@article{CSIS_2020_17_3_a17,
     author = {M. Kopecky and P. Vojtas},
     title = {Visual {E-Commerce} {Values} {Filtering} {Framework} with {Spatial} {Database} metric},
     journal = {Computer Science and Information Systems},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {2020},
     url = {http://geodesic.mathdoc.fr/item/CSIS_2020_17_3_a17/}
}