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» Query Processing and Optimization for Pictorial Query Trees
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JGTOOLS
2008
100views more  JGTOOLS 2008»
13 years 11 months ago
Proximity Cluster Trees
Hierarchical spatial data structures provide a means for organizing data for efficient processing. Most spatial data structures are optimized for performing queries, such as inters...
Elena Jakubiak Hutchinson, Sarah F. Frisken, Ronal...
CIDR
2011
228views Algorithms» more  CIDR 2011»
13 years 2 months ago
Crowdsourced Databases: Query Processing with People
Amazon’s Mechanical Turk (“MTurk”) service allows users to post short tasks (“HITs”) that other users can receive a small amount of money for completing. Common tasks on...
Adam Marcus 0002, Eugene Wu 0002, Samuel Madden, R...
ICDE
2010
IEEE
200views Database» more  ICDE 2010»
14 years 5 months ago
GenerIE: Information extraction using database queries
— Information extraction systems are traditionally implemented as a pipeline of special-purpose processing modules. A major drawback of such an approach is that whenever a new ex...
Luis Tari, Phan Huy Tu, Jörg Hakenberg, Yi Ch...
BTW
2007
Springer
142views Database» more  BTW 2007»
14 years 5 months ago
Algebraic Query Optimization for Distributed Top-k Queries
: Distributed top-k query processing is increasingly becoming an essential functionality in a large number of emerging application classes. This paper addresses the efficient alge...
Thomas Neumann, Sebastian Michel