Compressed document surrogates

G - Physics – 06 – F

Patent

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Details

G06F 17/30 (2006.01) H04L 12/24 (2006.01)

Patent

CA 2711793

Disclosed is a method and device for storing information about Web documents such as pages or sites in a manner which may be used in conjunction with inverted term lists to facilitate the retrieval of documents of interest from the Web. The method involves constructing compressed surrogates for documents, such that various operations may be performed without the need to retrieve a copy of the document from the Web. The method permits the efficient updating of inverted term lists when documents on the Web have been modified or deleted, and also permits the efficient processing of search queries in a variety of circumstances.

La présente divulgation décrit une méthode et un dispositif de stockage des données de documents Web, comme des pages ou des sites, de manière à appliquer cette méthode concurremment avec des listes de termes inversées, pour faciliter la récupération de documents d'intérêt du Web. Ladite méthode implique la création d'entités de substitution comprimées pour des documents, de sorte que diverses opérations puissent être effectuées sans nécessiter la récupération d'une copie du document à partir du Web. La méthode permet la mise à jour efficace de listes de termes inversées, lorsque des documents Web ont été modifiés ou supprimés, et elle permet aussi le traitement efficace des interrogations de recherche, dans diverses circonstances.

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