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SYRCODIS
2008
184views Database» more  SYRCODIS 2008»
15 years 3 months ago
Towards Cost-based Query Optimization in Native XML Database Management Systems
In the last few years, XML became a de-facto standard for the exchange of structured and semi-structured data. The database research community took this development into account b...
Andreas M. Weiner, Christian Mathis, Theo Här...
BNCOD
2003
127views Database» more  BNCOD 2003»
15 years 3 months ago
Performance Evaluation and Analysis of K-Way Join Variants for Association Rule Mining
Data mining aims at discovering important and previously unknown patterns from the dataset in the underlying database. Database mining performs mining directly on data stored in r...
P. Mishra, Sharma Chakravarthy
PARLE
1993
15 years 6 months ago
Arithmetic for Parallel Linear Recursive Query Evaluation in Deductive Databases
: An arithmetic approach, such as the Level-Finding method described in this paper for evaluating linear recursive queries in deductive database systems provides great potential fo...
Jerome Robinson, Shutian Lin
IDEAS
2010
IEEE
238views Database» more  IDEAS 2010»
15 years 1 months ago
An integrative approach to query optimization in native XML database management systems
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
Andreas M. Weiner, Theo Härder
109
Voted
SSD
1999
Springer
99views Database» more  SSD 1999»
15 years 6 months ago
Algorithms for Joining R-Trees and Linear Region Quadtrees
The family of R-trees is suitable for storing various kinds of multidimensional objects and is considered an excellent choice for indexing a spatial database. Region Quadtrees are ...
Antonio Corral, Michael Vassilakopoulos, Yannis Ma...