518 citations
- Université Toulouse III - Paul SabatierFR332 papers
- Institut de Recherche en Informatique de ToulouseFR331 papers
- Université Toulouse - Jean JaurèsFR329 papers
- Institut Polytechnique de BordeauxFR326 papers
- Centre National de la Recherche ScientifiqueFR159 papers
- Université Fédérale de Toulouse Midi-PyrénéesFR78 papers
- Université de ToulouseFR51 papers
- Institut National Polytechnique de ToulouseFR43 papers
- Toulouse School of EconomicsFR31 papers
- École Nationale Supérieure d'Électrotechnique, d'Électronique, d'Informatique, d'Hydraulique et des TélécommunicationsFR20 papers
- Institut national de recherche en sciences et technologies du numériqueFR16 papers
- Institut de Mathématiques de ToulouseFR15 papers
15 papers · 1 filter
Equi join query acceleration using algebraic signatures (Published at IADIS'2008 Applied Computing conf.)
Riad Mokadem, Abdelkader Hameurlain, Franck Morvan
Evaluation of join queries is very challenging since they have to deal with an increasing data size. We study the relational join query processing realized by hash tables and we fo…
Dimensional Data KNN-Based Imputation
Yuzhao Yang, Jérôme Darmont, Franck Ravat +1
Data Warehouses (DWs) are core components of Business Intelligence (BI). Missing data in DWs have a great impact on data analyses. Therefore, missing data need to be completed. Unl…
Relational Databases Ingestion into a NoSQL Data Warehouse
Fatma Abdelhedi, Rym Jemmali, Gilles Zurfluh
The digital transformation of companies has led to the evolution of databases towards Big Data. Our work is part of this context and concerns more particularly the mechanisms to ex…
Internal Data Imputation in Data Warehouse Dimensions
Yuzhao Yang, Fatma Abdelhedi, Jérôme Darmont +2
Missing values occur commonly in the multidimensional data warehouses. They may generate problems of usefulness of data since the analysis performed on a multidimensional data ware…
An Automatic Schema-Instance Approach for Merging Multidimensional Data Warehouses
Yuzhao Yang, Jérôme Darmont, Franck Ravat +1
Using data warehouses to analyse multidimensional data is a significant task in company decision-making.The data warehouse merging process is composed of two steps: matching multid…
Data Lake Ingestion Management
Yan Zhao, Imen Megdiche, Franck Ravat
Data Lake (DL) is a Big Data analysis solution which ingests raw data in their native format and allows users to process these data upon usage. Data ingestion is not a simple copy…