Texmix: An automatically generated news navigation portal

International audienceThe Texmix demonstration presents an original interface to navigate a collection of broadcast news shows, exploiting speech transcription, natural language processing and image retrieval techniques. Navigation is performed through keywords search or through time or through maps, with links automatically created either between reports to follow the story or to the Web to know more about a story, a person or a fact. Image search technology is also integrated to find portions of the collection with similar images. We also present two original features to dynamically access videos, namely dynamic summary and geotaggin