World's Best Scientists 2026 revealed!
Stephan Oepen

Stephan Oepen

D-Index & Metrics

Computer Science

D-Index
41
Citations
4471
World Ranking
9000
National Ranking
25

Stephan Oepen 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 Stephan Oepen 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: 122 publications — 16th percentile

16% of scientists in this discipline score the same or lower.

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

Stephan Oepen 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 Stephan Oepen 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: 41 D-Index — 40th percentile

40% of scientists in this discipline score the same or lower.

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

Overview

Stephan Oepen is affiliated with the University of Oslo in Norway and specializes in computer science with a focus on artificial intelligence. Their research spans several subfields, including information systems, software, and signal processing.

The main topics of Stephan Oepen's work include:

  • Natural Language Processing Techniques
  • Topic Modeling
  • Text Readability and Simplification
  • Web Application Security Vulnerabilities
  • Software Testing and Debugging Techniques
  • Advanced Malware Detection Techniques
  • Speech Recognition and Synthesis

Oepen has contributed to various scientific publications, often collaborating with researchers such as Andrey Kutuzov, Jan Hajič, Erik Velldal, Lilja Øvrelid, and Ona De Gibert. The number of joint publications with these coauthors ranges from three to five each.

Frequent venues for their publications include:

  • arXiv (Cornell University)
  • KI - Künstliche Intelligenz
  • ACM SIGCOMM Computer Communication Review
  • Language Resources and Evaluation
  • Zenodo (CERN European Organization for Nuclear Research)

Selected recent papers by Stephan Oepen are:

  • "Designing a Uniform Meaning Representation for Natural Language Processing" (2021, KI - Künstliche Intelligenz)
  • "Large-Scale Contextualised Language Modelling for Norwegian" (2021, arXiv - Cornell University)
  • "A New Massive Multilingual Dataset for High-Performance Language Technologies" (2024, arXiv - Cornell University)
  • "Collaboration in the IETF" (2021, ACM SIGCOMM Computer Communication Review)
  • "DRS at MRP 2020: Dressing up Discourse Representation Structures as Graphs" (2020, arXiv - Cornell University)

Best Publications

  • The grammar matrix: an open-source starter-kit for the rapid development of cross-linguistically consistent broad-coverage precision grammars

    Emily M. Bender;Dan Flickinger;Stephan Oepen

  • SemEval 2015 Task 18: Broad-Coverage Semantic Dependency Parsing

    Stephan Oepen;Marco Kuhlmann;Yusuke Miyao;Daniel Zeman

  • LinGO Redwoods: A Rich and Dynamic Treebank for HPSG

    Stephan Oepen;Dan Flickinger;Kristina Toutanova;Christopher D. Manning

  • The LinGO Redwoods treebank motivation and preliminary applications

    Stephan Oepen;Kristina Toutanova;Stuart Shieber;Christopher Manning

  • Word vectors, reuse, and replicability: Towards a community repository of large-text resources

    Murhaf Fares;Andrey Kutuzov;Stephan Oepen;Erik Velldal

  • SemEval 2015 Task 18: Broad-Coverage Semantic Dependency Parsing

    Unknown

  • TSNLP: Test Suites for Natural Language Processing

    Sabine Lehmann;Stephan Oepen;Sylvie Regnier-Prost;Klaus Netter

  • Discriminant-Based MRS Banking

    Stephan Oepen;Jan Tore Lønning

  • High efficiency realization for a wide-coverage unification grammar

    John Carroll;Stephan Oepen

  • Who Did What to Whom? A Contrastive Study of Syntacto-Semantic Dependencies

    Angelina Ivanova;Stephan Oepen;Lilja Ovrelid;Dan Flickinger

  • Towards systematic grammar profiling.Test suite technology 10 years after

    Stephan Oepen;Dan Flickinger

  • Stochastic HPSG Parse Disambiguation using the Redwoods Corpus

    Kristina Toutanova;Christopher D. Manning;Dan Flickinger;Stephan Oepen

  • Sentence Boundary Detection: A Long Solved Problem?

    Jonathon Read;Rebecca Dridan;Stephan Oepen;Lars Jørgen Solberg

  • Speculation and negation: Rules, rankers, and the role of syntax

    Erik Velldal;Lilja Øvrelid;Jonathon Read;Stephan Oepen

  • Arboretum: Using a precision grammar for grammar checking in CALL

    Emily M. Bender;Dan Flickinger;Stephan Oepen;Annemarie Walsh

  • Road-testing the English Resource Grammar over the British National Corpus

    Timothy Baldwin;Emily M. Bender;Dan Flickinger;Ara Kim

  • Som å kapp-ete med trollet? Towards MRS-based Norwegian-English machine translation

    Stephan Oepen;Helge Dyvik;Jan Tore Lønning;Erik Velldal

  • Towards hybrid quality-oriented machine translation - on linguistics and probabilities in MT.

    Stephan Oepen;Erik Velldal;Jan Tore Lønning;Paul Meurer

  • Ambiguity packing in constraint-based parsing: practical results

    Stephan Oepen;John Carroll

  • Parse Disambiguation for a Rich HPSG Grammar

    Kristina Toutanova;Christopher Manning;Stuart Shieber;Dan Flickinger

  • MRP 2019: Cross-Framework Meaning Representation Parsing

    Stephan Oepen;Omri Abend;Jan Hajic;Daniel Hershcovich

  • Broad-Coverage Semantic Dependency Parsing

    Stephan Oepen;Marco Kuhlmann;Yusuke Miyao;Daniel Zeman

Frequent Co-Authors

Dan Flickinger
Dan Flickinger Stanford University
John M. Carroll
John M. Carroll University of Sussex
Jan Hajič
Jan Hajič Charles University
Christopher D. Manning
Christopher D. Manning Stanford University
Hans Uszkoreit
Hans Uszkoreit German Research Centre for Artificial Intelligence
Yusuke Miyao
Yusuke Miyao University of Tokyo
Kristina Toutanova
Kristina Toutanova Google (United States)
Ann Copestake
Ann Copestake University of Cambridge
Nianwen Xue
Nianwen Xue Brandeis University
Johan Bos
Johan Bos University of Groningen

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