Brian E. Ruttenberg, Ambuj K. Singh. Indexing the Earth Mover's Distance Using Normal Distributions. PVLDB, 5(3):205-216, 2011. [doi]
@article{RuttenbergS11,
title = {Indexing the Earth Mover's Distance Using Normal Distributions},
author = {Brian E. Ruttenberg and Ambuj K. Singh},
year = {2011},
url = {http://www.vldb.org/pvldb/vol5/p205_brianeruttenberg_vldb2012.pdf},
researchr = {https://researchr.org/publication/RuttenbergS11},
cites = {0},
citedby = {0},
journal = {PVLDB},
volume = {5},
number = {3},
pages = {205-216},
}