Akiba, T., Hayashi, T., Nori, N., Iwata, Y. and Yoshida, Y. 2015. Efficient Top-k Shortest-Path Distance Queries on Large Networks by Pruned Landmark Labeling. Proceedings of the AAAI Conference on Artificial Intelligence. 29, 1 (Feb. 2015). DOI:https://doi.org/10.1609/aaai.v29i1.9154.