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Yannis Ioannidis
Γιάννης Ιωαννίδης
File:IoannidisYannis.jpg
Born (1959-09-18) September 18, 1959 (age 65)
Istanbul, Turkey
CitizenshipGreece, USA
EducationDiploma: Electrical and Computer Engineering, National Technical University of Athens (1982)
M.Sc.: Applied Mathematics (Computer Science), Harvard University (1983)
PhD: Computer Science, University of California-Berkeley, USA (1986)
Alma materNational Technical University of Athens, Athens, Greece
Known forDatabase and Information Systems, Data Science, Human-Computer Interaction
AwardsACM SIGMOD Contributions Award (2017)
"Xanthopoulos-Pneumatikos" Award for "Outstanding Academic Teaching", Foundation for Research & Technology – Hellas, FORTH (2006)
"10-Year Best Paper Award", 29th International Conference on Very Large Databases(VLDB), 2003
"Chancellor's Distinguished Teaching" Award, University of Wisconsin, Madison, 1996
"Presidential Young Investigator" Award (PYI), National Science Foundation, 1991
Scientific career
FieldsDatabase and Information Systems, Data Science, Recommender Systems and Personalization, Data Infrastructure and Information Infrastructure, Human-Computer Interaction, Applications
InstitutionsNational and Kapodistrian University of Athens, Department of Informatics and Telecommunications, "Athena" Research and Innovation Center
ThesisProcessing Recursion in Database Systems (1986)
Doctoral advisorEugene Wong
Doctoral students
  • Renee J. Miller
  • Minos Garofalakis
  • Neoklis (Alkis) Polyzotis
  • Georgia Koutrika
Websitewww.madgik.di.uoa.gr/en/people/faculty/yioannidis
Notes
Member of Strategic Advisory Group (SAB) on the Destination Earth initiative, ACM Digital Libraries Board, European Strategy Forum on Research Infrastructures (ESFRI) Executive Board, EC Program Committee for Research Infrastructures, ACM SIG Governing Board Executive Committee

Yannis Ioannidis

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Yannis Ioannidis (Also: Yannis E. Ioannidis, Greek: Γιάννης Ιωαννίδης) is a Greek computer scientist specializing in database systems. He is currently Professor at the Department of Informatics and Telecommunications of the National and Kapodistrian University of Athens as well as an Associated Faculty at the “Athena” Research and Innovation Center, where he also served as the President and General Director for 10 years (2011-2021). His research interests include Database and Information Systems, Data Science, Data and Text Analytics, Scalable Data Processing, Data Infrastructures and Digital Repositories, and Recommender Systems and Personalization, topics on which he has published over 160 articles in leading journals and conferences and also holds three patents. His work is often inspired by and applied to data management and analysis problems that arise in industrial environments or in the context of other scientific fields (Life Sciences, Physical Sciences, Biodiversity, Cultural Heritage).

Biographical information

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Yannis Ioannidis was born in Istanbul, Turkey. He moved to Athens, Greece, with his parents and sister in 1964. He received his Diploma in Electrical Engineering from the National Technical University of Athens, Greece, in 1982, his MSc in Applied Mathematics from Harvard University in 1983, and his Ph.D. degree in Computer Science from the University of California-Berkeley in 1986. Immediately after that he joined the faculty of the Computer Sciences Department of the University of Wisconsin, Madison, where he became a Professor before finally leaving in 1999. His research interests include database and information systems, personalization and social networks, data infrastructures and digital libraries & repositories, scientific systems and workflows, eHealth systems, and human-computer interaction, topics on which he has published over one hundred articles in leading journals and conferences. He also holds three patents.

Ioannidis is an ACM and IEEE Fellow (2004 and 2010, respectively) and a member of Academia Europaea. He is also a recipient of the VLDB “10-Year Best Paper Award” (2003), the “Presidential Young Investigator Award” – PYI (1991), and of several awards for teaching excellence, including the nation-wide “Xanthopoulos-Pneumatikos Award for Outstanding Academic Teaching” in Greece (2006) and the “Chancellor’s Award for Excellence in Teaching” at the University of Wisconsin, Madison (1996). He has also been a keynote or invited speaker in several conferences (NLDB’08, ICDE’07, ADBIS’06, CIKM’05, ICDT’03, WAIM’01, SSDBM’00, PDP’00, ECDL’98).

Ioannidis has served as the ACM SIGMOD Chair (July 2009-June 2013), following a 4-year term as Vice-Chair, and is or has been a member of several other executive bodies of professional organizations (VLDB Endowment, IEEE TCDE Executive Committee, EDBT Endowment) and Scientific Advisory Boards (Max Planck Institute for Informatics, Greek National Science & Technology Council, Information Technology advisor to the Greek Minister of Health).

He has been the coordinator and legal entity head of OpenAIRE, which implements the European policies on open access to research publications and data, a key partner in the Human Brain Project flagship initiative, and a coordinator or partner in tens of other European and national research and innovation projects. Ηe has also led or is currently leading the creation of new international or spin-off companies. He is a recipient of the ACM SIGMOD Contributions Award and several other research and teaching awards. He has served as the Secretary / Treasurer of the Association for Computing Machinery (ACM) and is a member of the ACM Europe Council. He is a vice chair of the European Strategy Forum on Research Infrastructures (ESFRI), the Greek delegate to ESFRI and a member of its Executive Board, and the ESFRI representative to the e-Infrastructure Reflection Group (e-IRG). Finally, he is on the strategic management board of the Greek hub of the UN Sustainable Development Solutions Network (SDSN).

Personal life

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Ioannidis resides in Athens, Greece with his wife and has 3 children.

Selected Awards and Distinctions

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Selected Publications

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  • E. Ulrich, H. Akutsu, J. Doreleijers, Y. Harano, Y. Ioannidis, J. Lin, M. Livny, S. Mading, D. Maziuk, Z. Miller, E. Nakatani, C. Schulte, D. Tolmie, R. K. Wenger, H. Yao, J. Markley, “BioMagResBank”, Nucleic Acids Research, Vol. 36 (Database Issue), November 2007, pp. 402-408. https://doi.org/10.1093/nar/gkm957
  • V. Poosala, Y. Ioannidis, P. Haas, and E. Shekita, "Improved Histograms for Selectivity Estimation of Range Predicates", Proc. 1996 Int’l ACM SIGMOD Conference, Montreal, Canada, May 1996, pp. 294-305. https://doi.org/10.1145/235968.233342
  • V. Poosala and Y. Ioannidis, "Selectivity Estimation without the Attribute Value Independence Assumption", Proc. 23rd Int’l VLDB Conference, Athens, Greece, August 1997, pp. 486-495. https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.105.8126&rep=rep1&type=pdf
  • Y. Ioannidis, "The History of Histograms (abridged)", Proc. 29th Int’l VLDB Conference, Berlin, Germany, September 2003, pp. 19-30.  (Invited paper in conjunction with the "10-Year Best Paper" Award.) https://doi.org/10.1016/B978-012722442-8/50011-2
  • C.-Y. Chan and Y. Ioannidis, "Bitmap Index Design and Evaluation", Proc. 1998 Int’l ACM SIGMOD Conference, Seattle, WA, June 1998, pp. 355-366. https://doi.org/10.1145/276304.276336
  • Y. Ioannidis and Y. Kang, "Randomized Algorithms for Optimizing Large Join Queries", Proc. 1990 Int’l ACM SIGMOD Conference, Atlantic City, NJ, May 1990, pp. 312-321. https://doi.org/10.1145/93605.98740
  • Y. Ioannidis, "Query Optimization", ACM Computing Surveys, Vol. 28, No. 1, March 1996, pp. 121-123.  (Symposium issue on the 50th Anniversary of ACM - invited based on the chapter in the Handbook for Computer Science.) https://doi.org/10.1145/234313.234367
  • Y. Ioannidis and V. Poosala, "Balancing Histogram Optimality and Practicality for Query Result Size Estimation", Proc. 1995 Int’l ACM SIGMOD Conference, San Jose, CA, May 1995, pp. 233-244. https://doi.org/10.1145/568271.223841
  • Y. Ioannidis and S. Christodoulakis, "On the Propagation of Errors in the Size of Join Results", Proc. 1991 Int’l ACM SIGMOD Conference, Denver, CO, May 1991, pp. 268-277. https://doi.org/10.1145/115790.115835
  • D. Barbara et al., "The New Jersey Data Reduction Report", IEEE Data Engineering, Vol. 20, No. 4, December 1997, pp. 3-46. http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.47.7751
  • Y. Ioannidis and E. Wong, "Query Optimization by Simulated Annealing", Proc. 1987 Int’l ACM SIGMOD Conference, San Francisco, CA, May 1987, pp. 9-22. https://doi.org/10.1145/38713.38722
  • Y. Ioannidis and V. Poosala, "Histogram-Based Approximation of Set-Valued Query-Answers", Proc. 25th Int’l VLDB Conference, Edinburgh, Scotland, September 1999, pp. 174-185. http://www.vldb.org/conf/1999/P15.pdf
  • R. Miller, Y. Ioannidis, and R. Ramakrishnan, "The Use of Information Capacity in Schema Integration and Translation", Proc. 19th Int’l VLDB Conference, Dublin, Ireland, August 1993, pp. 120-133. http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.103.3947&rep=rep1&type=pdf
  • B. Meyers et al., "Strategic Directions in Human-Computer Interaction", ACM Computing Surveys, Vol. 28, No. 4, December 1996, pp. 794-809. (Special ACM 50th anniversary issue based on the Workshop on Strategic Directions in Computing Research.) https://doi.org/10.1145/242223.246855
  • C.-Y. Chan and Y. Ioannidis, "An Efficient Bitmap Encoding Scheme for Selection Queries", Proc. 1999 Int’l ACM SIGMOD Conference, Philadelphia, PA, June 1999, pp. 215-226. https://doi.org/10.1145/304182.304201
  • Y. Ioannidis and Y. Kang, "Left-Deep vs. Bushy Trees: An Analysis of Strategy Spaces and its Implications for Query Optimization", Proc. 1991 Int’l ACM SIGMOD Conference, Denver, CO, May 1991, pp. 168-177. https://doi.org/10.1145/115790.115813
  • S. Abiteboul, R. Agrawal, P. Bernstein, M. Carey, S. Ceri, W. B. Croft, D. DeWitt, M. Franklin, H. Garcia-Molina, D. Gawlick, J. Gray, L. Haas, A. Halevy, J. Hellerstein, Y. Ioannidis, M. Kersten, M. Pazzani, M. Lesk, D. Maier, J. Naughton, H.-J. Schek, T. Sellis, A. Silberschatz, M. Stonebraker, R. Snodgrass, J. Ullman, G. Weikum, J. Widom, S. Zdonik, “The Lowell Database Research Self-Assessment, Communications of the ACM, Vol. 48, No. 5, pp. 111-118, May 2005. https://doi.org/10.1145/1060710.1060718
  • Y. Ioannidis, R. Ng, K. Shim, and T. Sellis, "Parametric Query Optimization", VLDB Journal, Vol. 6, No. 2, May 1997, pp. 132-151.  (Expanded version of the VLDB '92 paper; invited as one of the best papers of the conference.) https://doi.org/10.1007/s007780050037
  • R. Agrawal, A. Ailamaki, P. Bernstein, E. Brewer, M. Carey, S. Chaudhuri, A. Doan, D. Florescu, M. Franklin, H. Garcia-Molina, J. Gehrke, L. Gruenwald, L. Haas, A. Halevy, J. Hellerstein, Y. Ioannidis, H. Korth, D. Kossmann, S. Madden, R. Magoulas, B.-C. Ooi, T. O'Reilly, R. Ramakrishnan, S. Sarawagi, M. Stonebraker, A. Szalay, G. Weikum, “The Claremont report on database research”, Communications of the ACM, Vol. 52, No. 6, pp. 56-65, June 2009. Also in ACM SIGMOD Record, Vo. 37, No. 3, September 2008, pp. 9-19. https://doi.org/10.1145/1462571.1462573
  • G. Koutrika and Y. Ioannidis, "Personalization of Queries in Database Systems", Proc. 20th Int’l Conference on Data Engineering (ICDE), Boston, MA, March 2004, pp. 597-608. https://doi.org/10.1109/ICDE.2004.1320030
  • K. Bennett, M. Ferris, and Y. Ioannidis, "A Genetic Algorithm for Database Query Optimization", Proc. 4th Int’l Conference on Genetic Algorithms, San Diego, CA, July 1991, pp. 400-407. https://minds.wisconsin.edu/bitstream/handle/1793/59438/TR1004.pdf?sequence=1
  • O. Tsatalos, M. Solomon, and Y. Ioannidis, "The GMAP: A Versatile Tool for Physical Data Independence", VLDB Journal, Vol. 5, No. 2, April 1996, pp. 101-118.  (Expanded version of the VLDB '94 paper; invited as one of the best papers of the conference.) https://doi.org/10.1007/s007780050018
  • R. Miller, Y. Ioannidis, and R. Ramakrishnan, "Schema Equivalence in Heterogeneous Systems: Bridging Theory and Practice", Information Systems, Vol. 19, No. 1, January 1994, pp. 3-31. (Expanded version of the EDBT '94 paper; it appears in a special issue containing the best papers of the conference.) https://doi.org/10.1016/0306-4379(94)90024-8
  • Candela L, Castelli D, Ferro N, Ioannidis Y, Koutrika G, Meghini C et al. The DELOS Digital Library Reference Model. Foundations for Digital Libraries. PISA, 2007. p. 217. https://pureportal.strath.ac.uk/en/publications/the-delos-digital-library-reference-model-foundations-for-digital
  • N. Polyzotis, M. Garofalakis, and Y. Ioannidis, "Approximate XML Query Answers", Proc. 2004 Int’l ACM SIGMOD Conference, Paris, France, June 2004, pp. 263-274. https://doi.org/10.1145/1007568.1007599
  • H. Kllapi, E. Sitaridi, M. Tsangaris, Y. Ioannidis, “Schedule Optimization for Data Processing Flows on the Cloud”, Proc. 2011 Int’l ACM SIGMOD Conference, Athens, Greece, June 2011, pp. 289-300. https://doi.org/10.1145/1989323.1989355
  • Y. Ioannidis and R. Ramakrishnan, "Efficient Transitive Closure Algorithms", Proc. 14th Int’l VLDB Conference, Long Beach, CA, August 1988, pp. 382-394. https://minds.wisconsin.edu/bitstream/handle/1793/58966/TR765.pdf?sequence=1
  • Y. Ioannidis, "Universality of Serial Histograms", Proc. 19th Int’l VLDB Conference, Dublin, Ireland, August 1993, pp. 256-267. (Received "10-Year Best Paper" Award in VLDB 2003.) https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.105.8974&rep=rep1&type=pdf
  • G. Koutrika and Y. Ioannidis, "Personalized Queries under a Generalized Preference Model", Proc. 21st Int’l Conference on Data Engineering (ICDE), Tokyo, Japan, March 2005, pp. 841-852. https://doi.org/10.1109/ICDE.2005.106
  • L. Candela, D. Castelli, P.Pagano, C.Thanos, Y. Ioannidis, G. Koutrika, S. Ross, H.-J. Schek, H. Schuldt, “Setting the Foundations of Digital Libraries: The DELOS Manifesto”, D-Lib Magazine (electronic), Vol. 13, No. 3/4, March/April 2007. https://www.researchgate.net/profile/Leonardo-Candela/publication/225035738_Setting_the_Foundations_of_Digital_Libraries_The_DELOS_Manifesto/links/09e415076d4afe1f25000000/Setting-the-Foundations-of-Digital-Libraries-The-DELOS-Manifesto.pdf
  • Y. Ioannidis and S. Christodoulakis, "Optimal Histograms for Limiting Worst-Case Error Propagation in the Size of Join Results", ACM Transactions on Database Systems (TODS), Vol. 18, No. 4, December 1993, pp. 709-748. https://doi.org/10.1145/169725.169708
  • Y. Ioannidis and R. Ramakrishnan, "Containment of Conjunctive Queries: Beyond Relations as Sets", ACM Transactions on Database Systems (TODS), Vol. 20, No. 3, September 1995, pp. 288-324. https://doi.org/10.1145/211414.211419
  • Y. Ioannidis, "On the Computation of the Transitive Closure of Relational Operators", Proc. 12th Int’l VLDB Conference, Kyoto, Japan, August 1986, pp. 403-411. http://www.vldb.org/conf/1986/P403.PDF
  • Y. E. Ioannidis, M. Livny, A. Ailamaki, A. Narayanan, and A. Therber, "ZOO: A Desktop Experiment Management Environment", Proc. 1997 Int’l ACM SIGMOD Conference, Tucson, AZ, May 1997, pp. 580-583. https://doi.org/10.1145/253262.253415
  • A. Ailamaki, Y. Ioannidis, and M. Livny, "Scientific Workflow Management by Database Management", Proc. 10th Int’l Conference on Scientific and Statistical Data Management (SSDBM), Capri, Italy, July 1998, pp. 190-199. https://doi.org/10.1109/SSDM.1998.688123
  • D. Abadi et al: “The Beckman report on database research”. Communications of the ACM, Vol. 59, No. 2, February 2016, pp 92-99. https://doi.org/10.1145/2845915
  • C.-Y. Chan and Y. Ioannidis, "Hierarchical  Prefix Cubes for Range-Sum Queries", Proc. 25th Int’l VLDB Conference, Edinburgh, Scotland, September 1999, pp. 675-686.
  • Y. Ioannidis, R. Ramakrishnan, and L. Winger, "Transitive Closure Algorithms Based on Graph Traversal", ACM Transactions on Database Systems (TODS), Vol. 18, No. 3, September 1993, pp. 512-576. https://doi.org/10.1145/155271.155273
  • Y. Ioannidis, "A Time Bound on the Materialization of Some Recursively Defined Views", Algorithmica, Vol 1, No 4, Oct. 1986, pp. 361-385. (Expanded version of the VLDB '85 paper; it appears in a special issue containing the best papers of the conference.) https://doi.org/10.1007/BF01840452
  • M. Garofalakis, Y. Ioannidis, B. Özden, A. Silberschatz, "Admission Control System and Method for Media-On-Demand Servers", U.S. Patent Number 6.330.609, December 11, 2001. https://patents.google.com/patent/US6330609B1/en
  • M. Garofalakis and Y. Ioannidis, "Parallel Query Scheduling and Optimization with Time- and Space-Shared Resources", Proc. 23rd Int’l VLDB Conference, Athens, Greece, August 1997, pp. 296-305. http://users.softnet.tuc.gr/~minos/Papers/vldb97par-cam.pdf
  • R. Kung, E. Hanson, Y. Ioannidis, T. Sellis, L. Shapiro, and M. Stonebraker, "Heuristic Search in Data Base Systems", Proc. 1st Int’l Workshop on Expert Database Systems, Vol. I, Kiawah Island, SC, October 1984, pp. 96-107. https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.70.7933&rep=rep1&type=pdf
  • V. Poosala and V. Ganti and Y. Ioannidis, "Approximate Query Answering Using Histograms", IEEE Data Engineering Bulletin, Vol. 22, No. 4, December 1999, pp. 5-14. http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.463.1189&rep=rep1&type=pdf
  • M. Garofalakis and Y. Ioannidis, "Multi-Dimensional Resource Scheduling for Parallel Queries", Proc. 1996 Int’l ACM SIGMOD Conference, Montreal, Canada, May 1996, pp. 365-376. https://doi.org/10.1145/235968.233352
  • Evg. Kharlamov, et al: “Ontology Based Data Access in Statoil”. J. Web Semant., Vol. 44,  pp. 3-36 , May 2017 https://doi.org/10.1016/j.websem.2017.05.005
  • A. Simitsis, G. Koutrika, and Y. Ioannidis, “Précis: from Unstructured Keywords as Queries to Structured Databases as Answers”, VLDB Journal, Vol. 17, No. 4, July 2008, pp. 729-764. https://doi.org/10.1007/s00778-007-0075-9
  • V. Poosala and Y. Ioannidis, "Estimation of Query-Result Distribution and its Application in Parallel-Join Load Balancing", Proc. 22nd Int’l VLDB Conference, Bombay, India, September 1996, pp. 448-459. http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.106.7380&rep=rep1&type=pdf
  • K. Morfonios, S. Konakas, Y. Ioannidis, and N. Kotsis, “ROLAP implementations of the data cube”, ACM Computing Surveys, Vol. 39, No. 4,  October 2007, pp. 12:1-12:53. https://doi.org/10.1145/1287620.1287623
  • Evg. Kharlamov, et al: “Semantic access to streaming and static data at Siemens”. J. Web Semant., Vol. 44, pp. 54-74 , May 2017 https://doi.org/10.1016/j.websem.2017.02.001
  • N. Polyzotis, M. Garofalakis, and Y. Ioannidis, "Selectivity Estimation for XML Twigs", Proc. 20th Int’l Conference on Data Engineering (ICDE), Boston, MA, March 2004, pp. 264-275. https://doi.org/10.1109/ICDE.2004.1320003

References

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