World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
68
Citations
17307
World Ranking
2097
National Ranking
1059

Walid G. Aref 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 Walid G. Aref 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: 386 publications — 86th percentile

86% of scientists in this discipline score the same or lower.

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

Walid G. Aref 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 Walid G. Aref 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: 68 D-Index — 86th percentile

86% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2018 - IEEE Fellow For contributions to spatio-temporal database indexing and query processing

Overview

Walid G. Aref is affiliated with Purdue University West Lafayette in the United States. Their academic work primarily falls within the broad field of Computer Science, with a focus on several subfields including Computer Networks and Communications, Signal Processing, Information Systems, Computer Vision and Pattern Recognition, and Artificial Intelligence.

The main topics of research covered by Walid G. Aref include:

  • Data Management and Algorithms
  • Advanced Database Systems and Queries
  • Data Mining Algorithms and Applications
  • Graph Theory and Algorithms
  • Distributed Systems and Fault Tolerance
  • Advanced Data Storage Technologies
  • Cloud Computing and Resource Management

Their publication record consists of papers appearing in a variety of frequent venues, such as:

  • arXiv (Cornell University)
  • ACM Transactions on Spatial Algorithms and Systems
  • Proceedings of the VLDB Endowment
  • Leibniz-Zentrum für Informatik (Schloss Dagstuhl)
  • The VLDB Journal

Walid G. Aref has coauthored multiple works with colleagues including Ahmed R. Mahmood, Yeasir Rayhan, Ruihong Wang, Anas Daghistani, and M. TAMER ÖZSU, reflecting a collaborative approach in research projects and publications.

Selected recent papers include:

  • The future is big graphs, 2021, Communications of the ACM
  • A Discrete-Continuous Algorithm for Globally Optimal Free Flight Trajectory Optimization, 2022, Leibniz-Zentrum für Informatik (Schloss Dagstuhl)
  • Horizon, 2021, Proceedings of the VLDB Endowment
  • The case for distributed shared-memory databases with RDMA-enabled memory disaggregation, 2022, Proceedings of the VLDB Endowment
  • LocationSpark: In-memory Distributed Spatial Query Processing and Optimization, 2020, Frontiers in Big Data

In recognition of professional contributions, Walid G. Aref received the IEEE Fellow award in 2018 for work related to spatio-temporal database indexing and query processing.

Best Publications

  • The new Casper: query processing for location services without compromising privacy

    Mohamed F. Mokbel;Chi-Yin Chow;Walid G. Aref

  • Automatic image segmentation by integrating color-edge extraction and seeded region growing

    Jianping Fan;D.K.Y. Yau;A.K. Elmagarmid;W.G. Aref

  • Supporting top- k join queries in relational databases

    Ihab F. Ilyas;Walid G. Aref;Ahmed K. Elmagarmid

  • SINA: scalable incremental processing of continuous queries in spatio-temporal databases

    Mohamed F. Mokbel;Xiaopeing Xiong;Walid G. Aref

  • Query indexing and velocity constrained indexing: scalable techniques for continuous queries on moving objects

    S. Prabhakar;Yuni Xia;D.V. Kalashnikov;W.G. Aref

  • SEA-CNN: scalable processing of continuous k-nearest neighbor queries in spatio-temporal databases

    X. Xiong;M.F. Mokbel;W.G. Aref

  • Security models for web-based applications

    James B. D. Joshi;Walid G. Aref;Arif Ghafoor;Eugene H. Spafford

  • Web Services Business Process Execution Language

    Unknown

  • Web Data Mining

    Unknown

  • Periodicity detection in time series databases

    M.G. Elfeky;W.G. Aref;A.K. Elmagarmid

  • Casper*: Query processing for location services without compromising privacy

    Chi-Yin Chow;Mohamed F. Mokbel;Walid G. Aref

  • Efficient evaluation of continuous range queries on moving objects

    D. Kalashnikov;S. Prabhakar;S. Hambrusch;W. Aref

  • Digital Government Security Infrastructure Design Challenges

    Unknown

  • Digital government security infrastructure design challenges

    J. Joshi;A. Ghafoor;W.G. Aref;E.H. Spafford

  • Scheduling for shared window joins over data streams

    Moustafa A. Hammad;Michael J. Franklin;Walid G. Aref;Ahmed K. Elmagarmid

  • A Distributed Access Control Architecture for Cloud Computing

    A. Almutairi;M. Sarfraz;S. Basalamah;W. Aref

  • LocationSpark: a distributed in-memory data management system for big spatial data

    Mingjie Tang;Yongyang Yu;Qutaibah M. Malluhi;Mourad Ouzzani

  • Trie based method for indexing handwritten databases

    Walid G. Aref

  • ClassView: hierarchical video shot classification, indexing, and accessing

    Jianping Fan;A.K. Elmagarmid;Xingquan Zhu;W.G. Aref

  • Trie structure based method and apparatus for indexing and searching handwritten databases with dynamic search sequencing

    Walid Aref;Daniel Barbara

  • Hash-merge join: a non-blocking join algorithm for producing fast and early join results

    M.F. Mokbel;M. Lu;W.G. Aref

  • Continuous Query Processing of Spatio-Temporal Data Streams in PLACE

    Mohamed F. Mokbel;Xiaopeng Xiong;Moustafa A. Hammad;Walid G. Aref

  • Optimization for Spatial Query Processing

    Walid G. Aref;Hanan Samet

Frequent Co-Authors

Ahmed K. Elmagarmid
Ahmed K. Elmagarmid Qatar Computing Research Institute
Mohamed F. Mokbel
Mohamed F. Mokbel University of Minnesota
Mourad Ouzzani
Mourad Ouzzani Qatar Computing Research Institute
Sunil Prabhakar
Sunil Prabhakar Purdue University West Lafayette
Hanan Samet
Hanan Samet University of Maryland, College Park
Ihab F. Ilyas
Ihab F. Ilyas University of Waterloo
Jianping Fan
Jianping Fan University of North Carolina at Charlotte
Arif Ghafoor
Arif Ghafoor Purdue University West Lafayette
Susanne E. Hambrusch
Susanne E. Hambrusch Purdue University West Lafayette
Xingquan Zhu
Xingquan Zhu Florida Atlantic University

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