From which institute did the writer of 'Artificial Intelligence and Artificial Ignorance (Invited Talk)' receive an honorary doctorate in 2020?
University of Vienna
Georg Gottlob et al.: Consistency Checking of Re-engineered UML Class Diagrams via Datalog+/-. (2015) authored by Georg Gottlob. Nick Bassiliades et al.: Datalog+/-: A Family of Languages for Ontology Querying. (2010) authored by Georg Gottlob. The Special Track on Rule-based Recommender Systems for the Web of Data was hosted by the 9th International Web Rule Symposium (RuleML 2015), Berlin, Germany, August 2-5, 2015. Georg Gottlob et al.: Complexity Analysis of Generalized and Fractional Hypertree Decompositions. (2021) authored by Georg Gottlob. Isolde Adler et al.: Hypertree width and related hypergraph invariants. (2008) authored by Georg Gottlob. Georg Gottlob et al.: Fractional Covers of Hypergraphs with Bounded Multi-Intersection. (2020) authored by Georg Gottlob. Georg Gottlob and Jorge Pérez: Proceedings of the 8th Alberto Mendelzon Workshop on Foundations of Data Management, Cartagena, Colombia, June 4-6, 2014. Georg Gottlob and Reinhard Pichler: Hypergraphs in Model Checking: Acyclicity and Hypertree-Width versus Clique-Width. (2004) authored by Georg Gottlob. Andrea Cal<unk> et al.: A general datalog-based framework for tractable query answering over ontologies. (2007) authored by Georg Gottlob. Georg Gottlob et al.: Robbers, Marshals, and Guards: Game Theoretic and Logical Characterizations of Hypertree Width. (2001) authored by Georg Gottlob. Marcelo Arenas et al.: A Datalog-Based Language for Querying RDF Graphs. (2016) authored by Georg Gottlob. Georg Gottlob et al.: Robbers, marshals, and guards: game theoretic and logical characterizations of hypertree width. (2001) authored by Georg Gottlob. Marcelo Arenas et al.: Querying the Semantic Web via Rules. (2020) authored by Georg Gottlob. Georg Gottlob and Christos H. Papadimitriou: On the complexity of single-rule datalog queries. (2003) authored by Georg Gottlob. Filippo Cacace et al.: ALGRES: An Extended Relational Database System for the Specification and Prototyping of Complex Applications. (1989) authored by Georg Gottlob. Robert Baumgartner et al.: Visual Programming of Web Data Aggregation Applications. (2003) authored by Georg Gottlob. '<unk>. His recent work on XML query languages (notably XPath) has helped create the complexity-theoretical foundations of this area. '<unk>. tive queries on relational databases is equivalent to the constraint satisfaction problem. '<unk>.
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Question: From which institute did the writer of 'Artificial Intelligence and Artificial Ignorance (Invited Talk)' receive an honorary doctorate in 2020?
Context: Georg Gottlob et al.: Consistency Checking of Re-engineered UML Class Diagrams via Datalog+/-. (2015) authored by Georg Gottlob. Nick Bassiliades et al.: Datalog+/-: A Family of Languages for Ontology Querying. (2010) authored by Georg Gottlob. The Special Track on Rule-based Recommender Systems for the Web of Data was hosted by the 9th International Web Rule Symposium (RuleML 2015), Berlin, Germany, August 2-5, 2015. Georg Gottlob et al.: Complexity Analysis of Generalized and Fractional Hypertree Decompositions. (2021) authored by Georg Gottlob. Isolde Adler et al.: Hypertree width and related hypergraph invariants. (2008) authored by Georg Gottlob. Georg Gottlob et al.: Fractional Covers of Hypergraphs with Bounded Multi-Intersection. (2020) authored by Georg Gottlob. Georg Gottlob and Jorge Pérez: Proceedings of the 8th Alberto Mendelzon Workshop on Foundations of Data Management, Cartagena, Colombia, June 4-6, 2014. Georg Gottlob and Reinhard Pichler: Hypergraphs in Model Checking: Acyclicity and Hypertree-Width versus Clique-Width. (2004) authored by Georg Gottlob. Andrea Cal<unk> et al.: A general datalog-based framework for tractable query answering over ontologies. (2007) authored by Georg Gottlob. Georg Gottlob et al.: Robbers, Marshals, and Guards: Game Theoretic and Logical Characterizations of Hypertree Width. (2001) authored by Georg Gottlob. Marcelo Arenas et al.: A Datalog-Based Language for Querying RDF Graphs. (2016) authored by Georg Gottlob. Georg Gottlob et al.: Robbers, marshals, and guards: game theoretic and logical characterizations of hypertree width. (2001) authored by Georg Gottlob. Marcelo Arenas et al.: Querying the Semantic Web via Rules. (2020) authored by Georg Gottlob. Georg Gottlob and Christos H. Papadimitriou: On the complexity of single-rule datalog queries. (2003) authored by Georg Gottlob. Filippo Cacace et al.: ALGRES: An Extended Relational Database System for the Specification and Prototyping of Complex Applications. (1989) authored by Georg Gottlob. Robert Baumgartner et al.: Visual Programming of Web Data Aggregation Applications. (2003) authored by Georg Gottlob. '<unk>. His recent work on XML query languages (notably XPath) has helped create the complexity-theoretical foundations of this area. '<unk>. tive queries on relational databases is equivalent to the constraint satisfaction problem. '<unk>.
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