Junghoo Cho, Hector Garcia-Molina. Effective page refresh policies for Web crawlers. ACM Trans. Database Syst., 28(4):390-426, 2003. [doi]
@article{ChoG03,
title = {Effective page refresh policies for Web crawlers},
author = {Junghoo Cho and Hector Garcia-Molina},
year = {2003},
doi = {10.1145/958942.958945},
url = {http://doi.acm.org/10.1145/958942.958945},
researchr = {https://researchr.org/publication/ChoG03},
cites = {0},
citedby = {0},
journal = {ACM Trans. Database Syst.},
volume = {28},
number = {4},
pages = {390-426},
}