[ACM Press the 20th ACM international co
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Christoforaki, Maria; He, Jinru; Dimopoulos, Constantinos; Markowetz, Alexander;
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Article
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2011
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ACM Press
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Many web search services allow users to constrain text queries to a geographic location (e.g., yoga classes near Santa Monica). Important examples include local search engines such as Google Local and location-based search services for smart phones. Several research groups have studied the efficient