Keyphrases
- shortest path
- minimum length
- shortest path problem
- path queries
- flow graph
- spatial networks
- road network
- reverse nearest neighbor
- shortest path algorithm
- routing algorithm
- shortest distance
- response time
- query language
- travel time
- geodesic distance
- complex queries
- query evaluation
- dijkstra algorithm
- finding the shortest path
- optimal path
- path length
- path selection
- spatial databases
- steiner tree
- sensor networks
- strongly connected components
- query processing