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Theses

Contributions à la modélisation, évaluation et conception de systèmes de recherche d'information en pair-à-pair

Abstract : This PhD thesis develops an original vision of Peer-to-Peer Information Retrieval Systems. Based on this vision, we ropose a set of tools for a better evaluation and conception of P2P-IR systems.Synthetically, on the one hand, evaluating means understanding which system behaves well in which context ; how different components/aspects of a single system contribute to its performance ; how modifications of the system can make its performance evolve. On the other hand, considering design of P2P-IR systems, we would like to be able to choose a P2P approach based on what is known about the context the application will execute in (data set, network properties...) ; understand how to mix P2P systems ; better control the impact of a modification of the implementation of a system on its behavior an performance.We believe those concerns of evaluation and design are strongly related. There is a common need to improve on both directions : better understand the architecture of P2P-IR systems. On the basis of our reflexion, we consider a P2P-IR system is the implementation in P2P of an IR system, which contrasts with the traditional two-layered vision. We use this idea to give a set of definitions that help better understand the different RI and P2P components of a single system and their relationships. We then show how this vision can be used to help design new systems.
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  • HAL Id : tel-00616760, version 1

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Jérôme Sicard. Contributions à la modélisation, évaluation et conception de systèmes de recherche d'information en pair-à-pair. Autre [cs.OH]. Institut National des Télécommunications, 2010. Français. ⟨NNT : 2010TELE0026⟩. ⟨tel-00616760⟩

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