4 citations · 6 across the 6 of their papers we have counts for
4 papers · 1 filter
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…
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…
Automatic Integration Issues of Tabular Data for On-Line Analysis Processing
Yuzhao Yang, Jérôme Darmont, Franck Ravat +1
Companies and individuals produce numerous tabular data. The objective of this position paper is to draw up the challenges posed by the automatic integration of data in the form of…