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Georg Gottlob

Summary

Georg Gottlob FRS is an Austrian-Italian computer scientist who works in the areas of database theory, logic, and artificial intelligence and is Professor of Informatics at the University of Calabria. He was Professor at the University of Oxford.[3][6][7][8][9][10][11][12][13]

Georg Gottlob
Born (1956-06-30) 30 June 1956 (age 67)[5]
Vienna, Austria
NationalityAustrian and Italian
Alma materVienna University of Technology
Awards
Scientific career
Fields
Institutions
ThesisMehrwertige Logik – Aufbau und Anwendung in der Informatik (1981)
Doctoral advisorCurt Christian[4]
Doctoral students
Websitecs.ox.ac.uk/people/georg.gottlob

Education edit

Gottlob obtained his undergraduate and PhD degrees in computer science at Vienna University of Technology in 1981.

Career and research edit

Gottlob is currently a chaired professor at the University of Calabria in Italy where he joined in 2023 due to the "Fantastic Équipe and great potential"[14] that he belivies there is in this University.[15] He was a professor of computing science at the Oxford University Department of Computer Science, where he helped establish the information systems research group. He is also a Fellow of St John's College, Oxford. Previously, he was a professor of computer science at Vienna University of Technology, where he still maintains an adjunct position. He was elected a member of the Royal Society in May 2010.[2] He is a founding member of the Oxford-Man Institute.

He has published more than 250 scientific articles in the areas of computational logic, database theory, and artificial intelligence, and one textbook on logic programming and databases.[16]

In the area of artificial intelligence, he is best known for his influential early work on the complexity of nonmonotonic logics[17][18] and on (generalised) hypertree decompositions,[19][20] a framework for obtaining tractable structural classes of constraint satisfaction problems, and a generalisation of the notion of tree decomposition from graph theory. This work has also had substantial impact in database theory, since it is known that the problem of evaluating conjunctive queries on relational databases is equivalent to the constraint satisfaction problem.[21] His recent work on XML query languages (notably XPath) has helped create the complexity-theoretical foundations of this area.[22][23][24]

Awards and honours edit

Gottlob has received numerous awards and honours including election to the Royal Society in 2010. His nomination for the Royal Society reads:

Georg Gottlob has made fundamental contributions to both artificial intelligence and to database systems. His research has centred on the algorithmic and logical aspects of knowledge representation, database queries, and recently for web data processing. His work has resulted in the invention of several efficient algorithms for constraint satisfaction, web data extraction and database query processing, some of which are now in widespread use. He has developed a common core to the underlying principles of artificial intelligence and databases. In his work on clarifying the intrinsic complexity of problems in these areas, Gottlob has solved open problems in computational logic, non-monotonic reasoning and database theory.[25]

Gottlob has also been designated as an ECCAI fellow [1] in 2002, and received honorary doctorates from the University of Klagenfurt (2016) and the University of Vienna (2020).

References edit

  1. ^ "ACM Fellows". Association for Computing Machinery. 2009. Retrieved 24 May 2010.
  2. ^ a b "New Royal Society Fellows for 2010". Oxford University. 21 May 2010. Archived from the original on 27 May 2010. Retrieved 24 May 2010.
  3. ^ a b Georg Gottlob publications indexed by Google Scholar
  4. ^ a b Georg Gottlob at the Mathematics Genealogy Project
  5. ^ "GOTTLOB, Prof. Georg". Who's Who 2014, A & C Black, an imprint of Bloomsbury Publishing plc, 2014; online edn, Oxford University Press.(subscription required)
  6. ^ Georg Gottlob author profile page at the ACM Digital Library
  7. ^ Winslett, M. (2007). "Georg Gottlob speaks out". ACM SIGMOD Record. 36 (2): 27–33. doi:10.1145/1328854.1328860. S2CID 20605617. Archived from the original (PDF) on 11 June 2011.
  8. ^ Georg Gottlob's publications indexed by the Scopus bibliographic database. (subscription required)
  9. ^ Leone, N.; Pfeifer, G.; Faber, W.; Eiter, T.; Gottlob, G.; Perri, S.; Scarcello, F. (2006). "The DLV system for knowledge representation and reasoning". ACM Transactions on Computational Logic. 7 (3): 499. arXiv:cs/0211004. doi:10.1145/1149114.1149117. S2CID 1189466.
  10. ^ Dantsin, E.; Eiter, T.; Gottlob, G.; Voronkov, A. (2001). "Complexity and expressive power of logic programming". ACM Computing Surveys. 33 (3): 374. CiteSeerX 10.1.1.28.4997. doi:10.1145/502807.502810. S2CID 518049.
  11. ^ Georg Gottlob at DBLP Bibliography Server  
  12. ^ Eiter, T.; Gottlob, G.; Mannila, H. (1997). "Disjunctive datalog". ACM Transactions on Database Systems. 22 (3): 364. doi:10.1145/261124.261126. S2CID 8755376.
  13. ^ Eiter, T.; Gottlob, G. (1995). "The complexity of logic-based abduction". Journal of the ACM. 42: 3–42. doi:10.1145/200836.200838. S2CID 14167261.
  14. ^ "L'esordio di Georg Gottlob all'Unical: "Équipe fantastica e grandi potenzialità"". Corriere della Calabria (in Italian). 15 September 2023. Retrieved 20 September 2023.
  15. ^ "Da Oxford alla Calabria: il re dell'AI sceglie l'Italia". La Voce di New York. 18 September 2023. Retrieved 20 September 2023.
  16. ^ Stefano Ceri, Georg Gottlob, and Letizia Tanca: Logic programming and databases. Springer-Verlag, 1990. ISBN 9783642839542
  17. ^ Gottlob, G. (1992). "Complexity Results for Nonmonotonic Logics". Journal of Logic and Computation. 2 (3): 397–425. doi:10.1093/logcom/2.3.397.
  18. ^ Eiter, T.; Gottlob, G. (1992). "On the complexity of propositional knowledge base revision, updates, and counterfactuals". Proceedings of the eleventh ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems - PODS '92. p. 261. doi:10.1145/137097.137886. ISBN 978-0897915199. S2CID 674242.
  19. ^ Eiter, T.; Gottlob, G. (1995). "Identifying the Minimal Transversals of a Hypergraph and Related Problems". SIAM Journal on Computing. 24 (6): 1278. CiteSeerX 10.1.1.37.883. doi:10.1137/S0097539793250299.
  20. ^ Gottlob, G.; Leone, N.; Scarcello, F. (2002). "Hypertree Decompositions and Tractable Queries". Journal of Computer and System Sciences. 64 (3): 579. arXiv:cs/9812022. doi:10.1006/jcss.2001.1809. S2CID 121575202.
  21. ^ Kolaitis, Phokion G.; Vardi, Moshe Y. (2000). "Conjunctive-Query Containment and Constraint Satisfaction". Journal of Computer and System Sciences. 61 (2): 302–332. doi:10.1006/jcss.2000.1713.
  22. ^ Furche, T.; Gottlob, G.; Grasso, G.; Schallhart, C.; Sellers, A. (2012). "OXPath: A language for scalable data extraction, automation, and crawling on the deep web". The VLDB Journal. 22: 47–72. doi:10.1007/s00778-012-0286-6. S2CID 14542107.
  23. ^ Gottlob, G.; Koch, C.; Pichler, R. (2005). "Efficient algorithms for processing XPath queries". ACM Transactions on Database Systems. 30 (2): 444. CiteSeerX 10.1.1.18.9591. doi:10.1145/1071610.1071614. S2CID 904373.
  24. ^ Gottlob, G.; Koch, C.; Pichler, R.; Segoufin, L. (2005). "The complexity of XPath query evaluation and XML typing". Journal of the ACM. 52 (2): 284. CiteSeerX 10.1.1.598.1938. doi:10.1145/1059513.1059520. S2CID 6253858.
  25. ^ "EC/2010/17: Gottlob, Georg. Library and Archive Catalogue". London: The Royal Society. Archived from the original on 10 July 2019.

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