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Hypergraphes multimédias dirigés navigables : construction et exploitation

Rémi Bois 1
1 LinkMedia - Creating and exploiting explicit links between multimedia fragments
Inria Rennes – Bretagne Atlantique , IRISA-D6 - MEDIA ET INTERACTIONS
Abstract : This thesis studies the structuring and exploration of news collections. While its main focus is on natural language processing and multimedia retrieval, it also deals with social studies through the study of the production of news and ergonomy through the conduct of user tests. The task of hyperlinking, which was recently put forward by the multimedia retrieval community, is at the center of this thesis. Hyperlinking consists in automatically finding relevant links between multimedia segments. We apply this concept to whole news collections, resulting in the creation of an hypergraph, and study the topological properties of the resulting structure. In this thesis, we provide improvements on the state of the art along three main axes: a structuring of news collections by mean of multisources and multimodal graphs based on the creation of inter-document links, its association with a large diversity of links allowing to represent the variety of interests that different users may have, and a typing of the created links in order to make the nature of the relation between two documents explicit. Extensive user studies confirm the interest of the methods developed in this thesis.
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Submitted on : Sunday, March 25, 2018 - 1:25:54 PM
Last modification on : Tuesday, October 19, 2021 - 11:04:39 AM
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  • HAL Id : tel-01734657, version 3


Rémi Bois. Hypergraphes multimédias dirigés navigables : construction et exploitation. Multimédia [cs.MM]. Université de Rennes 1, 2017. Français. ⟨tel-01734657v3⟩



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