SW projects

DortDB

  • A tool for querying multi-model data ponds
  • Author: Filip Ježek
  • Information: GitHub
  • The results of the project have been published in:
    • Ježek, F. - Koupil, P. - Kopecký, M. - Bártík, J. - Holubová, I.: DortDB: Bridging Query Languages for Multi-Model Data Ponds. VLDB '25: Proceedings of the 51st International Conference on Very Large Data Bases, Vol. 18, No. 12, London, United Kingdom, September 2025. VLDB Endowment 2025. ISSN 2150-8097. [www]

TransforMMer

  • A universal multi-model data generator
  • Author: Alžběta Šrůtková
  • Information: GitHUb, demo, DaRe
  • The results of the project have been published in:
    • Holubová, I. - Šrůtková, A. - Bártík, J.: Reshaping Reality: Creating Multi-Model Data and Queries from Real-World Inputs. ENASE '25: Proceedings of the 20th International Conference on Evaluation of Novel Approaches to Software Engineering, pages 174-184, Porto, Portugal, April 2025. SCITEPRESS, 2025. ISBN 978-989-758-742-9. [www]
    • Bártík, J. - Šrůtková, A. - Holubová, I.: TransforMMer: A Universal Multi-Model Data Generator. EDBT '25: Proceedings of the 28th International Conference on Extending Database Technology, pages 1150 - 1153, Barcelona, Spain, March 2025. OpenProceedings.org, 2025. ISSN. 2367-2005. [www]

MM-evoque

  • A tool for query synchronisation in multi-model databases
  • Author: Jáchym Bártík
  • Information: www
  • The results of the project have been published in:
    • Koupil, P. - Bártík, J. - Holubová, I.: MM-evoque: Query Synchronisation in Multi-Model Databases. EDBT '24: Proceedings of the 27th International Conference on Extending Database Technology, pages 818 - 821, Paestum, Italy, March 2024. OpenProceedings.org, 2024. ISSN 2367-2005. [www]

Atlas

  • A Tool for unified querying of multi-model data
  • Authors:
    • Jáchym Bártík
    • Štěpán Stenchlák
  • Information: GitHub
  • The results of the project have been published in:
    • Klimek, J. - Koupil, P. - Škoda, P. - Bártík, J. - Stenchlák, Š. - Nečaský, M. - Holubová, I.: Atlas: A Toolset for Efficient Model-Driven Data Exchange in Data Spaces. MODELS '23: Proceedings of the 26th International Conference on Model-Driven Engineering Languages and Systems, pages 4 - 8, Västeras, Sweden 2023. ACM Press, 2023. ISBN 979-8-3503-2498-3. [www]

MM-quecat

  • A Tool for unified querying of multi-model data
  • Author: Daniel Crha
  • Information: www
  • The results of the project have been published in:
    • Koupil, P. - Crha, D. - Holubova, I.: MM-quecat: A Tool for Unified Querying of Multi-Model Data. EDBT '23: Proceedings of the 26th International Conference on Extending Database Technology, pages 831 - 834, Ioannina, Greece 2023. OpenProceedings.org, 2023. ISBN 978-3-89318-092-9. [www]
    • Koupil, P. - Crha, D. - Holubova, I.: A Universal Approach for Simplified Redundancy-Aware Cross-Model Querying. Journal of Information Systems, volume 127. Elsevier, January 2025. ISSN 0306-4379. [www]

MM-evocat

  • A tool for modelling and evolution management of multi-model data
  • Author: Jáchym Bártík
  • Information: www
  • The results of the project have been published in:
    • Koupil, P. - Bartik, J. - Holubova, I.: MM-evocat: A Tool for Modelling and Evolution Management of Multi-Model Data. CIKM '22: Proceedings of the 31st ACM International Conference on Information and Knowledge Management, pages 4892 - 4896, Atlanta, Georgia, USA, October 2022. ACM Press, 2022. ISBN 978-1-4503-9236-5. [www]

MM-infer

  • A tool for inference of multi-model schemas
  • Author: Sebastián Hricko
  • Information: www
  • The results of the project have been published in:
    • Koupil, P. - Hricko, S. - Holubova, I.: MM-infer: A Tool for Inference of Multi-Model Schemas. EDBT '22: Proceedings of the 25th International Conference on Extending Database Technology, pages 566 - 569, Edinburgh, UK, March/April 2022. OpenProceedings.org, 2022. ISBN 978-3-89318-081-3. [www]
    • Koupil, P. - Hricko, S. - Holubova, I.: Schema Inference for Multi-Model Data. MODELS '22: Proceedings of the ACM / IEEE 25th International Conference on Model Driven Engineering Languages and Systems, pages 13 - 23, Montréal, Canada, October 2022. ACM Press, 2022. ISBN 978-1-4503-9466-6. [www]
    • Koupil, P. - Hricko, S. - Holubova, I.: A Universal Approach for Multi-Model Schema Inference. Journal of Big Data, volume 9, number 97. Springer Open, August 2022. ISSN 2196-1115. [www]

MM-cat

  • A multi-model data modelling framework based on category theory
  • Authors: Jáchym Bártík
  • Information: www
  • The results of the project have been published in:
    • Koupil, P. - Bartik, J. - Holubova, I.: MM-evocat: A Tool for Modelling and Evolution Management of Multi-Model Data. CIKM '22: Proceedings of the 31st ACM International Conference on Information and Knowledge Management, pages 4892 - 4896, Atlanta, Georgia, USA, October 2022. ACM Press, 2022. ISBN 978-1-4503-9236-5. [www]

Socneto

  • Scent of current network overview
  • Authors:
    • Petra Doubravová - Vysušilová
    • Jaroslav Knotek
    • Lukáš Kolek
    • Julius Flimmel
  • Information: www, project proposal
  • The results of the project have been published in:
    • Knotek, J. - Kolek, L. - Vysusilova, P. - Flimmel, J. - Holubova, I.: Socneto: a Scent of Current Network Overview. RCIS '21: Proceedings of the 15th International Conference on Research Challenges in Information Science, pages 568 - 574, May 2021. Lecture Notes in Computer Science, Springer 2021. ISBN 978-3-030-75017-6. [www]

STOCK

  • A system for user-friendly stock price prediction and sentiment analysis
  • Authors:
    • Harun Ćerim
    • Ilda Balliu
    • Kaan Yöş
    • Mahran Emeiri
  • Information: GitHub
  • The results of the project have been published in:
    • Balliu, I. - Cerim, H. - Emeiri, M. - Yos, K. - Holubova, I.: STOCK: a User-friendly Stock Prediction and Sentiment Analysis System. RCIS '21: Proceedings of the 15th International Conference on Research Challenges in Information Science, pages 575 - 580, May 2021. Lecture Notes in Computer Science, Springer 2021. ISBN 978-3-030-75017-6. [www]

BDgen

  • A generator of testing Big Data
  • Authors:
    • Tomáš Faltín
    • Michal Hanzeli
    • Vojtěch Šípek
    • Jan Škvařil
    • Dušan Variš
  • Information: www, project proposal (in Czech)
  • The results of the project have been published in:
    • Faltin, T. - Hanzeli, M. - Sipek, V. - Skvaril, J. - Varis, D. - Holubova, I.: BDgen: A Universal Big Data Generator. IDEAS '17: Proceedings of the 21st International Database Engineering & Applications Symposium, pages 200 - 208, Bristol, Great Britain, July 2017. ACM Press, 2017. ISBN 978-1-4503-1234-9. [www]

DaemonX

  • A framework for efficient modelling and evolution management
  • Authors:
    • Martin Chytil
    • Karel Jakubec
    • Vladimír Kudelas
    • Peter Piják
    • Marek Polák
  • Information: www, project proposal (in Czech)
  • The results of the project have been published in:
    • Polak, M. - Holubova, I.: Advanced REST API Management and Evolution Using MDA. DChanges '15: Proceedings of the 3rd International Workshop on (Document) Changes: Modeling, Detection, Storage and Visualization, held in conjunction with DocEng '15: 15th ACM SIGWEB International Symposium on Document Engineering, pages 11 - 18, Lausanne, Switzerland, September 2015. ACM Press, 2015. ISBN 978-1-4503-3714-4. [www]
    • Polak, M. - Holubova, I.: REST API Management and Evolution Using MDA. C3S2E '15: Proceedings of the 8th International C* Conference on Computer Science & Software Engineering, pages 102 - 109, Yokohoma, Japan, July 2015. ACM Press, 2015. ISBN 978-1-4503-3419-8. [www]
    • Polak, M. - Chytil, M. - Jakubec, K. - Kudelas, V. - Pijak, P. - Necasky, M. - Holubova (Mlynkova), I.: Data and Query Adaptation using DaemonX. Computing and Informatics Journal, volume 34, number 1, pages 1001 - 1039. Institute of Informatics, Slovak Academy of Sciences, 2015. ISSN 1335-9150. [www]
    • Jilkova, E. - Polak, M. - Holubova, I.: Adaptive Similarity of XML Data. ODBASE '14: Proceedings of the 13th International Conference on Ontologies, DataBases, and Applications of Semantics, pages 535 - 552, Amantea, Italy, October 2014. Springer, 2014. Lecture Notes in Computer Science 8841, Springer-Verlag, 2014. ISBN 978-3-662-45562-3. [www]
    • Jakubec, K. - Polak, M. - Necasky, M. - Holubova, I.: Undo/Redo Operations in Complex Environments. ANT '14: Proceedings of the 5th International Conference on Ambient Systems, Networks and Technologies, pages 561 - 570, Hasselt, Belgium, June 2014. Procedia Computer Sciences, volume 32. Elsevier, 2014. ISSN 1877-0509. [www]
    • Chytil, M. - Jakubec, K. - Kudelas, V. - Pijak, P. - Polak, M. - Necasky, M. - Holubova (Mlynkova), I.: DaemonX: Design Adaptation Evolution and Managment of Native XML. iiWAS '13: Proceedings of the 15th International Conference on Information Integration and Web-based Applications & Services, pages 484 - 493, Vienna, Austria, December 2013. ACM Press, 2013. ISBN 978-1-4503- 2113-6. [www]
    • Chytil, M. - Polak, M. - Necasky, M. - Holubova (Mlynkova), I.: Evolution of a Relational Schema and its Impact on SQL Queries. IDC '13: Proceedings of the 7th International Symposium on Intelligent Distributed Computing, pages 5 - 15, Prague, Czech Republic. Studies in Computational Intelligence, volume 511. Springer, 2013. ISBN 978-3-319-01570-5. [www]
    • Pijak, P. - Maly, J. - Necasky, M. - Holubova (Mlynkova), I.: UCL – Universal Constraint Language. ISD '13: Proceedings of the 22nd International Conference on Information Systems Development, pages 525 - 537, Sevilla, Spain, September 2013. Springer Science+Business Media, Inc., 2014. ISBN 978-3-319-07214-2. [www]
    • Polak, M. - Mlynkova, I. - Pardede, E.: XML Query Adaptation as Schema Evolves. ISD '12: Proceedings of the 21st International Conference on Information Systems Development, pages 401 - 416, Prato, Italy, August 2012. Springer Science+Business Media, Inc., 2013. ISBN 978-1-4614-7539-2. [www]

jInfer

  • A framework for semi-automatic inference of XML schemas
  • Authors:
    • Michal Klempa
    • Mário Mikula
    • Robert Smetana
    • Michal Švirec
    • Matěj Vitásek
  • Information: www, project proposal (in Czech)
  • The results of the project have been published in:
    • Klempa, M. - Kozak, M. - Mikula, M. - Smetana, R. - Starka, J. - Svirec, M. - Vitasek, M. - Necasky, M. - Holubova (Mlynkova), I.: jInfer: A Framework for XML Schema Inference. The Computer Journal, pages 1 - 23. Oxford University Press, 2013. ISSN 0010-4620. [www]
    • Klempa, M. - Starka, J. - Mlynkova, I.: Optimization and Refinement of XML Schema Inference Approaches. ANT '12: Proceedings of the 3rd International Conference on Ambient Systems, Networks and Technologies, pages 120 - 127, Niagara Falls, Ontario, Canada, August 2012. Procedia Computer Sciences, volume 10, Elsevier, 2012. ISSN 1877-0509. [www]
    • Vitasek, M. - Mlynkova, I.: Inference of XML Integrity Constraints. ADBIS '12: Proceedings of the 16th East-European Conference on Advances in Databases and Information Systems, pages 285 - 296, Poznan, Poland, September 2012. Advances in Intelligent and Soft Computing, Springer-Verlag, 2012. ISBN 978-3-642-32740-7. ISSN 2194-5357. [www]
    • Svirec, M. - Mlynkova, I.: Efficient Detection of XML Integrity Constraints Violation. NDT '12: Proceedings of the 4th International Symposium on Networked Digital Technologies, pages 259 - 273, Dubai, UAE, April 2012. Communications in Computer and Information Science 293, Springer-Verlag, 2012. ISBN 978-3-642-30506-1. ISSN 1865-0929. [www]
    • Mikula, M. - Starka, J. - Mlynkova, I.: Inference of an XML Schema with the Knowledge of XML Operations. SITIS '12: Proceedings of the 8th International Conference on Signal-Image Technology and Internet-Based Systems, pages 433 - 440, Naples, Italy, November 2012. IEEE Computer Society Press, 2012. ISBN 978-1-4673-5152-2. [www]

Analyzer

  • A framework for analyses of real-world data
  • Authors:
    • Jakub Stárka
    • Jan Sochna
    • Martin Svoboda
    • Jiří Schejbal
  • Information: www, project proposal (in Czech)
  • The results of the project have been published in:
    • Starka, J. - Svoboda, M. - Sochna, J. - Schejbal, J. - Mlynkova, I. - Bednarek, D.: Analyzer - A Complex System for Data Analysis. The Computer Journal, volume 55, issue 5, pages 590 - 615. Oxford University Press, 2012. ISSN 0010-4620. [www]
    • Starka, J. - Svoboda, M. - Schejbal, J. - Mlynkova, I. - Bednarek, D.: XML Document Correction and XQuery Analysis with Analyzer. DATESO '11: Databases, Texts, Specifications, and Objects, pages 61 - 72, Písek, Czech Republic, April 2011. MatfyzPress, 2011. CEUR Workshop Proceedings, Volume 706. ISBN 978-80-248-2391-1. ISSN 1613-0073. [www]
    • Schejbal, J. - Starka, J. - Mlynkova, I.: XQConverter: A System for XML Query Analysis. FlexDBIST '11: Proceedings of the 6th International Workshop on Flexible Database and Information System Technology of DEXA '11: 22nd International Conference on Database and Expert Systems Applications, pages 129 - 133, Toulouse, France, August/September 2011. IEEE Computer Society Press, 2011. ISBN 978-0-7695-4486-1. [www]
    • Svoboda, M. - Starka J. - Sochna J. - Schejbal J. - Mlynkova, I.: Analyzer: A Framework for File Analysis. BenchmarX '10: Proceedings of the 2nd International Workshop on Benchmarking of Database Management Systems and Data-Oriented Web Technologies of DASFAA '10: 15th International Conference on Database Systems for Advanced Applications, Tsukuba, Japan, April 2010. Springer-Verlag, 2010. [www]