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» Query Processing and Optimization for Pictorial Query Trees
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WISE
2006
Springer
15 years 4 months ago
Efficient Filtering Query Indexing in Data Stream
Filtering queries are widely used in data stream applications. As more and more filtering queries are registered in high-speed data stream management system, the processing efficie...
Ying Wang, Shuo Bai, Jianlong Tan, Li Guo
ICDE
2008
IEEE
132views Database» more  ICDE 2008»
15 years 11 months ago
Greedy List Intersection
A common technique for processing conjunctive queries is to first match each predicate separately using an index lookup, and then compute the intersection of the resulting rowid li...
Robert Krauthgamer, Aranyak Mehta, Vijayshankar Ra...
SIGMOD
2009
ACM
114views Database» more  SIGMOD 2009»
15 years 10 months ago
A framework for testing query transformation rules
In order to enable extensibility, modern query optimizers typically leverage a transformation rule based framework. Testing individual rule correctness as well as correctness of r...
Hicham G. Elmongui, Vivek R. Narasayya, Ravishanka...
COOPIS
2004
IEEE
15 years 1 months ago
EMMA - A Query Algebra for Enhanced Multimedia Meta Objects
Enhanced Multimedia Meta Objects (EMMOs) are a novel approach to multimedia content modeling, combining media, semantic relationships between those media, as well as functionality ...
Sonja Zillner, Utz Westermann, Werner Winiwarter
SODA
2012
ACM
208views Algorithms» more  SODA 2012»
13 years 18 days ago
Partial match queries in random quadtrees
We consider the problem of recovering items matching a partially specified pattern in multidimensional trees (quad trees and k-d trees). We assume the traditional model where the...
Nicolas Broutin, Ralph Neininger, Henning Sulzbach