The more information we have on data on which the request apply, the more efficiently we can define and use optimization rules on TGV. A Generic Annotation Model We define...
To optimize the XQuery evaluation, a search-strategy is needed. This strategy relies on rule valuation with an coefficient of improvement []. This coefficient is directed by information such as cost...
Tree Patterns Although canonization reduces the XQuery queries expression to a canonical form, XQuery modeling is a difficult exercise since XQuery provides a large set of functionalities. Moreover, we also...
This works is a resume of my works during my thesis [2]. Integrating efficiently data from the many and heterogeneous data sources on the Internet is a crucial need for...
Le projet Européen WebSI vise « la création de trois suites d’outils – Web Site Design, Service Composition et Data Integration – permettant de développer des applications web fortement consommatrices...
Le projet ACI SemWeb (2004) permet le développement d’un web sémantique. L’interrogation de grandes collections de données semi-structurées à l’aide du langage XQuery permet de définir des méthodes, des algorithmes...