World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
58
Citations
11523
World Ranking
2519
National Ranking
129

Stephen C. Tulley publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Stephen C. Tulley sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 100 publications — 8th percentile

8% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Stephen C. Tulley D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Stephen C. Tulley sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 58 D-Index — 75th percentile

75% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Overview

What is he best known for?

The fields of study he is best known for:

  • The Internet
  • Computer network
  • Database

His primary scientific interests are in Outcome, Multimedia, Advertising, Operations management and Simulation. Ticket and Signal is closely connected to Human–computer interaction in his research, which is encompassed under the umbrella topic of Outcome. His studies link Incentive with Multimedia.

His work investigates the relationship between Advertising and topics such as Lottery that intersect with problems in Computer security. His Operations management course of study focuses on Session and Balance. His studies deal with areas such as Computer network, Flat rate, Order and Payment as well as Simulation.

His most cited work include:

  • Method and apparatus for team play of slot machines (690 citations)
  • Method and apparatus for linked play gaming (541 citations)
  • Systems and methods for facilitating group rewards (359 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of study are Advertising, Multimedia, Outcome, Lottery and Human–computer interaction. His Advertising research includes elements of Lottery ticket, Ticket, Actuarial science and Cash. Stephen C. Tulley combines subjects such as Session and Mobile device with his study of Multimedia.

His Outcome study integrates concerns from other disciplines, such as Game of chance and Operations management. His research in the fields of Game play overlaps with other disciplines such as Determinative, Simultaneous game, Screening game and Slot machine. His Game play study integrates concerns from other disciplines, such as Table and Arithmetic.

He most often published in these fields:

  • Advertising (27.83%)
  • Multimedia (22.61%)
  • Outcome (17.39%)

What were the highlights of his more recent work (between 2008-2015)?

  • Advertising (27.83%)
  • Multimedia (22.61%)
  • Outcome (17.39%)

In recent papers he was focusing on the following fields of study:

Stephen C. Tulley mainly investigates Advertising, Multimedia, Outcome, Lottery and Actuarial science. His Advertising study incorporates themes from Cash, Marketing, Equity and Ticket. Particularly relevant to Media content is his body of work in Multimedia.

His Outcome research is multidisciplinary, incorporating elements of Game of chance and Operations management. In the field of Lottery, his study on Lottery ticket overlaps with subjects such as Group, Control, Embodied cognition and EXPOSE. In his research on the topic of Actuarial science, Service is strongly related with Balance.

Between 2008 and 2015, his most popular works were:

  • Systems and methods for determining a level of reward (161 citations)
  • Gameplay-altering portable wagering media (134 citations)
  • Lottery game card and method for conducting a lottery game (116 citations)

In his most recent research, the most cited papers focused on:

  • The Internet
  • Computer network
  • Finance

His primary scientific interests are in Outcome, Advertising, Geography, Actuarial science and Value. Stephen C. Tulley combines subjects such as Computer security and Lottery with his study of Outcome. His research brings together the fields of Balance and Actuarial science.

Best Publications

  • Method and apparatus for team play of slot machines

    Jay S. Walker;James A. Jorasch;Magdalena M. Fincham;Geoffrey M. Gelman

  • Method and apparatus for linked play gaming

    Jay S. Walker;James A. Jorasch;Daniel E. Tedesco;Stephen C. Tulley

  • Systems and methods for facilitating group rewards

    Jay S. Walker;Magdalena M. Fincham;Stephen C. Tulley;Andrew S. Van Luchene

  • Electronic amusement device and method for enhanced slot machine play

    Jay Walker;James Jorasch;Geoffrey Gelman;Stephen Tulley

  • Methods and systems for facilitating play at a gaming device by means of third party offers

    Jay S. Walker;James A. Jorasch;Geoffrey M. Gelman;Stephen C. Tulley

  • Method and apparatus for facilitating a secondary wager at a slot machine

    Jay S. Walker;Geoffrey M. Gelman;Stephen C. Tulley;Michael D. Downs

  • Method and apparatus for facilitating play of a gaming device

    Jay S. Walker;James A. Jorasch;Stephen C. Tulley;Geoffrey M. Gelman

  • Method and apparatus for outputting a message at a game machine

    Jay S. Walker;James A. Jorasch;Russell P. Sammon;Stephen C. Tulley

  • Gaming system, gaming device and method for offering a guaranteed win

    Jay S. Walker;James A. Jorasch;Geoffrey M. Gelman;Scott T. Friesen

  • System and method for conducting and playing a supplemental lottery game

    Jay S. Walker;Daniel E. Tedesco;James A. Jorasch;John M. Packes

  • Ticket for instant lottery game and method of playing same

    Jay S. Walker;James A. Jorasch;Stephen C. Tulley

  • Systems and methods for determining a level of reward

    Jay S. Walker;Geoffrey M. Gelman;James A. Jorasch;Stephen C. Tulley

  • System and method for facilitating play of a game with user-selected elements

    Jay S. Walker;James A. Jorasch;Daniel E. Tedesco;Stephen C. Tulley

  • Methods and apparatus for managing an account to fund benefits for a player

    Jay W. Walker;James A. Jorasch;Stephen C. Tulley;Geoffrey M. Gelman

  • Gameplay-altering portable wagering media

    Jay S. Walker;Robert C. Tedesco;Daniel E. Tedesco;Stephen C. Tulley

  • Methods and systems for facilitating a secondary card game

    Jay S. Walker;James A. Jorasch;Stephen C. Tulley;Robert C. Tedesco

  • Method and apparatus for using conditional parameters to alternate between wagering games

    Jay S. Walker;James A. Jorasch;Robert C. Tedesco;Daniel E. Tedesco

  • Method and apparatus for providing regular entrance into a bonus game

    Jay S. Walker;James A. Jorasch;David F. Zucker;Jose A. Suarez

  • Apparatus, systems and methods for facilitating a payout of a gaming device

    Jay S. Walker;James A. Jorasch;Jose A. Suarez;Robert C. Tedesco

  • Method and apparatus for employing flat rate play

    Jay S. Walker;James A. Jorasch;Geoffrey M. Gelman;Stephen C. Tulley

Frequent Co-Authors

Jay S. Walker
Jay S. Walker Walker Digital (United States)
Daniel E. Tedesco
Daniel E. Tedesco Zynga (United States)
Geoffrey M. Gelman
Geoffrey M. Gelman Zynga (United States)
Russell P. Sammon
Russell P. Sammon PayPal (United States)
Magdalena M. Fincham
Magdalena M. Fincham Finmeccanica (Italy)
Dean P. Alderucci
Dean P. Alderucci Carnegie Mellon University
Daniel E. Tedesco
Daniel E. Tedesco PayPal (United States)
Andrew S. Van Luchene
Andrew S. Van Luchene JackRabbit Systems
James A. Jorasch
James A. Jorasch Zynga (United States)

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