Using Shannon Entropy in ETL Processes. - Marian Razvan Balta; Victor Felea (SYNASC, 2007)

On Equivalence of Queries Using Views. - Victor Felea; Marian Razvan Balta (SYNASC, 2007)

Expansions and Equivalence of Queries Using Views with Parameters and Negation. - Victor Felea; Marian Razvan Balta (SYNASC, 2008)