@inproceedings{Li2014Improving,
    author = {Shuo Li and Meiqian Wang and Eric W. M. Wong and M. Zukerman},
    title = {Improving {OBS} efficiency},
    booktitle = {Proc. ICTON 2014},
    address = {Graz, Austria},
    month = {July},
    year = {2014}
}