Building Conceptual Schemas by Refining General Ontologies. - Jordi Conesa; Xavier de Palol; Antoni Olivé (DEXA, 2003)

On the Midpoint of a Set of XML Documents. - Alberto Abelló; Xavier de Palol; Mohand-Said Hacid (DEXA, 2005)

Approximating the Schema of a Set of Documents by Means of Resemblance. - Alberto Abelló; Xavier de Palol; Mohand-Saïd Hacid (J. Data Semant., 2018)