Information Management Technologies for Big Data: A Case of Oracle. - Kalinka Kaloyanova; Tsvetomir Hristov; Ina Naydenova; Zlatinka Kovacheva (AWICT, 2017)

Graph Database Watermarking Using Pseudo-Nodes. - Tsvetomir Hristov; Devris Isler; Nikolaos Laoutaris; Zekeriya Erkin (DEC@SIGMOD, 2023)