Welcome to the Workshop on Integrating Quantum and Classical Software Systems! This workshop focuses on the exciting field of Quantum Software Engineering and its seamless integration with classical software systems.

What to Expect:
- Quantum Algorithms and Applications: Explore groundbreaking quantum algorithms that outperform classical ones in solving complex problems efficiently. Discover their applications in areas where classical algorithms fall short.

- NISQ Era and Real Quantum Computers: Embrace the NISQ era, where real quantum computers and simulators allow us to test quantum algorithms in practical settings. Learn about the opportunities and challenges in working with these quantum systems.

- Quantum Error Correction and Decoherence: Dive into solutions for quantum error correction and strategies to tackle quantum noise and decoherence, critical for reliable quantum computing.

- Hybrid Software Architectures: Uncover the power of hybrid software architectures, combining classical and quantum components to address problems effectively. Gain insights into designing and implementing such architectures for various applications.

- Quantum Software Engineering Practices: Adapt classical software engineering practices to the new era of quantum software development. Discover automated quantum software generation, quality attributes of quantum software, and quantum system orchestration techniques.

- Applicability in Industry: Understand how quantum computing can revolutionize various industries. Learn about specific programs and initiatives inviting industry and academia to explore quantum computing’s potential and its expected evolution over time.

- Service-Oriented Computing Techniques: Leverage Service-Oriented Computing techniques to seamlessly integrate classical and quantum parts of information systems. Discover how to compose hybrid services for efficient and reliable information processing.

********** Topics **********
The third Services and Quantum Software Workshop is co-located with the 23rd International Conference on Service-Oriented Computing (ICSOC).

Topics of interest for the workshop are the following:

- Quantum Program Models.
- Quantum Program Styles.
- Quantum Hybrid Computing.
- Quantum in the Compute Continuum.
- Execution Environment for Hydride Quantum Services.

********** Important dates **********
Paper Submission Deadline: 30th September 2025.
Authors Notification: 24th October 2025.
Camera Ready and Registration: 7th November 2025.
Workshop Date: 1st December 2025.

********** Registration and target audience **********
The workshop will be held as part of ICSOC 2025 – December 1 – 4 with in-person attendance.

The register link will be announced soon.

This workshop welcomes experienced participants interested in discussing techniques for building information systems through the fusion of classical services and hybrid services in the quantum domain. Researchers, practitioners, and industry professionals from quantum computing, classical software engineering, and service-oriented computing backgrounds are all encouraged to join.

If you have any doubts or questions, you can send an email to info@sqs2025.spilab.es