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Engineering and Technology
China
2025

D-Index & Metrics

Engineering and Technology

D-Index
75
Citations
17222
World Ranking
770
National Ranking
132

William H. K. Lam 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 William H. K. Lam 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: 404 publications — 89th percentile

89% of scientists in this discipline score the same or lower.

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

William H. K. Lam 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 William H. K. Lam 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: 75 D-Index — 93rd percentile

93% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2025 - Research.com Engineering and Technology in China Leader Award

Overview

William H. K. Lam is affiliated with Hong Kong Polytechnic University in China. Their research spans multiple areas within engineering and social sciences, with a particular focus on transportation-related studies.

The scientist has contributed extensively to the fields of:

  • Engineering
  • Social Sciences

Within these broader fields, their work is concentrated in several subfields, including:

  • Transportation
  • Building and Construction
  • Control and Systems Engineering
  • Automotive Engineering
  • Safety, Risk, Reliability and Quality

Key topics of research addressed by William H. K. Lam involve:

  • Transportation Planning and Optimization
  • Traffic Prediction and Management Techniques
  • Traffic control and management
  • Urban Transport and Accessibility
  • Transportation and Mobility Innovations
  • Traffic and Road Safety
  • Autonomous Vehicle Technology and Safety

The scientist has published numerous research papers in leading academic journals. Notable recent papers include:

  • "Differentially Private SQL with Bounded User Contribution" (2020), published in DOAJ (DOAJ: Directory of Open Access Journals)
  • "Enhancing network resilience by adding redundancy to road networks" (2021), published in Transportation Research Part E Logistics and Transportation Review
  • "Integrated optimal control strategies for freeway traffic mixed with connected automated vehicles: A model-based reinforcement learning approach" (2021), published in Transportation Research Part C Emerging Technologies
  • "Evaluating the value of new metro lines using route diversity measures: The case of Hong Kong's Mass Transit Railway system" (2021), published in Journal of Transport Geography
  • "An Integrated Reinforcement Learning and Centralized Programming Approach for Online Taxi Dispatching" (2021), published in IEEE Transactions on Neural Networks and Learning Systems

William H. K. Lam frequently collaborates with a core group of co-authors, including:

  • Wei Ma
  • Mei Lam Tam
  • Andy H.F. Chow
  • S.C. Wong
  • Hu Shao

The primary publication venues where the scientist's work appears most often are:

  • Transportation Research Part C Emerging Technologies
  • Transportation Research Part B Methodological
  • Transportmetrica A Transport Science
  • Transportmetrica B Transport Dynamics
  • Transportation Research Part E Logistics and Transportation Review

Best Publications

  • Optimal Road Tolls under Conditions of Queueing and Congestion

    Hai Yan;William H.K Lam

  • Bus arrival time prediction at bus stop with multiple routes

    Bin Yu;Bin Yu;William H.K. Lam;Mei Lam Tam

  • Modeling and solving the dynamic user equilibrium route and departure time choice problem in network with queues

    Hai-Jun Huang;William H.K. Lam

  • Modeling impacts of adverse weather conditions on a road network with uncertainties in demand and supply

    William H.K. Lam;Hu Shao;Hu Shao;Agachai Sumalee

  • A Reliability-Based Stochastic Traffic Assignment Model for Network with Multiple User Classes under Uncertainty in Demand

    Hu Shao;Hu Shao;William H. K. Lam;Mei Lam Tam

  • Revisiting Hughes’ dynamic continuum model for pedestrian flow and the development of an efficient solution algorithm

    Ling Huang;S.C. Wong;Mengping Zhang;Chi-Wang Shu

  • A stochastic user equilibrium assignment model for congested transit networks

    William H.K. Lam;Z Y Gao;K S Chan;Hai Yang

  • Pedestrian speed/flow relationships for walking facilities in Hong Kong

    William H. K. Lam;Chung-yu Cheung

  • Global optimization method for mixed transportation network design problem: A mixed-integer linear programming approach

    Paramet Luathep;Paramet Luathep;Agachai Sumalee;William H.K. Lam;Zhi-Chun Li;Zhi-Chun Li

  • Modeling time-dependent travel choice problems in road networks with multiple user classes and multiple parking facilities

    William H.K. Lam;Zhi-Chun Li;Hai-Jun Huang;S.C. Wong

  • A combined trip distribution and assignment model for multiple user classes

    William H.K. Lam;Hai-Jun Huang

  • Map-matching algorithm for large-scale low-frequency floating car data

    Bi Yu Chen;Hui Yuan;Qingquan Li;William H. K. Lam

  • Vulnerability analysis for large-scale and congested road networks with demand uncertainty

    Bi Yu Chen;Bi Yu Chen;William H.K. Lam;William H.K. Lam;Agachai Sumalee;Qingquan Li

  • A study of crowding effects at the Hong Kong light rail transit stations

    William H.K. Lam;Chung-Yu Cheung;C.F. Lam

  • PEDESTRIAN ROUTE CHOICES BETWEEN ESCALATOR AND STAIRWAY IN MTR STATIONS

    C. Y. Cheung;William H. K. Lam

  • A study of the bi-directional pedestrian flow characteristics at Hong Kong signalized crosswalk facilities

    William H. K. Lam;Jodie Y. S. Lee;C. Y. Cheung

  • Finding Reliable Shortest Paths in Road Networks Under Uncertainty

    Bi Yu Chen;Bi Yu Chen;William H. K. Lam;William H. K. Lam;Agachai Sumalee;Qingquan Li

  • Bidirectional Pedestrian Stream Model with Oblique Intersecting Angle

    S. C. Wong;W. L. Leung;S. H. Chan;William H. K. Lam

  • PEDESTRIAN FLOW CHARACTERISTICS IN HONG KONG

    William H K Lam;John F Morrall;Herbert Ho

  • An activity-based time-dependent traffic assignment model

    William H.K. Lam;Yafeng Yin

Frequent Co-Authors

Agachai Sumalee
Agachai Sumalee Chulalongkorn University
Sze Chun Wong
Sze Chun Wong University of Hong Kong
Hai-Jun Huang
Hai-Jun Huang Beihang University
Qingquan Li
Qingquan Li Shenzhen University
Hong Kam Lo
Hong Kam Lo Hong Kong University of Science and Technology
Anthony Chen
Anthony Chen Hong Kong Polytechnic University
Hai Yang
Hai Yang Hong Kong University of Science and Technology
Chandra R. Bhat
Chandra R. Bhat The University of Texas at Austin
Donggen Wang
Donggen Wang Hong Kong Baptist University
Shih-Lung Shaw
Shih-Lung Shaw University of Tennessee at Knoxville

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