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This paper deals with an annotation-based decisional system. The decisional system we present is based on multidimensional databases, which are composed of facts, dimensions, measures, hierarchies and parameters. The expertise of decision-makers is modelled, shared and stored through annotations. These annotations allow decision-makers to make an active(More)
Nowadays, organizational members manage the huge amount of digital documents that they exploit at work. To do that, they organize documents into individual hierarchies. Actually, these documents are really parts of a company's capital as they reflect past experiences, present competences and impending expertise. Unfortunately, even if corporate documents(More)
The plethora of data warehouse solutions has created a need comparing these solutions using experimental benchmarks. Existing benchmarks rely mostly on the relational data model and do not take into account other models. In this paper, we propose an extension to a popular benchmark (the Star Schema Benchmark or SSB) that considers non-relational NoSQL(More)
` A l'heure actuelle, de nombreuses organisations souffrent d'une overdose informationnelle : les individus accèdent et conservent quotidien-nement une quantité croissante de documentsélectroniques. De plus, les efforts individuels de recherche mis en oeuvre ne sont pas rentabilisés et valorisés par une diffusion adaptée. Pourtant, la gestion rationnelle(More)
Product or company names used in this set are for identification purposes only. Inclusion of the names of the products or companies does not indicate a claim of ownership by IGI Global of the trademark or registered trademark. Includes bibliographical references and index. Summary: "This book deals with the improvement of user modeling in the context of(More)
Searching information on the Web requires patience and perseverance. A user who is looking for some information should be lucky or experimented… The traditional way to search relevant information on the Web is to use a search engine. A search engine answers a user's query which represents his information needs with (relevant) documents. But a Web(More)