Is Peritext a Key for Audiovisual Documents? The Use of Texts Describing Television Programs to Assist Indexing

In the INA (Institut national de l'audiovisuel, the French National Broadcasting Institute), indexers work on audiovisual document retrieval. Because of the problem of variability and cost in the indexing process, we are trying to provide new assistance to access the audiovisual document by introducing new textual information on the digital support.