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Srivathsan Srinivasagopalan, Costas Busch and Sitharama Iyengar. Brief Announcement: Universal Data
Aggregation Trees for Sensor Networks in Low Doubling Metrics. Algosensors 2009, July 10-11, Rhodes, Greece.
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Wing Kai Hon, Rahul Shah and Shih Bin Wu. Efficient Index for Retrieving Top-k Most Frequent Documents.
16th String Processing and Information Retrieval Symposium, Saariselkä, Finland, 25–27 August 2009.
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Wing Kai Hon, Rahul Shah and Jeffrey Scott Vitter. Space-Efficient Framework for Top-k String Retrieval Problems.
50th Annual IEEE Symposium on Foundations of Computer Science, FOCS'09, Atlanta, Georgia, October 24-27, 2009.