Federated SPARQL queries allow to query multiple interlinked datasets hosted by remote
SPARQL endpoints. However, finding federated queries over a growing number of datasets …

The Triple Pattern Fragment (TPF) approach is de-facto a new way to publish Linked Data at
low cost and with high server availability. However, data providers hosting TPF servers are …

Following the principles of Linked Data, data providers published billions of facts as RDF
data. Executing SPARQL queries over SPARQL endpoints or Triple Pattern Fragments (TPF) …

The Triple Pattern Fragments (TPF) interface demonstrates how it is possible to publish
Linked Data at low-cost while preserving data availability. But, data providers hosting TPF …

The Triple Pattern Fragment (TPF) approach is de-facto a new way to publish Linked Data at
low cost and with high server availability. However, data providers hosting TPF servers are …

Protecting user data in distributed systems nowadays is very dicult. In this thesis, we focus
on various issues related to the protection of user data on distributed data management …

In this research, we are interested in investigating issues related to query evaluation and
optimization in the framework of aggregated search. Aggregated search is a new paradigm …

Federated SPARQL query processing allows to query multiple interlinked datasets hosted
by remote SPARQL endpoints. However, finding pertinent federated queries over a growing …

Le sujet de cette thèse s' inscrit dans le cadre général de la Recherche d'Information et la
gestion des données massives et distribuées. Notre problématique concerne l'évaluation et …