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- W2031812309 abstract "La recherche de connaissances dans des donnees structurees a fait l'objet de nombreux travaux de recherche ces dernieres annees. Cependant, avec la popularite du Web, le nombre de documents semi structures augmente tres rapidement et il est judicieux de penser qu'une requete sur la structure des documents devient aussi importante qu'une requete sur les donnees elles memes. Dans cet article nous proposons une approche pour extraire de telles sous structures. De plus, les donnees evoluant sans cesse, nous etendons l'approche pour prendre en compte l'evolution de ces donnees sources dans le cadre d'un processus d'extraction. Enfin, nous montrons qu'il est possible d'analyser finement les tendances au cours des differentes evolutions des donnees sources. ABSTRACT. Mining knowledge from structured data has been extensively addressed in the few past years. However, with the growing popularity of the Web, the number of semi structured documents available is rapidly increasing and it is judicious to assume that a query on document structure is almost as important as a query on data. In this paper, we propose an approach to extract such structures. Moreover, manipulated data is constantly being updated; we extend our approach to take into account source evolutions in a knowledge extraction process. Finally, we show that it is possible to analyze trends during the different data sources evolutions. MOTS-CLES : donnees semi structurees, extraction de connaissances, evolutions des sources de donnees, tendances." @default.
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- W2031812309 date "2003-12-24" @default.
- W2031812309 modified "2023-10-16" @default.
- W2031812309 title "Données semi-structurées. Découverte, maintenance et analyse de tendances" @default.
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- W2031812309 doi "https://doi.org/10.3166/isi.8.5-6.49-78" @default.
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