Journal: Data \& Knowledge Engineering

Volume 70, Issue 2

167 -- 181Juan A. Fernández del Pozo, Concha Bielza. Dealing with complex queries in decision-support systems
182 -- 207Pilar Nieto, Dolors Costal, Cristina Gómez. Enhancing the semantics of UML association redefinition
208 -- 229Georgios John Fakas. A novel keyword search paradigm in relational databases: Object summaries
230 -- 247Zhijiao Xiao, Zhong Ming. A method of workflow scheduling based on colored Petri nets