23rd International Database Engineering & Applications Symposium IDEAS 2019 will be hosted by Harokopio University, June 10-12, 2019 Athens, Greece Call for Track(special sessions) Papers The following tracks form part of the annual IDEAS conference: a top international forum for data engineering researchers, practitioners, developers, and application users to explore revolutionary ideas and results, and to exchange techniques, tools, and experiences. Big Data and Climate Change Impact Data Sharing, Security and Privacy Distributed Ledger Technology and Blockchain Industrial Papers/Reports On the Classic Case Pattern Mining Privacy in the Age Of Information The details for each track are given in the corresponding pages reached from: http://confsys.encs.concordia.ca/IDEAS/ideas19/ideas19.php Important Dates April 12, 2019: Papers submission EXTENDED deadline: ++plus grace period May 2, 2019: Notification of acceptance May 25, 2019: Camera-ready deadline (Final Version of accepted submissions) When submitting a paper, pl. select the appropriate track unless you are submitting to the main event (indicated by "General Pool"). Conference Publication The conference proceedings will be published by ACM in their digital library; the ISBN assigned by ACM to IDEAS'2019 is: 978-1-4503-6249-8 Please see ACM's copyright policy at: https://www.acm.org/publications/policies/copyright-policy. ACM templates for the final version are at: https://www.acm.org/publications/proceedings-template. A version of the proceedings to be distributed to the conference attendees would be prepared by BytePress. Organized by Harokopio University of Athens, with the cooperation of ACM, BytePress.org and ConfSys.org. Track chairs: Martine Collard, Université des Antilles, France Francesco Buccafurri, Mediterranea University of Reggio Calabria, IT Roberto Nardone, Mediterranea University of Reggio Calabria, IT Rui Chen, Samsung, Min Xie Walmart Labs Tongyuan Wang TechEngine Plus Com Bipin C. Desai, Concordia University, Montreal Richard Chbeir, University Pau & Pays Adour, France Mahmoud Barhamgi, Claude Bernard Lyon I University, France Béchara Albouna, University Antonine – Ticket, Lebanon General Chairs: . Bipin C. Desai, Concordia University, Montreal Dimosthenis Anagnostopoulos, Harokopio University of Athens; Program Chairs: Yannis Manolopoulos, Open University of Cyprus Mara Nikolaidou, Harokopio University of Athens, Local Chair: George Dimitrakopoulos, Harokopio University of Athens Dimitris Michail, Harokopio University of Athens, IDEAS Steering Committee Desai, Bipin C. (Chair) Concordia University McClatchey, Richard University of the West of England, Bristol Ng, Wilfred Hong Kong University of Science and Technology Pokorny, Jaroslav Charles University Toyama, Motomichi Keio University Ullman, Jeffrey Stanford University