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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

    Temporality in Databases

    Temporality, or the time dimension is an essential aspect of the reality databases attempt to model and keep data about. However, in many database applications temporal data is treated in a rather ad hoc manne...

    Abdullah Uz Tansel in Advances in Information Systems (2005)

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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)