Well, if I remember my graph theory well enough, if A is the adjacency matrix of the graph, each entry of A^n is the number of ways to get between the corresponding nodes in n steps or less. So, to do ...

In algorithms, as in life, negativity can be a drag. Consider the problem of finding the shortest path between two points on a graph — a network of nodes connected by links, or edges. Often, these ...

Move over, 10 blue links. Google Knowledge Graph is the search giant's latest attempt to provide direct answers in its results instead of just sending people elsewhere. The new feature, which is ...