@inproceedingsAhl2009, Author = {Ahlers, Dirk and Boll, Susanne}, Title = {Adaptive Geospatially Focused Crawling}, Year = {2009}, Month = {01}, Editor = {ACM}, Isbn = {978-1-60558-512-3}, Booktitle = {Proceeding of the 18th ACM conference on Information and knowledge management}, type = {inproceedings} @COMMENTBibtex file generated on