A Logical Model for Multiversion Data Warehouses. - Waqas Ahmed 003; Esteban Zimányi; Robert Wrembel (DaWaK, 2014)

Querying Multiversion Data Warehouses. - Waqas Ahmed 003; Esteban Zimányi (ADBIS (Short Papers and Workshops), 2015)

Temporal DataWarehouses: Logical Models and Querying. - Waqas Ahmed 003; Esteban Zimányi; Robert Wrembel (EDA, 2015)

Requirements Engineering for Data Warehouses (RE4DW): From Strategic Goals to Multidimensional Model. - Azadeh Nasiri; Waqas Ahmed 003; Robert Wrembel; Esteban Zimányi (ER Workshops, 2017)

From Indicators to Predictive Analytics: A Conceptual Modelling Framework. - Azadeh Nasiri; Soroosh Nalchigar; Eric S. K. Yu; Waqas Ahmed 003; Robert Wrembel; Esteban Zimányi (PoEM, 2017)

A Temporal Multidimensional Model and OLAP Operators. - Waqas Ahmed 003; Esteban Zimányi; Alejandro A. Vaisman; Robert Wrembel (Int. J. Data Warehous. Min., 2020)

Schema Evolution in Multiversion Data Warehouses. - Waqas Ahmed 003; Esteban Zimányi; Alejandro A. Vaisman; Robert Wrembel (Int. J. Data Warehous. Min., 2021)

Reconciling tuple and attribute timestamping for temporal data warehouses. - Waqas Ahmed 003; Leticia I. Gómez; Alejandro A. Vaisman; Esteban Zimányi (VLDB J., 2025)