusiness, Management…Decision Sciences: 6.48× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 1.34× its world share, 1 worksEconomics, Econometr…Psychology: 0.45× its world share, 0 worksPsychologySocial Sciences: 1.42× its world share, 4 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Decision Sciences, 6.5×. Every wedge is a field page.

All 16 fields, with their numbers
  1. Decision Sciences6.48×1 works
  2. Engineering3.12×10 works
  3. Arts and Humanities1.70×1 works
  4. Social Sciences1.42×4 works
  5. Economics, Econometrics and Finance1.34×1 works
  6. Energy1.24×0 works
  7. Health Professions0.62×0 works
  8. Environmental Science0.55×1 works
  9. Psychology0.45×0 works
  10. Business, Management and Accounting0.42×0 works
  11. Computer Science0.41×1 works
  12. Medicine0.35×1 works
  13. Biochemistry, Genetics and Molecular Biology0.31×0 works
  14. Physics and Astronomy0.29×0 works
  15. Neuroscience0.18×0 works
  16. Materials Science0.12×0 works

Who are the top researchers at PTV Group (Germany)?

Ranked on the quality score, Johannes Vester, Johannes Schlaich and Tobias Kretz lead among researchers whose main affiliation is PTV Group (Germany).

  1. 1 Johannes Vester Germany · #1,694,953 worldwide 1.4k citations · 48 works
  2. 2 Johannes Schlaich Germany · #1,934,709 worldwide 155 citations · 16 works
  3. 3 Tobias Kretz Germany · #2,114,836 worldwide 1.8k citations · 77 works
  4. 4 Wolf Steinbrecher Germany · #2,543,019 worldwide 57 citations · 66 works
  5. 5 Klaus Nökel Germany · #3,958,611 worldwide 364 citations · 45 works
  6. 6 Paul Mathias Germany · #4,011,007 worldwide 92 citations · 40 works
  7. 7 Klaus Noekel Germany · #4,350,292 worldwide 219 citations · 18 works
All ranked researchers at PTV Group (Germany)

What are the most cited papers from PTV Group (Germany)?

The most cited paper from PTV Group (Germany) is "Observing the rhythms of daily life: A six-week travel diary" (Kay Werner Axhausen, Andrea Zimmermann, Stefan Schönfelder et al., 2002), with 506 citations. Next come "The impact of traffic-light-to-vehicle communication on fuel consumption and emissions" (165) and "Cerebrolysin and Recovery After Stroke (CARS)" (161).

Most cited papers
#PaperReleasedCitations
1 Observing the rhythms of daily life: A six-week travel diary Kay Werner Axhausen, Andrea Zimmermann, Stefan Schönfelder et al. · Transportation May 2002 506
2 The impact of traffic-light-to-vehicle communication on fuel consumption and emissions Tessa Tielert, Moritz Killat, Hannes Hartenstein et al. Conference paper Nov 2010 165
3 Cerebrolysin and Recovery After Stroke (CARS) Dafin Fior Muresanu, Wolf‐Dieter Heiss, Volker Hoemberg et al. · Stroke Open access 12 Nov 2015 161
4 Criticality Metrics for Automated Driving: A Review and Suitability Analysis of the State of the Art Lukas Westhofen, Christian Neurohr, Tjark Koopmann et al. · Archives of Computational Methods in Engineering Open access Aug 2022 151
5 Adapting polyhedral properties from facility to hub location problems Horst W. Hamacher, Martine Labbé, Stefan Nickel et al. · Discrete Applied Mathematics Open access 9 Apr 2004 141
All 60 most cited papers, with filters and sorting

Which keywords describe research at PTV Group (Germany)?

By fractional works in 2022-now, weighted toward what it does more of than the world: Sustainability, Environmental Impacts, Intelligent Transportation Systems, Traffic Flow, Travel Behavior, User Satisfaction, Public Transport and Urban Mobility.

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

All 26 words, with their numbers
  1. Sustainability3▲ 5.7×7 topics
  2. Environmental Impacts2▲ 39×2 topics
  3. Intelligent Transportation Systems2▲ 68×2 topics
  4. Traffic Flow2▲ 96×2 topics
  5. Travel Behavior2▲ 103×2 topics
  6. Big Data2▲ 9.0×6 topics
  7. Public Transport2▲ 158×2 topics
  8. Urban Mobility2▲ 158×2 topics
  9. User Satisfaction2▲ 47×2 topics
  10. Autonomous Vehicles2▲ 40×5 topics
  11. Route Choice2▲ 158×1 topic
  12. Service Quality2▲ 31×1 topic
  13. Cooperative Adaptive Cruise Control2▲ 174×1 topic
  14. Microscopic Simulation2▲ 174×1 topic
  15. Climate Change1▲ 2.4×2 topics
  16. Deep Learning1▲ 1.86×3 topics
  17. Ridesharing1▲ 116×1 topic
  18. Shared Autonomous Vehicles1▲ 116×1 topic
  19. Data Cleaning1▲ 188×1 topic
  20. Record Linkage1▲ 188×1 topic
  21. Arctic1▲ 44×1 topic
  22. Control Systems1▲ 27×2 topics
  23. Electric Vehicles1▲ 17×2 topics
  24. Machine Learning1▲ 1.47×4 topics
  25. Physical Activity1▲ 10×4 topics
  26. Shipping1▲ 99×1 topic

Which research topics does PTV Group (Germany) publish most on?

By volume in 2022-now: Transportation Planning and Optimization, Traffic control and management, Transportation and Mobility Innovations and Data Quality and Management.

Transportation Planning and Optimization: 2 fractional worksTraffic control and management: 2 fractional worksTransportation and Mobil…1Transportation and Mobility Innovations: 1 fractional worksData Quality and Managem…1Data Quality and Management: 1 fractional worksArctic and Russian Policy Studies: 1 fractional worksUrban and Freight Transport Logistics: 1 fractional worksVehicle Dynamics and Con…1Vehicle Dynamics and Control Systems: 1 fractional worksAutonomous Vehicle Technology and Safety: 1 fractional worksVehicle emissions and performance: 1 fractional worksTraffic Prediction and Management Techniques: 1 fractional works
TransportationControl and Systems EngineeringAutomotive EngineeringManagement Science and Operations Research2 others

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

  1. 1 Transportation Planning and Optimization Transportation 2 works
  2. 2 Traffic control and management Control and Systems Engineering 2 works
  3. 3 Transportation and Mobility Innovations Automotive Engineering 1 works
  4. 4 Data Quality and Management Management Science and Operations Research 1 works
  5. 5 Arctic and Russian Policy Studies Sociology and Political Science 1 works
  6. 6 Urban and Freight Transport Logistics Building and Construction 1 works
  7. 7 Vehicle Dynamics and Control Systems Automotive Engineering 1 works
  8. 8 Autonomous Vehicle Technology and Safety Automotive Engineering 1 works
  9. 9 Vehicle emissions and performance Automotive Engineering 1 works
  10. 10 Traffic Prediction and Management Techniques Building and Construction 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 available35.3%not open64.7%

World: 40% of research is openly available.

with international co-authors22.5%domestic only77.5%

World: 18% is written across borders.

How has PTV Group (Germany)'s research output changed?

Output in 2022-2025 was 63% 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 PTV Group (Germany) as a percentage of every work published that year, 0.00011% in 2024.

still counting0.00020%0.00040%0.00060%PTV Group (Germany)0.000045% in 202519801990200020102020

Fractional works of PTV Group (Germany) over all fractional works that year. How the balance of science has shifted.

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PTV Group (Germany) on Science Explorer

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