Kamel Boukhalfa
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Multi-objective Optimization of Data Placement in a Storage-as-a-Service Federated Cloud Open
Cloud federation enables service providers to collaborate to provide better services to customers. For cloud storage services, optimizing customer object placement for a member of a federation is a real challenge. Storage, migration, and l…
Deep interpretable architecture for plant diseases classification Open
Recently, many works have been inspired by the success of deep learning in computer vision for plant diseases classification. Unfortunately, these end-to-end deep classifiers lack transparency which can limit their adoption in practice. In…
A Cost Model for Hybrid Storage Systems in a Cloud Federations Open
International audience
Fuzzy Ontology-based Approach for the Requirements Query Imprecision Assessment in Data Warehouse Design Process near Negative Fuzzy Operator Open
The vagueness in decision-making may be due to ambiguity in the decisional requirements expression.Therefore, in the literature dealing with vagueness in decision systems, studies were concentrated on data vagueness and not on decision req…
Data Cubes Retrieval and Design in OLAP Systems: From Query Analysis to Visualisation Tool Open
Business intelligence systems provide an effective solution from large volumes of data for multidimensional online computing and analysis. Usually, in a decision-making process, organisations and enterprises, require several internal and/o…
Design and Implementation of Falling Star - A Non-Redudant Spatio-Multidimensional Logical Model for Document Stores Open
International audience
Optimizing Druid with Roaring bitmaps Open
In the current Big Data era, systems for collecting, storing and efficiently exploiting huge amounts of data are continually introduced, such as Hadoop, Apache Spark, Dremel, etc. Druid is one of theses systems especially designed to manag…