@article{efron:2008b,
author = {Miles Efron},
title = {Query expansion and dimensionality reduction: Notions of optimality in Rocchio relevance feedback and latent semantic indexing},
journal = {Inf. Process. Manage.},
volume = {44},
number = {1},
year = {2008},
issn = {0306-4573},
pages = {163--180},
doi = {http://dx.doi.org/10.1016/j.ipm.2006.12.008},
publisher = {Pergamon Press, Inc.},
address = {Tarrytown, NY, USA},
}