518 citations
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Showing 2022 · cs.DBShow all
2 papers · 2 filters
cs.DB2022★ 4 cited
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…
cs.DB2022★ 4 cited
CQE in OWL 2 QL: A "Longest Honeymoon" Approach (extended version)
Piero Bonatti, Gianluca Cima, Domenico Lembo +4
Controlled Query Evaluation (CQE) has been recently studied in the context of Semantic Web ontologies. The goal of CQE is concealing some query answers so as to prevent external us…