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This document specifies a set of representational primitives and semantic relations needed for an unambiguous representation of explicit time-related expressions in health informatics. This document does not introduce or force a specific ontology of time, nor does it force the use of a fixed representation scheme for such an ontology. Rather this document provides a set of principles for…

1 Scope 1.1 Purpose This International Standard establishes a framework for comparison of schemes for certifying software engineering professionals. A certification scheme is a set of certification requirements for software engineering professionals. This International Standard specifies the items that a scheme is required to contain and indicates what should be defined for each item. 1.2 Field…

The level of water stress (freshwater withdrawal as a proportion of available freshwater resources) is steadily increasing worldwide. A single use of water is increasingly perceived as an underutilization of a valuable resource and as an environmentally unsustainable practice. Population growth is driving an increasing competition for freshwater between agriculture and urban areas, as well as…