@InProceedings{chechik_et_al:LIPIcs.APPROX-RANDOM.2015.659,
  author =	{Chechik, Shiri and Cohen, Edith and Kaplan, Haim},
  title =	{{Average Distance Queries through Weighted Samples in Graphs and Metric Spaces: High Scalability with Tight Statistical Guarantees}},
  booktitle =	{Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques (APPROX/RANDOM 2015)},
  pages =	{659--679},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-89-7},
  ISSN =	{1868-8969},
  year =	{2015},
  volume =	{40},
  editor =	{Garg, Naveen and Jansen, Klaus and Rao, Anup and Rolim, Jos\'{e} D. P.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.APPROX-RANDOM.2015.659},
  URN =		{urn:nbn:de:0030-drops-53291},
  doi =		{10.4230/LIPIcs.APPROX-RANDOM.2015.659},
  annote =	{Keywords: Closeness Centrality; Average Distance; Metric Space; Weighted Sampling}
}