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Johannes Bjerva

Professor

Aalborg University

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Denmark

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Research Interests

Computational Linguistics

70%

Cybersecurity

10%

Natural Language Processing

80%

Computer Science

80%

Information Technology

70%

Data Privacy

50%

Linguistics

50%

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Recent Grants

Grant: Close

Digital Twins for Abundant Feedback: Novel Feedback Paradigms via Explainable Multilingual Natural Language Processing

Open Date: 2024-01-01

Close Date: 2025-12-01

Grant: Close

MULTILINGUAL MODELLING FOR RESOURCE-POOR LANGUAGES

Open Date: 2022-09-01

Close Date: 2025-08-01

Grant: Close

Structured Multilinguality for Natural Language Processing

Open Date: 2020-01-01

Close Date: 2023-12-31

Positions8

Publisher
source

Qiongxiu Li

University Name
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Aalborg University

PhD Position in Trustworthy AI and Cybersecurity at Aalborg University

Aalborg University's AI:SECURITY Lab is recruiting a PhD fellow to join a dynamic research team focused on advanced trustworthy AI and its application to cybersecurity. The position is based in Copenhagen and is part of the AI:X initiative, which aims to advance AI research and foster interdisciplinary collaboration. The successful candidate will work on developing methods to ensure the privacy, security, and robustness of AI systems, with research topics including adversarial attacks and defenses, privacy-preserving AI (such as federated learning and differential privacy), cryptographic approaches for data privacy, and deepfake detection. The lab is a collaboration between the Department of Electronic Systems and the Department of Computer Science at Aalborg University, and is expected to grow significantly in the coming year. Applicants should have a strong background in information engineering, computer science, cybersecurity, or related fields, and possess strong programming skills. The position is fully funded for three years, with salary and benefits according to Danish standards. The application deadline is November 10, 2025. To apply, candidates must submit a motivation letter, CV, diplomas, a project description, and other relevant documents via the university's recruitment system. For more information, candidates can contact Assistant Professor Qiongxiu Li or Professor Johannes Bjerva. The lab offers a vibrant, international research environment and opportunities to contribute to high-impact research in AI security and privacy.

3 months ago

Publisher
source

Omolola Oluwadara

University Name
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Aalborg University

Fully Funded PhD Positions in Robotics, AI, NLP, Civil Engineering, and Social Sciences at Aalborg University

Aalborg University in Denmark is offering 14 fully funded PhD positions across a range of departments and research areas. These positions span robotics, artificial intelligence, natural language processing (NLP), large language model (LLM) security, autonomous systems, civil engineering, sustainable materials, CFD modelling of green fuel combustion, and social inclusion of young adults on the autism spectrum. The university is recognized for its strong research environment and international collaborations, providing access to state-of-the-art computational resources and opportunities for research stays abroad. Highlighted projects include safe learning-based control for autonomous robots, NLP and AI with a focus on LLM security, artificial intelligence for autonomous decision-making systems, collaborative localization and sensor integration for unmanned maritime systems, CFD modelling of green fuel combustion, structural reliability of sustainable materials, and qualitative research on workplace inclusion for young adults with autism. Supervisors such as Professor Johannes Bjerva lead some of these projects, particularly in the NLP and AI domains. Applicants should hold a relevant master's degree and demonstrate strong academic performance, with specific skills required depending on the project (e.g., programming for technical roles, qualitative research for social science projects). All positions are fully funded, covering tuition and providing a stipend, with funding from major grants and foundations. Deadlines for applications range from January 11, 2026, to February 1, 2026. Interested candidates should apply online through the Aalborg University job portal, ensuring all required documents are submitted before the respective deadlines. These PhD opportunities are ideal for candidates interested in advancing research in robotics, AI, NLP, civil engineering, sustainable materials, and social inclusion, and who wish to join a vibrant, international academic community in Denmark.

1 month ago

Publisher
source

Johannes Bjerva

University Name
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Aalborg University

PhD and Postdoc Positions in Natural Language Processing, AI, and LLM Security at Aalborg University

The Natural Language Processing (NLP) group at Aalborg University Copenhagen is offering four fully funded PhD positions and four postdoc positions in the area of Natural Language Processing, Artificial Intelligence, and Large Language Model (LLM) Security. The positions are based at the vibrant waterfront campus in Copenhagen, Denmark, and are part of a rapidly expanding research environment led by Professor Johannes Bjerva. Research in these positions will focus on Security, Safety, and Privacy in AI, with a strong emphasis on NLP and LLMs across diverse cultural and linguistic settings. Key topics include NLP/LLM security, adversarial robustness, backdoor detection, memorization and privacy in LLMs, trustworthy multilingual language technologies, linguistically informed modeling, cross-cultural evaluation, interpretability, semantics, behavior analysis of LLMs, and low-resource language processing. The group is supported by major research grants such as the DFF: Sapere Aude project and the NNF: Ascending Data Science Investigator project. The research environment is highly collaborative, international, and ambitious, offering access to state-of-the-art computational resources and opportunities for research stays abroad. The group values diversity, psychological safety, and inclusive research practices, fostering a supportive and dynamic atmosphere for early-career researchers. Applicants for the PhD positions must hold a relevant MSc degree (or be enrolled in a relevant Master's program for integrated stipends) in fields such as Computer Science, Software Engineering, Machine Learning, Artificial Intelligence, or Computational Linguistics. Strong skills in machine learning, deep learning, and modern NLP methods are required, with preference given to those with experience in NLP, LLM architectures, security, privacy, safety, or robustness. Postdoc applicants must have a relevant PhD degree and a strong publication record in top-tier venues. PhD positions are fully funded for three years, with integrated stipends available for those not yet holding a Master's degree. Postdoc positions are funded for 1–3 years, with salary and terms according to the collective agreement. The application deadlines are 17 February 2026 for PhDs and 3 March 2026 for postdocs. For more information and to apply, visit the official Aalborg University vacancies page or contact Professor Johannes Bjerva at [email protected].

2 weeks ago

Publisher
source

Aalborg University

Aalborg University

PhD and Postdoc Positions in AI, LLM Security, and Natural Language Processing at Aalborg University

Aalborg University in Copenhagen, Denmark, is inviting applications for four PhD and four postdoc positions in the area of Natural Language Processing (NLP), Artificial Intelligence (AI), and Large Language Model (LLM) Security. These positions are hosted within the Natural Language Processing research group at the Department of Computer Science, Technical Faculty of IT and Design. The group, led by Professor Johannes Bjerva, is a rapidly expanding research environment with strong activities in multilingual NLP, LLM security, linguistically informed approaches to NLP, factuality in LLMs, and socially sustainable AI. The research focus includes detection and mitigation of backdoors, data poisoning, adversarial inputs in LLMs, detection of LLM-generated text, linguistically motivated methods for analyzing and securing LLM behavior, analysis of vulnerabilities in low-resource language settings, and formal semantic or symbolic methods for monitoring and improving LLM robustness. The group is supported by several major national and international research grants, including the DFF: Sapere Aude and NNF: Ascending Data Science Investigator projects. Applicants for the postdoc positions must hold a relevant PhD degree (e.g., NLP, AI, ML, Security, Cryptography, or related field) and demonstrate strong skills in machine learning, deep learning, and modern NLP methods, with a record of publishing in top-tier venues. Excellent communication skills in English are required, and experience in security, privacy, safety, or robustness is preferred. PhD applicants must have a relevant MSc degree (e.g., Computer Science, Software Engineering, Machine Learning, Artificial Intelligence, Computational Linguistics, or related field). The positions are full-time and offer the possibility of international research stays. The research environment is highly collaborative, international, and ambitious, with access to state-of-the-art computational resources. The group values diversity, psychological safety, and inclusive research practices, providing a dynamic and welcoming environment for early-career researchers. Applications must be submitted via Aalborg University's recruitment system, including a cover letter, CV, diplomas, project description, and other relevant documents. The deadline for PhD applications is 17 February 2026, and for postdoc applications is 3 March 2026. For more information, visit the provided links or contact the department directly.

2 weeks ago

Publisher
source

Johannes Bjerva

University Name
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Aalborg University

Fully Funded PhD Positions in Natural Language Processing, AI, and LLM Security at Aalborg University Copenhagen

Aalborg University’s Department of Computer Science, Technical Faculty of IT and Design, invites applications for four fully funded PhD positions in Natural Language Processing (NLP), Artificial Intelligence (AI), and Large Language Model (LLM) Security. These positions are based at the Copenhagen campus, located in Sydhavnen, and are part of the rapidly expanding NLP research group led by Professor Johannes Bjerva. The research group is internationally recognized for its work in multilingual NLP, LLM security, linguistically informed approaches to NLP, factuality in LLMs, and socially sustainable AI. The group is supported by major national and international grants, including the DFF: Sapere Aude project (“Building TRUST in Text: Linguistically Motivated Language Model Detection”) and the NNF: Ascending Data Science Investigator project (“LM2-SEC: Linguistically Motivated Language Model Security”). PhD students will join a collaborative and ambitious research community, with access to state-of-the-art computational resources and opportunities for international research stays. The group is expanding in 2026, with four new postdocs expected to work closely with incoming PhD students. Research topics include security, safety, and privacy in NLP and AI, with a particular focus on LLMs and LLM-based systems. Possible directions include detection and mitigation of backdoors, data poisoning, adversarial inputs, detection of compromised LLM-generated text, linguistically motivated methods for analyzing and securing LLM behavior, vulnerabilities in low-resource language settings, and formal semantic or symbolic methods for monitoring and improving LLM robustness. The department is highly regarded for its research, education, and collaboration, and offers a supportive, inclusive, and diverse environment. The Section for Copenhagen is growing rapidly, fostering a positive atmosphere with regular seminars, social events, and cross-group activities. The NLP group collaborates broadly across Europe and globally, and is committed to psychological safety and inclusive research practices. Applicants must hold a relevant MSc degree (e.g., Computer Science, Software Engineering, Machine Learning, Artificial Intelligence, Computational Linguistics, or related fields), possess strong skills in machine learning and deep learning, have experience with modern NLP methods including transformer models, and demonstrate excellent English communication skills. Preference is given to candidates with prior experience in NLP, LLM architectures, security, privacy, safety, or robustness. Enrollment as a PhD student at the Technical Doctoral School of IT and Design is required, with regular progress assessments according to Danish regulations. Funding is fully provided for three years, including salary and employment terms in accordance with Danish academic staff agreements. The application deadline is August 31, 2026. Applications must be submitted via Aalborg University’s recruitment system and include an application letter, CV, diplomas, project description, and other relevant documents. The university values diversity and encourages all qualified candidates to apply. For further information, contact Professor Johannes Bjerva at [email protected]. More details and the application portal are available at Aalborg University PhD Vacancies and Department of Computer Science .

just-published

Publisher
source

Johannes Bjerva

University Name
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Aalborg University

Fully Funded PhD Positions in Natural Language Processing, AI, and LLM Security at Aalborg University Copenhagen

The Department of Computer Science at Aalborg University, Technical Faculty of IT and Design, invites applications for four fully funded PhD positions in Natural Language Processing (NLP), Artificial Intelligence (AI), and Large Language Model (LLM) Security. These positions are based at AAU’s Copenhagen campus, located in Sydhavnen, and are part of the rapidly expanding NLP research group led by Professor Johannes Bjerva. Research in this group focuses on multilingual NLP, LLM security, linguistically informed approaches to NLP, factuality in LLMs, and socially sustainable AI. The group is supported by major national and international grants, including the DFF: Sapere Aude project (“Building TRUST in Text: Linguistically Motivated Language Model Detection”) and the NNF: Ascending Data Science Investigator project (“LM2-SEC: Linguistically Motivated Language Model Security”). In 2026, the group will expand to include four postdocs and ten PhD students, fostering a highly collaborative and international research environment. PhD students will conduct research at the intersection of security, safety, and privacy in NLP and AI, with a particular emphasis on LLMs and LLM-based systems. Possible research directions include detection and mitigation of backdoors, data poisoning, and adversarial inputs in LLMs; detection of LLM-generated text, especially in compromised models; linguistically motivated methods for analyzing and securing LLM behavior; analysis of vulnerabilities in low-resource language settings; and formal semantic or symbolic methods for monitoring and improving LLM robustness. The group offers access to state-of-the-art computational resources and opportunities for international research stays. Collaboration is encouraged both within the group and with national and international partners. The department is known for its open, friendly, and supportive atmosphere, emphasizing psychological safety, diversity, and inclusive research practices. Regular seminars, social events, and cross-group activities contribute to a dynamic and welcoming environment for early-career researchers. Applicants must hold a relevant MSc degree (e.g., Computer Science, Software Engineering, Machine Learning, Artificial Intelligence, Computational Linguistics, or related fields) and demonstrate strong skills in machine learning, deep learning, and modern NLP methods, including transformer models. Excellent English communication skills are required. Preference is given to candidates with experience in NLP, LLM architectures, security, privacy, safety, or robustness. Enrollment in the Technical Doctoral School of IT and Design is mandatory, with regular progress assessments as per Danish ministerial regulations. Salary and employment terms follow the Danish Confederation of Professional Associations and state agreements. The positions are fully funded for three years. Aalborg University is internationally recognized for its engineering and research excellence, ranking highly in global university rankings. The university values diversity and encourages applications from all backgrounds. To apply, submit your application via Aalborg University's recruitment system, including an application letter, CV, diplomas, and a project description outlining your research vision. For questions, contact Professor Johannes Bjerva. The application deadline is May 31, 2026.

just-published

Publisher
source

Aalborg University

Aalborg University

PhD in Human-Centered Generative AI Creativity Support Tools for Knowledge Work

Aalborg University, Department of Computer Science, invites applications for a fully funded 3-year PhD position in Human-Centered Generative Creativity Support Tools for Knowledge Work, based at the Copenhagen campus. This interdisciplinary project focuses on developing and evaluating human-centered generative AI tools to support creative knowledge work, emphasizing participatory design and critical alternatives to current generative AI systems. The research aims to contribute empirical, theoretical, and methodological advancements in Human-Computer Interaction (HCI), generative AI, and creativity research, with expected dissemination at top venues such as CHI, DIS, and CSCW. The successful candidate will join the Human Augmentation and Collaboration research group, gaining access to state-of-the-art computational resources and opportunities for international research stays. The position is funded by a DFF: Inge Lehmann grant and offers employment under the Danish AC collective agreement. The department is recognized for its excellence in research and strong industry collaboration. Applicants must have a relevant MSc degree (e.g., HCI, Computer Science, Software Engineering, Product Development, Knowledge Work Studies) and demonstrate strong skills in HCI, UX/UI design, prototyping, software development, and creativity research. Experience with large language model (LLM) integration and participatory design is required, and excellent English communication skills are essential. Preferred candidates will have prior experience in HCI, LLM prototyping, participatory design, or UX/UI research. Application materials include a motivation letter (max 1 page), CV (max 2 pages plus publication list), diplomas (bachelor’s and master’s), a project description (max 2 pages), and any other relevant documents. Applications must be submitted online via the AAU recruitment system by 22 February 2026. For further information, contact Professor Johannes Bjerva ([email protected]) or Assistant Professor Jeanette Falk ([email protected]). This opportunity is ideal for candidates interested in advancing research at the intersection of HCI, generative AI, and creativity support tools within an international and inclusive academic environment.

1 week ago

Publisher
source

Johannes Bjerva

University Name
.

Aalborg University

Fully Funded PhD Positions in Natural Language Processing, AI, and LLM Security at Aalborg University Copenhagen

The Department of Computer Science at Aalborg University’s Technical Faculty of IT and Design is offering four fully funded PhD positions in Natural Language Processing (NLP), Artificial Intelligence (AI), and Large Language Model (LLM) Security. These positions are based at the Copenhagen campus, located in Sydhavnen, and are part of the rapidly expanding NLP research group led by Professor Johannes Bjerva. The group is internationally recognized for its work in multilingual NLP, LLM security, linguistically informed AI, and trustworthy language technologies, and is supported by major national and international research grants. PhD students will join a collaborative, ambitious, and diverse research community with access to state-of-the-art computational resources. The group is scaling up in 2026, with new postdocs joining to work closely with incoming PhD students. The research environment is dynamic, inclusive, and supportive, emphasizing psychological safety, diversity, and open scientific exchange. Regular seminars, social events, and cross-group activities foster a vibrant academic culture. Research topics for these positions include, but are not limited to: detection and mitigation of backdoors, data poisoning, and adversarial inputs in LLMs; detection of LLM-generated text, especially in compromised models; linguistically motivated methods for analyzing and securing LLM behavior; analysis of vulnerabilities in low-resource language settings; and formal semantic or symbolic methods for monitoring and improving LLM robustness. The projects are funded by the DFF: Sapere Aude project (“Building TRUST in Text: Linguistically Motivated Language Model Detection”) and the NNF: Ascending Data Science Investigator project (“LM2-SEC: Linguistically Motivated Language Model Security”). Applicants must hold a relevant MSc degree (such as Computer Science, Software Engineering, Machine Learning, Artificial Intelligence, or Computational Linguistics) and demonstrate strong skills in machine learning, deep learning, and modern NLP methods including transformer models. Excellent English communication skills are required, and prior experience in NLP, LLM architectures, security, privacy, safety, or robustness is preferred. Successful candidates will be enrolled at the Technical Doctoral School of IT and Design and must comply with Danish ministerial regulations for PhD progress assessment. Aalborg University is highly ranked globally for engineering and impact, and the Department of Computer Science is renowned for its research, education, and collaboration. The Copenhagen section is expanding rapidly, offering a friendly and supportive atmosphere for early-career researchers. The NLP group collaborates broadly across Europe and worldwide, providing opportunities for international research stays and knowledge exchange. To apply, candidates must submit an application letter, CV, diplomas, project description, and other relevant documents via Aalborg University’s recruitment system. The application should clearly state motivations and qualifications related to the position. The deadline for applications is April 30, 2026. For further information, contact Professor Johannes Bjerva or AAU PhD Annemarie Davidsen. These positions offer a unique opportunity to contribute to cutting-edge research in NLP and AI security, within a world-class academic environment at Aalborg University Copenhagen.

just-published

Collaborators3

Katja Hose

Professor at TU Wien

TU Wien

AUSTRIA

Esther Ploeger

Aalborg University

DENMARK

Marcell Richard Fekete

Aalborg University

DENMARK