A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate these coordinates by substituting values into the ...

Abstract: An efficient implicit representation of an n-vertex graph G in a family $\mathcal{F}$ of graphs assigns to each vertex of G a binary code of length O(log n) so that the adjacency between ...

Abstract: In the background of the continuous development of information technology and big data, retail enterprises have accumulated massive data. In order to fully use these data and intuitively ...