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    Chapter and Conference Paper

    Nested Bitemporal Relational Algebra

    We introduce a nested bitemporal relational data model that allows arbitrary levels of nesting. Bitemporal data is attached to attributes. The fundamental construct for representing temporal data is a bitempor...

    Abdullah Uz Tansel, Canan Eren Atay in Computer and Information Sciences – ISCIS 2006 (2006)

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    Chapter and Conference Paper

    Temporal Data Modeling and Integrity Constraints in Relational Databases,

    We address the key issues of temporal data modeling and temporal integrity constraints in the temporal extensions to the relational data model in attribute and tuple time stam**. These issues include represe...

    Abdullah Uz Tansel in Computer and Information Sciences - ISCIS 2004 (2004)

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    Chapter

    Expressive power of temporal relational query languages and temporal completeness

    In this paper, we consider the representation of temporal data based on tuple and attribute timestam**. We identify the requirements of temporal data and elaborate on their implications. We introduce a tempo...

    Abdullah Uz Tansel, Erkan Tin in Temporal Databases: Research and Practice (1998)