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Though widely utilized for facilitating image management , user-provided image tags are usually incomplete and insufficient to describe the whole semantic content of corresponding images, resulting in performance degradations in tag-dependent applications and thus necessitating effective tag completion methods. In this paper, we propose a novel scheme(More)
In the services era, evaluation of existing services and planning for new services according to user requirements are key activities that need systematic support. This paper proposes a requirements-driven evaluation framework for Internetware-based services, with respect to both their functionality and risk. In particular, we offer an account of how to(More)