@Inproceedings\{IvoMigueldaQuintaAnastácio_2_2010,
author = {Ivo Miguel da Quinta Anastácio and Bruno Martins and Pável Calado},
title = {Using the Geographic Scopes of Web Documents for Contextual Advertising},
booktitle = {6th Workshop on Geographic Information Retrieval},
publisher = {ACM},
location = {Zurich, Switzerland},
year = {2010},
month = {February},
}