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Grid technology allows resource sharing among several entities, but selecting the best resource to run a specific job remains one of its main problems. The challenges for the best resource selection involve analysis of several factors such as prediction time to run a job, access restriction to resources, and cost to use resources. This paper presents a… (More)
The project selection for portfolio management in the governmental sphere is not associated with project financial return, but necessarily involves public benefits. The literature is extensive for portfolio selection when the financial approach is crucial, but little is discussed about selecting projects from the standpoint of public policies. This paper… (More)
This paper discusses strategies issues for negotiating price and QoS guarantees between telecommunication companies, ISP (Internet Service Provider) and Internet users. There is an increase in telecom infrastructure cost when QoS guarantees are offered and, consequently, a conflict between providers and users of the system arises. Another important question… (More)
Deduplication technology, which prevents storage redundancy, is more effective if backup strategies are associated to the input data type. This paper empirically compares a traditional backup environment before and after deduplication implementation. It also analyzes time and space improvements and defines a context-aware taxonomy.