Conceptual Modeling 38th International Conference, ER 2019, Salvador, Brazil, November 4–7, 2019, Proceedings

The 22 full and 22 short papers presented together with 4 keynotes were carefully reviewed and selected from 142 submissions.

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 speci?c models I.- What Rocks Are Made of: Towards an Ontological Pattern for Material Constitution in the Geological Domain.- Role-Based Clustering for Collaborative Recommendations in Crowdsourcing System.- A Reference Conceptual Model for Virtual Network Function Online Marketplaces.- Intuitive Understanding of Domain-speci?c Modeling Languages: Proposition and Application of an Evaluation Technique.- Session 7. Domain speci?c models II.- A Unifying Model of Legal Smart Contracts.- Formal Speci?cation of Environmental Aspects of a Railway Interlocking System Based on a Conceptual Model.- From a Conceptual Model to a Knowledge Graph for Genomic Datasets.- Session 8. Decision making.- Decision-making in Knowledge-intensive Processes: The Case of Value Ascription and Goal Processing.- Conceptualization, Design, and Implementation of EconBPC – A Software Artifact for the Economic Analysis of Business Process Compliance.- DEMOS: a participatory design approach for democratic empowerment of IS users.- Session 9. Complex Systems Modeling.- Finding Preferred Objects with Taxonomies.- Generic negative scenarios for the speci?cation of collaborative cyber-physical systems.- Session 10. Model uni?cation.- HIKE: A Step Beyond Data Exchange.- Uni?ed Management of Multi-Model Data.- Schema Validation and Evolution for Graph Databases.- Grounding for an Enterprise Computing Nomenclature Ontology.- Session 11. Big data technology III.- Events as Entities in Ontology-Driven Conceptual Modeling.- Parallel Clique-like Subgraph Counting and Listing.- Modal Schema Graphs for Graph Databases.- A Systematic Approach to Generate Diverse Instantiations for Conceptual Schemas.- Session 12. Requirements modeling.- Factors a?ecting comprehension of contribution links in goal models: an experiment.- iStar-p: A Modelling Language for Requirements Prioritization.- On the Use of Requirement Patterns to Analyse Request for Proposal Documents.- iStar4RationalAgents: Modeling Requirements of Multi-Agent Systems with Rational Agents.