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Company · Bedminster · United States

AT&T (United States)

In research, AT&T (United States) stands highest in Electrical and Electronic Engineering (#2,740 of 3,725 worldwide), Computer Science (#5,438 of 6,336 worldwide) and Engineering (#8,484 of 9,532 worldwide), over all time. Relative to its size it is most specialised in Computer Science (Computer Science is 5.6× its share of world research).

att.comROR OpenAlex
World rank, 2022-now
#21,081
of 22,385 · #24,494 all time
Rank in United States
#3,117
of 3,332
Research works
27k
▼ 65% vs 2018-21
Citations
1.6M
58.7 per fractional work
Top-10% rate
11.8%
all institutions 10.0%
vs its own fields
0.98×
1.00× is exactly expected
Open access
8%
world 40%
International
9%
world 18%
AT&T (United States)

What is AT&T (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
Electrical and Electronic EngineeringSubfield #2,740 of 3,725 16.0%7,265
Computer ScienceField #5,438 of 6,336 20.2%7,242
EngineeringField #8,484 of 9,532 15.8%9,614
Computer Networks and CommunicationsSubfield #1,626 of 1,775 20.1%2,287
Materials ScienceField #3,553 of 3,771 20.3%1,757
Materials ChemistrySubfield #2,486 of 2,613 20.1%894
Artificial IntelligenceSubfield #2,653 of 2,786 21.3%1,782
Computer Vision and Pattern RecognitionSubfield #1,660 of 1,718 22.6%703
Electronic, Optical and Magnetic MaterialsSubfield #967 of 997 24.2%428
Signal ProcessingSubfield #615 of 632 21.9%609

Each strip is that field's whole ranked pool, with the notch where AT&T (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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does AT&T (United States) work in?

In 2022-now, 85% of research at AT&T (United States) is in Physical Sciences, 10% in Social Sciences. Its largest fields are Computer Science (44%), Engineering (35%), Social Sciences (5%). It does 2.1× the world's share of Physical Sciences.

Physical Sciences: 64 fractional works · 85.2% of its workComputer Science: 33 fractional works · 43.9% of its workComputer Networks and Communications: 11 fractional works · 14.8% of its workArtificial Intelligence: 9 fractional works · 12.5% of its workComputer Vision and Pattern Recognition: 4 fractional works · 5.5% of its workInformation Systems: 4 fractional works · 5.3% of its workSignal Processing: 3 fractional works · 4.1% of its workComputer Graphics and Computer-Aided Design: 0 fractional works · 0.7% of its workHuman-Computer Interaction: 0 fractional works · 0.4% of its workSoftware: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workEngineering: 26 fractional works · 35.2% of its workElectrical and Electronic Engineering: 19 fractional works · 26.0% of its workAerospace Engineering: 2 fractional works · 2.6% of its workControl and Systems Engineering: 1 fractional works · 1.1% of its workBiomedical Engineering: 1 fractional works · 1.0% of its workIndustrial and Manufacturing Engineering: 1 fractional works · 1.0% of its workOcean Engineering: 1 fractional works · 0.9% of its workBuilding and Construction: 0 fractional works · 0.7% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.7% of its workMedia Technology: 0 fractional works · 0.6% of its workCivil and Structural Engineering: 0 fractional works · 0.3% of its workAutomotive Engineering: 0 fractional works · 0.2% of its workPhysics and Astronomy: 1 fractional works · 1.9% of its workAtomic and Molecular Physics, and Optics: 1 fractional works · 1.0% of its workStatistical and Nonlinear Physics: 0 fractional works · 0.6% of its workAstronomy and Astrophysics: 0 fractional works · 0.3% of its workEnvironmental Science: 1 fractional works · 1.5% of its workEnvironmental Engineering: 0 fractional works · 0.7% of its workManagement, Monitoring, Policy and Law: 0 fractional works · 0.4% of its workGlobal and Planetary Change: 0 fractional works · 0.2% of its workWater Science and Technology: 0 fractional works · 0.2% of its workMathematics: 1 fractional works · 1.1% of its workStatistics and Probability: 1 fractional works · 0.9% of its workGeometry and Topology: 0 fractional works · 0.2% of its workMaterials Science: 1 fractional works · 1.0% of its workElectronic, Optical and Magnetic Materials: 0 fractional works · 0.4% of its workSurfaces, Coatings and Films: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEarth and Planetary Sciences: 0 fractional works · 0.4% of its workGeology: 0 fractional works · 0.4% of its workChemical Engineering: 0 fractional works · 0.2% of its workChemical Health and Safety: 0 fractional works · 0.2% of its workSocial Sciences: 8 fractional works · 10.1% of its workSocial Sciences: 3 fractional works · 4.6% of its workSociology and Political Science: 2 fractional works · 2.6% of its workTransportation: 1 fractional works · 1.2% of its workHealth: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.5% of its workDecision Sciences: 3 fractional works · 3.9% of its workInformation Systems and Management: 1 fractional works · 1.8% of its workManagement Science and Operations Research: 1 fractional works · 1.7% of its workStatistics, Probability and Uncertainty: 0 fractional works · 0.4% of its workBusiness, Management and Accounting: 1 fractional works · 0.8% of its workMarketing: 0 fractional works · 0.4% of its workManagement Information Systems: 0 fractional works · 0.2% of its workOrganizational Behavior and Human Resource Management: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.6% of its workEconomics and Econometrics: 0 fractional works · 0.6% of its workPsychology: 0 fractional works · 0.2% of its workHealth Sciences: 3 fractional works · 3.6% of its workHealth Professions: 1 fractional works · 1.8% of its workGeneral Health Professions: 0 fractional works · 0.7% of its workSpeech and Hearing: 0 fractional works · 0.7% of its workPharmacy: 0 fractional works · 0.2% of its workRadiological and Ultrasound Technology: 0 fractional works · 0.2% of its workMedicine: 1 fractional works · 1.6% of its workSurgery: 0 fractional works · 0.3% of its workHealth Informatics: 0 fractional works · 0.2% of its workOphthalmology: 0 fractional works · 0.2% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.6% of its workDentistry: 0 fractional works · 0.1% of its workLife Sciences: 1 fractional works · 1.1% of its workAgricultural and Biological Sciences: 0 fractional works · 0.4% of its workEcology, Evolution, Behavior and Systematics: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workBiochemistry, Genetics and Molecular Biology: 0 fractional works · 0.4% of its workCancer Research: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNeuroscience: 0 fractional works · 0.1% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workALL ITS WORKAT&T (UnitedStates)75fractional works, 2022-now
Life Sciences1%Physical Sciences85%Health Sciences4%Social Sciences10%

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 20 fields, with their numbers
    1. Computer Science3343.9%
    2. Engineering2635.2%
    3. Physics and Astronomy11.9%
    4. Environmental Science11.5%
    5. Mathematics11.1%
    6. Materials Science11.0%
    7. Earth and Planetary Sciences00.4%
    8. Chemical Engineering00.2%
    1. Social Sciences34.6%
    2. Decision Sciences33.9%
    3. Business, Management and Accounting10.8%
    4. Economics, Econometrics and Finance00.6%
    5. Psychology00.2%
    1. Health Professions11.8%
    2. Medicine11.6%
    3. Dentistry00.1%
    1. Agricultural and Biological Sciences00.4%
    2. Biochemistry, Genetics and Molecular Biology00.4%
    3. Neuroscience00.1%
    4. Pharmacology, Toxicology and Pharmaceutics00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

What does AT&T (United States) specialise in?

Where its research is concentrated relative to its size: Computer Science takes 5.6× the share of its output that it takes of world research.

  1. Computer ScienceField · 32.8 works5.6×
← less than its size predicts1×more →

Location quotient, a volume reading rather than an impact one. It surfaces small, lopsided specialities.

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: 0.09× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.07× its world share, 0 worksBiochemistry, Geneti…Neuroscience: 0.09× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.32× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.64× its world share, 0 worksChemical EngineeringComputer Science: 5.64× its world share, 33 worksComputer ScienceEarth and Planetary Sciences: 0.28× its world share, 0 worksEarth and Planetary …Engineering: 2.34× its world share, 26 worksEngineeringEnvironmental Science: 0.31× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.29× its world share, 1 worksMaterials ScienceMathematics: 0.95× its world share, 1 worksMathematicsPhysics and Astronomy: 0.85× its world share, 1 worksPhysics and AstronomyDentistry: 0.31× its world share, 0 worksDentistryHealth Professions: 0.68× its world share, 1 worksHealth ProfessionsMedicine: 0.09× its world share, 1 worksMedicineBusiness, Management and Accounting: 0.25× its world share, 1 worksBusiness, Management…Decision Sciences: 4.03× its world share, 3 worksDecision SciencesEconomics, Econometrics and Finance: 0.27× its world share, 0 worksEconomics, Econometr…Psychology: 0.08× its world share, 0 worksPsychologySocial Sciences: 0.36× its world share, 3 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Computer Science, 5.6×. Every wedge is a field page.

All 20 fields, with their numbers
  1. Computer Science5.64×33 works
  2. Decision Sciences4.03×3 works
  3. Engineering2.34×26 works
  4. Mathematics0.95×1 works
  5. Physics and Astronomy0.85×1 works
  6. Health Professions0.68×1 works
  7. Chemical Engineering0.64×0 works
  8. Social Sciences0.36×3 works
  9. Pharmacology, Toxicology and Pharmaceutics0.32×0 works
  10. Environmental Science0.31×1 works
  11. Dentistry0.31×0 works
  12. Materials Science0.29×1 works
  13. Earth and Planetary Sciences0.28×0 works
  14. Economics, Econometrics and Finance0.27×0 works
  15. Business, Management and Accounting0.25×1 works
  16. Agricultural and Biological Sciences0.09×0 works
  17. Neuroscience0.09×0 works
  18. Medicine0.09×1 works
  19. Psychology0.08×0 works
  20. Biochemistry, Genetics and Molecular Biology0.07×0 works

Who are the top researchers at AT&T (United States)?

Ranked on the quality score, T.D. Harris, David Michael Gay and Bertram J. Batlogg lead among researchers whose main affiliation is AT&T (United States).

  1. 1 T.D. Harris United States · #81,531 worldwide 16k citations · 220 works
  2. 2 David Michael Gay #94,870 worldwide 7.9k citations · 217 works
  3. 3 Bertram J. Batlogg United States · #111,018 worldwide 40k citations · 515 works
  4. 4 Sen Jin #114,662 worldwide 5.9k citations · 84 works
  5. 5 Robert Bruce Van Dover #156,275 worldwide 20k citations · 319 works
  6. 6 Donald R. Hamann United States · #160,478 worldwide 44k citations · 212 works
  7. 7 D. S. Chemla #165,083 worldwide 43k citations · 767 works
  8. 8 A. Ourmazd #166,001 worldwide 11k citations · 255 works
  9. 9 Léon Bottou United States · #168,783 worldwide 128k citations · 189 works
  10. 10 K. W. Baldwin #317,673 worldwide 4.2k citations · 74 works
All ranked researchers at AT&T (United States)

What are the most cited papers from AT&T (United States)?

The most cited paper from AT&T (United States) is "Gradient-based learning applied to document recognition" (Yann LeCun, Léon Bottou, Yoshua Bengio et al., 1998), with 59,921 citations. Next come "Support-vector networks" (41,211) and "A tutorial on hidden Markov models and selected applications in speech recognition" (22,958).

Most cited papers
#PaperReleasedCitations
1 Gradient-based learning applied to document recognition Yann LeCun, Léon Bottou, Yoshua Bengio et al. · Proceedings of the IEEE Open access 1998 59,921
2 Support-vector networks Corinna Cortes, Vladimir N. Vapnik · Machine Learning Open access Sep 1995 41,211
3 A tutorial on hidden Markov models and selected applications in speech recognition L. R. Rabiner · Proceedings of the IEEE 1989 22,958
4 A Decision-Theoretic Generalization of On-Line Learning and an Application to Boosting Yoav Freund, Robert E. Schapire · Journal of Computer and System Sciences Open access Aug 1997 20,713
5 Maximum entropy modeling of species geographic distributions Steven J. Phillips, Robert P. Anderson, Robert E. Schapire · Ecological Modelling 18 Jul 2005 18,119
All 59 most cited papers, with filters and sorting

Which keywords describe research at AT&T (United States)?

By fractional works in 2022-now, weighted toward what it does more of than the world: Energy Efficiency, Deep Learning, Wireless Networks, 5G Networks, Channel Modeling, Massive MIMO, Heterogeneous Networks and MIMO Systems.

▲ 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 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. Deep Learning9▲ 3.4×23 topics
  2. Energy Efficiency8▲ 11×9 topics
  3. Machine Learning6▲ 2.2×18 topics
  4. Wireless Networks5▲ 47×8 topics
  5. 5G Networks4▲ 28×4 topics
  6. Channel Modeling4▲ 46×5 topics
  7. Massive MIMO4▲ 64×2 topics
  8. Heterogeneous Networks4▲ 48×2 topics
  9. MIMO Systems4▲ 60×3 topics
  10. Cellular Networks4▲ 100×1 topic
  11. Interference Alignment4▲ 100×1 topic
  12. 5G3▲ 75×3 topics
  13. Anomaly Detection3▲ 15×3 topics
  14. Network Virtualization3▲ 109×1 topic
  15. Software-Defined Networking3▲ 109×1 topic
  16. Beamforming3▲ 37×2 topics
  17. Big Data3▲ 3.9×8 topics
  18. Distributed Systems3▲ 22×2 topics
  19. Neural Networks3▲ 2.4×10 topics
  20. Electron Beam Lithography3▲ 389×1 topic
  21. Nanofabrication3▲ 57×1 topic
  22. Communications3▲ 108×1 topic
  23. Millimeter Wave3▲ 122×1 topic
  24. Data Mining2▲ 4.3×5 topics
  25. Fault Localization2▲ 47×2 topics
  26. IoT Security2▲ 10×3 topics
  27. Log Analysis2▲ 62×1 topic
  28. Performance Prediction2▲ 39×1 topic
  29. Classification2▲ 5.2×6 topics
  30. Elastic Optical Networks2▲ 151×1 topic
  31. Optical Networks2▲ 151×1 topic
  32. Image Quality Assessment2▲ 135×1 topic
  33. Perceptual Quality2▲ 135×1 topic
  34. Video Coding2▲ 106×2 topics
  35. H.264/AVC1▲ 252×1 topic
  36. High Efficiency Video Coding (HEVC)1▲ 252×1 topic
  37. Information Retrieval1▲ 8.7×3 topics
  38. User Interaction1▲ 56×2 topics
  39. Virtualization1▲ 21×2 topics
  40. Wireless Communication1▲ 12×4 topics

Which research topics does AT&T (United States) publish most on?

By volume in 2022-now: Advanced MIMO Systems Optimization, Software-Defined Networks and 5G, Advancements in Photolithography Techniques and Millimeter-Wave Propagation and Modeling.

Advanced MIMO Systems Optimization: 4 fractional worksSoftware-Defined Networks and 5G: 3 fractional worksAdvancements in Photolit…3Advancements in Photolithography Techniques: 3 fractional worksMillimeter-Wave Propagat…3Millimeter-Wave Propagation and Modeling: 3 fractional worksSoftware System Performance and Reliability: 2 fractional worksAdvanced Optical Network Technologies: 2 fractional worksImage and Video Quality …2Image and Video Quality Assessment: 2 fractional worksVideo Coding and Compression Technologies: 1 fractional worksMultimedia Communication and Technology: 1 fractional worksMicrowave Engineering and Waveguides: 1 fractional works
Electrical and Electronic EngineeringComputer Networks and CommunicationsComputer Vision and Pattern RecognitionSignal Processing1 others

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

  1. 1 Advanced MIMO Systems Optimization Electrical and Electronic Engineering 4 works
  2. 2 Software-Defined Networks and 5G Computer Networks and Communications 3 works
  3. 3 Advancements in Photolithography Techniques Electrical and Electronic Engineering 3 works
  4. 4 Millimeter-Wave Propagation and Modeling Electrical and Electronic Engineering 3 works
  5. 5 Software System Performance and Reliability Computer Networks and Communications 2 works
  6. 6 Advanced Optical Network Technologies Electrical and Electronic Engineering 2 works
  7. 7 Image and Video Quality Assessment Computer Vision and Pattern Recognition 2 works
  8. 8 Video Coding and Compression Technologies Signal Processing 1 works
  9. 9 Multimedia Communication and Technology Sociology and Political Science 1 works
  10. 10 Microwave Engineering and Waveguides Electrical and Electronic Engineering 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 available7.5%not open92.5%

World: 40% of research is openly available.

with international co-authors9.0%domestic only91.0%

World: 18% is written across borders.

How has AT&T (United States)'s research output changed?

Output in 2022-2025 was 65% 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 AT&T (United States) as a percentage of every work published that year, 0.00031% in 2024.

still counting0.10%0.20%0.30%AT&T (United States)0.00021% in 202519801990200020102020

Fractional works of AT&T (United States) over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

10%20%30%all institutions10.0% in 2022AT&T (United States)9.4% in 2022200020102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 25.8% in 1998.

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AT&T (United States) on Science Explorer

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