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» Evaluating Top-k Selection Queries
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CORR
2010
Springer
66views Education» more  CORR 2010»
13 years 7 months ago
Query strategy for sequential ontology debugging
Abstract. Debugging is an important prerequisite for the wide-spread application of ontologies, especially in areas that rely upon everyday users to create and maintain knowledge b...
Kostyantyn M. Shchekotykhin, Gerhard Friedrich
ILP
2003
Springer
14 years 27 days ago
Query Optimization in Inductive Logic Programming by Reordering Literals
Query optimization is used frequently in relational database management systems. Most existing techniques are based on reordering the relational operators, where the most selective...
Jan Struyf, Hendrik Blockeel
KDD
2009
ACM
227views Data Mining» more  KDD 2009»
14 years 8 months ago
Efficiently learning the accuracy of labeling sources for selective sampling
Many scalable data mining tasks rely on active learning to provide the most useful accurately labeled instances. However, what if there are multiple labeling sources (`oracles...
Pinar Donmez, Jaime G. Carbonell, Jeff Schneider
DKE
1999
118views more  DKE 1999»
13 years 7 months ago
Designing Data Warehouses
A Data Warehouse DW is a database that collects and stores data from multiple remote and heterogeneous information sources. When a query is posed, it is evaluated locally, without...
Dimitri Theodoratos, Timos K. Sellis
ICDE
2001
IEEE
149views Database» more  ICDE 2001»
14 years 9 months ago
Selectivity Estimation for Spatial Joins
Spatial Joins are important and time consuming operations in spatial database management systems. It is crucial to be able to accurately estimate the performance of these operatio...
Ning An, Zhen-Yu Yang, Anand Sivasubramaniam