Route planning in transportation networks
We survey recent advances in algorithms for route planning in transportation networks. For
road networks, we show that one can compute driving directions in milliseconds or less even …
road networks, we show that one can compute driving directions in milliseconds or less even …
An experimental study on hub labeling based shortest path algorithms
Shortest path distance retrieval is a core component in many important applications. For a
decade, hub labeling (HL) techniques have been considered as a practical solution with fast …
decade, hub labeling (HL) techniques have been considered as a practical solution with fast …
Hierarchical Cut Labelling-Scaling Up Distance Queries on Road Networks
Answering the shortest-path distance between two arbitrary locations is a fundamental
problem in road networks. Labelling-based solutions are the current state-of-the-arts to …
problem in road networks. Labelling-based solutions are the current state-of-the-arts to …
Planting trees for scalable and efficient canonical hub labeling
Point-to-Point Shortest Distance (PPSD) query is a crucial primitive in graph database
applications. Hub labeling algorithms compute a labeling that converts a PPSD query into a …
applications. Hub labeling algorithms compute a labeling that converts a PPSD query into a …
[PDF][PDF] Scalable landmark hub labeling for optimal and bounded suboptimal pathfinding
S Storandt - Proceedings of the Thirty-Third International Joint …, 2024 - ijcai.org
Hub Labeling and A* are two well-established algorithms for shortest path computation in
large graphs. Hub Labeling offers excellent query times for distance computation, but at the …
large graphs. Hub Labeling offers excellent query times for distance computation, but at the …
Compressing optimal paths with run length encoding
B Strasser, A Botea, D Harabor - Journal of Artificial Intelligence Research, 2015 - jair.org
We introduce a novel approach to Compressed Path Databases, space efficient oracles
used to very quickly identify the first edge on a shortest path. Our algorithm achieves query …
used to very quickly identify the first edge on a shortest path. Our algorithm achieves query …
Parallelizing pruned landmark labeling: dealing with dependencies in graph algorithms
To help compute shortest path distances over large graphs efficiently, 2-hop labeling has
emerged as a major tool, with Pruned Landmark Labeling (PPL) as a popular algorithm. This …
emerged as a major tool, with Pruned Landmark Labeling (PPL) as a popular algorithm. This …
HFGNN: Efficient Graph Neural Networks Using Hub-Fringe Structures
Existing message passing-based and transformer-based graph neural networks (GNNs)
cannot satisfy requirements for learning representative graph embeddings due to restricted …
cannot satisfy requirements for learning representative graph embeddings due to restricted …
[HTML][HTML] Faster algorithms for mining shortest-path distances from massive time-evolving graphs
M D'Emidio - Algorithms, 2020 - mdpi.com
Computing shortest-path distances is a fundamental primitive in the context of graph data
mining, since this kind of information is essential in a broad range of prominent applications …
mining, since this kind of information is essential in a broad range of prominent applications …
Algorithmic and hardness results for the hub labeling problem
H Angelidakis, Y Makarychev, V Oparin - … of the Twenty-Eighth Annual ACM …, 2017 - SIAM
There has been significant success in designing highly efficient algorithms for distance and
shortest-path queries in recent years; many of the state-of-the-art algorithms use the hub …
shortest-path queries in recent years; many of the state-of-the-art algorithms use the hub …