@article{efron:2006,
author = {Miles Efron},
title = {Using cocitation information to estimate political orientation in web documents},
journal = {Knowl. Inf. Syst.},
volume = {9},
number = {4},
year = {2006},
issn = {0219-1377},
pages = {492--511},
doi = {http://dx.doi.org/10.1007/sl0115-005-0214-9},
publisher = {Springer-Verlag New York, Inc.},
address = {New York, NY, USA},
}