@article{CSIS_2018_15_3_a19, author = {Jovana Vidakovi\'c and Sonja Risti\'c and Slavica Kordi\'c and Ivan Lukovi\'c}, title = {Extended {Tuple} {Constraint} {Type} as a {Complex} {Integrity} {Constraint} {Type} in {XML} {Data} {Model} {\textendash} {Definition} and {Enforcement}}, journal = {Computer Science and Information Systems}, publisher = {mathdoc}, volume = {15}, number = {3}, year = {2018}, url = {http://geodesic.mathdoc.fr/item/CSIS_2018_15_3_a19/} }