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ICDE
2007
IEEE
113views Database» more  ICDE 2007»
16 years 6 months ago
Reducing Order Enforcement Cost in Complex Query Plans
Algorithms that exploit sort orders are widely used to implement joins, grouping, duplicate elimination and other set operations. Query optimizers traditionally deal with sort ord...
Ravindra Guravannavar, S. Sudarshan
ICDE
2006
IEEE
139views Database» more  ICDE 2006»
16 years 6 months ago
DaWaII: a Tool for the Integration of Autonomous Data Marts
DaWaII (Data Warehouse IntegratIon) is a tool for supporting the various activities related to the integration of multidimensional databases. This problem arises in common scenari...
Luca Cabibbo, Ivan Panella, Riccardo Torlone
ICDE
2006
IEEE
178views Database» more  ICDE 2006»
16 years 6 months ago
Declarative Querying for Biological Sequences
The ongoing revolution in life sciences research is producing vast amounts of genetic and proteomic sequence data. Scientists want to pose increasingly complex queries on this dat...
Sandeep Tata, Jignesh M. Patel, James S. Friedman,...
ICDE
2002
IEEE
130views Database» more  ICDE 2002»
16 years 6 months ago
Structural Joins: A Primitive for Efficient XML Query Pattern Matching
XML queries typically specify patterns of selection predicates on multiple elements that have some specified tree structured relationships. The primitive tree structured relations...
Shurug Al-Khalifa, H. V. Jagadish, Jignesh M. Pate...
ICDE
2002
IEEE
126views Database» more  ICDE 2002»
16 years 6 months ago
Sequenced Subset Operators: Definition and Implementation
Difference, intersection, semi-join and anti-semi-join may be considered binary subset operators, in that they all return a subset of their left-hand argument. These operators are...
Joseph Dunn, Sean Davey, Anne Descour, Richard T. ...