Shqiponja Ahmetaj

 
  • Project Assistant, MSc
  • TU Wien
  • Institut für Informationssysteme 184/3
  • Favoritenstraße 9–11
  • 1040 Wien
  • Austria

  • Room: HA 03 05
  • Phone: +43 (1) 58801 – 740049
  • Email: ahmetaj [at] dbai.tuwien.ac.at
  • Web: DBAI Staff, TISS

Research Interests

  • Databases (query languages, rule languages, combining rules and ontologies), Description Logics, Semantic Web

Current Position


Education


Publications

  1. S. Ahmetaj, M. Ortiz, and M. Simkus, Rewriting guarded existential rules into small datalog programs. ICDT 2018. To appear.
  2. S. Ahmetaj, D. Calvanese, M. Ortiz, and M. Simkus. Managing change in graph-structured data using description logics. ACM Transactions on Computational Logic (TOCL) 2017. To appear.
  3. S. Ahmetaj, M. Ortiz, M. Simkus, Polynomial Datalog Rewritings for Expressive Description Logics with Closed Predicates [pdf], in: Proceedings of the Twenty-Fifth International Joint Conference on Artificial Intelligence, IJCAI 2016, New York, NY, USA,July 2016. pages 878--885. IJCAI/AAAI Press, 2016
  4. S. Ahmetaj, W. Fischl, R. Pichler, M. Simkus, S. Skritek, Towards Reconciling SPARQL and Certain Answers [pdf], in: Proceedings of the 24th International Conference on World Wide Web, WWW 2015, pages 23--33, ACM Press, 2015.
  5. S. Ahmetaj, D. Calvanese, M. Ortiz, M. Simkus, Managing Change in Graph-Structured Data Using Description Logics [pdf],[extended+proofs], in: Proceedings of the Twenty-Eighth AAAI Conference on Artificial Intelligence, July 27 -31, 2014, Quebec City, Quebec, Canada, pages 966--973, AAAI Press, 2014
  6. S. Ahmetaj, W. Fischl, M. Kroell, R. Pichler, M. Simkus, S. Skritek, The challenge of optional matching in SPARQL [pdf], in: Foundations of Information and Knowledge Systems - 9th International Symposium, FoIKS 2016, volume 9616 of LNCS, pages 169--190, Springer, 2016.
  7. S. Ahmetaj, M. Ortiz, M. Simkus, Polynomial Datalog Rewritings for Ontology Mediated Queries with Closed Predicates [pdf], in: Proceedings of the 10th Alberto Mendelzon International Workshop on Foundations of Data Management, Panama City, Panama, May 2016.
  8. S. Ahmetaj, M. Ortiz, M. Simkus, Polynomial Disjunctive Datalog Rewritings of Instance Queries in Expressive Description Logics [pdf], in: Proceedings of the 29th International Workshop on Description Logics, Cape Town, South Africa, April 2016.
  9. S. Ahmetaj, W. Fischl, R. Pichler, M. Simkus, S. Skritek, Towards Reconciling SPARQL and Certain Answers (Extended Abstract) [pdf], in: Proceedings of the Alberto Mendelzon International Workshop on Foundations of Data Management, AMW, Peru, 2015.
  10. S. Ahmetaj, W. Fischl, R. Pichler, M. Simkus, S. Skritek, DL-Lite and Conjunctive Queries Extended by Optional Matching [pdf], in: Proceedings of the 28th International Workshop on Description Logics, DL, Athens, Greece, 2015.
  11. S. Ahmetaj, D. Calvanese, M. Ortiz, M. Simkus, Planning and Change in Graph Structured Data under Description Logics Constraints [pdf], in: Proceedings of the 8th Alberto Mendelzon Workshop on Foundations of Data Management, AMW, Colombia, 2014.
  12. S. Ahmetaj, D. Calvanese, M. Ortiz, M. Simkus, Planning Problems for Graph Structured Data in Description Logics [pdf], in: Proceedings of the International Workshop on Description Logics, DL, Vienna, Austria, 2014, pages 4--7, CEUR Workshop Proceedings.

Awards