Niki Pissinou

University of Nevada, Las Vegas, Southwestern University

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About

Niki Pissinou is a pioneering researcher in temporal object databases, a field that addresses the critical challenge of managing time-varying information within object-oriented data systems. Her most influential work, the 1993 paper "A Unified Model and Methodology for Temporal Object Databases," introduces the groundbreaking Temporal Three Dimensional Information Space model, which seamlessly integrates time as a fundamental dimension alongside objects and attributes. This model, built on a small set of simple yet powerful principles, provides a coherent framework for representing, querying, and evolving temporal data—a contribution that has shaped subsequent research in temporal databases. With 11 citations, this paper remains a foundational reference for scholars exploring time-aware data management. Pissouin further advanced the field with her 1994 work on a coherent architecture for temporal object database management systems, laying the groundwork for practical implementations. Her research has had lasting impact, enabling more sophisticated handling of historical data in applications ranging from scientific computing to business intelligence. As a thought leader in temporal data modeling, Pissinou’s work continues to inspire new generations of database researchers seeking to capture the dynamic nature of information over time.