| http://www.w3.org/ns/prov#value | - Specifically, the playing information at least expresses, for each of the subject matter data files, the time at which the corresponding data are to begin to be played (i.e. in relation to the start of playing the hypervideo data), and the position and size of the display screen region in which the data are to be displayed (in the case of data other than audio data).
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