Wednesday, May 6th, 2015

8:00 - 8:50: Registration

8:50 - 9:00: Opening and Welcome

9:00 - 10:00: Keynote by Victor Vianu: Analysis of Data-Centric Workfows.

10:00 - 10:30: Coffee Break

10:30 - 12:30: Session 1: Ontological Databases and Rules (Chair: Andrea Cali)

  • #33. Meghyn Bienvenu, Magdalena Ortiz and Mantas Simkus: Navigational Queries Based on Frontier-Guarded Datalog.
  • #18. Balder Ten Cate, Benny Kimelfeld and Dan Olteanu: PPDL: Probabilistic Programming with Datalog.
  • #20. Mostafa Milani and Leopoldo Bertossi: Tractable Query Answering and Optimization for Extensions of Weakly-Sticky Datalog+/-.
  • #3. Molham Aref, Benny Kimelfeld, Emir Pasalic and Nikolaos Vasiloglou: Extending Datalog with Predictive Analytics in LogicBox.
  • #28. Molham Aref, Benny Kimelfeld, Emir Pasalic and Nikolaos Vasiloglou: Chase termination for Guarded Existential Rules.
  • #35. Gosta Grahne, Ali Moallemi and Adrian Onet: Intuitionistic Data Exchange.
  • #22. Ricardo Mora and Claudio Gutierrez. Random Walk Closeness Centrality Satisfies Boldi-Vigna Axioms.

12:30 - 14:30: Lunch

14:30 - 15:30: Keynote by Wagner Meira Jr.: Data Mining: Cause or Consequence.

15:30 - 16:00: Coffee Break

16:00 - 18:00: Session 2: Data Mining and Integration (Chair: Pablo Barceló)

  • #7. Balder ten Cate, Phokion Kolaitis, Kun Qian and Wang-Chiew Tan: Approximation Algorithms for Schema-Mapping Discovery from Data Examples.
  • #12. Luiz Fernando Carvalho, Alberto Laender and Wagner Meira Jr.: Entity Matching: A Case Study on the Medical Domain.
  • #10. Urique Hoffmann, Moises Carvalho and Altigran S. Da Silva: Finding Similar Products in E-commerce Sites Based on Attributes.
  • #26. Alejandro Flores, María-Esther Vidal and Guillermo Palma: Exploiting Semantics to Predict Potential Novel Links from Dense Subgraphs.
  • #8. Benjamin Bustos and Aidan Hogan: IMGPedia: A Proposal to Enrich DBpedia with Image Meta-Data.
  • #29. Luigi Bellomarini, Paolo Atzeni and Luca Cabibbo: Data integration with many heterogeneous sources and dynamic target schemas.
  • #30.  Juan F. Sequeda and Claudio Gutierrez. How to explore an Unknown SPARQL endpoint?

18:00 - 19:30: Business meeting

20:30: Reception at El señorío de Sulco

Thursday, May 7th, 2015

9:00 - 10:00: Keynote by Dan Olteanu: Factorized Databases: Past and Future Past.

10:00 - 10:30: Coffee Break

10:30 - 12:30: Session 3: Semantic Web & Databases (Chair Maria-Esther Vidal)

  • #4. Shqiponja Ahmetaj, Wolfgang Fischl, Reinhard Pichler, Mantas Simkus and Sebastian Skritek: Towards Reconciling SPARQL and Certain Answers.
  • #37. Carlos Buil Aranda, Marcelo Arenas, Martín Ugarte and Michel Dumontier: A preliminary investigation into SPARQL query complexity and federation in Bio2RDF.
  • #31. Maurizio Lenzerini, Lorenzo Lepore and Antonella Poggi: Rethinking punning: a new semantics for OWL 2 QL.
  • #23. Daniel Hernandez and Claudio Gutierrez: Disentangling the notion of SPARQL Datasets.
  • #5. Pablo Barceló, Reinhard Pichler and Sebastian Skritek. Efficient Evaluation of Well-designed Pattern Trees.
  • #32. Marco Calautti, Sergio Greco, Cristian Molinaro and Irina Trubitsyna: Rewriting-based Check of Chase Termination.
  • #16. Juan L. Reutter, Martin Ugarte and Domagoj Vrgoc: Satisfiability of JSON Schema and Instance Validation

12:30 - 15:00: Lunch

15:00 - : Excursion: Visit to Larco Museum & Dinner at Restaurante Pescados Capitales


Friday, May 8th, 2015

9:00 - 10:00: Keynote by Guy van der Broeck: Symmetry in Probabilistic Databases.

10:00 - 10:30: Coffee Break

10:30 - 12:30: Session 4: Graphs & Rules (Chair: Andrea Cali)

  • #19. Nicolás Lehmann and Jorge Pérez. Implementing Graph Query Languages over Compressed Data Structures: A Progress Report.
  • # 17. Juan Reutter, Miguel Romero and Moshe Vardi. Regular Queries on Graph Databases.
  • #15. Jaroslaw Szlichta, Lukasz Golab and Divesh Srivastava. On Axiomatization and Inference Complexity over a Hierarchy of Functional Dependencies.
  • #21. Sergio Abriola, Santiago Figueira and Maria Emilia Descotte. Saturation, Definability, and Separation for XPath on Data Trees.
  • #9. Thomas Lukasiewicz, Maria Vanina Martinez, Andreas Pieris and Gerardo Simari. From Classical to Consistent Query Answering under Existential Rule.
  • #13. Theresa Csar, Reinhard Pichler, Emanuel Sallinger and Vadim Savenkov. Using Statistics for Computing Joins with MapReduce.
  • #27. Matteo Interlandi and Letizia Tanca. On the CALM Principle for BSP Computation.

12:30 - 14:30: Lunch

14:30 - 16:30: Session 5: Web Data & Social Networks (Chair: Maria-Esther Vidal)

  • #34. Olaf Hartig. LDQL: A language for Linked Data Queries.
  • #6. Jose Miguel Herrera, Barbara Poblete and Denis Parra. Ranking by Interest in Twitter Question and Answer Threads.
  • #38. Andrea Calì, Davide Martinenghi and Riccardo Torlone. Keyword Search in the Deep Web.
  • #25. Vanessa Peña-Araya, Mauricio Quezada and Bárbara Poblete. Proposal for Presentation: Tool for Exploratory Analysis of News Events on Social Media.
  • #11. Teresa Bracamonte and Bárbara Poblete. Query concepts discovery through community detection: A preliminar study.

16:30 - 17:00: Coffee Break

17:00 - 18:10: Session 6: Graphs & Knowledge Management (Chair: Andrea Cali)

  • #39. Diego Calvanese, Marco Montali, Fabio Patrizi and Andrey Rivkin. Implementing Data-Centric Dynamic Systems over a Relational DBMS.
  • #14.  Martin Przyjaciel-Zablocki, Alexander Schätzle and Adrian Lange. TriAL-QL: Distributed Processing of Navigational Queries.
  • #1. Benny Kimelfeld and Christopher Re. A Database Framework for Classifier Engineering.
  • #24. Shahan Khatchadourian and Mariano P. Consens: Fast Multi-Core Construction of Bisimulation Summaries of Large Graphs.

18:10-18:20 Closing

Organized by
Sponsored by
Yahoo! Labs CIWS URP UNMSM VLDB Endowment