The LEMO annotation framework: weaving multimedia annotations with the web |
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Authors: | Bernhard Haslhofer Wolfgang Jochum Ross King Christian Sadilek Karin Schellner |
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Affiliation: | (1) Department of Distributed and Multimedia Systems, University of Vienna, Vienna, Austria;(2) Digital Memory Engineering, Austrian Research Centers GmbH, ARC, Seibersdorf, Austria;(3) Vienna, Austria |
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Abstract: | Cultural institutions and museums have realized that annotations contribute valuable metadata for search and retrieval, which
in turn can increase the visibility of the digital items they expose via their digital library systems. By exploiting annotations
created by others, visitors can discover content they would not have found otherwise, which implies that annotations must
be accessible and processable for humans and machines. Currently, however, there exists no widely adopted annotation standard
that goes beyond specific media types. Most institutions build their own in-house annotation solution and employ proprietary
annotation models, which are not interoperable with those of other systems. As a result, annotation data are usually stored
in closed data silos and visible and processable only within the scope of a certain annotation system. As the main contribution
of this paper, we present the LEMO Annotation Framework. It (1) provides a uniform annotation model for multimedia contents
and various types of annotations, (2) can address fragments of various content-types in a uniform, interoperable manner and
(3) pulls annotations out of closed data silos and makes them available as interoperable, dereferencable Web resources. With
the LEMO Annotation Framework annotations become part of the Web and can be processed, linked, and referenced by other services.
This in turn leads to even higher visibility and increases the potential value of annotations. |
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Keywords: | Annotations Semantics Interoperability Fragment identification Multimedia Web |
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