The entity-relationship (ER) model, using varying notations and with some semantic
variations, is enjoying a remarkable and increasing popularity in both the research …

The relational algebra is a procedural query language for relational databases. In this paper
we survey extensions of the relational algebra that can query databases recording time …

A temporal database contains time-varying data. In a real-time database transactions have
deadlines or timing constraints. In this paper we review the substantial research in these two …

The time index—an access structure for temporal data | Proceedings of the sixteenth
international conference on Very large databases skip to main content ACM Digital Library …

Following in the tradition of its popular predecessor, the Manual of Geospatial Science and
Technology, Second Edition continues to be the authoritative volume that covers all aspects …

This paper summarizes the major concepts, approaches, and implementation strategies that
have been generated over the last fifteen years of research into data base management …

This paper investigates the development of temporal GIS and its applicability to support
spatio-temporal modeling. Many GIS data models have been proposed to incorporate …

To add time support to the relational model, both first normal form (1NF) and non-1NF data
models have been proposed. Each has associated advantages and disadvantages. For …

As the development of Geographic Information Systems (GIS) proceeds to advanced
scientific and societal applications, there is an emerging need to enhance GIS support for …

This paper provides a systematic and comprehensive study of the underlying semantics of
temporal databases, summarizing the results of an intensive collaboration between the two …