Semantic data models have emerged from a requirement for more expressive conceptual
data models. Current generation data models lack direct support for relationships, data …

This paper compares different indexing techniques proposed for supporting efficient access
to temporal data. The comparison is based on a collection of important performance criteria …

Time in Geographic Information Systems Page 1 Time in Geographic Information Systems
Page 2 Technical Issues in Geographic Information Systems Series Editors: Donna J. Peuquet …

The goal of the Tsimmis Project is to develop tools that facilitate the rapid integration of
heterogeneous information sources that may include both structured and unstructured data …

Moving Objects Databases is the first uniform treatment of moving objects databases, the
technology that supports GPS and RFID. It focuses on the modeling and design of data from …

A new domain-independent knowledge-based inference structure is presented, specific to
the task of abstracting higher-level concepts from time-stamped data. The framework …

Recently, attention has been focused on temporal databases, representing an enterprise
over time. We have developed a new language, Tquel, to query a temporal database. TQuel …

We propose a data model for representing moving objects in database systems. It is called
the Moving Objects Spatio-Temporal (MOST) data model. We also propose Future Temporal …

Consider a database that represents information about moving objects and their location.
For example, for a database representing the location of taxi-cabs a typical query may be …

Trio is a new database system that manages not only data, but also the accuracy and
lineage of the data. Approximate (uncertain, probabilistic, incomplete, fuzzy, and imprecise!) …