CURRICULUM VITAE VASSILIOS S. VERYKIOS School of Sciences and Technology, Hellenic Parodos Aristotelous, 18 , GR 26335 TEL: (+30)2610367698 Email: [email protected]

EDUCATION

PhD in Computer Sciences Computer Sciences Dept., Aug 1999 Purdue University, IN, USA MSc in Computer Sciences Computer Sciences Dept., May 1997 Purdue University, IN, USA Diploma Degree Computer Engineering and Informatics Dept., Aug 1992 , Patras, GREECE

EMPLOYMENT HISTORY

Academic Positions Director Big Data Analytics and Anonymization Lab Mar 2018-Today Hellenic Open University, Patras, GREECE Professor School of Science and Technology, Jan 2016-Today Hellenic Open University, Patras, GREECE Director Educational Content, Methodology and Technology Lab May 2014-Nov 2017 Associate Professor School of Science and Technology, Jan 2011-Dec 2015 Hellenic Open University, Patras, GREECE Director Graduate Program on Information Systems, Jan 2011-Today School of Science and Technology, Hellenic Open University, Patras, GREECE Assistant Professor Electrical and Computer Engineering Dept., Aug 2005-Dec 2010 University of , Volos, GREECE Assistant Professor College of Information Science and Technology Sep 1999-Aug 2002 Drexel University, Philadelphia, PA, USA Visiting/Adjunct Professor Positions Visiting Instructor Electrical and Computer Engineering Dept., Spring Semester 2014 University of Patras, Patras, GREECE Adjunct Instructor Open University of Cyprus 2011-2014 Adjunct Instructor Electrical and Computer Engineering Dept., 2004-2005 , Volos, GREECE Visiting Instructor Information Networking Initiative 2002-2004 Athens Information Technology and CMU Visiting Instructor Undergraduate Program in Computer Sciences, 2002-2003 School of Sciences and Technology, Hellenic Open University, Patras, GREECE Adjunct Instructor Computer Engineering and Informatics Dept., 2001-2003 University of Patras, Patras, GREECE Visiting Scientist Computer Sciences Dept., Summer Semester Purdue University, IN, USA 2000, 2001 Industrial/Consulting Positions Consultant OTE/Cosmote S.A., GREECE 2018 Consultant Singular S.A. Athens, GREECE 2003-2005 Consultant CTI Diophantus, Patras, GREECE 2002-2003 Consultant Intracom S.A., Athens, GREECE 2001-2002 Consultant ChoiceMaker Technologies, NY, USA 2000-2001 Consultant Naval Research Laboratory, Washington DC, USA 2001 Consultant Telcordia Technologies, NJ, USA 1999-2000 Software Engineer First Informatics S.A. 1992-1994

INVITED PRESENTATIONS and TUTORIALS (Most Recent)

1. Recent Advances in Privacy Preserving Record Linkage, Invited Speaker, Lecture Series, Data Analytics Group, Qatar Computing Research Institute, Doha, QATAR, December 7th, 2017 2. Assessing Students and Tutors with Learning Analytics Dashboards, Invited Speaker, Webinar Series, Empower Higher Education, EADTU, September 26th, 2017. 3. Evaluation of Scalable PPRL Schemes with a Native LSH Database Engine, Keynote Speaker, 7th International Conference on Computer Science, Engineering and Information Technology (CCSEIT 2017), Vienna, AUSTRIA, May 27th -28th , 2017. 4. Computational Techniques for the Protection of Privacy in Educational Data, Invited Speaker, Symposium on Personal Data: Protection and Challenges, Patras, GREECE, May 18th 2017. 5. Space Embedding of Records for Privacy Preserving Linkage, Invited Speaker, Data Linkage: Techniques, Challenges and Applications Workshop, Isaac Newton Institute for Mathematical Sciences, Cambridge, UK, September 12th-16th 2016. 6. Blocking Methods for Privacy Preserving Record Linkage, Invited Speaker, Tutorial on the 1st International Workshop on Algorithmic Aspects of Cloud Computing (ALGOCLOUD 2015) , Patras, GREECE, September 14th-15th 2015. 7. Knowledge Sanitization on the Web, Invited Speaker, Tutorial on the 4th International Conference on Web Intelligence, Mining and Semantics (WIMS 2014), Thessaloniki, GREECE, June 2nd-4th 2014. 8. Techniques for Scalable Privacy-Preserving Record Linkage, Invited Speaker, Tutorial on the 23rd ACM International Conference on Information and Knowledge Management (CIKM 2013), San Francisco, CA, USA, October 27th- November 1st 2013. 9. Knowledge Hiding in Data Mining, Keynote Speaker, 2nd Mining Humanistic Data Workshop (MHDW 2013), Halkidiki, GREECE, September 13th-16th 2013. 10. Data Mining and Privacy, Invited Speaker, 3rd Hellenic Artificial Intelligence Summer School (HAISS 2013), Corfu, GREECE, August 26th-30th 2013. 11. Privacy Preserving Record Linkage, Invited Speaker, 24th IEEE International Conference on Tools with Artificial Intelligence, Athens, GREECE, November 7th-9th 2012. 12. Privacy Preserving Record Linkage, Invited Speaker, Tutorial on the 16th Pacific-Asia Conference on Knowledge Discovery and Data Mining, Kuala Lumpur, MALAYSIA, May 29th-June 1st 2012.

COURSES TAUGHT (Most Recent)

1. Databases 2. Programming Languages (Java, C++, Python, Perl, Tcl, Tk, R, ML, etc) 3. Operating Systems 4. Data Structures 5. Data Science 6. Software Engineering

PROGRAM COMMITTEES (Most Recent)

1. Member, 22nd Pan-Hellenic Conference on Informatics (PCI), Athens, GREECE, September 29th/11-1st /12 2018 2. Member, Privacy in Statistical Databases (PSD), Valencia, SPAIN, September 26th-28th 2018 3. Co-Chair, 4th International Symposium on Algorithmic Aspects of Cloud Computing (ALGOCLOUD), Helsinki, FINLAND, August 20th-24th 2018 4. Member, 7th International Conference on Data Science, Technology and Applications (DATA), Porto, PORTUGAL, July 26th-28th 2018 5. Member, The International Symposium on Modelling and Optimization (MODOPT) Barcelona, SPAIN, July 22nd- 26th 2018 6. Member, 10th Hellenic Conference on Artificial Intelligence (SETN), Patras, GREECE, July 9-15 2018 7. Member, 2018 ACM SIGMOD/PODS International Conference on Management of Data, Houston TX, USA, June 10th-15th 2018 8. Member, The European Conference on Machine Learning & Principles and Practice of Knowledge Discovery in Databases (ECML/PKDD), Skopje, FYROM, 18th-22th 2017 9. Member, 21st Pan-Hellenic Conference on Informatics (PCI), Larisa, GREECE, September 28th-30th 2017 10. Member, 3rd International Conference on Machine Learning, Optimization and Big Data (MOD), Volterra, Tuscany, ITALY, September 14th-17th 2017

GRANTS (Most Recent)

1. Junior Coding Academy, 2016 Google Rise Award Website: https://intermediakt.org/project/junior-coding-academy/ 2. Scratch Coding – Code, Create and Learn with Scratch, Award by Stavros Niarchos Foundation Website: http://scratchcoding.eap.gr/ 3. IRIS-Innovative learning Resources to foster equal participation In grassroots Sports, dealing with discrimination, racism and violence incidents, Erasmus+ Programme: Support for Collaborative Partnerships in the field of Sport (ΚΑ3 Erasmus+ Programmes) Website: http://iris-sport.eu/en/ 4. Google-CS4HS Award-2014-http://www.cs4hs.com Webisite:s4t.eap.gr 5. Australian Research Council’s Discovery Projects 2013-Project ID: DP130101801-Privacy-Preserving Record Linkage on Multiple Large Databases 6. MODAP – Mobility, Data Mining and Privacy 2009-2012 – http://www.modap.org 7. GeoPKDD – Geographic Privacy-aware Knowledge Discovery and Delivery 1/12/2005-30/11/2008 - http://www.geopkdd.eu 8. KWfGRID – Knowledge-based Workflow System for Grid Applications 1/9/2004-28/2/2007 - http://www.kwfgrid.eu/ 9. DBGlobe – A Data-centric Approach to Global Computing 1/1/2002-31/12/2004 - http://softsys.cs.uoi.gr/dbglobe/index1.html 10. CODMINE – Confidentiality of Data Against Data Mining Methods 1/10/2002-30/9/2003 - http://www.cti.gr/RD3/DKE/CODMINE

STUDENT THESES and RESEARCH SUPERVISION

Postdoctoral Research 1. Fotis Lazarinis, School of Science and Technology, Hellenic Open University, 2016-today 2. Dimitris Karapiperis, School of Science and Technology, Hellenic Open University, 2017-today Doctoral Students Completed 1. Dimitris Karapiperis, 2016 A service - oriented framework for the specification, deployment, execution, benchmarking, and prediction of performance of scalable privacy - preserving record linkage techniques School of Science and Technology, Hellenic Open University 2. Alexandros Karakasidis, 2015 Approximate Linkage of Duplicate Records, Data Matching and Privacy School of Science and Technology, Hellenic Open University 3. Aris Gkoulalas-Divanis, 2009 From itemsets through trajectories to location based services: a knowledge hiding privacy approach Department of Electrical and Computer Engineering, University of Thessaly, Greece Doctoral Students (In progress) 1. Andreas Gkontzis, 2014 A Big Data Analytics Framework for Adaptive and Personalized Learning Environments School of Science and Technology, Hellenic Open University 2. Christos Samaras, 2016 A Big Data Learning Analytics Methodology for the Modeling and the Prediction of School Dropout School of Science and Technology, Hellenic Open University 3. Evgenia Katsigri, 2018 Learning and Teaching Analytics for Personalized and Adaptive Distance Learning School of Science and Technology, Hellenic Open University Master Students More than 30 Master Theses have been completed and 3 more are in progress

PUBLICATIONS

Refereed Journals 1. Karapiperis, D., Gkoulalas-Divanis, A., Verykios, V.S. Fast schemes for online record linkage (2018) Data Mining and Knowledge Discovery, pp. 1-22. Article in Press. 2. Karapiperis, D., Gkoulalas-Divanis, A., Verykios, V.S. FEDERAL: A Framework for Distance-Aware Privacy-Preserving Record Linkage (2018) IEEE Transactions on Knowledge and Data Engineering, 30 (2), art. no. 8063935, pp. 292-304. 3. Gakis, P., Panagiotakopoulos, C., Sgarbas, K., Tsalidis, C., Verykios, V.S. Design and construction of the Greek grammar checker (2017) Digital Scholarship in the , 32 (3), pp. 554-576. 4. Karapiperis, D., Verykios, V.S. A fast and efficient Hamming LSH-based scheme for accurate linkage (2016) Knowledge and Information Systems, 49 (3), pp. 861-884. 5. Stavropoulos, E.C., Verykios, V.S., Kagklis, V. A transversal hypergraph approach for the frequent itemset hiding problem (2016) Knowledge and Information Systems, 47 (3), pp. 625-645. 6. Karapiperis, D., Verykios, V.S. An LSH-Based Blocking Approach with a Homomorphic Matching Technique for Privacy-Preserving Record Linkage (2015) IEEE Transactions on Knowledge and Data Engineering, 27 (4), art. no. 6880802, pp. 909-921. 7. Karapiperis, D., Verykios, V.S. Load-balancing the Distance Computations in Record Linkage (2015) ACM SIGKDD Explorations Newsletter 17 (1), 1-7 8. Karapiperis, D., Verykios, V.S. Distributed near-optimal LSH-based framework for privacy-preserving record linkage (2014) Computer Science and Information Systems, 11 (2), pp. 745-763. 9. Christen, P., Vatsalan, D., Verykios, V.S. Challenges for privacy preservation in data integration (2014) Journal of Data and Information Quality, 5 (1-2), art. no. 4. 10. Verykios, V.S., Christen, P. Privacy-preserving record linkage (2013) Wiley Interdisciplinary Reviews: Data Mining and Knowledge Discovery, 3 (5), pp. 321-332. 11. Verykios, V.S. Association rule hiding methods (2013) Wiley Interdisciplinary Reviews: Data Mining and Knowledge Discovery, 3 (1), pp. 28-36. 12. Vatsalan, D., Christen, P., Verykios, V.S. A taxonomy of privacy-preserving record linkage techniques (2013) Information Systems, 38 (6), pp. 946-969. 13. Gkoulalas-Divanis, A., Saygin, Y., Verykios, V.S. Foreword for the special issue of selected papers from the 1st ECML/PKDD workshop on privacy and security issues in data mining and machine learning (2011) Transactions on Data Privacy, 4 (3), pp. 127-128. 14. Gkoulalas-Divanis, A., Verykios, V.S. Concealing the position of individuals in location-based services (2011) Operational Research, 11 (2), pp. 201-214. 15. Gkoulalas-Divanis, A., Kalnis, P., Verykios, V.S. Providing K-Anonymity in Location Based Services (2010) ACM SIGKDD Explorations Newsletter 12 (1), 3-20 16. Gkoulalas-Divanis, A., Verykios, V.S. An Overview of Privacy Preserving Data Mining (2009) ACM Crossroads, 15 (4). 17. Moustakides, G.V., Verykios, V.S. Optimal stopping: A record-linkage approach (2009) Journal of Data and Information Quality, 1 (2), art. no. 9, . 18. Gkoulalas-Divanis, A., Verykios, V.S. Exact knowledge hiding through database extension (2009) IEEE Transactions on Knowledge and Data Engineering, 21 (5), art. no. 4633355, pp. 699-713. 19. Verykios, V.S., Karakasidis, A., Mitrogiannis, V.K. Privacy preserving record linkage approaches (2009) International Journal of Data Mining, Modelling and Management, 1 (2), pp. 206-221. 20. Gkoulalas-Divanis, A., Verykios, V.S., Bozanis, P. A network aware privacy model for online requests in trajectory data (2009) Data and Knowledge Engineering, 68 (4), pp. 431-452. 21. Gkoulalas-Divanis, A., Verykios, V.S. Exact knowledge hiding in transactional databases (2009) International Journal on Artificial Intelligence Tools, 18 (1), pp. 17-37. 22. Gkoulalas-Divanis, A., Verykios, V.S. Hiding sensitive knowledge without side effects (2009) Knowledge and Information Systems, 20 (3), pp. 263-299. 23. Moustakides, G.V., Verykios, V.S. A MaxMin approach for hiding frequent itemsets (2008) Data and Knowledge Engineering, 65 (1), pp. 75-89. 24. Verykios, V.S., Pontikakis, E.D., Theodoridis, Y., Chang, L. Efficient algorithms for distortion and blocking techniques in association rule hiding (2007) Distributed and Parallel Databases, 22 (1), pp. 85-104. 25. Elmagarmid, A.K., Ipeirotis, P.G., Verykios, V.S. Duplicate record detection: A survey (2007) IEEE Transactions on Knowledge and Data Engineering, 19 (1), pp. 1-16. 26. Verykios, V.S., Elmagarmid, A.K., Bertino, E., Saygin, Y., Dasseni, E. Association Rule Hiding (2004) IEEE Transactions on Knowledge and Data Engineering, 16 (4), pp. 434-447. 27. Verykios, V.S., Bertino, E., Fovino, I.N., Provenza, L.P., Saygin, Y., Theodoridis, Y. State-of-the-art in privacy preserving data mining (2004) SIGMOD Record, 33 (1), pp. 50-57. 28. Verykios, V.S., Moustakides, G.V., Elfeky, M.G. A Bayesian decision model for cost optimal record matching (2003) VLDB Journal, 12 (1), pp. 28-40. 29. Missier, P., Lalk, G., Verykios, V.S., Grillo, F., Lorusso, T., Angeletti, P. Improving data quality in practice: A case study in the Italian public administration (2003) Distributed and Parallel Databases, 13 (2), pp. 135-160. 30. Houstis, E.N., Catlin, A.C., Dhanjani, N., Rice, J.R., Ramakrishnan, N., Verykios, V.S. MyPYTHIA: A recommendation portal for scientific software and services (2002) Concurrency Computation Practice and Experience, 14 (13-15), pp. 1481-1505. 31. Saygin, Y., Verykios, V.S., Clifton, C. Using unknowns to prevent discovery of association rules (2001) SIGMOD Record, 30 (4), pp. 45-54. 32. Verykios, V.S., Houstis, E.N., Tsoukala, L.H., Pantazopoulos, K.N. Automating the analysis of option pricing algorithms through intelligent knowledge acquisition approaches (2001) IEEE Transactions on Systems, Man, and Cybernetics Part A: Systems and Humans, 31 (6), pp. 573-586. 33. Houstis, E.N., Catlin, A.C., Rice, J.R., Verykios, V.S., Ramakrishnan, N., Houstis, C.E. PYTHIA-II: A Knowledge/Database System for Managing Performance Data and Recommending Scientific Software (2000) ACM Transactions on Mathematical Software, 26 (2), pp. 227-253. 34. Verykios, V.S., Elmagarmid, A.K., Houstis, E.N. Automating the approximate record-matching process (2000) Information Sciences, 126 (1), pp. 83-98. Refereed Papers in Conferences and Workshops 1. Theodosiou, T.C., Karapiperis, D., Verykios, V.S. Using wavelets for matching records privately (2017) ACM International Conference Proceeding Series, Part F132523, art. no. 3139371 2. Gkontzis, A.F., Karachristos, C.V., Panagiotakopoulos, C.T., Stavropoulos, E.C., Verykios, V.S. Sentiment analysis to track emotion and polarity in student fora (2017) ACM International Conference Proceeding Series, Part F132523, art. no. 3139389 3. Karapiperis, D., Gkoulalas-Divanis, A., Verykios, V.S. Distance-Aware encoding of numerical values for privacy-preserving record linkage (2017) Proceedings - International Conference on Data Engineering, art. no. 7929954, pp. 135-138. 4. Kostopoulos, G., Kotsiantis, S., Verykios, V.S. A prognosis of junior high school students’ performance based on active learning methods (2017) Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 10512 LNAI, pp. 67-76. 5. Lazarinis, F., Verykios, V.S., Panagiotakopoulos, C. (Best paper award) A mobile application for user regulated self-assessments (2017) Proceedings of the 13th International Conference on Mobile Learning 2017, ML 2017, pp. 56-62. 6. Karachristos, C.V., Stavropoulos, E.C., Verykios, V.S., Lazarinis, F., Sakkopoulos, E., Androulakis, G. Promoting Active Learning using a web-based Audience Response System (2016) ACM International Conference Proceeding Series, art. no. a38 7. Kalles, D., Verykios, V.S., Feretzakis, G., Papagelis, A. Data set operations to hide decision tree rules (2016) ACM International Conference Proceeding Series, 29-30-August-2016, art. no. 2970041 8. Kalles, D., Verykios, V.S., Papagelis, A. Hiding decision tree rules by data set operations (2016) IISA 2015 - 6th International Conference on Information, Intelligence, Systems and Applications, art. no. 7387954 9. Karapiperis, D., Verykios, V.S., Katsiri, E., Delis, A. A tutorial on blocking methods for privacy-preserving record linkage (2016) Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 9511, pp. 3-15. 10. Ranbaduge, T., Vatsalan, D., Christen, P., Verykios, V.S. Hashing-based distributed multi-party blocking for privacy-preserving record linkage (2016) Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 9652 LNAI, pp. 415-427. 11. Kalles, D., Verykios, V.S., Feretzakis, G., Papagelis, A. Data set operations to hide decision tree rules (2016) Frontiers in Artificial Intelligence and Applications, 285, pp. 1575-1576. 12. Lazarinis, F., Alexandri, K., Verykios, V.S., Panagiotakopoulos, C. Raising safer internet awareness through a mobile application based on contrasting visual stories (2015) Proceedings of 2015 International Conference on Interactive Mobile Communication Technologies and Learning, IMCL 2015, art. no. 7359561, pp. 88-90. 13. Boididis, I., Lazarinis, F., Verykios, V.S., Panagiotakopoulos, C. Exploring cultural heritage landscapes in an interactive game-based learning application (2015) Proceedings of 2015 International Conference on Interactive Mobile Communication Technologies and Learning, IMCL 2015, art. no. 7359554, pp. 59-62. 14. Lazarinis, F., Mazaraki, A., Verykios, V.S., Panagiotakopoulos, C. E-comics in teaching: Evaluating and using comic strip creator tools for educational purposes (2015) 10th International Conference on Computer Science and Education, ICCSE 2015, art. no. 7250261, pp. 305- 309. 15. Karakasidis, A., Koloniari, G., Verykios, V.S. Scalable blocking for privacy preserving record linkage (2015) Proceedings of the ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2015- August, pp. 527-536. 16. Lazarinis, F., Verykios, V.S., Panagiotakopoulos, C. An adaptive web tool for self-assessment using lightweight user profiles (2015) CSEDU 2015 - 7th International Conference on Computer Supported Education, Proceedings, 2, pp. 14-23. 17. Karapiperis, D., Vatsalan, D., Verykios, V.S., Christen, P. Large-scale multi-party counting set intersection using a space efficient global synopsis (2015) Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 9050, pp. 329-345. 18. Karakasidis, A., Koloniari, G., Verykios, V.S. PRIVATEER: A private record linkage toolkit (2015) CEUR Workshop Proceedings, 1367, pp. 197-204. 19. Lazarinis, F., Verykios, V.S., Panagiotakopoulos, C. A tool for developing instructional digital comic strips with associated learning objectives (2015) Smart Innovation, Systems and Technologies, 41, pp. 437-447. 20. Karakasidis, A., Koloniari, G., Verykios, V.S. Privacy preserving blocking and meta-blocking (2015) Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 9286, pp. 232-236. 21. Kagklis, V., Verykios, V.S., Tzimas, G., Tsakalidis, A.K. An Integer Linear Programming Scheme to Sanitize Sensitive Frequent Itemsets (2014) Proceedings - International Conference on Tools with Artificial Intelligence, ICTAI, 2014-December, art. no. 6984555, pp. 771-775. 22. Lotsari, E., Verykios, V.S., Panagiotakopoulos, C., Kalles, D. A learning analytics methodology for student profiling (2014) Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 8445 LNCS, pp. 300-312. 23. Kagklis, V., Verykios, V.S., Tzimas, G., Tsakalidis, A.K. Knowledge sanitization on the web (2014) ACM International Conference Proceeding Series, . 24. Magkos, E., Kotzanikolaou, P., Magioladitis, M., Sioutas, S., Verykios, V.S. Towards secure and practical location privacy through private equality testing (2014) Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 8744, pp. 312-325. 25. Karapiperis, D., Verykios, V.S. A distributed framework for scaling up LSH-based computations in privacy preserving record linkage (2013) ACM International Conference Proceeding Series, pp. 102-109. 26. Vatsalan, D., Christen, P., Verykios, V.S. Efficient two-party private blocking based on sorted nearest neighborhood clustering (2013) International Conference on Information and Knowledge Management, Proceedings, pp. 1949-1958. 27. Sakkopoulos, E., Mersini, P., Tsakalidis, A., Sioutas, S., Verykios, V.S. A novel mobile framework for anonymity techniques and services research (2013) Proceedings - IEEE International Conference on Mobile Data Management, 1, art. no. 6569162, pp. 353-355. 28. Karakasidis, A., Verykios, V.S. A simulator for privacy preserving record linkage (2013) Communications in Computer and Information Science, 384, pp. 164-173. 29. Karakasidis, A., Verykios, V.S. A Sorted Neighborhood approach to multidimensional Privacy Preserving Blocking (2012) Proceedings - 12th IEEE International Conference on Data Mining Workshops, ICDMW 2012, art. no. 6406551, pp. 937-944. 30. Karakasidis, A., Verykios, V.S. A highly efficient and secure multidimensional blocking approach for private record linkage (2012) Proceedings - International Conference on Tools with Artificial Intelligence, ICTAI, 1, art. no. 6495077, pp. 428-435. 31. Karakasidis, A., Verykios, V.S. Reference table based k-anonymous private blocking (2012) Proceedings of the ACM Symposium on Applied Computing, pp. 859-864. 32. Karakasidis, A., Verykios, V.S., Christen, P. Fake injection strategies for private phonetic matching (2012) Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 7122 LNCS, pp. 9-24. 33. Dimitrakakis, C., Gkoulalas-Divanis, A., Mitrokotsa, A., Saygin, Y., Verykios, V. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics): Preface (2011) Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 6549 LNAI, . 34. Vatsalan, D., Christen, P., Verykios, V.S. An Efficient Two-Party Protocol for Approximate Matching in Private Record Linkage (2010) Conferences in Research and Practice in Information Technology Series, 121, pp. 125-136. 35. Gkoulalas-Divanis, A., Liu, K., Verykios, V.S., Wolff, R. 2nd IEEE international workshop on Privacy Aspects of Data Mining (PADM 2010) (2010) Proceedings - IEEE International Conference on Data Mining, ICDM, art. no. 5693481, pp. xxxiv. 36. Sioutas, S., Magkos, E., Karydis, I., Verykios, V.S. Uncertainty for anonymity and 2-dimensional range query distortion (2010) Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 6344 LNCS, pp. 85-96. 37. Delis, A., Verykios, V.S., Tsitsonis, A.A. A data perturbation approach to sensitive classification rule hiding (2010) Proceedings of the ACM Symposium on Applied Computing, pp. 605-609. 38. Gkoulalas-Divanis, A., Verykios, V.S., Mokbel, M.F. Identifying unsafe routes for network-based trajectory privacy (2009) Society for Industrial and Applied Mathematics - 9th SIAM International Conference on Data Mining 2009, Proceedings in Applied Mathematics, 2, pp. 937-948. 39. Karakasidis, A., Verykios, V.S. Privacy preserving record linkage using phonetic codes (2009) 2009 4th Balkan Conference in Informatics, BCI 2009, art. no. 5359317, pp. 101-106. 40. Gkoulalas-Divanis, A., Verykios, V.S. Privacy in trajectory data (2009) Social Implications of Data Mining and Information Privacy: Interdisciplinary Frameworks and Solutions, pp. 199-212. 41. Gkoulalas-Divanis, A., Verykios, V.S., Eleftheriou, D. PLOT: Privacy in location based services: An open-ended toolbox (2009) Proceedings - IEEE International Conference on Mobile Data Management, art. no. 5088921, pp. 62-71. 42. Katsarou, A., Gkoulalas-Divanis, A., Verykios, V.S. Reconstruction-based classification rule hiding through controlled data modification (2009) IFIP International Federation for Information Processing, 296, pp. 449-458. 43. Verykios, V.S., Damiani, M.L., Gkoulalas-Divanis, A. Privacy and security in spatiotemporal data and trajectories (2008) Mobility, Data Mining and Privacy: Geographic Knowledge Discovery, pp. 213-240. 44. Bonchi, F., Saygin, Y., Verykios, V.S., Atzori, M., Gkoulalas-Divanis, A., Kaya, S.V., Savaś, E. Privacy in spatiotemporal data mining (2008) Mobility, Data Mining and Privacy: Geographic Knowledge Discovery, pp. 297-333. 45. Pedreschi, D., Bonchi, F., Turini, F., Verykios, V.S., Atzori, M., Malin, B., Moelans, B., Saygin, Y. Privacy protection: Regulations and technologies, opportunities and threats (2008) Mobility, Data Mining and Privacy: Geographic Knowledge Discovery, pp. 101-119. 46. Gkoulalas-Divanis, A., Verykios, V.S. A free terrain model for trajectory k-anonymity (2008) Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 5181 LNCS, pp. 49-56. 47. Gkoulalas-Divanis, A., Verykios, V.S. A parallelization framework for exact knowledge hiding in transactional databases (2008) IFIP International Federation for Information Processing, 278, pp. 349-363. 48. Gkoulalas-Divanis, A., Verykios, V.S. A hybrid approach to frequent itemset hiding (2007) Proceedings - International Conference on Tools with Artificial Intelligence, ICTAI, 1, art. no. 4410298, pp. 297-304. 49. Moustakides, G.V., Verykios, V.S. A max-min approach for hiding frequent itemsets (2006) Proceedings - IEEE International Conference on Data Mining, ICDM, art. no. 4063679, pp. 502-506. 50. Gkoulalas-Divanis, A., Verykios, V.S. An integer programming approach for frequent itemset hiding (2006) International Conference on Information and Knowledge Management, Proceedings, pp. 748-757. 51. Verykios, V.S., Moustakides, G.V. A generalized cost optimal decision model for record matching (2004) Proceedings of the ACM SIGMOD International Conference on Management of Data, pp. 20-26. 52. Pontikakis, E.D., Tsitsonis, A.A., Verykios, V.S., Theodoridis, Y., Chang, L. A quantitative and qualitative analysis of blocking in association rule hiding (2004) WPES'04: Proceedings of the 2004 ACM Workshop on Privacy in the Electronic Society, pp. 29-30. 53. Pfoser, D., Tryfona, N., Verykios, V.S. Services-based data management in a global computing environment (2004) Proceedings - 4th International Conference on Web Information Systems Engineering Workshops, art. no. 1286785, pp. 45-53. 54. Pontikakis, E.D., Tsitsonis, A.A., Verykios, V.S. An experimental study of distortion-based techniques for association rule hiding (2004) IFIP Advances in Information and Communication Technology, 144, pp. 325-339. 55. Houstis, E.N., Verykios, V.S., Catlin, A.C., Rice, J.R. A knowledge discovery methodology for behavior analysis of large-scale applications on parallel architectures (2003) Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2660, pp. 739-748. 56. Saygin, Y., Verykios, V.S., Elmagarmid, A.K. Privacy preserving association rule mining (2002) Proceedings of the IEEE International Workshop on Research Issues in Data Engineering, 2002-January, art. no. 995109, pp. 151-158. 57. Elfeky, M.G., Verykios, V.S., Elmagarmid, A.K. TAILOR: A record linkage toolbox (2002) Proceedings - International Conference on Data Engineering, pp. 17-28. 58. Dasseni, E., Verykios, V.S., Elmagarmid, A.K., Bertino, E. 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