the basis of its approach the univocal relation between the term and the concept it names, so that one term names one … concept. The special nature of the concept in economics makes room for mutations in this univocal relation, due to two reasons … sciences, the concept can be culturally / ideologically loaded, which is conducive to ambiguity; b. the concept may be subject …

, and focuses, (2) correct and effective performance evaluation models, (3) well-defined performance metrics, and (4) cost … metrics for software components and systems, including processing speed, utilization, throughput, reliability, availability …, and scalability metrics. Most of the performance metrics covered here can be considered as the application of existing …

relevant in centralized environments, such as data fragmentation and replication. Designing a distributed database system also … allocation on different sites is closely related to data replication in distributed databases. In this paper we will concentrate …