Hanen Belhaj Frej

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We consider a publish/subscribe system for digital libraries which continuously evaluates queries over a large repository containing document descriptions. The subscriptions, the query expressions and the document descriptions, all rely on a taxonomy that is a hierarchically organized set of keywords, or terms. The digital library supports insertion, update(More)
We consider a publish/subscribe system for digital libraries which continuously evaluates queries over a large repository containing document descriptions. The subscriptions, the query expressions and the document descriptions, all rely on a taxonomy that is a hierarchically organized set of keywords, or terms. The digital library supports insertion, update(More)
We consider a subscription system for digital libraries that offers personalized services to users. The digital library provides access to documents whose content is described using terms from a predefined taxonomy that is a set of terms together with a subsumption relation between terms. The same taxonomy is also used to express the users profiles that(More)
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