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» Approximate Query Answering in Locally Closed Databases
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PODS
2003
ACM
143views Database» more  PODS 2003»
15 years 10 months ago
Maintaining variance and k-medians over data stream windows
The sliding window model is useful for discounting stale data in data stream applications. In this model, data elements arrive continually and only the most recent N elements are ...
Brian Babcock, Mayur Datar, Rajeev Motwani, Liadan...
VLDB
2008
ACM
147views Database» more  VLDB 2008»
15 years 10 months ago
Tree-based partition querying: a methodology for computing medoids in large spatial datasets
Besides traditional domains (e.g., resource allocation, data mining applications), algorithms for medoid computation and related problems will play an important role in numerous e...
Kyriakos Mouratidis, Dimitris Papadias, Spiros Pap...
VLDB
2005
ACM
115views Database» more  VLDB 2005»
15 years 3 months ago
KLEE: A Framework for Distributed Top-k Query Algorithms
This paper addresses the efficient processing of top-k queries in wide-area distributed data repositories where the index lists for the attribute values (or text terms) of a query...
Sebastian Michel, Peter Triantafillou, Gerhard Wei...
SIGOPS
2010
126views more  SIGOPS 2010»
14 years 8 months ago
Scaling a monitoring infrastructure for the Akamai network
We describe the design of, and experience with, Query, a monitoring system that supports the Akamai EdgePlatform. Query is a foundation of Akamai’s approach to administering its...
Thomas Repantis, Jeff Cohen, Scott Smith, Joel Wei...
ADBIS
2001
Springer
107views Database» more  ADBIS 2001»
15 years 1 months ago
The Impact of Buffering on Closest Pairs Queries Using R-Trees
In this paper, the most appropriate buffer structure, page replacement policy and buffering scheme for closest pairs queries, where both spatial datasets are stored in R-trees, are...
Antonio Corral, Michael Vassilakopoulos, Yannis Ma...