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SIGMOD
2001
ACM
108views Database» more  SIGMOD 2001»
14 years 7 months ago
PREFER: A System for the Efficient Execution of Multi-parametric Ranked Queries
Users often need to optimize the selection of objects by appropriately weighting the importance of multiple object attributes. Such optimization problems appear often in operation...
Vagelis Hristidis, Nick Koudas, Yannis Papakonstan...
CORR
2010
Springer
126views Education» more  CORR 2010»
13 years 7 months ago
RDFViewS: A Storage Tuning Wizard for RDF Applications
In recent years, the significant growth of RDF data used in numerous applications has made its efficient and scalable manipulation an important issue. In this paper, we present RD...
François Goasdoué, Konstantinos Kara...
IV
2002
IEEE
129views Visualization» more  IV 2002»
14 years 13 days ago
Design and Implementation of a Visual Query Language for Large Spatial Databases
In this paper a visual approach to querying in large spatial databases is presented. A diagrammatic technique utilising a data flow metaphor is used to express different kinds of...
Andrew J. Morris, Alia I. Abdelmoty, Douglas Tudho...
GIS
2008
ACM
14 years 8 months ago
Should SDBMS support a join index?: a case study from CrimeStat
Given a spatial crime data warehouse, that is updated infrequently and a set of operations O as well as constraints of storage and update overheads, the index type selection probl...
Pradeep Mohan, Ronald E. Wilson, Shashi Shekhar, B...
SIGMOD
2011
ACM
270views Database» more  SIGMOD 2011»
12 years 10 months ago
Automatic discovery of attributes in relational databases
In this work we design algorithms for clustering relational columns into attributes, i.e., for identifying strong relationships between columns based on the common properties and ...
Meihui Zhang, Marios Hadjieleftheriou, Beng Chin O...