Multi-model Database Management Systems - A Look Forward. - Zhen Hua Liu; Jiaheng Lu; Dieter Gawlick; Heli Helskyaho; Gregory Pogossiants; Zhe Wu (Poly/DMAH@VLDB, 2018)

Towards Automating Database Designing. - Heli Helskyaho (FRUCT, 2023)

An Evaluation Framework for Validating the Quality of a Data Vault 2.0 Data Model. - Heli Helskyaho; Marko Helskyaho; Laura Ruotsalainen; Tomi Männistö (FRUCT, 2024)