Using SMIL to encode interactive, peer-level multimedia annotations

  • Authors:

  • Dick C. A. Bulterman

  • Affiliations:

  • CWI: Centrum voor Wiskunde en Informatica, Amsterdam, The Netherlands

  • Venue:
  • Proceedings of the 2003 ACM symposium on Document engineering
  • Year:
  • 2003

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Abstract

This paper discusses applying facilities in SMIL 2.0 to the problem of annotating multimedia presentations. Rather than viewing annotations as collections of (abstract) meta-informa-tion for use in indexing, retrieval or semantic processing, we view annotations as a set of peer-level content with temporal and spatial relationships that are important in presenting a coherent story to a user. The composite nature of the collection of media is essential to the nature of peer-level annotations: you would typically annotate a single media item much differently than that same media item in the context of a total presentation.This paper focuses on the document engineering aspects of the annotation system. We do not consider any particular user interface for creating the annotations or any back-end storage architecture to save/search the annotations. Instead, we focus on how annotations can be represented within a common document architecture and we consider means of providing docu-ment facilities that meet the requirements of our user model. We present our work in the context of a medical patient dossier example.