The SMIL 2.0 Language profile support several mechanisms for controlling interactivity in a SMIL 2.0 presentation. Unfortunately, the SMIL standard testset does not verify complex interactions of linking/interaction behavior of SMIL players and applications. This paper describes a linking and interaction test suite that was developed as part of the Ambulant SMIL Player project. We begin with a short review of SMIL’s linking and interaction facilities, then describe aspects of the test suite that have proven to highlight faults in current SMIL players.
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ACM
Proceedings ACM Hypertext
ACM Conference on Hypertext and Hypermedia
Distributed and Interactive Systems

Bulterman, D. (2004). A Linking and Interaction Evaluation Test Set for SMIL. In Proceedings ACM Hypertext 2004 (pp. 96–102). ACM.