2 search results - page 1 / 1 » Cost-Based Optimization for Magic: Algebra and Implementatio... |
SIGMOD
1996
ACM
15 years 2 months ago
1996
ACM
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...