World's Best Scientists 2026 revealed!
Lorin Evan Ullmann

Lorin Evan Ullmann

D-Index & Metrics

Computer Science

D-Index
36
Citations
4708
World Ranking
11354
National Ranking
4675

Lorin Evan Ullmann publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where Lorin Evan Ullmann sits on this spectrum.

32–41 publications: 7 scientists 42–51 publications: 22 scientists 52–61 publications: 82 scientists 62–71 publications: 134 scientists 72–81 publications: 249 scientists 82–91 publications: 324 scientists 92–101 publications: 421 scientists 102–111 publications: 420 scientists 112–121 publications: 497 scientists 122–131 publications: 544 scientists 132–141 publications: 555 scientists 142–151 publications: 609 scientists 152–161 publications: 559 scientists 162–171 publications: 534 scientists 172–181 publications: 556 scientists 182–191 publications: 583 scientists 192–201 publications: 519 scientists 202–211 publications: 508 scientists 212–221 publications: 490 scientists 222–231 publications: 437 scientists 232–241 publications: 423 scientists 242–251 publications: 408 scientists 252–261 publications: 377 scientists 262–271 publications: 301 scientists 272–281 publications: 335 scientists 282–291 publications: 320 scientists 292–301 publications: 293 scientists 302–311 publications: 250 scientists 312–321 publications: 238 scientists 322–331 publications: 206 scientists 332–341 publications: 209 scientists 342–351 publications: 208 scientists 352–361 publications: 162 scientists 362–371 publications: 176 scientists 372–381 publications: 127 scientists 382–391 publications: 158 scientists 392–401 publications: 128 scientists 402–411 publications: 104 scientists 412–421 publications: 94 scientists 422–431 publications: 99 scientists 432–441 publications: 83 scientists 442–451 publications: 108 scientists 452–461 publications: 73 scientists 462–471 publications: 77 scientists 472–481 publications: 69 scientists 482–491 publications: 84 scientists 492–501 publications: 62 scientists 502–511 publications: 54 scientists 512–521 publications: 57 scientists 522–531 publications: 51 scientists 532–541 publications: 51 scientists 542–551 publications: 32 scientists 552–561 publications: 38 scientists 562–571 publications: 28 scientists 572–581 publications: 43 scientists 582–591 publications: 33 scientists 592–601 publications: 41 scientists 602–611 publications: 32 scientists 612–621 publications: 28 scientists 622–631 publications: 25 scientists 632–641 publications: 27 scientists 642–651 publications: 17 scientists 652–661 publications: 20 scientists 662–671 publications: 17 scientists 672–681 publications: 15 scientists 682–691 publications: 14 scientists 692–701 publications: 21 scientists 702–711 publications: 13 scientists 712–721 publications: 12 scientists 722–731 publications: 19 scientists 732–741 publications: 14 scientists 742–751 publications: 12 scientists 752–761 publications: 10 scientists 762–771 publications: 10 scientists 772–781 publications: 11 scientists 782–791 publications: 10 scientists 792–801 publications: 11 scientists 802–811 publications: 8 scientists 812–821 publications: 8 scientists 822–831 publications: 7 scientists 832–841 publications: 11 scientists 842–851 publications: 10 scientists 852–861 publications: 5 scientists 862–871 publications: 9 scientists 872–881 publications: 4 scientists 882–891 publications: 6 scientists 892–901 publications: 3 scientists 902–911 publications: 6 scientists 912–921 publications: 3 scientists 922–931 publications: 2 scientists 932–941 publications: 2 scientists 942–951 publications: 2 scientists 952–961 publications: 3 scientists 962–971 publications: 3 scientists 972–981 publications: 3 scientists 982–990 publications: 5 scientists 991+ publications: 100 scientists
32 publications 991+

This scientist: 93 publications — 6th percentile

6% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 991 publications or more.

Lorin Evan Ullmann D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where Lorin Evan Ullmann sits on this spectrum.

30–31 D-Index: 879 scientists 32–33 D-Index: 983 scientists 34–35 D-Index: 918 scientists 36–37 D-Index: 990 scientists 38–39 D-Index: 968 scientists 40–41 D-Index: 907 scientists 42–43 D-Index: 821 scientists 44–45 D-Index: 763 scientists 46–47 D-Index: 689 scientists 48–49 D-Index: 543 scientists 50–51 D-Index: 543 scientists 52–53 D-Index: 518 scientists 54–55 D-Index: 500 scientists 56–57 D-Index: 458 scientists 58–59 D-Index: 400 scientists 60–61 D-Index: 337 scientists 62–63 D-Index: 308 scientists 64–65 D-Index: 292 scientists 66–67 D-Index: 249 scientists 68–69 D-Index: 213 scientists 70–71 D-Index: 192 scientists 72–73 D-Index: 189 scientists 74–75 D-Index: 165 scientists 76–77 D-Index: 139 scientists 78–79 D-Index: 119 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 113 scientists 84–85 D-Index: 88 scientists 86–87 D-Index: 87 scientists 88–89 D-Index: 75 scientists 90–91 D-Index: 69 scientists 92–93 D-Index: 57 scientists 94–95 D-Index: 46 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 34 scientists 100–101 D-Index: 36 scientists 102–103 D-Index: 27 scientists 104–105 D-Index: 37 scientists 106–107 D-Index: 18 scientists 108–109 D-Index: 31 scientists 110–111 D-Index: 19 scientists 112–113 D-Index: 16 scientists 114–115 D-Index: 12 scientists 116–117 D-Index: 20 scientists 118–119 D-Index: 15 scientists 120–121 D-Index: 5 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 8 scientists 126–127 D-Index: 5 scientists 128–129 D-Index: 7 scientists 130 D-Index: 3 scientists 131+ D-Index: 98 scientists
30 D-Index 131+

This scientist: 36 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 131 D-Index or more.

Overview

What is he best known for?

The fields of study he is best known for:

  • Operating system
  • Computer network
  • Software

His scientific interests lie mostly in Network management, Distributed computing, Database, Set and World Wide Web. His Network management research incorporates elements of Topology, Bandwidth, Dynamic bandwidth allocation and Network traffic control. His Distributed computing research is multidisciplinary, incorporating elements of Failover and Queue management system.

His Database study combines topics from a wide range of disciplines, such as Programming language and Boundary. The Set study which covers Provisioning that intersects with Data processing, Component-based software engineering and Software. His research in the fields of Instant messaging and Dialog box overlaps with other disciplines such as User defined and Electronic mail.

His most cited work include:

  • Method and system for network management with topology system providing historical topological views (155 citations)
  • Provisioning manager for optimizing selection of available resources (152 citations)
  • Method and system for network management providing access to application bandwidth usage calculations (139 citations)

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

Lorin Evan Ullmann mainly investigates World Wide Web, Distributed computing, Computer program, Network management and Computer hardware. Within one scientific family, he focuses on topics pertaining to Information retrieval under World Wide Web, and may sometimes address concerns connected to Web page. The study incorporates disciplines such as Object, Provisioning, Failover and Identification in addition to Distributed computing.

His study in Computer program is interdisciplinary in nature, drawing from both Installation, Data processing system, Process and Human–computer interaction. His Network management research is multidisciplinary, incorporating perspectives in Real-time computing and Database. The various areas that he examines in his Computer hardware study include Embedded system and Operating system.

He most often published in these fields:

  • World Wide Web (24.51%)
  • Distributed computing (18.63%)
  • Computer program (16.67%)

What were the highlights of his more recent work (between 2005-2021)?

  • Real-time computing (9.80%)
  • World Wide Web (24.51%)
  • Set (8.82%)

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

The scientist’s investigation covers issues in Real-time computing, World Wide Web, Set, Adapter and Persona. Lorin Evan Ullmann combines subjects such as Computer network, Bandwidth, Dynamic bandwidth allocation and Orchestration with his study of Real-time computing. His work on Uniform resource identifier is typically connected to Resource and Group as part of general World Wide Web study, connecting several disciplines of science.

His Set study integrates concerns from other disciplines, such as Software, Clone, Failover and Workflow. His research in Software intersects with topics in Data processing system, Network data, Knowledge base, Auto-configuration and Event. His work deals with themes such as Data processing, Artificial intelligence and Arithmetic, which intersect with Adapter.

Between 2005 and 2021, his most popular works were:

  • Method and system for network management providing access to application bandwidth usage calculations (139 citations)
  • Creation of highly available pseudo-clone standby servers for rapid failover provisioning (78 citations)
  • Stack unique signatures for program procedures and methods (54 citations)

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

  • Operating system
  • Computer network
  • Software

Lorin Evan Ullmann spends much of his time researching Real-time computing, Computer hardware, Set, Signal and Embedded system. His Real-time computing research incorporates themes from Network traffic control and Network management, Computer network, Bandwidth, Dynamic bandwidth allocation. His Computer hardware study incorporates themes from Debugging, Signature, Call stack and Algorithm.

His studies deal with areas such as Event, Auto-configuration, Distributed computing and Software as well as Set. His Signal investigation overlaps with other disciplines such as Flash and Identification.

Best Publications

  • Method and system for network management with topology system providing historical topological views

    Jason Benfield;Oliver Hsu;Lorin Ullmann;Julianne Yarsa

  • Provisioning manager for optimizing selection of available resources

    Vijay Kumar Aggarwal;David Werner Bachmann;Uzi Hardoon;Craig M. Lawton

  • Method and system for network management providing access to application bandwidth usage calculations

    Lorin Evan Ullmann;Ching-Jye Chang

  • Method and system for managing secure geographic boundary resources within a network management framework

    Steven French;Lorin Ullmann;Cristi Ullmann

  • Method and system for managing resources using geographic location information within a network management framework

    Steven French;Lorin Ullmann;Cristi Ullmann

  • Method and system for network management with adaptive queue management

    Jason Benfield;Oliver Hsu;Lorin Ullmann;Julianne Yarsa

  • Method and system for a network management framework with redundant failover methodology

    Jason Benfield;Oliver Yehung Hsu;Lorin Evan Ullmann;Julianne Yarsa

  • Method and system for localizing Java™ JAR files

    David Bruce Kumhyr;Lorin Evan Ullmann;Keiichi Yamamoto

  • Method for determining availability of participation in instant messaging

    Bethany Lyn Kessen;Craig M. Lawton;Jonathan Andrew Lewis;Martin Thomas Moore

  • Method and system for e-mail chain group discussions

    Lorin Evan Ullmann;Joseph Kubik

  • Method and system for restricting and enhancing topology displays for multi-customer logical networks within a network management system

    Jason Benfield;Oliver Yehung Hsu;Lorin Evan Ullmann;Julianne Yarsa

  • Method and apparatus for dynamic configurable logging of activities in a distributed computing system

    Lorin Evan Ullmann;Rajeeta Lalji Shah

  • Creation of highly available pseudo-clone standby servers for rapid failover provisioning

    Vijay Kumar Aggarwal;Craig Lawton;Christopher Andrew Peters;Puthukode G. Ramachandran

  • Method and apparatus for adding data attributes to e-mail messages to enhance the analysis of delivery failures

    Joseph Kubik;Lorin Evan Ullmann

  • Scroll box controls

    Cristi Nesbitt Ullmann;Lorin Evan Ullmann

  • System for recording world wide web browsing sessions navigation on a real-time basis and for subsequently displaying the recorded sessions as surrogate browsing sessions with user enabled real-time modification

    Cristi Nesbitt Ullmann;Lorin Evan Ullmann

  • Method, apparatus, and computer program product for three dimensional text creation

    Michael A. Paolini;Lorin Evan Ullmann

  • Autonomic creation of shared workflow components in a provisioning management system using multi-level resource pools

    Vijay Aggarwal;Craig Lawton;Christopher Peters;P.G. Ramachandran

  • Stack unique signatures for program procedures and methods

    Lorin Ullmann;Allen Chester Wynn

  • Method and apparatus for monitoring compatibility of software combinations

    Puthukode G. Ramachandran;John Conrad Sanchez;Lorin Evan Ullmann;Mark Joseph Williams

  • Methods and apparatus in distributed remote logging system for remote adhoc data analysis customized with multilevel hierarchical logger tree

    Rajeeta Lalji Shah;Lorin Evan Ullmann

Frequent Co-Authors

David D. Cox
David D. Cox IBM (United States)
Michael A. Paolini
Michael A. Paolini IBM (United States)
Rabindranath Dutta
Rabindranath Dutta IBM (United States)
Newton James Smith
Newton James Smith IBM (United States)
Dwip N. Banerjee
Dwip N. Banerjee IBM (United States)
David Bruce Kumhyr
David Bruce Kumhyr IBM (United States)
Viktors Berstis
Viktors Berstis IBM (United States)

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