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This paper was reprinted from Proceedings of the 2010 Eleventh International Conference on Mobile Data Management (MDM) pp. 354-359, and may be found http://dx.doi.org/10.1109/MDM.2010.44 access via this link is only available with a subscription. A full text version is available above.
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Proceedings of the 2010 Eleventh International Conference on Mobile Data Management (MDM), pp. 354-359