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VLDB
2004
ACM
119views Database» more  VLDB 2004»
14 years 7 months ago
Evaluating holistic aggregators efficiently for very large datasets
Indatawarehousingapplications,numerousOLAP queries involve the processing of holistic aggregators such as computing the "top n," median, quantiles, etc. In this paper, we...
Lixin Fu, Sanguthevar Rajasekaran
SDM
2012
SIAM
224views Data Mining» more  SDM 2012»
11 years 9 months ago
Nearest-Neighbor Search on a Time Budget via Max-Margin Trees
Many high-profile applications pose high-dimensional nearest-neighbor search problems. Yet, it still remains difficult to achieve fast query times for state-of-the-art approache...
Parikshit Ram, Dongryeol Lee, Alexander G. Gray
RSCTC
2000
Springer
143views Fuzzy Logic» more  RSCTC 2000»
13 years 11 months ago
On Efficient Construction of Decision Trees from Large Databases
The main task in decision tree construction algorithms is to find the "best partition" of the set of objects. In this paper, we investigate the problem of optimal binary ...
Hung Son Nguyen
ICDE
2006
IEEE
155views Database» more  ICDE 2006»
14 years 8 months ago
Designing and Evaluating an XPath Dialect for Linguistic Queries
Linguistic research and natural language processing employ large repositories of ordered trees. XML, a standard ordered tree model, and XPath, its associated language, are natural...
Steven Bird, Yi Chen, Susan B. Davidson, Haejoong ...
PVLDB
2010
135views more  PVLDB 2010»
13 years 5 months ago
SXPath - Extending XPath towards Spatial Querying on Web Documents
Querying data from presentation formats like HTML, for purposes such as information extraction, requires the consideration of tree structures as well as the consideration of spati...
Ermelinda Oro, Massimo Ruffolo, Steffen Staab