The Limits of Greed The story begins in 1956, when the Dutch computer scientist Edsger Dijkstra developed a fast algorithm to find shortest paths on a graph with only positive weights. To understand ...

Rather than a simple node-to-node algorithm, A* considers the entirety of the nodes, and may skip nearby nodes in order to achieve an overall shorter path between the source and destination.

If you’ve been making the same commute for a long time, you’ve probably settled on what seems like the best route. But “best” is a slippery concept. Perhaps one day there’s an accident or road closure ...

It combines techniques from Bellman-Ford, a slower algorithm and Dijkstra’s to improve runtime. It minimizies reliance on priority queue sorting by processing multiple nodes (the “frontier”) at once ...

The paper considers a project scheduling problem in weighted directed graphs in which arcs represent operations while nodes are identified with starting and finishing endpoints of the operations; arc ...