Data analysts need to understand the quality of data in the warehouse. This is often done by issuing many Group By queries on the sets of columns of interest. Since the volume of ...
Database technology and the Structured Query Language (SQL) have grown enormously in recent years. Applications from different domains have different requirements for using databa...
This paper presents a low-cost and secure authentication protocol to reduce the computational load on both the back-end database and the tags in a distributed RFID system. The prop...
JaeCheol Ha, Hwankoo Kim, JeaHoon Park, Sang-Jae M...
Current approaches for answering queries with imprecise constraints require users to provide distance metrics and importance measures for attributes of interest. In this paper we ...
: This paper brings together two research areas, i.e. “Data Warehouses” and “Temporal Databases”, involving representation of time. Looking at temporal aspects within a dat...