2026 Stephan Oepen: Computer Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Computer Science	41	9001	8747	25	25	122	4471

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

348
Citations
SemEval 2015 Task 18: Broad-Coverage Semantic Dependency Parsing

Stephan Oepen;Marco Kuhlmann;Yusuke Miyao;Daniel Zeman

219
Citations
LinGO Redwoods: A Rich and Dynamic Treebank for HPSG

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

208
Citations
The LinGO Redwoods treebank motivation and preliminary applications

Stephan Oepen;Kristina Toutanova;Stuart Shieber;Christopher Manning

173
Citations
Word vectors, reuse, and replicability: Towards a community repository of large-text resources

Murhaf Fares;Andrey Kutuzov;Stephan Oepen;Erik Velldal

165
Citations
SemEval 2015 Task 18: Broad-Coverage Semantic Dependency Parsing

Unknown

164
Citations
TSNLP: Test Suites for Natural Language Processing

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

138
Citations
Discriminant-Based MRS Banking

Stephan Oepen;Jan Tore Lønning

128
Citations
High efficiency realization for a wide-coverage unification grammar

John Carroll;Stephan Oepen

115
Citations
Who Did What to Whom? A Contrastive Study of Syntacto-Semantic Dependencies

Angelina Ivanova;Stephan Oepen;Lilja Ovrelid;Dan Flickinger

104
Citations
Towards systematic grammar profiling.Test suite technology 10 years after

Stephan Oepen;Dan Flickinger

102
Citations
Stochastic HPSG Parse Disambiguation using the Redwoods Corpus

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

99
Citations
Sentence Boundary Detection: A Long Solved Problem?

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

96
Citations
Speculation and negation: Rules, rankers, and the role of syntax

Erik Velldal;Lilja Øvrelid;Jonathon Read;Stephan Oepen

93
Citations
Arboretum: Using a precision grammar for grammar checking in CALL

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

86
Citations
Road-testing the English Resource Grammar over the British National Corpus

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

84
Citations
Som å kapp-ete med trollet? Towards MRS-based Norwegian-English machine translation

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

78
Citations
Towards hybrid quality-oriented machine translation - on linguistics and probabilities in MT.

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

78
Citations
Ambiguity packing in constraint-based parsing: practical results

Stephan Oepen;John Carroll

75
Citations
Parse Disambiguation for a Rich HPSG Grammar

Kristina Toutanova;Christopher Manning;Stuart Shieber;Dan Flickinger

74
Citations
MRP 2019: Cross-Framework Meaning Representation Parsing

Stephan Oepen;Omri Abend;Jan Hajic;Daniel Hershcovich

64
Citations
Broad-Coverage Semantic Dependency Parsing

Stephan Oepen;Marco Kuhlmann;Yusuke Miyao;Daniel Zeman

1
Citations

Frequent Co-Authors

Dan Flickinger Stanford University

John M. Carroll University of Sussex

Jan Hajič Charles University

Christopher D. Manning Stanford University

Yusuke Miyao University of Tokyo

Nianwen Xue Brandeis University

Kristina Toutanova Google (United States)

Ann Copestake University of Cambridge

Johan Bos University of Groningen

Timothy Baldwin University of Melbourne

External Links

Personal website of Stephan Oepen

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