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» A Genetic Algorithm for Database Query Optimization
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DASFAA
2004
IEEE
169views Database» more  DASFAA 2004»
14 years 16 days ago
Statistic Driven Acceleration of Object-Relational Space-Partitioning Index Structures
Relational index structures, as for instance the Relational Interval Tree or the Linear Quadtree, support efficient processing of queries on top of existing object-relational datab...
Hans-Peter Kriegel, Peter Kunath, Martin Pfeifle, ...
DASFAA
2007
IEEE
174views Database» more  DASFAA 2007»
14 years 3 months ago
Efficient Holistic Twig Joins in Leaf-to-Root Combining with Root-to-Leaf Way
Finding all the occurrences of a twig pattern on multiple elements in an XML document is a core operation for efficient evaluation of XML queries. Holistic twig join algorithms, Tw...
Guoliang Li, Jianhua Feng, Yong Zhang, Lizhu Zhou
DBSEC
2006
131views Database» more  DBSEC 2006»
13 years 10 months ago
Interactive Analysis of Attack Graphs Using Relational Queries
Abstract. Attack graph is important in defending against well-orchestrated network intrusions. However, the current analysis of attack graphs requires an algorithm to be developed ...
Lingyu Wang, Chao Yao, Anoop Singhal, Sushil Jajod...
SSD
2007
Springer
243views Database» more  SSD 2007»
14 years 2 months ago
Continuous Medoid Queries over Moving Objects
In the k-medoid problem, given a dataset P, we are asked to choose k points in P as the medoids. The optimal medoid set minimizes the average Euclidean distance between the points ...
Stavros Papadopoulos, Dimitris Sacharidis, Kyriako...
ICDE
2008
IEEE
171views Database» more  ICDE 2008»
14 years 10 months ago
Usage-Based Schema Matching
Existing techniques for schema matching are classified as either schema-based, instance-based, or a combination of both. In this paper, we define a new class of techniques, called ...
Hazem Elmeleegy, Mourad Ouzzani, Ahmed K. Elmagarm...