In peer-to-peer data management systems query allocation is a critical issue for the good operation of the system. This task is challenging because participants may prefer to perf...
During data warehouse design, the designer frequently encounters the problem of choosing among different alternatives for the same design construct. The behavior of the chosen desi...
George Papastefanatos, Panos Vassiliadis, Alkis Si...
Abstract— As the Web has evolved into a data-rich repository, with the standard “page view,” current search engines are becoming increasingly inadequate. To realize data-awar...
The Context Interchange Project presents a unique approach to the problem of semantic conflict resolution among multiple heterogeneous data sources. The system presents a semantic...
We present a case study that aims at quantitative assessment of the impact of requirements changes, and quantitative estimation of costs of the development activities that must be ...