| Vol-2369 urn:nbn:de:0074-2369-9 Copyright © 2019 for the individual papers by the papers' authors. Copying permitted for private and academic purposes. This volume is published and copyrighted by its editors.

# AMW 2019
Alberto Mendelzon Workshop on Foundations of Data Management

### Proceedings of the 13th Alberto Mendelzon International Workshop on Foundations of Data Management

### Asunción, Paraguay, June 3–7, 2019.

Edited by

### Aidan Hogan *
Tova Milo **

* DCC, University of Chile, Santiago, Chile
** School of Computer Science, Tel Aviv University, Israel

## Table of Contents

### Keynotes

- From Complete to Incomplete Data and Back in Ontology-Enriched Databases
  Magdalena Ortiz
- Enabling Search by Experience
  Wang-Chiew Tan
- Schemas for Graphs and Other Forms of Semi-Structured Data
  Juan L. Reutter
- Query Optimization by Quantifier Elimination
  Christoph Koch

### Regular Papers

- RDF and Property Graphs Interoperability: Status and Issues
  Renzo Angles, Harsh Thakkar, Dominik Tomaszuk
- Trajectory Patterns Based on Segment-Cutting Clustering
  Luis Cabrera-Crot, Monica Caniupán, Andrea Rodríguez, Diego Seco
- Spanish Word Embeddings Learned on Word Association Norms
  Helena Gómez-Adorno, Jorge Reyes-Magaña, Gemma Bel-Enguix, Gerardo Sierra

### Short Papers

- Semantic Width Revisited (Extended Abstract)
  Georg Gottlob, Matthias Lanzinger, Reinhard Pichler
- HyperBench: A Benchmark and Tool for Hypergraphs and Empirical Findings
  Wolfgang Fischl, Georg Gottlob, Davide M. Longo, Reinhard Pichler
- Parallel Computation of Generalized Hypertree Decompositions
  Georg Gottlob, Cem Okulmus, Reinhard Pichler
- An Empirical Analysis of GraphQL API Schemas in Open Code Repositories and Package Registries
  Yun Wan Kim, Mariano Consens, Olaf Hartig
- Querying APIs With SPARQL
  Matthieu Mosser, Fernando Pieressa, Juan L. Reutter, Adrián Soto, Domagoj Vrgoč
- On Directly Mapping Relational Databases to Property Graphs
  Radu Stoica, George Fletcher, Juan F. Sequeda
- Linear Recursion in G-CORE
  Valentina Urzua, Claudio Gutíerrez
- Towards Reconciling Certain Answers and SPARQL: Bag Semantics to the Rescue?
  Sebastian Skritek
- Anomaly Detection in Public Procurements using the Open Contracting Data Standard
  Elisabeth Kehler, Julio Paciello, Juan Pane
- Map-Elites Algorithm for Features Selection Problem
  Brenda Quiñonez, Diego P. Pinto-Roa, Miguel García-Torres, María E. García-Diaz, Carlos Núñez-Castillo, Federico Divina
- Bring Order to Data
  Heidar Davoudi, Parke Godfrey, Lukasz Golab, Mehdi Kargar, Divesh Srivastava, Jaroslaw Szlichta
- A Non-Uniform Tuning Method for SQL-on-Hadoop Systems
  Edson Ramiro Lucas Filho, Renato Silva de Melo, Eduardo Cunha De Almeida
- Datalog-based Reasoning for Knowledge Graphs
  Luigi Bellomarini, Georg Gottlob, Emanuel Sallinger
- Dynamic Pipelining of Multidimensional Range Queries
  Amalia Duch, Daniel Lugosi, Edelmira Pasarella, Cristina Zoltan

2019-06-01: submitted by Aidan Hogan, metadata incl. bibliographic data published under Creative Commons CC0
2019-06-02: published on CEUR-WS.org |valid HTML5|