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CIKM
2010
Springer
13 years 6 months ago
Preference query evaluation over expensive attributes
Most database systems allow query processing over attributes that are derived at query runtime (e.g., user-defined functions and remote data calls to web services), making them e...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...
MOBIDE
2005
ACM
14 years 1 months ago
A general methodology for context-aware data access
In this paper, we present an extensible approach to the adaptation of Web information delivery according to different and possibly heterogeneous contexts. The approach is based o...
Roberto De Virgilio, Riccardo Torlone
KES
2004
Springer
14 years 1 months ago
Decision Support System on the Grid
Aero engines are extremely reliable machines and operational failures are rare. However, currently great effort is being put into reducing the number of in-flight engine shutdowns,...
Max Ong, Xiaoxu Ren, J. Allan, Visakan Kadirkamana...
VLDB
2001
ACM
123views Database» more  VLDB 2001»
14 years 5 days ago
User-Optimizer Communication using Abstract Plans in Sybase ASE
imizer Communication using Abstract Plans in Sybase ASE Query optimizers are error prone, due to both their nature and the increased search space that modern query processing requ...
Mihnea Andrei, Patrick Valduriez
DKE
2006
123views more  DKE 2006»
13 years 7 months ago
Cost models for distance joins queries using R-trees
The K-Closest-Pairs Query (K-CPQ), a type of distance join in spatial databases, discovers the K pairs of objects formed from two different datasets with the K smallest distances....
Antonio Corral, Yannis Manolopoulos, Yannis Theodo...