Efficient algorithms for processing XPath queries G Gottlob, C Koch, R Pichler ACM Transactions on Database Systems (TODS) 30 (2), 444-491, 2005 | 659 | 2005 |
Efficient processing of XPath queries G Gottlob, C Koch, R Pichler US Patent 7,162,485, 2007 | 225 | 2007 |
The complexity of XPath query evaluation G Gottlob, C Koch, R Pichler Proceedings of the twenty-second ACM SIGMOD-SIGACT-SIGART symposium on …, 2003 | 185 | 2003 |
Static analysis and optimization of semantic web queries A Letelier, J Pérez, R Pichler, S Skritek ACM Transactions on Database Systems (TODS) 38 (4), 1-45, 2013 | 125 | 2013 |
Bounded treewidth as a key to tractability of knowledge representation and reasoning G Gottlob, R Pichler, F Wei Artificial Intelligence 174 (1), 105-132, 2010 | 125 | 2010 |
The complexity of XPath query evaluation and XML typing G Gottlob, C Koch, R Pichler, L Segoufin Journal of the ACM (JACM) 52 (2), 284-335, 2005 | 96 | 2005 |
Towards fixed-parameter tractable algorithms for abstract argumentation W Dvořák, R Pichler, S Woltran Artificial Intelligence 186, 1-37, 2012 | 94 | 2012 |
XPath query evaluation: Improving time and space efficiency G Gottlob, C Koch, R Pichler Proceedings 19th International Conference on Data Engineering (Cat. No …, 2003 | 93 | 2003 |
Quality-aware service-oriented data integration: requirements, state of the art and open challenges S Dustdar, R Pichler, V Savenkov, HL Truong ACM SIGMOD Record 41 (1), 11-19, 2012 | 69 | 2012 |
Tractable counting of the answers to conjunctive queries R Pichler, S Skritek Journal of Computer and System Sciences 79 (6), 984-1001, 2013 | 67 | 2013 |
Answer-Set Programming with Bounded Treewidth. M Jakl, R Pichler, S Woltran IJCAI 9, 816-822, 2009 | 67 | 2009 |
Hypergraphs in model checking: Acyclicity and hypertree-width versus clique-width G Gottlob, R Pichler SIAM Journal on Computing 33 (2), 351-378, 2004 | 63 | 2004 |
General and fractional hypertree decompositions: Hard and easy cases W Fischl, G Gottlob, R Pichler Proceedings of the 37th ACM SIGMOD-SIGACT-SIGAI Symposium on Principles of …, 2018 | 60 | 2018 |
Containment and equivalence of well-designed SPARQL R Pichler, S Skritek Proceedings of the 33rd ACM SIGMOD-SIGACT-SIGART symposium on Principles of …, 2014 | 60 | 2014 |
Monadic datalog over finite structures of bounded treewidth G Gottlob, R Pichler, F Wei ACM Transactions on Computational Logic (TOCL) 12 (1), 1-48, 2010 | 58 | 2010 |
Foundations of rule-based query answering F Bry, N Eisinger, T Eiter, T Furche, G Gottlob, C Ley, B Linse, R Pichler, ... Reasoning Web: Third International Summer School 2007, Dresden, Germany …, 2007 | 56 | 2007 |
XPath processing in a nutshell G Gottlob, C Koch, R Pichler ACM SIGMOD Record 32 (1), 12-19, 2003 | 52 | 2003 |
Belief revision within fragments of propositional logic N Creignou, O Papini, R Pichler, S Woltran Journal of Computer and System Sciences 80 (2), 427-449, 2014 | 51 | 2014 |
On the complexity of enumerating the extensions of abstract argumentation frameworks M Kröll, R Pichler, S Woltran Proceedings of the 26th International Joint Conference on Artificial …, 2017 | 46 | 2017 |
Capturing relational schemas and functional dependencies in RDFS D Calvanese, W Fischl, R Pichler, E Sallinger, M Simkus Proceedings of the AAAI Conference on Artificial Intelligence 28 (1), 2014 | 44 | 2014 |