| http://www.w3.org/ns/prov#value | - Installation (triggers may include at the beginning, during or just after product installation; to test components of the steps involved in installation, such as the user interface and any problems encountered), Frequency of use (triggers are based on frequency of use, such as during each Nth use of the product; this may be a self-adjusting algorithm that is linked to the clock/calendar circuit, s
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