Call for Papers: RExAI 2026
International Workshop on Formal Requirements Engineering and Artificial 
Intelligence
May 4, 2026
co-located with NFM 2026 (May 5 - May 7, 2026), Los Angeles, California, USA

Overview
This workshop explores the intersection of formal requirements engineering and 
artificial intelligence (AI), addressing a central challenge in modern software 
and AI system development: how to precisely specify requirements for 
increasingly complex, heterogeneous, and autonomous systems, and how to verify 
and validate that such systems meet those requirements.

As AI technologies become deeply embedded in safety and mission-critical 
domains, from autonomous vehicles to medical diagnostics, financial systems to 
industrial automation and space exploration, the need for rigorous, formal 
approaches to requirements is becoming increasingly important. At the same 
time, traditional requirements engineering methods face new challenges when 
applied to systems with learning-enabled components, unpredictable behaviors, 
and emergent properties. The opacity of AI models and the semantic gap between 
high-level requirements and low-level model inputs and internals create 
significant impediments to verifying and validating that such systems meet 
their specified requirements.

The workshop welcomes extended abstract contributions on formal specification 
languages for AI systems, verification and validation techniques, requirements 
for trustworthy AI, case studies from real-world applications, and novel 
applications of AI to requirements engineering itself. We aim to foster 
dialogue between communities that have traditionally worked separately, 
building bridges toward more reliable, safe, and trustworthy AI systems 
grounded in rigorous requirements practices. Extended abstracts can summarize 
and cite results from recent published paper(s) and/or state your perspective.

Areas of interest include but are not limited to:

  *
How can we formally specify requirements for systems with learning-enabled 
components?
  *
How can formal frameworks capture fairness, safety, robustness and 
explainability requirements for AI systems?
  *
How do we verify that AI systems meet their specified requirements?
  *
What role can AI play in automating requirements elicitation, formalization 
analysis, and validation?
  *
How do we bridge high-level requirements and behavior of AI-enabled systems to 
enable traceability, safety assurance, and certification?




Important dates:

  *
Submission deadline: March 16, 2026
  *
Notification: April 3, 2026
  *
Workshop: May 4, 2026

Paper submission guidelines
We invite extended abstracts of 2-4 pages (excluding references) in LNCS 
format, 
https://www.springer.com/gp/computer-science/lncs/conference-proceedings-guidelines.
 All submissions must be in English and fall into one of the following 
categories:

  1.
New and Emerging Work: Presents novel research in the focus areas of the 
workshop. Submissions will be evaluated primarily on "novelty".
  2.
Summary of Recent Results: Presents existing work and highlights its 
contribution in terms of relevance and impact in the focus areas of the 
workshop. Submissions will be evaluated primarily on "impact".

Please note that:

  *
No Formal Proceedings: We welcome submissions of work that has already been 
presented or submitted elsewhere. No copyright transfer is required; we only 
request permission to post accepted abstracts on the workshop website.
  *
Journal Special Issue: Authors of selected accepted abstracts will be invited 
to submit extended versions for a journal special issue.

All submissions will be reviewed by members of the Program Committee. The paper 
review process is single-blind, which means that the author identities are not 
required to be anonymous and are visible to the PC members/reviewers, but 
reviewer identities are not visible to the authors. No special efforts are 
required to anonymize content in the paper (such as referencing the authors’ 
prior work).
Policy on the use of Gen AI (same as NFM)
We understand the convenience afforded by the use of generative AI-based large 
language models to produce text in the submitted manuscript. However, we 
strongly encourage the authors to check the generated text for factual errors 
and inconsistencies. We encourage the authors to adopt appropriate standards 
for citing products obtained using generative AI (such as text, tables, 
graphics). Use of AI-based coding assistants is permitted, and we encourage 
authors to disclose the use of such tools as the community may find this 
scientifically interesting.
Submission will be via the OpenReview link:
https://openreview.net/group?id=NFM/2026/Workshop/RExAI
To submit a paper on OpenReview, you must first create a profile and log in to 
the system. Then, navigate to the specific conference or venue’s page on 
OpenReview, find the “Conference Submission” link, and click on it. Fill out 
the submission form, which will prompt you for paper details like title, 
authors, abstract, and keywords, before uploading the PDF of your paper.
Step-by-Step Submission Process

  1.
Create an Account & Log in
     *
If you don’t have one, sign up for an account on 
OpenReview<https://openreview.net/>.
     *
Log in using your credentials.
  2.
Find Your Conference
     *
Navigate to the workshop’s page on OpenReview (NFM Workshop RExAI 
2026<https://openreview.net/group?id=NFM/2026>)
  3.
Locate the Submission Link
     *
Select “NFM 2026 Workshop RExAI Submission” to access the submission form.
  4.
Complete the Submission Form
     *
Add Paper Details: Enter the title of your paper and all authors (each must 
have an OpenReview account).
     *
Provide Keywords & Summary: Add relevant keywords and a short abstract.
     *
Upload Your PDF: Submit the full PDF version of your paper.
  5.
Finalize Submission
     *
Follow any final instructions (e.g., license agreement, confirmation).
     *
Submit and confirm.

Important Considerations

  *
Author Profiles: All submitting authors must have an active OpenReview profile.
  *
Email Address: Your profile’s preferred email is used for notifications.
  *
Editing: You can edit your submission and upload new versions until the 
submission deadline.

 Chairs

  *
Anastasia Mavridou, KBR Inc., NASA Ames — 
[email protected]<mailto:[email protected]>
  *
Marie Farrell, The University of Manchester — [email protected]
  *
Divya Gopinath, KBR Inc., NASA Ames — [email protected]
  *
Hazel Taylor, The University of Manchester — [email protected]

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