First uniform treatment of moving objects databases, the technology that supports GPS and RFID data analysis.

Because efficient compilation of information allows managers and business leaders to make the best decisions for the financial solvency of their organizations,

This volume constitutes the refereed proceedings of the 11th International Symposium on Spatial and Temporal Databases, SSTD 2009, held in Aalborg, Denmark, in

We live in an age of rapid technological development. The Internet already affects our lives in many ways. Indeed, we continue to depend more, and more intrinsi

Introduced forty years ago, relational databases proved unusually succe- ful and durable. However, relational database systems were not designed for modern appl