Yen-Yu Chen, Torsten Suel, Alexander Markowetz. Efficient query processing in geographic web search engines. In Surajit Chaudhuri, Vagelis Hristidis, Neoklis Polyzotis, editors, Proceedings of the ACM SIGMOD International Conference on Management of Data, Chicago, Illinois, USA, June 27-29, 2006. pages 277-288, ACM, 2006. [doi]
Abstract is missing.