Journal Papers

1. A. Ilie, A. Stefanescu. RobustCheck: A Python package for black-box robustness assessment of image classifiers. SoftwareX 27, pag. 101831, 2024.

2. C. Paduraru, R. Cristea, A. Stefanescu. EBLT - Blueprints testing library using fuzz testing. Software Impacts 21, pag. 100674, 2024.

3. A. Panait, R. Olimid, A. Stefanescu. Identity management on blockchain - privacy and security aspects. Proceedings of the Romanian Academy, Series A, vol. 21, nr. 1, pp. 45-52, 2020.

4. L. Lin, A. Stefanescu, W. Wang, R. Su, W.M. Wonham.  Symbolic Reachability Analysis and Maximally Permissive Entrance Control for Globally Synchronized Templates. Automatica 87, pp. 290-300, 2018.

5. T. Stoenescu, A. Stefanescu, S. Predut, F. Ipate. Binary Analysis based on Symbolic Execution and Reversible x86 Instructions, Fundamenta Informaticae 153 (1-2), pp. 105-124, 2017.

6. L. Lin, A. Stefanescu, R. Su. On Distributed and Parameterized Supervisor Synthesis Problems. IEEE Transactions on Automatic Control 61(3), pp. 777-782, 2016.

7. F. Ipate, A. Stefanescu, I. Dinca. Model Learning and Test Generation using Cover Automata. Computer Journal 58(5), pp. 1140-1159, Oxford University Press, 2015.

8. I. M. Niculescu, M. Gheorghe, F. Ipate, A. Stefanescu. From Kernel P Systems to X-Machines and FLAME. Journal of Automata, Languages and Combinatorics 19(1-4), pp. 239-250, 2014.

9. A. Stefanescu, S. Wieczorek, M. Schur. Message Choreography Modeling - A Domain-Specific Language for Consistent Enterprise Service Integration. Software and Systems Modeling (SoSyM) 13(1), pp. 9-33, Springer, 2014.

10. P. Mohagheghi, W. Gilani, A. Stefanescu, M.A. Fernandez. An Empirical Study of the State of the Practice and Acceptance of Model-Driven Engineering in four Industrial Cases. Empirical Software Engineering (EMSE) 18(1), pp. 89-116, Springer, 2013.

11. P. Mohagheghi, W. Gilani, A. Stefanescu, M.A. Fernandez, B. Nordmoen, M. Fritzsche. Where does Model-Driven Engineering Help? Experiences from Three Industrial Cases. Software and Systems Modeling (SoSyM) 12(3), pp. 619-639, Springer, 2013 . (Ten year most influential regular paper award 2023)

12. Y. Chen, X.C. Ding, A. Stefanescu, C. Belta. A Formal Approach to the Deployment of Distributed Robotic Teams. IEEE Transactions on Robotics 28(1), pp. 158-171, 2012.

Book Chapters

1. A. Turcanu, L. Mierla, F. Ipate, A. Stefanescu, H. Bai, M. Holcombe, S. Coakley. Modelling and analysis of E. coli respiratory chain. Chapter in "Applications of Membrane Computing in Systems and Synthetic Biology" book. P. Frisco, M. Gheorghe, M. J. Pérez-Jiménez (Eds), Emergence, Complexity and Computation series, vol. 7, pp. 247-266, Springer, 2014.

2. S. Wieczorek, V. Kozyura, W. Wei, A. Roth, A. Stefanescu. Business Information Sector. Chapter in "Industrial deployment of system engineering methods" book. A. Romanovsky, M. Thomas (Eds). pp. 63-79. Springer, 2013.

Papers at Conferences and Workshops with Springer or IEEE Proceedings

1. C. Paduraru, M. Zavelca, A. Stefanescu. Agentic AI for Behavior-Driven Development Testing Using Large Language Models. In Proc. of the 17th International Conference on Agents and Artificial Intelligence (ICAART'25) - Volume 2, pp. 805-815, SciTePress, 2025 

2. C. Paduraru, L. Bouruc, A. Stefanescu. Generative AI for Human 3D Body Emotions: A Dataset and Baseline Methods. In Proc. of the 17th International Conference on Agents and Artificial Intelligence (ICAART'25) - Volume 3, pp. 646-653, SciTePress, 2025

3. C. Paduraru, R. Cristea, A. Stefanescu. End-to-end RPA-like testing using reinforcement learning. In Proc. of 17th IEEE Conf. on Software Testing, Verification and Validation (ICST'24), pp. 419-429, IEEE, 2024. 

4. C. Paduraru, M. Cernat, A. Stefanescu. Automated evaluation of game content display using deep learning. In Proc. of the 28th Int. Conf. on Evaluation and Assessment in Software Engineering (EASE'24), pp. 421-424, ACM, 2024.

5. C. Paduraru, A. Staicu, A. Stefanescu. LLM-based methods for the creation of unit tests in game development. In Proc. of 28th Int. Conf. on Knowledge-Based and Intelligent Information & Engineering Systems (KES'24), Procedia Computer Science 246, pp. 2459–2468, 2024. 

6. C. Paduraru, A. Stefanescu, A. Jianu. Unit Test Generation using Large Language Models for Unity Game Development. In Proc. of 1st ACM Int. Workshop on Foundations of Applied Software Engineering for Games (FaSE4Games'24), pp. 7 - 13,  ACM, 2024.

7. C. Paduraru, C. Patilea, A. Stefanescu. CyberGuardian: An Interactive Assistant for Cybersecurity Specialists Using Large Language Models. In Proc. of 19th Int. Conf on Software Technologies (ICSOFT'24), vol. 1, pp. 442-449, SciTePress, 2024.

8. C. Paduraru, C. Patilea, A. Stefanescu. RLHR: A Framework for Driving Dynamically Adaptable Questionnaires and Profiling People Using Reinforcement Learning. In Proc. of 19th Int. Conf on Software Technologies (ICSOFT'24), vol. 1, pp. 359-366, SciTePress, 2024.

9. C. Paduraru, M. Cernat, A. Stefanescu. Enhancing User Experience in Games with Large Language Models. In Proc. of 19th Int. Conf on Software Technologies (ICSOFT'24), vol. 1, pp. 293-304, SciTePress, 2024.

10. C. Paduraru, R. Cristea, A. Stefanescu. Adaptive questionnaire design using AI agents for people profiling. In Proc. of 16th Int. Conf. on Agents and Artificial Intelligence (ICAART'24), vol. 3, pp. 633-640, SciTePress, 2024. 

11. C. Paduraru, R. Cristea, A. Stefanescu. Automatic Fuzz Testing and Tuning Tools for Software Blueprints. In Proc. of 18th Int. Conf on Software Technologies (ICSOFT'23), vol. 1, pp. 151-162, SciTePress, 2023. (best paper award)

12. C. Paduraru, A. Staicu, A. Stefanescu. Robotic Process Automation for the Gaming Industry. In Proc. of 18th Int. Conf on Software Technologies (ICSOFT'23), vol. 1, pp. 37-45, SciTePress, 2023.

13. C. Paduraru, M. Cernat, A. Stefanescu. Conversational Agents for Simulation Applications and Video Games. In Proc. of 18th Int. Conf on Software Technologies (ICSOFT'23), vol. 1, pp. 27-36, SciTePress, 2023.

14. C. Paduraru, A. Jianu, A. Stefanescu. Blockchain for Artificial Intelligence: An Industry and Literature Survey. In Proc. of 18th Int. Conf on Software Technologies (ICSOFT'23), vol. 1, pp. 712-719, SciTePress, 2023.

15. C. Paduraru, M. Paduraru, A. Stefanescu. RiverGame - a game testing tool using artificial intelligence. In Proc. of 15th IEEE Conference on Software Testing, Verification and Validation (ICST'22), pp. 422-432, IEEE, 2022.

16. C. Paduraru, R. Cristea, A. Stefanescu. Advancing Security and Data Protection for Smart Home Systems through Blockchain Technologies. In Proc. of 17th Int. Conf on Software Technologies (ICSOFT'22), pp. 492-499, SciTePress, 2022.

17. C. Paduraru, M. Paduraru, A. Stefanescu. Traffic Light Control using Reinforcement Learning: A Survey and an Open Source Implementation. In Proc. of the 8th International Conference on Vehicle Technology and Intelligent Transport Systems (VEHITS'22), pp. 69-79, SciTePress, 2022.

18. C. Paduraru, R. Cristea, A. Stefanescu. Enhancing the security of gaming transactions using blockchain technology. In Proc. of 2nd Int. Workshop on Automated Software Engineering for Computer Games (ASE4GAMES'22), workshop affiliated to ASE'22, 8 pp., IEEE, 2022.

19. C. Paduraru, M. Paduraru, A. Stefanescu. RiverFuzzRL — An Open-Source Tool to Experiment with Reinforcement Learning for Fuzzing. In Proc. of 14th IEEE Conference on Software Testing, Verification and Validation (ICST'21), pp. 430-435, IEEE, 2021.

20. A. Ilie, M. Popescu, A. Stefanescu. EvoBA: An Evolution Strategy as a Strong Baseline for Black-Box Adversarial Attacks. In Proc. of 28th Int. Conf. on Neural Information Processing (ICONIP'21), LNCS, vol. 13110, pp. 188-200, Springer, 2021.

21. C. Paduraru, M. Paduraru, A. Stefanescu. Automated game testing using computer vision methods. In Proc. of ASE4Games, workshop affiliated to ASE'21, pp. 65-72, IEEE, 2021.

22. C. Paduraru, M. Paduraru, A. Stefanescu. Optimizing decision making in concolic execution using reinforcement learning. In Proc. of A-MOST'20, workshop affiliated to ICST'20, pp. 52-61, IEEE, 2020.

23. C. Paduraru, A. Stefanescu, B. Ghimis. Testing Multi-tenant Applications using Fuzzing and Reinforcement Learning. In Proc. of LANGETI'20, workshop affiliated to ESEC/FSE'20, pp. 1-6, ACM, 2020.

24. B. Ghimis, M. Paduraru, A. Stefanescu. RIVER 2.0: An Open-Source Testing Framework using AI Techniques. In Proc. of LANGETI'20, workshop affiliated to ESEC/FSE'20, pp. 13-18, ACM, 2020.

25. M. Cernat, A.-N. Staicu, A. Stefanescu. Towards Automated Testing of RPA Implementations. In Proc. of A-TEST’20, workshop affiliated to ESEC/FSE'20, pp. 21-24, ACM, 2020.

26. A. Panait, R. Olimid, A. Stefanescu. Analysis of uPort Open, an identity management blockchain-based solution. In Proc. of 17th Int. Conf. on Trust, Privacy and Security in Digital Business (TrustBus'20), LNCS 12395, pp. 3-13, Springer, 2020.

27. C. Paduraru, B. Ghimis, A, Stefanescu. RiverConc: An Open-source Concolic Execution Engine for x86 Binaries. In Proc. of 15th Int. Conf on Software Technologies (ICSOFT'20), pp. 529-536, SciTePress, 2020.

28. M. Cernat, A.-N. Staicu, A, Stefanescu. Improving UI Test Automation using Robotic Process Automation. In Proc. of 15th Int. Conf on Software Technologies (ICSOFT'20), pp. 260-267, SciTePress, 2020.

29. C. Paduraru, M. Melemciuc, A. Stefanescu. A distributed implementation using Apache Spark of a genetic algorithm applied to test data generation. In Proc. of PDEIM'17, workshop of GECCO’17, GECCO Companion, pp. 1857-1863, ACM, 2017.

30. T. Stoenescu, A. Stefanescu, S. Predut, F. Ipate. RIVER: A Binary Analysis Framework using Symbolic Execution and Reversible x86 Instructions. In Proc. of 21st International Symposium on Formal Methods (FM'16), LNCS 9995, pp. 779-785, Springer, 2016.

31. G. Ciobanu, T.S. Hoang, A. Stefanescu. From TiMo to Event-B: event-driven timed mobility. In Proc. of 19th IEEE Int. Conf. on Engineering of Complex Computer Systems (ICECCS'14), pp. 1-10, IEEE Computer Society, 2014. (the paper got a best paper award)

32. L. Lin, A. Stefanescu, R. Su, W. Wang, A. R. Shehabinia. Towards Decentralized Synthesis: Decomposable Sublanguage and Joint Observability Problems. In Proc. of 55th American Control Conference (ACC'14), pp. 2047-2052. IEEE, 2014.

33. S. Akshay, I. Dinca, B. Genest, A. Stefanescu. Implementing Realistic Asynchronous Automata. In Proc. of 33rd Conference on Foundations of Software Technology and Theoretical Computer Science (FSTTCS'13), LIPIcs series, volume 24, pp. 213-224. Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, 2013.

34. L. Lin, R. Su, A. Stefanescu. Remarks on the Difficulty of Top-Down Supervisor Synthesis. In Proc. of 12th International Conference on Control, Automation, Robotics, and Vision (ICARCV'12), pp. 270-275. IEEE Computer Society, 2012.

35. I. Dinca, F. Ipate, A. Stefanescu. Model Learning and Test Generation for Event-B decomposition. In Proc. of ISoLA'12 conference, LNCS, volume 7609, pp. 539-553. Springer, 2012.

36. I. Dinca, F. Ipate, L. Mierla, A. Stefanescu. Learn and Test for Event-B - a Rodin Plugin. In Proc. of ABZ’12, LNCS, volume 7316, pp. 361-364. Springer, 2012.

37. A. Stefanescu, F. Ipate, R. Lefticaru, C. Tudose. Towards Search-Based Testing for Event-B Models. In Proc. of 4th International Workshop on Search-Based Software Testing (SBST'11) from ICSTW'11, pp.194-197. IEEE Computer Society, 2011.

38. I. Dinca, A. Stefanescu, F. Ipate, R. Lefticaru, C. Tudose. Test Data Generation for Event-B Models using Genetic Algorithms. In Proc. of 2nd International Conference on Software Engineering and Computer Systems (ICSECS'11). CCIS series, vol. 181, pp. 76-90. Springer, 2011.

39. Y. Chen, X.C. Ding, A. Stefanescu, C. Belta. A Formal Approach to Deployment of Robotic Teams in an Urban-Like Environment. In Proc. of 10th International Symposium on Distributed Autonomous Robotics System (DARS'10). Springer Tracts in Robotics, vol. 83, pp. 313-327. Springer, 2013. (the paper got a best student paper award)

40. A. Stefanescu, M.F. Wendland, S. Wieczorek. Using the UML testing profile for enterprise service choreographies. In Proc. of 36th EUROMICRO Conference on Software Engineering and Advanced Applications (SEAA'10), pp. 12-19. IEEE Computer Society, 2010

41. Y. Chen, S. Birch, A. Stefanescu, C. Belta. A Hierarchical Approach to Automatic Deployment of Robotic Teams with Communication Constraints. In Proc. of IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS'10), pp. 5079-5084. IEEE Computer Society, 2010.

42. S. Wieczorek, A. Stefanescu, A. Roth. Model-driven Service Integration Testing - A Case Study. In Proc. of International Conference on the Quality of Information and Communications Technology (QUATIC'10), pp. 292-297. IEEE Computer Society, 2010.

43. S. Wieczorek, A. Stefanescu. Improving testing of enterprise systems by model-based testing on graphical user interfaces. In Proc. of the 7th Workshop on System Testing and Validation (STV'10), pp. 352-357. IEEE Computer Society, 2010.

44. S. Wieczorek, A. Roth, A. Stefanescu, V. Kozyura, A. Charfi, F.M. Kraft, I. Schieferdecker. Viewpoints for modeling choreographies in service-oriented architectures. In Proc. of the 3rd European Conference on Software Architecture (ECSA'09), pp. 11-20. IEEE Computer Society, 2009.

45. S. Wieczorek, A. Stefanescu, I. Schieferdecker. Model-based integration testing of enterprise services. In Proc. of Testing: Academic and Industrial Conference (TAICPART'09), pp. 56-60. IEEE Computer Society, 2009.

46. A. Stefanescu, S. Wieczorek, A. Kirshin. MBT4Chor: a model-based testing approach for service choreographies. In Proc. of 5th European Conference on Model-Driven Architecture Foundations and Applications (ECMDA'09), LNCS, vol. 5562, pp. 313-324. Springer, 2009.

47. S. Wieczorek, A. Stefanescu. Service integration: A soft spot in the SOA testing stack. In Proc. of 5th Central and Eastern European Software Engineering Conference in Russia (CEE-SECR'09), pp. 211-216. IEEE Computer Society, 2009.

48. S. Wieczorek, A. Roth, A. Stefanescu, A. Charfi. Precise steps for choreography modeling for SOA validation and verification. In Proc. of International Symposium on Service-Oriented System Engineering (SOSE'08), pp.148-153. IEEE Computer Society, 2008.

49. S. Wieczorek, A. Stefanescu, M. Fritzsche, J. Schnitter. Enhancing test driven development with model based testing and performance analysis. In Proc of Testing: Academic and Industrial Conference (TAICPART'08), pp. 82-86. IEEE Computer Society, 2008.

50. S. Wieczorek, A. Stefanescu, I. Schieferdecker. Test data provision for ERP systems. In Proc. of the International Conference on Software Testing, Verification, and Validation (ICST'08), pp. 396-403. IEEE Computer Society, 2008.

51. S. Leue, A. Stefanescu, W. Wei. An AsmL semantics for dynamic structures and run time schedulability in UML-RT. In Proc. of the 46th International Conference on Objects, Models, Components, Patterns (TOOLS'08), Lecture Notes in Business Information Processing (LNBIP), volume 11, pp. 238-257. Springer, 2008.

52. S. Leue, A. Stefanescu, W. Wei. Dependency Analysis for Control Flow Cycles in Reactive Communicating Processes. In 15th International SPIN Workshop on Model Checking of Software (SPIN'08), LNCS, volume 5156, pp. 176-195. Springer, 2008.

53. S. Leue, A. Stefanescu, W. Wei. A livelock freedom analysis for infinite state asynchronous reactive systems. In Proc. of the International Conference of Concurrency Theory (CONCUR’06), LNCS, volume 4137, pp. 79–94. Springer, 2006.

54. A. Stefanescu, K. Heljanko. Complexity results for checking distributed implementability. In Proc. of the 5th International Conference on Application of Concurrency to System Design (ACSD’05), pp. 78–87. IEEE Computer Society, 2005.

55. A. Stefanescu, J. Esparza, A. Muscholl. Synthesis of distributed algorithms using asynchronous automata. In Proc. of International Conference of Concurrency Theory (CONCUR’03), LNCS, volume 2761, pp. 27–41. Springer, 2003.

56. A. Stefanescu. Automatic synthesis of distributed systems. In Proc. of 17th IEEE International Conference on Automated Software Engineering (ASE’02), p. 315. IEEE Computer Society, 2002.

Other Papers (Workshops, Technical Reports, Whitepapers)

1. A. Ilie, M. Popescu, A. Stefanescu. Robustness as inherent property of datapoints. Poster paper. In Proc. of the Workshop on Artificial Intelligence Safety (AISafety'20) Workshop, affiliated with IJCAI'2020. CEUR-WS vol. 2640, 2020.

2. A. Panait, R. Olimid, A. Stefanescu. Identity management on blockchain - privacy and security aspects. Technical report arXiv:2004.13107, 2020.

3. A. Bagnato, A. Sadovykh, S. Dahab, S. Maag, A. Cavalli, A. Stefanescu, J.Rocheteau, S. Mallouli, W. Mallouli. Modeling OMG SMM metrics using the Modelio modeling tool in the MEASURE project. Revue Génie Logiciel, 120, pp. 46-52, 2017

4. I. Dinca, F. Ipate, A. Stefanescu. A survey of scientific results of the team of the University of Pitesti in the DEPLOY project. Buletin Stiintific al Universitatii din Pitesti, seria Matematica-Informatica, no. 18, pp. 13-20, December 2012.

5. A. Roth, A. Stefanescu, S. Wieczorek. Automatic test design and verification using MCM. Research Whitepaper, 8 pages. SAP Research, May 2009.

6. S. Wieczorek, A. Stefanescu, J. Großmann. Enabling Model-Based Testing for SOA Integration. In Proc. of Model-based Testing in Practice Workshop (MOTIP'08), in conjunction with ECMDA'08 conference, pp. 77-82. Fraunhofer IRB Verlag, 2008.

7. S. Leue, A. Stefanescu, W. Wei. An AsmL Semantics for Dynamic Structures and Run Time Schedulability in UML-RT. Technical Report soft-08-02, 37 pages, Chair for Software Engineering. University of Konstanz, 2008.

8. A. Stefanescu. Next-generation model-based testing for service-oriented architectures at SAP. Research Whitepaper, 17 pages. SAP Research, 2008.  

9. S. Wieczorek, A. Stefanescu. Challenges for ERP test data generation. In Proc. of 5th Workshop on System Testing and Validation (STV'07), in conjunction with ICSSEA conference. Fraunhofer IRB Verlag, 2007.

10. A. Stefanescu, S. Wieczorek. An Analysis of the Testing Process at AP SRM. Technical Report, 11 pages. SAP Research, 2007. 

11. S. Leue, A. Stefanescu, W. Wei. A livelock freedom analysis for infinite state asynchronous reactive systems, Technical Report soft-06-02, 16 pages, Chair for Software Engineering. University of Konstanz, 2006.

12. A. Stefanescu, K. Heljanko. Complexity results for checking distributed implementability. Technical Report 05/2004, 37 pages. University of Stuttgart, 2004.

Patents

1. S. Wieczorek, A. Roth, A. Stefanescu, V. Kozyura, A. Charfi, F.M. Kraft. System and method for message choreographies of services. U.S. Patent no 8448143 B2, filed 18.12.2008, published 13.05.2013.

Invited Talks

1. A. Stefanescu. Search Based Software Engineering for Model Based Development and Testing. At the 13th CREST Open Workshop Future Internet Testing (FITTEST) & Search Based Software Engineering (SBSE), 2011. [video of the talk]

2. S. Wieczorek, A. Stefanescu. Model-based testing in the enterprise software domain - past and future initiatives. In Dagstuhl Seminar 10421 "Model-Based Testing in Practice", 2010.

3. A. Stefanescu, S. Leue, W. Wei. An AsmL semantics for dynamic structures in UML-RT. In 2nd Workshop on "A Formal Semantics for UML" 2006, in conjunction with UML/MoDELS'06 conference, 2006. 

4. A. Stefanescu, S. Leue. An ASM semantics for the communication layer in Rational Rose Real-Time. In the 1st Workshop on "A Formal Semantics for UML", in conjunction with ECMDA'05 conference, 2005. 

Theses

• Habilitation Thesis (2017). Formal methods for software testing, verication and synthesis. 156 pp. University of Bucharest.  

• PhD Thesis (2006).  Automatic Synthesis of Distributed Transition Systems. 215 pp, University of Stuttgart. Supervisor: Prof. Javier Esparza. [See also the PhD defense slides]

• MSc Thesis (2000). Flownomial Calculus - from theory to practice. 80 pp, University of Bucharest. Supervisor: Prof. Gheorghe Stefanescu.

• BSc Thesis (1998). Process Algebras in Computer Science. 70 pp, University of Bucharest. Supervisor: Prof. Gheorghe Stefanescu.

Some of my publications are also listed in online databases: DBLP, Google Scholar, Web of Science, ResearchGate, Orcid, Scopus, Academic, ACM, IEEE, Semantic Scholar.    

Disclaimer: the full texts of the papers are only provided for non-commercial and personal use