- Position: Professor, Laboratory Director
- Tel: +302821037211
- E-mail: mgarofalakis(at)tuc.gr
- Personal page: http://www.softnet.tuc.gr/~minos/
- Office: Λ, 2nd Floor, 145Α-36.1
Minos Garofalakis
Speciality: Database Systems (Relational, XML), Data Streams, Approximate Query Processing, Probabilistic Databases, Network-Data Management, Data Mining
Short CV: Minos Garofalakis is he Director of the Information Management Systems Institute (IMSI) at the "Athena" Research and Innovation Centre in Athens, Greece, and a Professor of Computer Science at the School of Electrical and Computer Engineering of the Technical University of Crete (TUC), where he also directs the Software Technology and Network Applications Laboratory (SoftNet). Previously, he was a Principal Research Scientist with the Community Systems group at Yahoo! Research in Santa Clara, California (2007-2008), and an Adjunct Associate Professor of Computer Science at the University of California, Berkeley (2006-2008). He also held positions as a Senior Researcher at Intel Research Berkeley (2005-2007), and a Member of Technical Staff at Bell Laboratories (1998-2005). He obtained his PhD in Computer Science from the University of Wisconsin-Madison in 1998.
Prof. Garofalakis' research interests are in the broad areas of Big Data analytics and large-scale machine learning, including database systems, centralized/distributed data streams, data synopses and approximate query processing, and secure/private data analytics. He has published over 150 scientific papers in top-tier international conferences and journals in these areas. He received the 2009 IEEE ICDE Best Paper Award, and 8 of his SIGMOD/PODS/VLDB papers have been invited to journal special issues (ranking in the top 3-5 papers of their respective conferences). He has delivered several invited keynote talks and conference tutorials on approximate query processing, data-stream processing, and distributed data streams, and has given invited tutorials on data streaming at the 2008 VLDB School in Cairo, Egypt, the 2015 INIT/AERFAI Summer School on Machine Learning, the 2015 and 2017 International Winter School on Big Data, and the 1st ACM Europe Summer School on Data Science and Big Data. His work has resulted in 36 US Patent filings (29 patents issued) for companies such as Lucent, Yahoo!, and AT&T. Google Scholar gives over 13.500 citations to Prof. Garofalakis' work, and an h-index value of 63. He is/has been the recipient of an FP7 Marie-Curie International Reintegration Fellowship (2010-2014), and a PI for LIFT (FP7-ICT-FET Open project, 2010-2013), LEADS (FP7-ICT-STREP project, 2012-2015), FERARI (FP7-ICT-STREP project, 2014-2017), QualiMaster (FP7-ICT-STREP project, 2014-2017), and The Human Brain Project (FET Open Flagship project, 2013-2016). Prof. Garofalakis is an ACM Fellow (2018) "for contributions to data processing and analytics, particularly data streaming, approximation and uncertainty", an IEEE Fellow (2017) "for contributions to data streaming analytics", and a recipient of the TUC "Excellence in Research" Award (2015), the Bell Labs President's Gold Award (2004), and the Bell Labs Teamwork Award (2003).
Education:
- PhD (Computer Science), University of Wisconsin-Madison, USA, 1998
- MSc (Computer Science), University of Wisconsin-Madison, USA, 1994
- BSc (Computer Engineering and Informatics), University of Patras, Greece, 1992
Research Areas: Database Systems, Data Streams, Data Synopses and Approximate Query Processing, Probabilistic and Uncertain Databases, Network-Data Management, XML/Text Databases, Data Mining
Sector: Computer Science Division
Laboratory: Software Technology and Network Applications Laboratory
Courses: Algorithms and Complexity, Database Systems II
Publications (click to toggle)
Publications of the member that have been associated with the laboratory. For a full list of publications, please refer to the person's personal page
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M. Garofalakis and Y. Ioannidis, "Scheduling issues in multimedia query optimization", ACM Computing Surveys, vol. 27, no. 4, pp. 590-592, Dec. 1995.
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M. Garofalakis and Y. Ioannidis, "Multi-dimensional resource scheduling for parallel queries", in ACM SIGMOD International Conference on Management of Data, June 1996, pp. 365-376.
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M. Garofalakis and Y. Ioannidis, "Parallel query scheduling and optimization with time- and space-shared resources", in 23rd VLDB Conference, August 1997, pp. 296-305.
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M. Garofalakis, B. Ozden and A. Silberschatz, "Resource scheduling in enhanced pay-per-view continuous media databases", in 23rd VLDB Conference, August 1997, pp. 516-525.
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M. Garofalakis, Y. Ioannidis, B. Ozden and A. Silberschatz, "Throughput-competitive admission control for continuous media databases", in Conference SIGMOD/PODS98 Special Interest Group on Management of Data (SIGMOD)/Principles of Data Base Systems (PODS), June 1998, pp. 79-88.
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M. N. Garofalakis, B. Özden and A. Silberschatz, "On periodic resource scheduling for continuous-media databases", VLDB J., vol. 7, no. 4, pp. 206-225, Dec. 1998. doi:10.1007/s007780050065
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M. N. Garofalakis, Y. E. Ioannidis and Banu Ozden, "Resource scheduling for composite multimedia objects", in 24th VLDB Conference, August 1998, pp. 74-85.
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M.N. Garofalakis, R. Rastogi and K. Shim, "SPIRIT: Sequential pattern mining with regular expression constraints", in 25th VLDB Conference, September 1999, pp. 223-234.
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M. Garofalakis and R. Rastogi, "Scalable data mining with model constraints", SIGKDD Explorat., vol. 2, no. 2, pp. 39-48, Dec. 2000. doi:10.1145/380995.381012
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M. Garofalakis, D. Hyun, R. Rastogi and K. Shim, "Efficient algorithms for constructing decision trees with constraints", in Sixth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, August 2000, pp. 335-339.
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M. Garofalakis, A. Gionis, R. Rastogi, S. Seshadri and K. Shim, "XTRACT: a system for extracting document type descriptors from XML documents", in SIGMOD '00 Proceedings of the 2000 ACM SIGMOD international conference on Management of data, June 2000, pp. 165-176. doi: 10.1145/342009.335409
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K. Chakrabarti, M. Garofalakis, R. Rastogi and K. Shim, "Approximate query processing using wavelets", VLDB J., vol. 10, no. 2-3, pp. 199-223, Sep. 2001. doi:10.1007/s007780100049
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A. Deshpande, M. Garofalakis and M. Jordan, "Efficient stepwise selection in decomposable models", in Seventeenth Conference on Uncertainty in Artificial Intelligence, August 2001.
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Y. Breitbart, C-Y Chan, M. Garofalakis, R. Rastogi and A. Silberschatz, "Efficiently monitoring bandwidth and latency in IP networks", in Twentieth Annual Joint Conference of the IEEE Computer and Communications Societies, Apr. 2001, pp. 933-942. doi: 10.1109/INFCOM.2001.916285
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A. Deshpande, M. Garofalakis and R. Rastogi, "Independence is good: dependency-based histogram synopses for high-dimensional data", in ACM SIGMOD International Cconference on Management of Data, June 2001, pp. 199-210. doi: 10.1145/375663.375685
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S. Babu, M. Garofalakis and R. Rastogi, "SPARTAN: A model-based semantic compression system for massive data tables", in International Conference on Management of Data (SIGMOD 2001), May 2001, pp. 283-294.
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S. Babu, M. Garofalakis and R. Rastogi, "SPARTAN: using constrained models for guaranteed-error semantic compression", SIGKDD Explorat., vol. 4, no. 1, pp. 11-20, Jun. 2002. doi:10.1145/568574.568578
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M. Garofalakis, J. Gehrke and R. Rastogi, "Querying and mining data streams: you only get one look a tutorial", in ACM SIGMOD International Conference on Management of Data, 2002, pp. 635-635. doi: 10.1145/564691.564794
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N. Polyzotis and M. Garofalakis, "Statistical synopses for graph-structured XML databases", in ACM SIGMOD International Conference on Management of Data, June 2002, pp. 358-369.
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C-Y Chan, W. Fan, P. Felber, M. Garofalakis and R. Rastogi, "Tree pattern aggregation for scalable XML data dissemination", in 28th International Conference on Very Large Data Bases, August 2002, pp. 826-837.
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M. Garofalakis, Y. Ioannidis, B. Özden and A. Silberschatz, "Competitive on-line scheduling of continuous-media streams", J. Comput. Syst. Sci., vo. 64, no. 2, pp. 219-248, Mar. 2002. doi:10.1006/jcss.2001.1799
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M. Garofalakis, R. Rastogi and K. Shim, "Mining sequential patterns with regular expression constraints", IEEE Trans. Knowl. Data Eng., vol. 14, no. 3, pp. 530-552, May/Jun. 2002. doi:10.1109/TKDE.2002.1000341
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C.-Y. Chan, P. Felber, M. Garofalakis and R. Rastogi, "Efficient filtering of XML documents with XPath expressions", VLDB J., vol. 11, no. 4, pp. 354-379, Dec. 2002. doi:10.1007/s00778-002-0077-6
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N. Polyzotis and M. Garofalakis, "Structure and value synopses for XML data graphs", in 28th International Conference on Very Large Data Bases, August 2002, pp. 466-477.
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M. Garofalakis and P. Gibbons, "Wavelet synopses with error guarantees", in ACM SIGMOD International Conference on Management of Data, June 2002, pp. 476-487.
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R. Rastogi, Y. Breitbart, M. Garofalakis and A. Kumar, "Optimal configuration of OSPF aggregates", IEEE/ACM Trans. Network., vol. 11, no. 2, pp. 181-194, Apr. 2003. doi:10.1109/TNET.2003.810317
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M. Garofalakis, D. Hyun, R. Rastogi and K. Shim, "Building decision trees with constraints", Data Min. Knowl. Disc., vol 7, no. 2, pp. 187-214, Apr. 2003. doi:10.1023/A:1022445500761
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M. Garofalakis and A. Kumar, "Correlating XML data streams using tree-edit distance embeddings", in 22nd ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems, June 2003, pp. 143-154.
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M. N. Garofalakis, "Analyzing massive data streams: past, present, and future", in 8th ACM SIGMOD Workshop on Research Issues in Data Mining and Knowledge Discovery, 13 June 2003. doi: 10.1145/882082.882084
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S. Ganguly, M. Garofalakis and R. Rastogi, "Processing set expressions over continuous update streams", in ACM SIGMOD International Conference on Management of Data, June 2003, pp. 265-276.
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C.-Y. Chan, M. Garofalakis and R. Rastogi, "RE-tree: an efficient index structure for regular expressions", VLDB J., vol. 12, no. 2, pp. 102-119, Ayg. 2003. doi:10.1007/s00778-003-0094-0
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Y. Bejerano, Y. Breitbart, M. Garofalakis and R. Rastogi, "Physical topology discovery for large multi-subnet networks", in Twenty-Second Annual Joint Conference of the IEEE Computer and Communications, 30 March-3 April 2003, pp. 342-352. doi: 10.1109/INFCOM.2003.1208686
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M. Garofalakis, A. Gionis, R. Rastogi, S. Seshadri and K. Shim, "XTRACT: learning document type descriptors from XML document collections", Data Min. Knowl. Disc., vol. 7, no. 1, pp. 23-56, Jan. 2002. doi:10.1023/A:1021560618289
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Y. Breitbart, M. Garofalakis, B. Jai, C. Martin, R. Rastogi and A. Silberschatz, "Topology discovery in heterogeneous IP networks: the NetInventory system", IEEE/ACM Trans. Network., vol. 12, no. 3, pp. 401-414, Jun. 2004. doi:10.1109/TNET.2004.828963
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S. Ganguly, M. Garofalakis and R. Rastogi, "Tracking set-expression cardinalities over continuous update streams", VLDB J., vol. 13, no. 4, pp. 354-369, Dec. 2004. doi:10.1007/s00778-004-0135-3
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M. Garofalakis and P. B. Gibbons, "Probabilistic wavelet synopses", ACM Trans. Dat. Syst., vol. 29, no. 1, pp. 43-90, Mar. 2004. doi:10.1145/974750.974753
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A. Deligiannakis, M. Garofalakis and N. Roussopoulos, "A fast approximation scheme for probabilistic wavelet synopses," in 17th International Scientific and Statistical Database Management Conference, June 2005, pp. 243-252.
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G. Cormode and M. Garofalakis, "Sketching streams through the net: distributed approximate query tracking", in 31st International Conference on Very Large Data Bases, August 2005, pp. 13-24.
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M. Garofalakis and A. Kumar, "Wavelet synopses for general error metrics", ACM Trans. Dat. Syst., vol. 30, no. 4, pp. 888-928, Dec. 2005. doi:10.1145/1114244.1114246
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S. Ganguly, M. Garofalakis, A. Kumar and R. Rastogi, "Join-distinct aggregate estimation over update streams", in 24th ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems, June 2005.
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G. Cormode and M. Garofalakis, "Efficient strategies for continuous distributed tracking tasks", IEEE Data Engineering Bulletin, vol. 28, no. 1, pp. 33-39, March 2005.
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M. Garofalakis and A. Kumar, "XML stream processing using tree-edit distance embeddings", ACM Trans. Dat. Syst., vol. 30, no. 1, pp. 279-332, Mar. 2005. doi:10.1145/1061318.1061326
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G. Cormode, M. Garofalakis, S. Muthukrishnan and R. Rastogi, "Holistic aggregates in a networked world: distributed tracking of approximate quantiles", in ACM SIGMOD International Conference on Management of Data, June 2005, pp. 25-36.
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G. Cormode, M. Garofalakis and D. Sacharidis, "Fast approximate wavelet tracking on streams", in 10th International Conference on Advances in Database Technology, September 2006.
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L. Huang, X. Nguyen, M. Garofalakis, M. I. Jordan, A. Joseph and N. Taft, "In-network PCA and anomaly detection", in 20th Annual Conference on Neural Information Processing Systems, 2006.
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N. Polyzotis and M. Garofalakis, "XSKETCH synopses for XML data graphs", ACM Transactions on Database Systems, vol. 31, no. 3, pp. 1014-1063, Sept. 2006. doi: 10.1145/1166074.1166082
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N. Polyzotis and M. Garofalakis, "XCluster synopses for structured XML content", in 22nd International Conference on Data Engineering, 2006, doi: 10.1109/ICDE.2006.175
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S. R. Jeffery, M. Garofalakis and M. J. Franklin, "Adaptive cleaning for RFID data streams", in 32nd International Conference on Very Large Data Bases, 2006, pp 163-174.
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M. Garofalakis, K. P. Brown, M. J. Franklin, J. M. Hellerstein, D. Z. Wang, E. Michelakis, L. Tancau, E. Wu, S. R. Jeffery and R. Aipperspach, "Probabilistic data management for pervasive computing: the data furnace project", in IEEE Data Engineering Bulletin, vol. 29, no. 1, March 2006.
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M. Garofalakis, "Wavelet-based approximation techniques in database systems", IEEE Signal Process. Mag., vol. 23, no. 6, pp. 54-58, Nov. 2006. doi:10.1109/SP-M.2006.248713
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L. Huang, M. Garofalakis, A. Joseph and N. Taft, "Approximate decision making in large-scale distributed systems", in the Proceedings of MLSys'2007, December.
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R. Ennals, E. Brewer, M. Garofalakis, M. Shadle and P. Gandhi, "Intel Mash Maker: join the web", in ACM SIGMOD Record, vol. 36, no. 4, Dec. 2007, pp. 27-33. doi: 10.1145/1361348.1361355
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A. Deligiannakis, M. Garofalakis and N. Roussopoulos, "Extended wavelets for multiple measures," ACM Transactions on Database Systems (TODS) , vol. 32, no. 2, June 2007. doi: 10.1145/1242524.1242527
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R. Huebsch, M. Garofalakis, J. M. Hellerstein and I. Stoica, "Sharing aggregate computation for distributed queries", in ACM SIGMOD International Conference on Management of Data, 2007. doi: 10.1145/1247480.1247535
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M. Garofalakis, Yahoo! Research Community Systems Group, "Community Systems Research at Yahoo!", ACM SIGMOD Record, vol. 36, no. 3, pp. 47-54, Sept. 2007. doi: 10.1145/1324185.1324195
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G. Cormode and M. Garofalakis, "Sketching probabilistic data streams", in the Proceedings of the 2007 ACM SIGMOD International Conference on Management of Data, pp. 281-292. doi: 10.1145/1247480.1247513
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J. M. Hellerstein, T. Condie, M. Garofalakis, B. T. Loo, P. Maniatis, T. Roscoe and N. A. Taft, "Public health for the Internet (PHI) - Towards a new grand challenge for information management", in 3rd Biennial Conference on Innovative Data Systems Research, Jan. 2007.
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Y. Breitbart, M. Garofalakis, A. Gupta, A. Kumar and R. Rastogi, "On configuring BGP route reflectors", in 2nd Internationa Conference on Communication Systems Software and Middleware, 2007. doi: 10.1109/COMSWA.2007.382444
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L. Huang, X. Nguyen, M. Garofalakis, J. M. Hellerstein, M. I. Jordan, A. D. Joseph and N. Taft, "Communication-efficient online detection of network-wide anomalies", in 26th IEEE International Conference on Computer Communications, 2007, pp. 134-142. doi: 10.1109/INFCOM.2007.24
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M. Garofalakis, J. M. Hellerstein and P. Maniatis, "Proof sketches: verifiable in-network aggregation", in IEEE 23rd International Conference on Data Engineering, 2007, pp. 996-1005. doi: 10.1109/ICDE.2007.368958
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D. Wang, M. Garofalakis and K. Ramchandran, "Distributed sparse random projections for refinable approximation", in 6th International Symposium on Information Processing in Sensor Networks, 2007, pp. 331-339. doi: 10.1109/IPSN.2007.4379693
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S. Ganguly, M. Garofalakis, R. Rastogi and K. Sabnani, "Streaming algorithms for robust, real-time detection of DDoS attacks", in 27th International Conference on Distributed Computing Systems, 2007. doi: 10.1109/ICDCS.2007.142
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R. Chand, P. Felber and M. Garofalakis, "Tree-pattern similarity estimation for scalable content-based routing", in IEEE 23rd International Conference on Data Engineering, 2007, pp. 1016-1025. doi: 10.1109/ICDE.2007.368960
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S. R. Jeffery, M. J. Franklin and M. Garofalakis, "An adaptive RFID middleware for supporting metaphysical data independence", VLDB J., vol. 17, no. 2, pp. 265-289, Mar. 2008. doi:10.1007/s00778-007-0084-8
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D.Z. Wang, E. Michelakis, M. Garofalakis and J.M. Hellerstein, "BAYESSTORE: managing large, uncertain data repositories with probabilistic graphical models", in 34th International Conference on Very Large Data Bases, 2008.
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G. Cormode and M. Garofalakis, "Approximate continuous querying over distributed streams", ACM Trans. Dat. Syst., vol. 33, no. 2, Jun. 2008. doi:10.1145/1366102.1366106
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A. Machanavajjhala, E. Vee, M. Garofalakis and J. Shanmugasundaram, "Scalable ranked publish/subscribe", in the 34th International Conference on Very Large Data Bases, 2008, pp. 451-462.
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A. Dobra, M. Garofalakis, J. Gehrke and R. Rastogi, "Multi-query optimization for sketch-based estimation", Inform. Syst., vol. 34, no. 2, pp. 209-230, Apr. 2009. doi:10.1016/j.is.2008.06.002
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V. Rastogi, N. Dalvi and M. Garofalakis, "Large-scale collective entity matching", in 35th International Conference on Very Large Data Bases, 2009.
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B.T. Loo, T. Condie, M. Garofalakis, D.E. Gay, J. M. Hellerstein, P. Maniatis, R. Ramakrishnan, T. Roscoe and I. Stoica, "Declarative networking", Communications of the ACM, vol. 52. no. 11, Nov. 2009, pp. 87-95. doi: 10.1145/1592761.1592785
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G. Cormode, A. Deligiannakis, M. Garofalakis and A. McGregor, "Probabilistic histograms for probabilistic data," in 35th International Conference on Very Large Data Bases, 2009.
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G. Cormode and M. Garofalakis, "Histograms and wavelets on probabilistic data", IEEE Trans. Knowl. Data Eng., vol. 22, no. 8, pp. 1142-1157, Aug. 2010. doi:10.1109/TKDE.2010.66
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D. Z. Wang, E. Michelakis, M. J. Franklin, M. Garofalakis and J. M. Hellerstein, "Probabilistic declarative information extraction", in 26th IEEE International Conference on Data Engineering, 2010.
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D. Z. Wang, M. J. Franklin, M. Garofalakis and J. M. Hellerstein, "Querying probabilistic information extraction", in 36th International Conference on Very Large Data Bases, 2010.
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D. Z. Wang, M. J. Franklin, M. Garofalakis, J. M. Hellerstein and M. L. Wick, "Hybrid in-database inference for declarative information extraction", in ACM SIGMOD International Conference on Management of Data, 2011, pp. 517-528. doi: 10.1145/1989323.1989378
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G. Cormode, M. Garofalakis, P. Haas and C. Jermaine, "Synopses for massive data: samples, histograms, wavelets, sketches", Foundations and Trends in Databases, vol. 4, no. 1-3, pp. 1-294, 2012. doi: 10.1561/1900000004
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K.D. Kalantzaki, E.S. Bei, M. Garofalakis, M. Zervakis," Biological interaction networks based on sparse temporal expansion of graphical models ," in 2012 12th Intern.conf. on Bioinformatics and Bioen. (BIBE),pp.460 - 465.doi:10.1109/BIBE.2012.6399721
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O. Papapetrou, M. Garofalakis and A. Deligiannakis, "Sketch-based querying of distributed sliding-window data streams", in 2012 VLDB Endowment, vol. 5, no. 10, pp. 992-1003. doi: 10.14778/2336664.2336672
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N. Giatrakos, A. Deligiannakis, M. Garofalakis, I. Sharfman and A. Schuster, "Prediction-based geometric monitoring over distributed data streams," in 2012 ACM SIGMOD International Conference on Management of Data, pp. 265-276. doi: 10.1145/2213836.2213867
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K. Kalantzaki, E. S. Bei, M. Garofalakis and M. Zervakis, "Biological interaction networks based on non-parametric estimation," Intern. J. Biom. Engineering Techn., vol. 13, no.4, pp. 383-409, 2013. doi: 10.1504/IJBET.2013.058539
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S. Christodoulakis, M. Garofalakis, E.G.M. Petrakis, A. Deligiannakis, V. Samoladas, E. Ioannou, O. Papapetrou and S. Sotiriadis, "Data management research at the Technical University of Crete," in SIGMOD Record, pp. 61-66,2013. doi: 10.1145/2590989.2590999
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N. Giatrakos, A. Deligiannakis, M. Garofalakis, I. Sharfman and A. Schuster, "Distributed geometric query monitoring using prediction models," ACM Trans. Dat. Syst., vol. 39, no. 2, May 2014. doi:10.1145/2602137
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K. Kalantzaki, E. S. Bei, K. P. Exarchos, M. Zervakis, M. Garofalakis and D. I. Fotiadis," Nonparametric network design and analysis of disease genes in oral cancer progression," IEEE J. Biomed. Health Inform., vol. 18, no.2, pp. 562-573, Mar. 2014. doi: 10.1109/JBHI.2013.2274643
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S. Papadopoulos, G. Cormode, A. Deligiannakis and M. Garofalakis, "Lightweight query authentication on streams," ACM Trans. Dat. Syst., vol. 39, no. 4, Dec. 2014. doi:10.1145/2656336
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O. Papapetrou, M. Garofalakis, and A. Deligiannakis, "Sketching distributed sliding-window data streams", VLDB J., vol. 24, no. 3, pp. 345-368, Jun. 2015. doi:10.1007/s00778-015-0380-7
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A. Ioannou and M. Garofalakis, "Query analytics over probabilistic databases with unmerged duplicates", IEEE Trans. Knowl. Data Eng., vol. 27, no. 8, pp. 2245-2260, Aug. 2015. doi:10.1109/TKDE.2015.2405507
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I. Demertzis, S. Papadopoulos, O. Papapetrou, A. Deligiannakis and M. Garofalakis, "Practical private range search revisited," in ACM SIGMOD International Conference on Management of Data, 2016, pp. 185-198. doi: 10.1145/2882903.2882911
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I. Flouris, V. Manikaki, N. Giatrakos, A. Deligiannakis, M. Garofalakis, M. Mock, S. Bothe, I. Skarbovsky, F. Fournier, M. Štajcer, T. Križan, J. Yom-Tov and T. Čurin, "FERARI: a prototype for complex event processing over streaming multi-cloud platforms," in ACM SIGMOD International Conference on Management of Data, 2016, pp. 2093-2096. doi : 10.1145/2882903.2899395
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A. Nydriotis, P. Malakonakis, N. Pavlakis, G. Chrysos, E. Ioannou, E. Sotiriades, M. Garofalakis and A. Dollas, "Leveraging reconfigurable computing in distributed real-time computation systems," in EDBT/ICDT 2016 Joint Conference, 2016.
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I. Flouris, V. Manikaki, N. Giatrakos, A. Deligiannakis, M. Garofalakis, M. Mock, S. Bothe, I. Skarbovsky, F. Fournier, M. Štajcer, T. Križan, J. Yom-Tov and M. Volarevíc, "Demo: Complex event processing over streaming multi-cloud platforms - The FERARI approach," in ACM International Conference on Distributed and Event-based Systems, 2016, pp. 348-349. doi: 10.1145/2933267.2933289
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N. Giatrakos, A. Deligiannakis and M. Garofalakis, "Scalable approximate query tracking over highly distributed data streams," in ACM SIGMOD International Conference on Management of Data, 2016, pp. 1497-1512. doi: 10.1145/2882903.2915225
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N. Giatrakos, A. Artikis, A. Deligiannakis and M. Garofalakis, "Complex event recognition in the big data era," in 43rd International Conference on Very Large Data Bases, 2017, pp. 1996-1999. doi: 10.14778/3137765.3137829
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M. Garofalakis and V. Samoladas, "Distributed query monitoring through convex analysis: Towards composable safe zones," in 20th International Conference on Database Theory, 2017. doi: 10.4230/LIPIcs.ICDT.2017.14
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I. Flouris, N. Giatrakos, A. Deligiannakis, M. Garofalakis, M. Kamp and M. Mock, "Issues in complex event processing: status and prospects in the Big Data era," J. Syst. Software, vol. 127, pp. 217-236, May 2017. doi: 10.1016/j.jss.2016.06.011
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N. Giatrakos, A. Deligiannakis, M. Garofalakis and Y. Kotidis, "Omnibus outlier detection in sensor networks using windowed locality sensitive hashing," Future Gener. Comput. Syst., Apr. 2018. doi: 10.1016/j.future.2018.04.046
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N. Giatrakos, A. Deligiannakis, M. Garofalakis, D. Keren and V. Samoladas, "Scalable approximate query tracking over highly distributed data streams with tunable accuracy guarantees," Inf. Syst., vol. 76, pp. 59-87, Jul. 2018. doi: 10.1016/j.is.2018.05.001
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O. Papapetrou and M. Garofalakis, "Monitoring distributed fragmented skylines," Distrib. Parallel Databases, vol. 36, no. 4, pp. 675-715, Dec. 2018. doi: 10.1007/s10619-018-7223-7
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I. Demertzis, S. Papadopoulos, O. Papapetrou, A. Deligiannakis, M. Garofalakis and C. Papamanthou, "Practical private range search in depth," ACM Trans. Database Syst.. vol. 43, no. 1, Apr. 2018. doi: 10.1145/3167971
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G. Chrysos, O. Papapetrou, D. Pnevmatikatos, A. Dollas and M. Garofalakis, "Data stream statistics over sliding windows: how to summarize 150 million updates per second on a single node," in 29th International Conferenceon Field-Programmable Logic and Applications, 2019, pp. 278-285. doi: 10.1109/FPL.2019.00052
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V. Samoladas and M. Garofalakis, "Functional geometric monitoring for distributed streams," in 22nd International Conference on Extending Database Technology, 2019, pp. 85-96. doi: 10.5441/002/edbt.2019.09
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N. Giatrakos, N. Katzouris, A. Deligiannakis, A. Artikis, M. Garofalakis, G. Paliouras, H. Arndt, R. Grasso, R. Klinkenberg, M. Ponce De Leon, G.G. Tartaglia, A. Valencia and D. Zissis, "Interactive extreme-scale analytics: towards battling cancer," IEEE Technol. Soc. Mag., vol. 38, no. 2, Jun. 2019. doi: 10.1109/MTS.2019.2913071
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N. Giatrakos, A. Artikis, A. Deligiannakis and M. Garofalakis, "Uncertainty-aware event analytics over distributed settings," in 13th ACM International Conference on Distributed and Event-Based Systems, 2019, pp. 175-186. doi: 10.1145/3328905.3329763
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I. Flouris, N. Giatrakos, A. Deligiannakis, and M. Garofalakis, “Network-wide complex event processing over geographically distributed data sources,” Inf. Syst., vol. 88, Feb. 2020, doi: 10.1016/j.is.2019.101442
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N. Giatrakos, D. Arnu, T. Bitsakis, A. Deligiannakis, M. Garofalakis, R. Klinkenberg, A. Konidaris, A. Kontaxakis, Y. Kotidis, V. Samoladas, A. Simitsis, G. Stamatakis, F. Temme, M. Torok, E. Yaqub, A. Montagud, M. Ponce De León, H. Arndt, and S. Burkard, “INforE: interactive cross-platform analytics for everyone,” in Proc. 29th ACM Int. Conf. Inf. Knowl. Manage. (CIKM 2020), virtual event, 2020, pp. 3389–3392, doi: 10.1145/3340531.3417435.
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N. Giatrakos, E. Alevizos, A. Artikis, A. Deligiannakis, and M. Garofalakis, “Complex event recognition in the Big Data era: a survey,” VLDB J., vol. 29, no. 1, pp. 313–352, Jan. 2020. doi: 10.1007/s00778-019-00557-w
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M. Shekelyan, A. Dignös, J. Gamper and M. Garofalakis, "Approximating multidimensional range counts with maximum error guarantees," in 2021 IEEE 37th International Conference on Data Engineering (ICDE), Chania, Greece, 2021, pp. 1595-1606, doi: 10.1109/ICDE51399.2021.00141.
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W. R. Punter, O. Papapetrou and M. Garofalakis, “OmniSketch: efficient multi-dimensional high-velocity stream analytics with arbitrary predicates,” Proc. VLDB Endow., vol. 17, no. 3, pp. 319–331, Nov. 2023, doi: 10.14778/3632093.3632098.
Supervised Thesis (click to toggle)
Theses supervised by this person that have been associated with the laboratory.
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Καλλιόπη Καλαντζάκη, "Μεγάλης αποδοτικότητας Crawler βασισμένος στο Hadoop", Διπλωματική Εργασία, Τμήμα Ηλεκτρονικών Μηχανικών και Μηχανικών Υπολογιστών, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2010.
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Αγησίλαος Χαρτσιάς, "Link prediction in large scale social networks using hadoop", Διπλωματική Εργασία, Τμήμα Ηλεκτρονικών Μηχανικών και Μηχανικών Υπολογιστών, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2010.
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Απόστολος Νυδριώτης, "Dynamic web service mashups", Διπλωματική Εργασία, Τμήμα Ηλεκτρονικών Μηχανικών και Μηχανικών Υπολογιστών, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2010.
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Λάμπρος Παπαγεωργίου, "Lineage processing in uncertain operator pipelines", Διπλωματική Εργασία, Τμήμα Ηλεκτρονικών Μηχανικών και Μηχανικών Υπολογιστών, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2011.
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Γεώργιος Χριστόπουλος, "Fast, parallel stream clustering using hadoop online", Διπλωματική Εργασία, Τμήμα Ηλεκτρονικών Μηχανικών και Μηχανικών Υπολογιστών, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2011.
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Ιωακείμ Πέρρος, "Soft co-clustering in map-reduce using distributed sparse matrix regression", Διπλωματική Εργασία, Τμήμα Ηλεκτρονικών Μηχανικών και Μηχανικών Υπολογιστών, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2012.
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Konstantinos Athanasoglou, "Sketch-based geometric monitoring of distributed stream queries", Master Thesis, School of Electronic and Computer Engineering, Technical University of Crete, Chania, Greece, 2012
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Στυλιανός Παπαγρηγορίου, "Efficient segmentation and classification of hyper spectral cubes", Διπλωματική Εργασία, Τμήμα Ηλεκτρονικών Μηχανικών και Μηχανικών Υπολογιστών, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2012.
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Βασιλική Προκόπη, "Managing information extraction in a mashup environment", Διπλωματική Εργασία, Τμήμα Ηλεκτρονικών Μηχανικών και Μηχανικών Υπολογιστών, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2013.
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Ιωάννης Δεμερτζής, "Private data analytics in cloud computing environments", Διπλωματική Εργασία, Σχολή Ηλεκτρονικών Μηχανικών και Μηχανικών Υπολογιστών, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2013.
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Γεώργιος Κομνηνός, "Implementation of a client-server mashup system using the android platform", Διπλωματική Εργασία, Τμήμα Ηλεκτρονικών Μηχανικών και Μηχανικών Υπολογιστών, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2013.
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Γιώργος Φραγκιαδουλάκης, "Υλοποίηση μηχανής αναζήτησης βασισμένης στο PageRank με χρήση του Hadoop", Διπλωματική Εργασία, Τμήμα Ηλεκτρονικών Μηχανικών και Μηχανικών Υπολογιστών, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2013.
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Eleftherios Soulas, "Online machine learning algorithms for currency exchange prediction", Diploma Work, School of Electronic and Computer Engineering, Technical University of Crete, Chania, Greece, 2013
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Ευάγγελος Ε. Βαζαίος, "BePadoop large-scale exact belief propagation in Hadoop", Μεταπτυχιακή Διατριβή, Σχολή Ηλεκτρονικών Μηχανικών και Μηχανικών Υπολογιστών, Πολυτεχνείο Κρήτης, Χανιά, Ελλάς, 2013.
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Ioakeim Perros, "Stochastic PageRank maintenance over shared-nothing architectures", Master Thesis, School of Electronic and Computer Engineering, Technical University of Crete, Chania, Greece, 2014
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Ioannis Demertzis, "Practical secure and efficient range search", Master Thesis, School of Electronic and Computer Engineering, Technical University of Crete, Chania, Greece, 2015
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Andreas Grammenos, "NeuralStream: a distributed framework for online pattern discovery in multiple streaming time-series", Diploma Work, School of Electronic and Computer Engineering, Technical University of Crete, Chania, Greece, 2015
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Alexandros Mavrommatis, "A streaming implementation of the event calculus", Master Thesis, School of Electronic and Computer Engineering, Technical University of Crete, Chania, Greece, 2016
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Eirini Asteri, "Distributed sliding-window matrix sketching", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2016
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Periklis Chrysogelos, "Streaming, high performance support vector methods", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2016
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Nikolaos Pavlakis, "Scaling out streaming time series analytics on Storm", Master Thesis, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2017
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Vassilis V. Digalakis Jr., "Data analytics with differential privacy", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2018
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Zafeiria Moumoulidou, "Dynamic decision trees in a distributed environment", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2018
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Christos Ziakas, "Implementation of decision trees for data streams in the Spark Streaming platform", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2018
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Nikolaos Kafritsas, "A caching platform for large scale data-intensive distributed applications", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2019
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Rafail-Athanasios Demertzis, "Efficient multi-dimensional range searchable encryption for large databases", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2019
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Eirini Kontaki, "Big data analytics for smarter cities: Method – Architecture – Algorithmic Apparatus", Master Thesis, Πολυτεχνείο Κρήτης:Σχολή Μηχανικών Παραγωγής και Διοίκησης, Chania, Greece, 2020
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Zacharioudakis Christos, "Large Differentially Private Data Synthesis", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2020
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Antheas Kapenekakis, "Investigating behavioural and affective cloning via imitation and reinforcement learning", Diploma Work, School of Electrical Engineering and Computer Engineering, Technical University of Crete, Chania, Greece, 2021
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Alexandros Tragkas, "Blockchain Support for a Personal Data Marketplace", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2021
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Georgios Margaritis, "Differentially private data synthesis using Variational Autoencoders", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2021
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Ioannis Misokalos, "MEREBO: A web mart aggregator for multi-source entity resolution and basket optimization", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2023
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Spyridon Tsirtsis, "Development of a location-aware mobile information system for optimized public utility consumption control and management", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2024
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Dimitrios Mavrogiorgis, "Data valuation using Shapley Values", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2024
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Kanakis Kelaidis, "Federated LoRA-Tuning for LLMs", Diploma Work, School of Electrical and Computer Engineering, Technical University of Crete, Chania, Greece, 2025