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Works (19)

The Challenge of Optional Matching in SPARQL

Foundations of Information and Knowledge Systems
2016 | Other
DOI: 10.1007/978-3-319-30024-5_10
Contributors: Shqiponja Ahmetaj; Wolfgang Fischl; Markus Kröll; Reinhard Pichler; Mantas Šimkus; Sebastian Skritek
Source: Self-asserted source
Sebastian Skritek via Crossref Metadata Search

Efficient Evaluation and Approximation of Well-designed Pattern Trees

Proceedings of the 34th ACM Symposium on Principles of Database Systems - PODS '15
2015 | Conference paper
DOI: 10.1145/2745754.2745767
Contributors: Pablo Barcelo; Reinhard Pichler; Sebastian Skritek
Source: Self-asserted source
Sebastian Skritek via Crossref Metadata Search

Towards Reconciling SPARQL and Certain Answers

Proceedings of the 24th International Conference on World Wide Web - WWW '15
2015 | Conference paper
DOI: 10.1145/2736277.2741636
Contributors: Shqiponja Ahmetaj; Wolfgang Fischl; Reinhard Pichler; Mantas Šimkus; Sebastian Skritek
Source: Self-asserted source
Sebastian Skritek via Crossref Metadata Search

Benchmarking database systems for graph pattern matching

2014 | Book
DOI:

10.1007/978-3-319-10073-9-18

EID:

2-s2.0-84906685738
Contributors: Pobiedina, N.; Rümmele, S.; Skritek, S.; Werthner, H.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

Benchmarking Database Systems for Graph Pattern Matching

Database and Expert Systems Applications
2014 | Other
DOI: 10.1007/978-3-319-10073-9_18
Contributors: Nataliia Pobiedina; Stefan Rümmele; Sebastian Skritek; Hannes Werthner
Source: Self-asserted source
Sebastian Skritek via Crossref Metadata Search

Containment and equivalence of well-designed SPARQL

2014 | Conference paper
DOI:

10.1145/2594538.2594542

EID:

2-s2.0-84904344052
Contributors: Pichler, R.; Skritek, S.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

On the hardness of counting the solutions of SPARQL queries

2014 | Conference paper
EID:

2-s2.0-84907903472
Contributors: Pichler, R.; Skritek, S.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

Complexity of redundancy detection on RDF graphs in the presence of rules, constraints, and queries

2013 | Journal article
EID:

2-s2.0-84890305182
Contributors: Pichler, R.; Polleres, A.; Skritek, S.; Woltran, S.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

Efficient updates of uncertain databases

2013 | Conference paper
EID:

2-s2.0-84907889180
Contributors: Hubmer, A.; Pichler, R.; Savenkov, V.; Skritek, S.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

Static analysis and optimization of semantic web queries

2013 | Journal article
DOI:

10.1145/2500130

EID:

2-s2.0-84890759173
Contributors: Letelier, A.; Pérez, J.; Pichler, R.; Skritek, S.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

Tractable counting of the answers to conjunctive queries

2013 | Journal article
DOI:

10.1016/j.jcss.2013.01.012

EID:

2-s2.0-84877701554
Contributors: Pichler, R.; Skritek, S.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

Foundational aspects of semantic web optimization

2012 | Conference paper
DOI:

10.1145/2213598.2213611

EID:

2-s2.0-84862596952
Contributors: Skritek, S.; Pichler, R.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

SPAM: A SPARQL analysis and manipulation tool

2012 | Conference paper
EID:

2-s2.0-84873132072
Contributors: Letelier, A.; Pérez, J.; Pichler, R.; Skritek, S.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

Static analysis and optimization of semantic web queries

2012 | Conference paper
DOI:

10.1145/2213556.2213572

EID:

2-s2.0-84862629347
Contributors: Letelier, A.; Pérez, J.; Pichler, R.; Skritek, S.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

The complexity of evaluating tuple generating dependencies

2011 | Conference paper
DOI:

10.1145/1938551.1938583

EID:

2-s2.0-79952355324
Contributors: Pichler, R.; Skritek, S.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

Tractable counting of the answers to conjunctive queries

2011 | Conference paper
EID:

2-s2.0-84872346449
Contributors: Pichler, R.; Skritek, S.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

Minimising RDF graphs under rules and constraints revisited

2010 | Conference paper
EID:

2-s2.0-84872222022
Contributors: Pichler, R.; Polleres, A.; Skritek, S.; Woltran, S.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

Redundancy elimination on RDF graphs in the presence of rules, constraints, and queries

2010 | Book
DOI:

10.1007/978-3-642-15918-3_11

EID:

2-s2.0-78049379182
Contributors: Pichler, R.; Polleres, A.; Skritek, S.; Woltran, S.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier

Uncertain databases in collaborative data management

2010 | Conference paper
EID:

2-s2.0-84882975406
Contributors: Pichler, R.; Savenkov, V.; Skritek, S.; Truong, H.-L.
Source: Self-asserted source
Sebastian Skritek via Scopus - Elsevier
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