Furthermore another interface (Andromeda), also integrated with Sirio, allows to browse video archives
navigating through the relations between the concepts of the ontology and providing direct access to the instances of
these concepts; this functionality is useful when a user does not have a clear idea regarding the query that he wants
to make. The Andromeda interface is based on some graphical elements typical of web 2.0 interfaces, such as the tag
cloud. The user starts selecting concepts from a tag cloud, than navigates the ontology that describes the video
domain, shown as a graph with different types of relations, and inspects the video clips that contain the instances of
the annotated concepts. Users can select a concept from the ontology graph to build a query in the advanced search
interface at any moment.
Furthermore another interface (Andromeda), also integrated with Sirio, allows to browse video archives
navigating through the relations between the concepts of the ontology and providing direct access to the instances of
these concepts; this functionality is useful when a user does not have a clear idea regarding the query that he wants
to make. The Andromeda interface is based on some graphical elements typical of web 2.0 interfaces, such as the tag
cloud. The user starts selecting concepts from a tag cloud, than navigates the ontology that describes the video
domain, shown as a graph with different types of relations, and inspects the video clips that contain the instances of
the annotated concepts. Users can select a concept from the ontology graph to build a query in the advanced search
interface at any moment.
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