Publications
2022
Scholarly publications
Kampers, O., Qahtan, A., Mathur, S., & Velegrakis, Y. (2022). Manipulation Detection in Cryptocurrency Markets: An Anomaly and Change Detection Based Approach. In Proceedings of the 37th ACM/SIGAPP Symposium on Applied Computing, SAC 2022 (pp. 326-329). (Proceedings of the 37th ACM/SIGAPP Symposium on Applied Computing). Association for Computing Machinery (ACM). https://doi.org/10.1145/3477314.3507185
2021
Scholarly publications
Velegrakis, Y. (2021). Foreword by the PC chair. Advances in Database Technology - EDBT, 2021, i.
Radstok, W., Chekol, M., & Velegrakis, Y. (2021). Leveraging Static Models for Link Prediction in Temporal Knowledge Graphs. In Proceedings - 2021 IEEE 33rd International Conference on Tools with Artificial Intelligence, ICTAI 2021 (pp. 1034-1041). (Proceedings - International Conference on Tools with Artificial Intelligence, ICTAI; Vol. 2021-November). IEEE Computer Society. https://doi.org/10.1109/ICTAI52525.2021.00165
Mottin, D., Lissandrini, M., Roy, S. B., Velegrakis, Y., Athanassoulis, M., Augsten, N., Hamadou, H. B., Bergamaschi, S., Bikakis, N., Bonifati, A., Dimou, A., Di Rocco, L., Fletcher, G., Foroni, D., Freytag, J. C., Groth, P., Guerra, F., Hartig, O., Karras, P., ... Manolescu, I. (2021). Preface. CEUR Workshop Proceedings, 2929.
Foroni, D., Lissandrini, M., & Velegrakis, Y. (2021). The F4U system for understanding the effects of data quality. In 2021 IEEE 37th International Conference on Data Engineering (ICDE) (pp. 2717-2720). [9458779] (Proceedings - International Conference on Data Engineering; Vol. 2021-April). IEEE. https://doi.org/10.1109/ICDE51399.2021.00312
Foroni, D., Lissandrini, M., & Velegrakis, Y. (2021). Estimating the extent of the effects of data quality through observations. In 2021 IEEE 37th International Conference on Data Engineering (ICDE) (pp. 1913-1918). [9458690] (Proceedings - International Conference on Data Engineering; Vol. 2021-April). IEEE Computer Society. https://doi.org/10.1109/ICDE51399.2021.00176
Preti, G., Rozenshtein, P., Gionis, A., & Velegrakis, Y. (2021). Discovering Dense Correlated Subgraphs in Dynamic Networks. In K. Karlapalem, H. Cheng, N. Ramakrishnan, R. K. Agrawal, P. K. Reddy, J. Srivastava, & T. Chakraborty (Eds.), Advances in Knowledge Discovery and Data Mining - 25th Pacific-Asia Conference, PAKDD 2021, Proceedings (pp. 395-407). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 12712 LNAI). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-030-75762-5_32
Rozenshtein, P., Preti, G., Gionis, A., & Velegrakis, Y. (2021). Mining Dense Subgraphs with Similar Edges. In F. Hutter, K. Kersting, J. Lijffijt, & I. Valera (Eds.), Machine Learning and Knowledge Discovery in Databases: European Conference, ECML PKDD 2020, Ghent, Belgium, September 14–18, 2020, Proceedings, Part III (1 ed., pp. 20-36). (Lecture Notes in Computer Science (Also part of the Lecture Notes in Artificial Intelligence book sub series); Vol. 12459 ). Springer Cham. https://doi.org/10.1007/978-3-030-67664-3_2
2020
Scholarly publications
Lissandrini, M., Mottin, D., Palpanas, T., & Velegrakis, I. (2020). Example-based Exploration: Exploring Knowledge through Examples. European Semantic Web Conference.
Preti, G., Rozenshtein, P., Gionis, A., & Velegrakis, I. (2020). Mining Dense Subgraphs with Similar Edges. Paper presented at European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases.
Lissandrini, M., Mottin, D., Palpanas, T., & Velegrakis, Y. (2020). Graph-Query Suggestions for Knowledge Graph Exploration. In Y. Huang, I. King, T-Y. Liu, & M. van Steen (Eds.), WWW '20: Proceedings of The Web Conference 2020 (pp. 2549-2555). Association for Computing Machinery. https://doi.org/10.1145/3366423.3380005
Gallo, D., Lissandrini, M., & Velegrakis, Y. (2020). Personalized page rank on knowledge graphs: Particle Filtering is all you need! In A. Bonifati, Y. Zhou, M. A. Vaz Salles, A. Bohm, D. Olteanu, G. Fletcher, A. Khan, & B. Yang (Eds.), Advances in Database Technology - EDBT 2020: 23rd International Conference on Extending Database Technology, Proceedings (Vol. 2020-March, pp. 447-450). OpenProceedings.org. https://doi.org/10.5441/002/edbt.2020.54
2019
Scholarly publications
Preti, G., Rozenshtein, P., Gionis, A., & Velegrakis, Y. (2019). ExCoDE: A tool for discovering and visualizing regions of correlation in dynamic networks. In P. Papapetrou, X. Cheng, & Q. He (Eds.), Proceedings - 19th IEEE International Conference on Data Mining Workshops, ICDMW 2019 (Vol. 2019-November, pp. 1114-1117). [8955610] IEEE Computer Society Press. https://doi.org/10.1109/ICDMW.2019.00166
Paganelli, M., Guerra, F., Sottovia, P., & Velegrakis, Y. (2019). TuneR: Fine tuning of rule-based entity matchers. In CIKM 2019 - Proceedings of the 28th ACM International Conference on Information and Knowledge Management (pp. 2945-2948). Association for Computing Machinery (ACM). https://doi.org/10.1145/3357384.3357854
Lissandrini, M., Mottin, D., Palpanas, T., & Velegrakis, Y. (2019). Example-based Search: A new frontier for exploratory search. In SIGIR '19: proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval : July 21-25, 2019, Paris, France (pp. 1411-1412). Association for Computing Machinery. https://doi.org/10.1145/3331184.3331387
Sottovia, P., Paganelli, M., Guerra, F., & Velegrakis, Y. (2019). Finding Synonymous Attributes in Evolving Wikipedia Infoboxes. In T. Welzer, J. Eder, V. Podgorelec, & A. Kamišalic Latific (Eds.), Advances in Databases and Information Systems: 3rd European conference, ADBIS 2019, Bled, Slovenia, September 8-11, 2019 : proceedings (pp. 169-185). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 11695 LNCS). Springer. https://doi.org/10.1007/978-3-030-28730-6_11
Mottin, D., Lissandrini, M., Velegrakis, Y., & Palpanas, T. (2019). Exploring the data wilderness through examples. In SIGMOD 2019 - Proceedings of the 2019 International Conference on Management of Data (pp. 2031-2035). Association for Computing Machinery (ACM). https://doi.org/10.1145/3299869.3314031
2018
Scholarly publications
Lissandrini, M., Mottin, D., Velegrakis, Y., & Palpanas, T. (2018). X(2)q: Your Personal Example-based Graph Explorer. Proceedings of the VLDB Endowment, 11(12), 2026-2029. https://doi.org/10.14778/3229863.3236251
Lissandrini, M., Brugnara, M., & Velegrakis, Y. (2018). Beyond Macrobenchmarks: Microbenchmark-based Graph Database Evaluation. Proceedings of the VLDB Endowment, 12(4), 390-403. https://doi.org/10.14778/3297753.3297759
Sioutas, S., Velegrakis, Y., & Kordoni, V. (2018). Introduction to the special section on New Trends in Humanistic Informatics: Implementations and Applications. Computers and Electrical Engineering, 70, 1086-1088. https://doi.org/10.1016/j.compeleceng.2018.07.033
Sioutas, S., Velegrakis, Y., & Kordoni, V. (2018). Introduction to the special section on New Trends in Humanistic Informatics: Implementations and Applications. Computers and Electrical Engineering, 65, 425-427. https://doi.org/10.1016/j.compeleceng.2018.01.008
Preti, G., Mottin, D., Lissandrini, M., & Velegrakis, Y. (2018). Beyond frequencies: Graph Paern mining in multi-weighted graphs. In N. May, E. Rahm, R. Pichler, M. Bohlen, S-H. Wu, & K. Hose (Eds.), Advances in Database Technology - EDBT 2018: 21st International Conference on Extending Database Technology, Proceedings (Vol. 2018-March, pp. 169-180). OpenProceedings.org. https://doi.org/10.5441/002/edbt.2018.16
Papadimitriou, D., Velegrakis, Y., & Koutrika, G. (2018). Modeling and exploiting goal and action associations for recommendations. In N. May, E. Rahm, R. Pichler, M. Bohlen, S-H. Wu, & K. Hose (Eds.), Advances in Database Technology - EDBT 2018: 21st International Conference on Extending Database Technology, Proceedings (Vol. 2018-March, pp. 409-420). OpenProceedings.org. https://doi.org/10.5441/002/edbt.2018.36
Guerra, F., Velegrakis, Y., Cardoso, J., & Breslin, J. G. (2018). The KEYSTONE IC1302 COST Action. In J. Szymanski, & Y. Velegrakis (Eds.), Semantic Keyword-Based Search on Structured Data Sources - 3rd International KEYSTONE Conference, IKC 2017, Revised Selected Papers and COST Action IC1302 Reports (pp. 187-195). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 10546 LNCS). Springer. https://doi.org/10.1007/978-3-319-74497-1_19
Szymański, J., & Velegrakis, Y. (2018). Preface. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 10546 LNCS, V.
Herschel, M., & Velegrakis, Y. (2018). Front matter. Proceedings of the ACM SIGMOD International Conference on Management of Data.
Sioutas, S., Velegrakis, Y., & Kordoni, V. (2018). Introduction to the special section on New Trends in Humanistic Informatics: Implementations and Applications. Computers and Electrical Engineering, 65, 425-427. https://doi.org/10.1016/j.compeleceng.2018.01.008
2017
Scholarly publications
Cadegnani, S., Guerra, F., Ilarri, S., Rodríguez-Hernández, M. D. C., Trillo-Lado, R., Velegrakis, Y., & Amaro, R. (2017). Exploiting linguistic analysis on urls for recommending web pages: A comparative study. In A. M. Pinto, N. T. Nguyen, R. Kowalczyk, J. Cardoso, & J. Cardoso (Eds.), Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (pp. 26-45). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 10190). Springer. https://doi.org/10.1007/978-3-319-59268-8 2
Aridhi, S., Montresor, A., & Velegrakis, Y. (2017). BLADYG: A Graph Processing Framework for Large Dynamic Graphs. Big Data Research, 9, 9-17. https://doi.org/10.1016/j.bdr.2017.05.003
Beneventano, D., Guerra, F., & Velegrakis, Y. (2017). Data exploration on large amount of relational data through keyword queries. In W. W. Smari (Ed.), Proceedings - 2017 International Conference on High Performance Computing and Simulation, HPCS 2017 (pp. 70-73). [8035060] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/HPCS.2017.21
Papadimitriou, D., Koutrika, G., Velegrakis, Y., & Mylopoulos, J. (2017). Finding Related Forum Posts through Content Similarity over Intention-Based Segmentation. IEEE Transactions on Knowledge and Data Engineering, 29(9), 1860-1873. [7915736]. https://doi.org/10.1109/TKDE.2017.2699965
Mottin, D., Lissandrini, M., Velegrakis, Y., & Palpanas, T. (2017). New trends on exploratory methods for data analytics. 1977-1980. Paper presented at 43rd International Conference on Very Large Data Bases, VLDB 2017, Munich, Germany. https://doi.org/10.14778/3137765.3137824
Bykau, S., Lee, J., Srivastava, D., & Velegrakis, Y. (2017). "Tell me more" using ladders in Wikipedia. In P. Senellart, & A. Meliou (Eds.), 20th International Workshop on the Web and Databases, WebDB 2017 - Web of Opinions: Truths, Beliefs, and Confl (pp. 1-6). Association for Computing Machinery. https://doi.org/10.1145/3068839.3068847
2016
Scholarly publications
Bergamaschi, S., Ferrari, D., Guerra, F., Simonini, G., & Velegrakis, Y. (2016). Providing Insight into Data Source Topics. Journal on Data Semantics, 5(4), 211-228. https://doi.org/10.1007/s13740-016-0063-6
Sartori, E., Velegrakis, Y., & Guerra, F. (2016). Entity-based keyword search in web documents. In N. T. Nguyen, P. R. da Cunha, & R. Kowalczyk (Eds.), Transactions on Computational Collective Intelligence XXI - Special Issue on Keyword Search and Big Data (pp. 21-49). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 9630). Springer. https://doi.org/10.1007/978-3-662-49521-6_2
Papadimitriou, D., Koutrika, G., Mylopoulos, J., & Velegrakis, Y. (2016). The Goal Behind the Action: Toward Goal-Aware Systems and Applications. ACM Transactions on Database Systems, 41(4), [23]. https://doi.org/10.1145/2934666
Mottin, D., Lissandrini, M., Velegrakis, Y., & Palpanas, T. (2016). Exemplar queries: a new way of searching. VLDB Journal, 25(6), 741-765. https://doi.org/10.1007/s00778-016-0429-2
Aridhi, S., Montresor, A., & Velegrakis, Y. (2016). BLADYG: A novel block-centric framework for the analysis of large dynamic graphs. In HPGP 2016 - Proceedings of the ACM Workshop on High Performance Graph Processing, Co-located with HPDC 2016 (pp. 39-42). Association for Computing Machinery. https://doi.org/10.1145/2915516.2915525
Mottin, D., Marascu, A., Roy, S. B., Das, G., Palpanas, T., & Velegrakis, Y. (2016). A holistic and principled approach for the empty-answer problem. VLDB Journal, 25(4), 597-622. https://doi.org/10.1007/s00778-016-0431-8
Aridhi, S., Brugnara, M., Montresor, A., & Velegrakis, Y. (2016). Distributed k-core decomposition and maintenance in large dynamic graphs. In DEBS 2016 - Proceedings of the 10th ACM International Conference on Distributed and Event-Based Systems (pp. 161-168). Association for Computing Machinery. https://doi.org/10.1145/2933267.2933299
2015
Scholarly publications
Cadegnani, S., Guerra, F., Ilarri, S., Rodríguez-Hernández, M. D. C., Trillo-Lado, R., & Velegrakis, Y. (2015). Recommending web pages using item-based collaborative filtering approaches. In Y. Velegrakis, J. Cardoso, J. Cardoso, A. M. Pinto, F. Guerra, & G-J. Houben (Eds.), Semantic Keyword-Based Search on Structured Data Sources First COST Action IC1302 – International KEYSTONE Conference, IKC 2015, Revised Selected Papers (pp. 17-29). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 9398). Springer. https://doi.org/10.1007/978-3-319-27932-9_2
Kozikowski, P., Ioannou, E., Velegrakis, Y., & Guerra, F. (2015). Support of part-whole relations in query answering. In Y. Velegrakis, J. Cardoso, J. Cardoso, A. M. Pinto, F. Guerra, & G-J. Houben (Eds.), Semantic Keyword-Based Search on Structured Data Sources First COST Action IC1302 – International KEYSTONE Conference, IKC 2015, Revised Selected Papers (pp. 94-107). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 9398). Springer. https://doi.org/10.1007/978-3-319-27932-9_9
Papadimitriou, D., Velegrakis, Y., Koutrika, G., & Mylopoulos, J. (2015). Goals in Social Media, information retrieval and intelligent agents. In 2015 IEEE 31st International Conference on Data Engineering, ICDE 2015 (Vol. 2015-May, pp. 1538-1540). [7113421] IEEE Computer Society Press. https://doi.org/10.1109/ICDE.2015.7113421
Cardoso, J., Guerra, F., Houben, G. J., Pinto, A. M., & Velegrakis, Y. (2015). Preface. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 9398, V-VI.
Bykau, S., Korn, F., Srivastava, D., & Velegrakis, Y. (2015). Fine-grained controversy detection in Wikipedia. In 2015 IEEE 31st International Conference on Data Engineering, ICDE 2015 (Vol. 2015-May, pp. 1573-1584). [7113426] IEEE Computer Society Press. https://doi.org/10.1109/ICDE.2015.7113426
2014
Scholarly publications
Ioannou, E., & Velegrakis, Y. (2014). EMBench: Generating entity-related benchmark data. 113-116. Paper presented at ISWC 2014 Posters and Demonstrations Track, ISWC-P and D 2014, 13th International Semantic Web Conference, ISWC 2014, Riva del Garda, Italy.
Mottin, D., Lissandrini, M., Velegrakis, Y., & Palpanas, T. (2014). Exemplar queries: Give me an example of what you need. Proceedings of the VLDB Endowment, 7(5), 365-376. https://doi.org/10.14778/2732269.2732273
Lissandrini, M., Mottin, D., Palpanas, T., Papadimitriou, D., & Velegrakis, Y. (2014). Unleashing the power of information graphs. SIGMOD Record, 43(4), 21-26.
Haddad, M., Stevovic, J., Chiasera, A., Velegrakis, Y., & Hacid, M. S. (2014). Access control for data integration in presence of data dependencies. In Database Systems for Advanced Applications - 19th International Conference, DASFAA 2014, Proceedings (PART 2 ed., pp. 203-217). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 8422 LNCS, No. PART 2). Springer. https://doi.org/10.1007/978-3-319-05813-9_14
Mottin, D., Marascu, A., Roy, S. B., Das, G., Palpanas, T., & Velegrakis, Y. (2014). IQR: An interactive query relaxation system for the empty-answer problem. In SIGMOD 2014 - Proceedings of the 2014 ACM SIGMOD International Conference on Management of Data (pp. 1095-1098). Association for Computing Machinery (ACM). https://doi.org/10.1145/2588555.2594512
Mottin, D., Lissandrini, M., Velegrakis, Y., & Palpanas, T. (2014). Searching with XQ: The Exemplar query search engine. In SIGMOD 2014 - Proceedings of the 2014 ACM SIGMOD International Conference on Management of Data (pp. 901-904). Association for Computing Machinery (ACM). https://doi.org/10.1145/2588555.2594529
Guerrieri, A., Montresor, A., & Velegrakis, Y. (2014). Top-κ Item identification on dynamic and distributed datasets. In F. Silva, I. Dutra, & V. S. Costa (Eds.), Euro-Par 2014: Parallel Processing - 20th International Conference, Proceedings (pp. 270-281). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 8632 LNCS). Springer. https://doi.org/10.1007/978-3-319-09873-9_23
Rupino Da Cunha, P., Nguyen, N. T., Boucelma, O., Cautis, B., & Velegrakis, Y. (2014). Preface. CEUR Workshop Proceedings, 1310.
2013
Scholarly publications
Mottin, D., Marascu, A., Roy, S. B., Das, G., Palpanas, T., & Velegrakis, Y. (2013). A probabilistic optimization framework for the empty-answer problem. Proceedings of the VLDB Endowment, 6(14), 1762-1773. https://doi.org/10.14778/2556549.2556560
Ioannou, E., Rassadko, N., & Velegrakis, Y. (2013). On Generating Benchmark Data for Entity Matching. Journal on Data Semantics, 2(1), 37-56. https://doi.org/10.1007/s13740-012-0015-8
Bykau, S., Rizzolo, F., & Velegrakis, Y. (2013). A query answering system for data with evolution relationships. In SIGMOD 2013 - International Conference on Management of Data (pp. 989-992) https://doi.org/10.1145/2463676.2463687
Bergamaschi, S., Guerra, F., Interlandi, M., Trillo-Lado, R., & Velegrakis, Y. (2013). QUEST: A keyword search system for relational data based on semantic and machine learning techniques. Proceedings of the VLDB Endowment, 6(12), 1222-1225. https://doi.org/10.14778/2536274.2536281
Bergamaschi, S., Guerra, F., Interlandi, M., Rota, S., Trillo, R., & Velegrakis, Y. (2013). Using a HMM based approach for mapping keyword queries into database terms. In 21st Italian Symposium on Advanced Database Systems, SEBD 2013 (pp. 239-246). Universita Reggio Calabria and Centro di Competenza (ICT-SUD).
Mottin, D., Palpanas, T., & Velegrakis, Y. (2013). Entity ranking using click-log information. Intelligent Data Analysis, 17(5), 837-856. https://doi.org/10.3233/IDA-130609
Bedini, I., Elser, B., & Velegrakis, Y. (2013). The trento big data platform for public administration and large companies: Use cases and opportunities. Proceedings of the VLDB Endowment, 6(11), 1166-1167. https://doi.org/10.14778/2536222.2536242
Bykau, S., Koutrika, G., & Velegrakis, Y. (2013). Coping with the persistent coldstart problem. Paper presented at 7th International Workshop on Personalized Access, Profile Management, and Context Awareness in Databases, PersDB 2013, Riva del Garda, Trento, Italy.
2012
Scholarly publications
Bykau, S., Mylopoulos, J., Rizzolo, F., & Velegrakis, Y. (2012). On Modeling and Querying Concept Evolution. Journal on Data Semantics, 1(1), 31-55. https://doi.org/10.1007/s13740-012-0001-1
De Virgilio, R., Giunchiglia, F., Guerra, F., Tanca, L., & Velegrakis, Y. (2012). Introduction to the special issue on semantic web data management. Information Systems, 37(4), 291-293. https://doi.org/10.1016/j.is.2011.12.002
Hassanzadeh, O., Kementsietsidis, A., & Velegrakis, Y. (2012). Data management issues on the semantic web. 1204-1206. Paper presented at IEEE 28th International Conference on Data Engineering, ICDE 2012, Arlington, VA, United States. https://doi.org/10.1109/ICDE.2012.141
Palpanas, T., & Velegrakis, Y. (2012). DbTrento: The data and information management group at the University of Trento. SIGMOD Record, 41(3), 28-33. https://doi.org/10.1145/2380776.2380784
Bergamaschi, S., Domnori, E., Guerra, F., Rota, S., Lado, R. T., & Velegrakis, Y. (2012). Understanding the semantics of keyword queries on relational data without accessing the instance. In Semantic Search over the Web (pp. 131-158). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-25008-8_6
De Virgilio, R., Guerra, F., & Velegrakis, Y. (2012). Semantic Search over the Web. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-25008-8
Ioannou, E., Nejdl, W., Niederée, C., & Velegrakis, Y. (2012). Embracing uncertainty in entity linking. In Semantic Search over the Web (pp. 225-253). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-25008-8_9
De Virgilio, R., Guerra, F., & Velegrakis, Y. (2012). Introduction. In Semantic Search over the Web (pp. v-vi). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-25008-8
2011
Scholarly publications
Bonifati, A., & Velegrakis, Y. (2011). Schema matching and mapping: From usage to evaluation. In Advances in Database Technology - EDBT 2011: 14th International Conference on Extending Database Technology, Proceedings (pp. 527-529) https://doi.org/10.1145/1951365.1951431
Guerra, F., & Velegrakis, Y. (2011). DESWEB: Data engineering meets the semantic web - A message from the chairs. Proceedings - International Conference on Data Engineering, [5767657]. https://doi.org/10.1109/ICDEW.2011.5767657
Bergamaschi, S., Guerra, F., Rota, S., & Velegrakis, Y. (2011). A hidden Markov model approach to keyword-based search over relational databases. In Conceptual Modeling, ER 2011 - 30th International Conference, Proceedings (pp. 411-420). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 6998 LNCS). https://doi.org/10.1007/978-3-642-24606-7_31
Bergamaschi, S., Guerra, F., Rota, S., & Velegrakis, Y. (2011). Understanding linked open data through keyword searching: The KEYRY approach. In Proceedings - 1st International Workshop on Linked Web Data Management, LWDM 2011 (pp. 34-35) https://doi.org/10.1145/1966901.1966912
Sellis, T., Miller, R. J., Kementsietsidis, A., & Velegrakis, Y. (2011). SIGMOD 2011 chairs' welcome. Proceedings of the ACM SIGMOD International Conference on Management of Data.
Ioannou, E., Nejdl, W., Niederée, C., & Velegrakis, Y. (2011). LinkDB: A probabilistic linkage database system. In Proceedings of SIGMOD 2011 and PODS 2011 (pp. 1307-1309) https://doi.org/10.1145/1989323.1989483
Bergamaschi, S., Domnori, E., Guerra, F., Trillo Lado, R., & Velegrakis, Y. (2011). Keyword search over relational databases: A metadata approach. In Proceedings of SIGMOD 2011 and PODS 2011 (pp. 565-576) https://doi.org/10.1145/1989323.1989383
Katifori, A., Nikolaou, C., Platakis, M., Ioannidis, Y., Tympas, A., Koubarakis, M., Sarris, N., Tountopoulos, V., Tzoannos, E., Bykau, S., Kiyavitskaya, N., Tsinaraki, C., & Velegrakis, Y. (2011). The Papyrus digital library: Discovering history in the news. In Research and Advanced Technology for Digital Libraries - International Conference on Theory and Practice of Digital Libraries, TPDL 2011, Proceedings (pp. 465-468). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 6966 LNCS). https://doi.org/10.1007/978-3-642-24469-8_51
Bergamaschi, S., Guerra, F., Rota, S., & Velegrakis, Y. (2011). KEYRY: A keyword-based search engine over relational databases based on a Hidden Markov model. In Advances in Conceptual Modeling: Recent Developments and New Directions - ER 2011 Workshops FP-UML, MoRE-BI, Onto-CoM, SeCoGIS, Variability@ER, WISM, Proceedings (pp. 328-331). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 6999 LNCS). https://doi.org/10.1007/978-3-642-24574-9_42
Bykau, S., Mylopoulos, J., Rizzolo, F., & Velegrakis, Y. (2011). Supporting queries spanning across phases of evolving artifacts using Steiner forests. In CIKM'11 - Proceedings of the 2011 ACM International Conference on Information and Knowledge Management (pp. 1649-1658) https://doi.org/10.1145/2063576.2063815
Bergamaschi, S., Domnori, E., Guerra, F., Lado, R. T., & Velegrakis, Y. (2011). Keyword-based search in data integration systems. 103-110. Paper presented at 19th Italian Symposium on Advanced Database Systems, SEBD 2011, Maratea, Italy.
2010
Scholarly publications
Guerra, F., & Velegrakis, Y. (2010). Message from the DESWeb'10 general chairs. Proceedings - International Conference on Data Engineering, 188-189. [5452752]. https://doi.org/10.1109/ICDEW.2010.5452752
Ioannou, E., Niederée, C., & Velegrakis, Y. (2010). Enabling entity-based aggregators for web 2.0 data. In Proceedings of the 19th International Conference on World Wide Web, WWW '10 (pp. 1119-1120) https://doi.org/10.1145/1772690.1772833
Ioannou, E., Nejdl, W., Niederée, C., & Velegrakis, Y. (2010). On-the-fly entity-aware query processing in the presence of linkage. Proceedings of the VLDB Endowment, 3(1), 429-438. https://doi.org/10.14778/1920841.1920898
Bykau, S., Kiyavitskaya, N., Tsinaraki, C., & Velegrakis, Y. (2010). Bridging the gap between heterogeneous and semantically diverse content of different disciplines. In Proceedings - 21st International Workshop on Database and Expert Systems Applications, DEXA 2010 (pp. 305-309). [5591174] https://doi.org/10.1109/DEXA.2010.67
Bergamaschi, S., Domnori, E., Guerra, F., Orsini, M., Lado, R. T., & Velegrakis, Y. (2010). Keymantic: Semantic keyword-based searching in data integration systems. Proceedings of the VLDB Endowment, 3(2), 1637-1640. https://doi.org/10.14778/1920841.1921059
Velegrakis, Y. (2010). Relational technologies, metadata and RDF. In Semantic Web Information Management: A Model-Based Perspective (pp. 41-66). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-04329-1_4
Tsinaraki, C., Velegrakis, Y., Kiyavitskaya, N., & Mylopoulos, J. (2010). A context-based model for the interpretation of polysemous terms. In On the Move to Meaningful Internet Systems, OTM 2010 - Confederated International Conferences: CoopIS, IS, DOA and ODBASE, Proceedings (PART 2 ed., pp. 939-956). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 6427 LNCS, No. PART 2). https://doi.org/10.1007/978-3-642-16949-6_20
2009
Scholarly publications
Rizzolo, F., Velegrakis, Y., Mylopoulos, J., & Bykau, S. (2009). Modeling concept evolution: A historical perspective. In Conceptual Modeling - ER 2009 - 28th International Conference on Conceptual Modeling, Proceedings (pp. 331-345). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 5829 LNCS). https://doi.org/10.1007/978-3-642-04840-1_25
Fagin, R., Haas, L. M., Hernández, M., Miller, R. J., Popa, L., & Velegrakis, Y. (2009). Clio: Schema mapping creation and data exchange. In A. T. Borgida, V. K. Chaudhri, P. Giorgini, & E. S. Yu (Eds.), Conceptual Modeling: Foundations and Applications - Essays in Honor of John Mylopoulos (pp. 198-236). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 5600 LNCS). https://doi.org/10.1007/978-3-642-02463-4_12
Presa, A., Velegrakis, Y., Rizzolo, F., & Bykau, S. (2009). Modeling associations through intensional attributes. In Conceptual Modeling - ER 2009 - 28th International Conference on Conceptual Modeling, Proceedings (pp. 315-330). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 5829 LNCS). https://doi.org/10.1007/978-3-642-04840-1_24
2008
Scholarly publications
Nezhad, H. R. M., Toumani, F., & Velegrakis, Y. (2008). Preface. CEUR Workshop Proceedings, 421, 3-4.
Chiasera, A., Casati, F., Daniel, F., & Velegrakis, Y. (2008). Engineering privacy requirements in business intelligence applications. In Secure Data Management - 5th VLDB Workshop, SDM 2008, Proceedings (pp. 219-228). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 5159 LNCS). https://doi.org/10.1007/978-3-540-85259-9_15
Bergamaschi, S., Guerra, F., & Velegrakis, Y. (2008). DEXA 2008: Second international workshop on Semantic Web Architectures for Enterprises - SWAE'08. Proceedings - International Workshop on Database and Expert Systems Applications, DEXA, [4624668]. https://doi.org/10.1109/DEXA.2008.145
Morris, A., Velegrakis, Y., & Bouquet, P. (2008). Entity identification on the semantic web. In Proceedings of the 5th Workshop on Semantic Web Applications and Perspectives (SWAP2008) (Vol. 426). (CEUR Workshop Proceedings). CEUR-WS.org.
Themis, P., Junaid, C., Periklis, A., & Yannis, V. (2008). Entity data management in OKKAM. In Proceedings - DEXA 2008, 19th International Conference on Database and Expert Systems Applications (pp. 729-733). [4624805] https://doi.org/10.1109/DEXA.2008.13
Alexe, B., Tan, W. C., & Velegrakis, Y. (2008). STBenchmark: Towards a benchmark for mapping systems. Proceedings of the VLDB Endowment, 1(1), 230-244. https://doi.org/10.14778/1453856.1453886
Alexe, B., Tan, W. C., & Velegrakis, Y. (2008). Comparing and evaluating mapping systems with STBenchmark. Proceedings of the VLDB Endowment, 1(2), 1468-1471. https://doi.org/10.14778/1454159.1454203
2007
Scholarly publications
Srivastava, D., & Velegrakis, Y. (2007). Using queries to associate metadata with data. In 23rd International Conference on Data Engineering, ICDE 2007 (pp. 1451-1453). [4221823] https://doi.org/10.1109/ICDE.2007.369033
Srivastava, D., & Velegrakis, Y. (2007). Intensional associations between data and metadata. In SIGMOD 2007: Proceedings of the ACM SIGMOD International Conference on Management of Data (pp. 401-412) https://doi.org/10.1145/1247480.1247526
Srivastava, D., & Velegrakis, Y. (2007). MMS: Using queries as data values for metadata management. In 23rd International Conference on Data Engineering, ICDE 2007 (pp. 1481-1482). [4221833] https://doi.org/10.1109/ICDE.2007.369043
2006
Scholarly publications
Kotidis, Y., Srivastava, D., & Velegrakis, Y. (2006). Updates through views: A new hope. In Proceedings of the 22nd International Conference on Data Engineering, ICDE '06 (Vol. 2006). [1617370] https://doi.org/10.1109/ICDE.2006.167
2005
Scholarly publications
Velegrakis, Y., Miller, R. J., & Mylopoulos, J. (2005). Representing and querying data transformations. In Proceedings - 21st International Conference on Data Engineering, ICDE 2005 (pp. 81-92) https://doi.org/10.1109/ICDE.2005.123
2004
Scholarly publications
Velegrakis, Y., Miller, R. J., Popa, L., & Mylopoulos, J. (2004). ToMAS: A system for adapting mappings while schemas evolve. Paper presented at Proceedings - 20th International Conference on Data Engineering - ICDE 2004, Boston, MA., United States. https://doi.org/10.1109/ICDE.2004.1320090
Velegrakis, Y., Miller, R. J., & Popa, L. (2004). Preserving mapping consistency under schema changes. VLDB Journal, 13(3), 274-293. https://doi.org/10.1007/s00778-004-0136-2
Andritsos, P., Fuxman, A., Kementsletsidis, A., Miller, R. J., & Velegrakis, Y. (2004). Kanata: Adaptation and evolution in data sharing systems. SIGMOD Record, 33(4), 32-37.
2003
Scholarly publications
Velegrakis, Y., Miller, R. J., & Popa, L. (2003). Mapping adaptation under evolving schemas. In P. G. Selinger, M. J. Carey, J. C. Freytag, S. Abiteboul, P. C. Lockemann, & A. Heuer (Eds.), Proceedings - 29th International Conference on Very Large Data Bases, VLDB 2003: 29th International Conference on Very Large Databases (VLDB) (pp. 584-595). Morgan Kaufmann. https://doi.org/10.1016/B978-012722442-8/50058-6
2002
Scholarly publications
Popa, L., Hernández, M. A., Velegrakis, Y., Miller, R. J., Naumann, F., & Ho, H. (2002). Mapping XML and relational schemas with Clio. Proceedings - International Conference on Data Engineering, 498-499. https://doi.org/10.1109/ICDE.2002.994768
2000
Scholarly publications
Velegrakis, Y., Christophides, V., & Constantopoulos, P. (2000). On Z39.50 wrapping and description logics. International Journal on Digital Libraries, 3(3), 208-220. https://doi.org/10.1007/s007990000036
1999
Scholarly publications
Velegrakis, Y., Christophides, V., & Constantopoulos, P. (1999). Declarative specification of z39.50 wrappers using description logics. In S. Abiteboul, & A-M. Vercoustre (Eds.), Research and Advanced Technology for Digital Libraries - 3rd European Conference, ECDL 1999, Proceedings (pp. 383-402). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 1696). Springer. https://doi.org/10.1007/3-540-48155-9_24