Wenfei Fan, Floris Geerts, Jef Wijsen. Determining the Currency of Data. ACM Trans. Database Syst., 37(4):25, 2012. [doi]
@article{FanGW12-4,
title = {Determining the Currency of Data},
author = {Wenfei Fan and Floris Geerts and Jef Wijsen},
year = {2012},
doi = {10.1145/2389241.2389244},
url = {http://doi.acm.org/10.1145/2389241.2389244},
researchr = {https://researchr.org/publication/FanGW12-4},
cites = {0},
citedby = {0},
journal = {ACM Trans. Database Syst.},
volume = {37},
number = {4},
pages = {25},
}