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VLDB
2002
ACM
133views Database» more  VLDB 2002»
14 years 8 months ago
Tree pattern query minimization
: Purpose ? Tree pattern is at the core of XML queries. The tree patterns in XML queries typically contain redundancies, especially when broad integrity constraints (ICs) are prese...
Sihem Amer-Yahia, SungRan Cho, Laks V. S. Lakshman...
ICDE
2000
IEEE
168views Database» more  ICDE 2000»
14 years 9 months ago
PAC Nearest Neighbor Queries: Approximate and Controlled Search in High-Dimensional and Metric Spaces
In high-dimensional and complex metric spaces, determining the nearest neighbor (NN) of a query object ? can be a very expensive task, because of the poor partitioning operated by...
Paolo Ciaccia, Marco Patella
EDBT
1992
ACM
111views Database» more  EDBT 1992»
13 years 11 months ago
Pipelined Query Processing in the DBGraph Storage Model
The DBGraph storage model, designed for main memory DBMS, ensures both data storage compactness and efficient processing for all database operations. By representing the entire da...
Philippe Pucheral, Jean-Marc Thévenin
CSB
2005
IEEE
155views Bioinformatics» more  CSB 2005»
14 years 1 months ago
BioNavigation: Using Ontologies to Express Meaningful Navigational Queries Over Biological Resources
Exploiting the complex maze of publicly available Biological resources to implement scientific data collection pipelines poses a multitude of challenges to biologists in accurate...
Zoé Lacroix, Kaushal Parekh, Maria-Esther V...
DEXA
2005
Springer
112views Database» more  DEXA 2005»
14 years 1 months ago
Distribution Rules for Array Database Queries
Abstract. Non-trivial retrieval applications involve complex computations on large multi-dimensional datasets. These should, in principle, benefit from the use of relational datab...
Alex van Ballegooij, Roberto Cornacchia, Arjen P. ...