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Umeå universitet
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Huvudmenyn dold.
Personalbild Henrik Björklund

Henrik Björklund

Jag arbetar med forskning om skadliga beteenden hos modeller för naturliga språk, som till exempel ChatGPT, samt med grundforskning om formella språk.

Vetenskaplig meritering: Docent

Kontakt

E-post
henrik.bjorklund@umu.se
Telefon
090-786 97 89

Verksam som

Anknytning
Universitetslektor vid Institutionen för datavetenskap
Plats
MIT-huset, Umeå universitet, MIT.C.440 Umeå universitet, 901 87 Umeå
Parsing unranked tree languages, folded once
Algorithms, MDPI 2024, Vol. 17, (6)
Berglund, Martin; Björklund, Henrik; Björklund, Johanna
Tree-based generation of restricted graph languages
International Journal of Foundations of Computer Science, World Scientific 2024, Vol. 35, (1 & 2) : 215-243
Björklund, Henrik; Björklund, Johanna; Ericson, Petter
We don’t talk about that: case studies on intersectional analysis of social bias in large language models
Proceedings of the 5th workshop on gender bias in natural language processing (GeBNLP), Association for Computational Linguistics 2024 : 33-44
Devinney, Hannah; Björklund, Jenny; Björklund, Henrik
Parsing unranked tree languages, folded once
Fundamentals of computation theory: 24th International Symposium, FCT 2023, Trier, Germany, September 18–21, 2023, Proceedings, Springer Nature 2023 : 60-73
Berglund, Martin; Björklund, Henrik; Björklund, Johanna
Transduction from trees to graphs through folding
Information and Computation, Elsevier 2023, Vol. 295
Berglund, Martin; Björklund, Henrik; Björklund, Johanna; et al.
Computer, enhence: POS-tagging improvements for nonbinary pronoun use in Swedish
Proceedings of the third workshop on language technology for equality, diversity, inclusion, The Association for Computational Linguistics 2023 : 54-61
Björklund, Henrik; Devinney, Hannah
Improving Swedish part-of-speech tagging for hen
Swedish Language Technology Conference 2022, Stockholm, Sweden, November 23-25, 2022
Björklund, Henrik; Devinney, Hannah
Theories of gender in natural language processing
Proceedings of the fifth annual ACM Conference on Fairness, Accountability, and Transparency (ACM FAccT'22), Association for Computing Machinery (ACM) 2022 : 2083-2102
Devinney, Hannah; Björklund, Jenny; Björklund, Henrik
Uniform Parsing for Hyperedge Replacement Grammars
Journal of computer and system sciences (Print), Elsevier 2021, Vol. 118 : 1-27
Björklund, Henrik; Drewes, Frank; Ericson, Petter; et al.
Semi-Supervised Topic Modeling for Gender Bias Discovery in English and Swedish
Proceedings of the Second Workshop on Gender Bias in Natural Language Processing, Association for Computational Linguistics 2020 : 79-92
Devinney, Hannah; Björklund, Jenny; Björklund, Henrik
Crime and Relationship: Exploring Gender Bias in NLP Corpora
SLTC 2020 – The Eighth Swedish Language Technology Conference, 25–27 November 2020, Online
Devinney, Hannah; Björklund, Jenny; Björklund, Henrik
Parsing Weighted Order-Preserving Hyperedge Replacement Grammars
Proceedings of the 16th Meeting on the Mathematics of Language, Association for Computational Linguistics 2019 : 1-11
Björklund, Henrik; Drewes, Frank; Ericson, Petter
Minimisation and Characterisation of Order-Preserving DAG Grammars
Report / UMINF, 18.15
Björklund, Henrik; Björklund, Johanna; Ericson, Petter
Parsing Weighted Order-Preserving Hyperedge Replacement Grammars
Report / UMINF, 18.16
Björklund, Henrik; Drewes, Frank; Ericson, Petter
Uniform Parsing for Hyperedge Replacement Grammars
Report / UMINF, 18.13
Björklund, Henrik; Drewes, Frank; Ericson, Petter; et al.
Conjunctive query containment over trees using schema information
Acta Informatica, SPRINGER 2018, Vol. 55, (1) : 17-56
Björklund, Henrik; Martens, Wim; Schwentick, Thomas
Single-Rooted DAGs in Regular DAG Languages: Parikh Image and Path Languages
Proceedings of the 13th International Workshop on Tree Adjoining Grammars and Related Formalisms (TAG+13), Association for Computational Linguistics 2017 : 94-101
Berglund, Martin; Björklund, Henrik; Drewes, Frank
On the Regularity and Learnability of Ordered DAG Languages
Implementation and Application of Automata: 22nd International Conference, CIAA 2017, Marne-la-Vallée, France, June 27-30, 2017, Proceedings, Cham: 2017 : 27-39
Björklund, Henrik; Björklund, Johanna; Ericson, Petter
Predicting User Competence from Linguistic Data
Proceedings of the 14th International Conference on Natural Language Processing (ICON-2017), Jadavpur University 2017 : 476-484
Woldemariam, Yonas Demeke; Bensch, Suna; Björklund, Henrik
Uniform vs. Nonuniform Membership for Mildly Context-Sensitive Languages: A Brief Survey
Algorithms, MDPI 2016, Vol. 9, (2)
Björklund, Henrik; Berglund, Martin; Petter, Ericson
Implementing a speech-to-text pipeline on the MICO platform
Report / UMINF, 16.07
Björklund, Henrik; Björklund, Johanna; Dahlgren, Adam; et al.
Between a Rock and a Hard Place: Parsing for Hyperege Replacement DAG Grammars
Proc. 10th International Conference on Language and Automata Theory and Applications (LATA 2016), Springer Publishing Company 2016 : 521-532
Björklund, Henrik; Drewes, Frank; Ericson, Petter
Class-memory automata revisited
Claudio Moraga: a passion for multi-valued logic and soft computing, Springer 2016 : 201-215
Björklund, Henrik; Schwentick, Thomas
Efficient incremental evaluation of succinct regular expressions
Proceedings of the 24th ACM International on Conference on Information and Knowledge Management, Association for Computing Machinery (ACM) 2015 : 1541-1550
Björklund, Henrik; Martens, Wim; Timm, Thomas
Characterizing Non-Regularity
Report / UMINF, 14.12
Berglund, Martin
Compression of finite-state automata through failure transitions
Theoretical Computer Science, Elsevier 2014, Vol. 557 : 87-100
Björklund, Henrik; Björklund, Johanna; Zechner, Niklas
Shuffled languages: representation and recognition
Theoretical Computer Science, Elsevier 2013, Vol. 489-490 : 1-20
Berglund, Martin; Björklund, Henrik; Björklund, Johanna
On the Parameterized Complexity of Linear Context-Free Rewriting Systems
Proceedings of the 13th Meeting on the Mathematics of Language (MoL 13), Association for Computational Linguistics 2013 : 21-29
Berglund, Martin; Björklund, Henrik; Drewes, Frank
Cuts in Regular Expressions
Developments in Language Theory: 17th International Conference, DLT 2013, Marne-la-Vallée, France, June 18-21, 2013. Proceedings, Springer Berlin/Heidelberg 2013 : 70-81
Berglund, Martin; Björklund, Henrik; Drewes, Frank; et al.
A note on the complexity of deterministic tree-walking transducers
Non-Classical Models of Automata and Applications (NCMA 2013)
Björklund, Henrik; Ericson, Petter
Validity of Tree Pattern Queries with Respect to Schema Information
Mathematical Foundations of Computer Science 2013: 38th International Symposium, MFCS 2013, Klosterneuburg, Austria, August 26-30, 2013. Proceedings, Springer: Springer Berlin/Heidelberg 2013 : 171-182
Björklund, Henrik; Martens, Wim; Schwentick, Thomas
On optimum left-to-right strategies for active context-free games
ICDT '13 Proceedings of the 16th International Conference on Database Theory, ACM Press 2013 : 105-116
Björklund, Henrik; Schuster, Martin; Schwentick, Thomas; et al.
The tractability frontier for NFA minimization
Journal of computer and system sciences (Print), Elsevier 2012, Vol. 78, (1) : 198-210
Björklund, Henrik; Martens, Wim
Recognizing Shuffled Languages
Report / UMINF, 11.01
Berglund, Martin; Björklund, Henrik; Högberg, Johanna
Recognizing shuffled languages
Language and Automata Theory and Applications: 5th International Conference, LATA 2011, Tarragona, Spain, May 26-31, 2011. Proceedings, Springer Berlin/Heidelberg 2011 : 142-154
Berglund, Martin; Björklund, Henrik; Högberg, Johanna
Conjunctive query containment over trees
Journal of computer and system sciences (Print), Vol. 77, (3) : 450-472
Björklund, Henrik; Martens, Wim; Schwentick, Thomas
Algorithmic properties of Millstream systems
Developments in Language Theory: 14th International Conference, DLT 2010, Springer Berlin/Heidelberg 2010 : 54-65
Bensch, Suna; Björklund, Henrik; Drewes, Frank
Incremental XPath evaluation
ACM Transactions on Database Systems, Vol. 35, (4:29) : 42-
Björklund, Henrik; Gelade, Wouter; Martens, Wim
Logik und Automaten : Ein echtes Dreamteam: [Logic and automatons : A real dream team]
Informatik-Spektrum, Springer 2010, Vol. 33, (5) : 452-461
Björklund, Henrik; Martens, Wim; Schweikardt, Nicole; et al.
On notions of regularity for data languages
Theoretical Computer Science, Vol. 411, (4-5) : 702-715
Björklund, Henrik; Schwentick, Thomas
Incremental XPath Evaluation
Proceedings of the 12th international conference on database theory: March 23-25, 2009, Saint Petersbourgh, Russia : 162-173
Björklund, Henrik; Gelade, Wouter; Marquardt, Marcel; et al.
Visa publikationer i DiVA