Conceptual Modeling

Invited Talks.- Data Management in the Era of Digitalization.- Keyword Search over RDF Datasets.- Next Generation Modeling Environments.- State of Permissionless and Permissioned Blockchains: Myths and Reality.- Session 1. Conceptual Modeling.- OOC-O: a Reference Ontology on Object-Oriented Code.- Relations in Ontology-Driven Conceptual Modeling.- Capturing Multi-Level Models in a Two-Level Formal Modeling Technique.- An SQLo front-end for Non-Monotonic Inheritance and De-referencing.- Session 2. Big data technology I.- Modeling Data Lakes with Data Vault: Practical Experiences, Assessment, and Lessons Learned.- Requirements-Driven Visualizations for Big Data Analytics: a Model-Driven approach.- Don't Tune Twice: Reusing Tuning Setups for SQL-on-Hadoop Queries.- A Graph Model for Taxi Ride Sharing supported by Graph Databases.- Session 3. Process modeling and analysis.- Comprehensive Process Drift Detection with Visual Analytics.- A Probabilistic Approach to Event-Case Correlation for Process Mining.- DCR-KiPN: a Hybrid Modeling Approach for Knowledge-intensive Processes.- Exploring the Modeling of Declarative Processes Using a Hybrid Approach.- Session 4. Query approaches.- Negation in Keyword Search over Relational Databases.- Answering GPSJ Queries in a Polystore: a Dataspace-Based Approach.- Ontology-Schema Based Query by Example.- Query Rewriting for Continuously Evolving NoSQL Databases.- Session 5. Big data technology II.- Relaxed Functional Dependency Discovery in Heterogeneous Data Lakes.- An ontological perspective for database tuning heuristics.- SkipSJoin: A New Physical Design for Distributed Big Data Warehouses in Hadoop.- Learning k-Occurrence Regular Expressions from Positive and Negative Samples.- Session 6. Domain specific models I.- What Rocks Are Made of: Towards an Ontological Pattern for Material Constitution in the Geological Domain.- Role-Based Clustering for Collaborative