Tijs Slaats

Tijs Slaats

Associate Professor


  1. Published

    A Two-Layer Blockchain Sharding Protocol Leveraging Safety and Liveness for Enhanced Performance

    Xu, Yibin, Zheng, J., Duedder, Boris, Slaats, Tijs & Zhou, Yongluan, 26 Feb 2024, Network and Distributed System Security (NDSS) Symposium 2024.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  2. Published

    Distributed and Adversarial Resistant Workflow Execution on the Algorand Blockchain

    Xu, Yibin, Slaats, Tijs, Duedder, Boris, Debois, S. & Wu, Haiqin, 2023, Financial Cryptography and Data Security. FC 2022 International Workshops. Matsuo, S., Gudgeon, L., Klages-Mundt, A., Perez Hernandez, D., Werner, S., Haines, T., Essex, A., Bracciali, A. & Sala, M. (eds.). Springer, p. 583–597 (Lecture Notes in Computer Science, Vol. 13412).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  3. Published

    A two-dimensional sharding model for access control and data privilege management of blockchain

    Xu, Yibin, Slaats, Tijs & Duedder, Boris, 2023, In: Simulation Modelling Practice and Theory. 122, 102678.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    Distributed and Adversarial Resistant Workflow Execution on the Algorand Blockchain

    Xu, Yibin, Slaats, Tijs, Duedder, Boris, Debois, S. & Wu, Haiqin, 2022, arxiv.org, 15 p.

    Research output: Working paperResearch

  5. Published

    MWPoW+: a strong consensus protocol for intra-shard consensus in blockchain sharding

    Xu, Yibin, Shao, J., Slaats, Tijs & Duedder, Boris, 2023, In: ACM Transactions on Internet Technology. 23, 2, p. 1-27 34.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Poster: Unanimous-Majority - Pushing Blockchain Sharding Throughput to its Limit

    Xu, Yibin, Slaats, Tijs & Duedder, Boris, 7 Nov 2022, CCS '22: Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications Security. Association for Computing Machinery (ACM), p. 3495–3497

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  7. Published

    Adding Generic Role- and Process-based Behaviors to Smart Contracts using Dynamic Condition Response Graphs

    Xu, Yibin, Slaats, Tijs, Duedder, Boris & Hildebrandt, Thomas Troels, May 2023, 2023 IEEE/ACM International Conference on Software and System Processes (ICSSP). IEEE, p. 70-80

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  8. Mixing paradigms for more comprehensible models

    Westergaard, M. & Slaats, Tijs, 2013, Business Process Management: 11th International Conference, BPM 2013, Beijing, China, August 26-30, 2013. Proceedings. Daniel, F., Wang, J. & Weber, B. (eds.). Springer, p. 283-290 8 p. (Lecture notes in computer science, Vol. 8094).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  9. CPN Tools 4: a process modeling tool combining declarative and imperative paradigms

    Westergaard, M. & Slaats, Tijs, 2013, Proceedings of the BPM Demo sessions 2013: co-located with 11th International Conference on Business Process Management (BPM2013). Fauvet, M-C. & van Dongen, B. (eds.). 5 p. (CEUR Workshop Proceedings, Vol. 1021).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  10. Published

    5th International Workshop on Declarative/Decision/Hybrid Mining and Modeling for Business Processes (DeHMiMoP’17)

    Vanthienen, J., Di Ciccio, C., Reijers, H. A., Slaats, Tijs, Schunselaar, D. & Debois, S., 2018, Business Process Management Workshops: BPM 2017 International Workshops, Barcelona, Spain, September 10–11, 2017, Revised Papers. Teniente, E. & Weidlich, M. (eds.). Springer, p. 526-541 (Lecture Notes in Business Information Processing, Vol. 308).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  11. Flexible process notations for cross-organizational case management systems

    Slaats, Tijs, 2015, IT-Universitetet i København. 275 p.

    Research output: Book/ReportPh.D. thesisResearch

  12. Published

    Weighing the Pros and Cons: Process Discovery with Negative Examples

    Slaats, Tijs, Debois, S. & Back, C.O., 2021, Business Process Management - 19th International Conference, BPM 2021, Proceedings. Polyvyanyy, A., Wynn, M. T., Van Looy, A. & Reichert, M. (eds.). Springer, p. 47-64 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 12875 LNCS).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  13. Published

    The semantics of hybrid process models

    Slaats, Tijs, Schunselaar, D. M. M., Maggi, F. M. & Reijers, H. A., 2016, On the move to meaningful internet systems: OTM 2016 conferences: confederated international conferences: CoopIS, C&TC, and ODBASE 2016, Rhodes, Greece, October 24-28, 2016, Proceedings. Debruyne, C., Panetto, H., Meersman, R., Dillon, T., Kühn, E., O'Sullivan, D. & Ardagna, C. A. (eds.). Springer, p. 531-551 21 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  14. Published

    DisCoveR: Process Mining for Knowledge-Intensive Processes with DCR Graphs

    Slaats, Tijs, 2023, In: CEUR Workshop Proceedings. 3424

    Research output: Contribution to journalConference articleResearchpeer-review

  15. Published

    Open to change: A theory for iterative test-driven modelling

    Slaats, Tijs, Debois, S. & Hildebrandt, Thomas Troels, 2018, Business Process Management - 16th International Conference, BPM 2018, Proceedings. Montali, M., Weber, I., Weske, M. & vom Brocke, J. (eds.). Springer, p. 31-47 17 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 11080 LNCS).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  16. Published

    Foundations and practice of binary process discovery

    Slaats, Tijs, Debois, S., Back, C.O. & Christfort, Axel Kjeld Fjelrad, 2024, In: Information Systems. 121, 20 p., 102339.

    Research output: Contribution to journalJournal articleResearchpeer-review

  17. Exformatics declarative case management workflows as DCR graphs

    Slaats, Tijs, Mukkamala, R. R., Hildebrandt, T. & Marquard, M., 2013, Business Process Management: 11th International Conference, BPM 2013, Beijing, China, August 26-30, 2013. Proceedings. Daniel, F., Wang, J. & Weber, B. (eds.). Springer, p. 339-354 16 p. (Lecture notes in computer science, Vol. 8094).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  18. Published

    Declarative and Hybrid Process Discovery: Recent Advances and Open Challenges

    Slaats, Tijs, 2020, In: Journal on Data Semantics. 9, 1, p. 3-20

    Research output: Contribution to journalJournal articleResearchpeer-review

  19. Published

    Mining Hybrid Business Process Models: A Quest for Better Precision

    Schunselaar, D. M. M., Slaats, Tijs, Maggi, F. M., Reijers, H. A. & Van Der Aalst, W. M. P., 2018, Business Information Systems: 21st International Conference, BIS 2018 Berlin, Germany, July 18–20, 2018 Proceedings. Abramowicz, W. & Paschke, A. (eds.). Springer, p. 190-205 16 p. (Lecture Notes in Business Information Processing, Vol. 320).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  20. Published

    DCR-KiPN a hybrid modeling approach for knowledge-intensive processes

    Santoro, F., Slaats, Tijs, Hildebrandt, Thomas Troels & Baiao, F., 2019, Conceptual Modeling - 38th International Conference, ER 2019, Proceedings. Laender, A. H. F., Pernici, B., Lim, E-P. & de Oliveira, J. P. M. (eds.). Springer VS, p. 153-161 9 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 11788 LNCS).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  21. Declarative modeling–an academic dream or the future for BPM?

    Reijers, H. A., Slaats, Tijs & Stahl, C., 2013, Business Process Management: 11th International Conference, BPM 2013, Beijing, China, August 26-30, 2013. Proceedings. Daniel, F., Wang, J. & Weber, B. (eds.). Springer, p. 307-322 16 p. (Lecture notes in computer science, Vol. 8094).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  22. Published

    On predicting and explaining asylum adjudication

    Piccolo, S. A., Gammeltoft-Hansen, Thomas, Katsikouli, Panagiota & Slaats, Tijs, 2023, ICAIL: International Conference on Artificial Intelligence and Law. Association for Computing Machinery, p. 217-226 10 p. (19th International Conference on Artificial Intelligence and Law, ICAIL 2023 - Proceedings of the Conference).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  23. Published

    Zoom and Enhance: Action Refinement via Subprocesses in Timed Declarative Processes

    Normann, H., Debois, S., Slaats, Tijs & Hildebrandt, Thomas Troels, 2021, Business Process Management - 19th International Conference, BPM 2021, Proceedings. Polyvyanyy, A., Wynn, M. T., Van Looy, A. & Reichert, M. (eds.). Springer, p. 161-178 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 12875 LNCS).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  24. Published

    Confronting Asylum Decision-making through Prototyping Sensemaking of Data and Participation

    Nielsen, Trine Rask, Katsikouli, Panagiota, Høgenhaug, Anna Murphy, Byrne, William Hamilton, Gammeltoft-Hansen, Thomas, Slaats, Tijs, Olsen, Henrik Palmer, Hildebrandt, Thomas Troels & Møller, Naja Holten, 2021, Proceedings of the 19th European Conference on Computer-Supported Cooperative Work, ECSCW 2021k: The International Venue on Practice-centred Computing on the Design of Cooperation Technologies, . European Society for Socially Embedded Technologies, 10 p. (Reports of the European Society for Socially Embedded Technologies; No. ECSCW, Vol. 2021).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  25. Published

    Discovering Responsibilities with Dynamic Condition Response Graphs

    Nekrasaite, V., Parli, A. T., Back, C.O. & Slaats, Tijs, 3 Jun 2019, Advanced Information Systems Engineering: 31st International Conference, CAiSE 2019, Rome, Italy, June 3–7, 2019, Proceedings. Giorgini, P. & Weber, B. (eds.). 31 ed. Springer, p. 595-610 15 p. (Lecture Notes in Computer Science, Vol. 11483).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  26. Towards trustworthy adaptive case management with dynamic condition response graphs

    Mukkamala, R. R., Hildebrandt, T. & Slaats, Tijs, 2013, 2013 17th IEEE International Enterprise Distributed Object Computing Conference (EDOC). IEEE, p. 127-136 10 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  27. Published

    Blockchains for Business Process Management - Challenges and Opportunities

    Mendling, J., Weber, I., van der Aalst, W., Brocke, J. V., Cabanillas, C., Daniel, F., Debois, S., Di Ciccio, C., Dumas, M., Dustdar, S., Gal, A., Garcia-Banuelos, L., Governatori, G., Hull, R., La Rosa, M., Leopold, H., Leymann, F., Recker, J., Reichert, M., Reijers, H. A. & 12 others, Rinderle-Ma, S., Solti, A., Rosemann, M., Schulte, S., Singh, M. P., Slaats, Tijs, Staples, M., Weber, B., Weidlich, M., Weske, M., Xu, X. & Zhu, L., Feb 2018, In: ACM Transactions on Management Information Systems. 9, 1, 16 p., 4.

    Research output: Contribution to journalJournal articleResearchpeer-review

  28. Web-based modelling and collaborative simulation of declarative processes

    Marquard, M., Shahzad, M. & Slaats, Tijs, 2015, Business Process Management: 13th International Conference, BPM 2015, Innsbruck, Austria, August 31 -- September 3, 2015, Proceedings. Motahari-Nezhad, H. R. & Weidlich, M. (eds.). Springer, p. 209-225 17 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  29. Published

    Forms are declarative processes!

    Marquard, M., Debois, S., Slaats, Tijs & Hildebrandt, T., 2016. 16 p.

    Research output: Contribution to conferencePaperResearch

  30. The automated discovery of hybrid processes

    Maggi, F. M., Slaats, Tijs & Reijers, H. A., 2014, Business Process Management: 12th International Conference, BPM 2014, Haifa, Israel, September 7-11, 2014. Proceedings. Sadiq, S., Soffer, P. & Völzer, H. (eds.). Springer, p. 392-399 8 p. (Lecture notes in computer science, Vol. 8659).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  31. Published

    Collaboration among Adversaries: Distributed Workflow Execution on a Blockchain

    Madsen, M. F., Gaub, M., Høgnason, T., Kirkbro, M. E., Slaats, Tijs & Debois, S., 2018. 8 p.

    Research output: Contribution to conferencePaperResearch

  32. Published

    Business process compliance using reference models of law

    López, H. A., Debois, S., Slaats, Tijs & Hildebrandt, Thomas Troels, 2020, Fundamental Approaches to Software Engineering: 23rd International Conference, FASE 2020, Held as Part of the European Joint Conferences on Theory and Practice of Software, ETAPS 2020, Dublin, Ireland, April 25–30, 2020, Proceedings. Wehrheim, H. & Cabot, J. (eds.). Springer, p. 378-399 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 12076).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  33. Published
  34. Published

    Decision Modelling in Timed Dynamic Condition Response Graphs with Data

    Hildebrandt, Thomas Troels, Normann, H., Marquard, M., Debois, S. & Slaats, Tijs, 2022, Business Process Management Workshops - BPM 2021 International Workshops, Revised Selected Papers: BPM 2021 International Workshops Rome, Italy, September 6–10, 2021 Revised Selected Papers. Marrella, A. & Weber, B. (eds.). Springer, p. 362-374 13 p. (Lecture Notes in Business Information Processing, Vol. 436 LNBIP).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  35. Published

    EcoKnow: Engineering Effective, Co-created and Compliant Adaptive Case Management Systems for Knowledge Workers

    Hildebrandt, Thomas Troels, Andaloussi, A. A., Christensen, L. R., Debois, S., Healy, N. P., López, H. A., Marquard, M., Møller, Naja Holten, Petersen, A. C. M., Slaats, Tijs & Weber, B., 2020, ICSSP '20: Proceedings of the International Conference on Software and System Processes. Association for Computing Machinery, p. 155--164

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  36. Published

    Declarative Choreographies and Liveness

    Hildebrandt, Thomas Troels, Slaats, Tijs, López, H. A., Debois, S. & Carbone, M., 2019, Formal Techniques for Distributed Objects, Components, and Systems - 39th IFIP WG 6.1 International Conference, FORTE 2019, held as part of the 14th International Federated Conference on Distributed Computing Techniques, DisCoTec 2019, Proceedings. Pérez, J. A. & Yoshida, N. (eds.). Springer, p. 129-147 19 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 11535 LNCS).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  37. Safe distribution of declarative processes

    Hildebrandt, T., Mukkamala, R. R. & Slaats, Tijs, 2011, Software Engineering and Formal Methods: 9th International Conference, SEFM 2011, Montevideo, Uruguay, November 14-18, 2011. Proceedings. Barthe, G., Pardo, A. & Schneider, G. (eds.). Springer, p. 237-252 16 p. (Lecture notes in computer science, Vol. 7041).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  38. A formal approach to distributed coordination of healthcare workflows

    Hildebrandt, T., Mukkamala, R. R. & Slaats, Tijs, 2011, Proceedings of the 3rd International Workshop on Infrastructures for Healthcare: global healthcare. Bjørn, P., Kensing, F. & Christensen, L. R. (eds.). IT-Universitetet i København, p. 31-36 6 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

  39. Modular context-sensitive and aspect-oriented processes with dynamic condition response graphs

    Hildebrandt, T., Mukkamala, R. R., Slaats, Tijs & Zanitti, F., 2013, Proceedings of the 12th workshop on Foundations of Aspect-oriented Languages. Association for Computing Machinery, p. 19-24 6 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  40. Nested dynamic condition response graphs

    Hildebrandt, T., Mukkamala, R. R. & Slaats, Tijs, 2011, Fundamentals of Software Engineering: 4th IPM International Conference, FSEN 2011, Tehran, Iran, April 20-22, 2011, Revised Selected Papers. Arbab, F. & Sirjani, M. (eds.). Springer, p. 343-350 8 p. (Lecture notes in computer science, Vol. 7141).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  41. Contracts for cross-organizational workflows as timed dynamic condition response graphs

    Hildebrandt, Thomas Troels, Mukkamala, R. R., Slaats, Tijs & Zanitti, F., 2013, In: Journal of Logical and Algebraic Methods in Programming. 82, 5-7, p. 164-185 22 p.

    Research output: Contribution to journalConference articleResearchpeer-review

  42. Dynamic condition response graphs for trustworthy adaptive case management

    Hildebrandt, T., Marquard, M., Mukkamala, R. R. & Slaats, Tijs, 2013, On the Move to Meaningful Internet Systems: OTM 2013 Workshops: Confederated International Workshops: OTM Academy, OTM Industry Case Studies Program, ACM, EI2N, ISDE, META4eS, ORM, SeDeS, SINCOM, SMS, and SOMOCO 2013, Graz, Austria, September 9 - 13, 2013, Proceedings. Demey, Y. T. & Panetto, H. (eds.). Springer, p. 166-171 6 p. (Lecture notes in computer science, Vol. 8186).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  43. Published

    Managing complexity in process digitalisation with dynamic condition response graphs

    Hildebrandt, T., Debois, S., Slaats, Tijs & Marquard, M., 2017, BIR-WS 2017: pre-BIR Forum, BIR Workshops and Doctoral Consortium 2017. Johansson, B. (ed.). CEUR-WS.org, 8 p. (CEUR Workshop Proceedings, Vol. 1898).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  44. Computer supported mobile adaptive business processes for 3gERP systems

    Hildebrandt, T., Glenstrup, A. J., Bundgaard, M., Højsgaard, E., Hallwyl, T., Slaats, Tijs, Nilsson, M. & Schmidt, K., 2008. 9 p.

    Research output: Contribution to conferencePaperResearch

  45. Designing a cross-organizational case management system using dynamic condition response graphs

    Hildebrandt, T., Mukkamala, R. R. & Slaats, Tijs, 2011, 2011 15th IEEE International Enterprise Distributed Object Computing Conference (EDOC). IEEE, p. 161-170 10 p.

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  46. Declarative modelling and safe distribution of healthcare workflows

    Hildebrandt, T., Mukkamala, R. R. & Slaats, Tijs, 2011, Foundations of Health Informatics Engineering and Systems: First International Symposium, FHIES 2011, Johannesburg, South Africa, August 29-30, 2011. Revised Selected Papers. Liu, Z. & Wassyng, A. (eds.). Springer, p. 39-56 18 p. (Lecture notes in computer science, Vol. 7151).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  47. Published

    Deconstructing Gender in Asylum Categories: An Archival Perspective on a Practice with Limited Access

    Gammeltoft-Hansen, Thomas, Kaltenhäuser, Kristin, Møller, Naja Holten & Slaats, Tijs, 2022, In: Proceedings the European Conference on Computer-Supported Cooperative Work. 20, 19 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  48. Published

    ReGraDa: Reactive Graph Data

    Galrinho, L., Seco, J. C., Debois, S., Hildebrandt, Thomas Troels, Norman, H. & Slaats, Tijs, 2021, Coordination Models and Languages - 23rd IFIP WG 6.1 International Conference, COORDINATION 2021, Held as Part of the 16th International Federated Conference on Distributed Computing Techniques, DisCoTec 2021, Proceedings. Damiani, F. & Dardha, O. (eds.). Springer, p. 188-205 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 12717 LNCS).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  49. Published

    Deriving consistent GSM schemas from DCR graphs

    Eshuis, R., Debois, S., Slaats, Tijs & Hildebrandt, T., 2016, Service-oriented computing: 14th International Conference, ICSOC 2016, Banff, AB, Canada, October 10-13, 2016, Proceedings. Sheng, Q. Z., Stroulia, E., Tata, S. & Bhiri, S. (eds.). Springer, p. 467-482 16 p. (Lecture notes in computer science, Vol. 9936).

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

  50. Published

    Preface to the Special Issue on Process Querying and Declarative, Decision and Hybrid Approaches to Processes 2019

    Di Ciccio, C., Debois, S., Polyvyanyy, A., Slaats, Tijs, Hofstede, A. T. & Vanthienen, J., 2021, In: Journal on Data Semantics. 10, 1-2, p. 107 1 p.

    Research output: Contribution to journalEditorialResearchpeer-review

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