4074 search results - page 645 / 815 » Abstract Graph Transformation |
116
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RECOMB
2008
Springer
16 years 2 months ago
2008
Springer
We study the problem of transforming a multichromosomal genome into another using Double-Cut-and-Join (DCJ) operations. We introduce the notion of DCJ scenario that does not break ...
202
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VLDB
2004
ACM
16 years 2 months ago
2004
ACM
Abstract This paper describes the design, implementation, and performance characteristics of a commercial XQuery processing engine, the BEA streaming XQuery processor. This XQuery ...
188
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VLDB
2004
ACM
16 years 2 months ago
2004
ACM
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
206
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VLDB
2008
ACM
16 years 2 months ago
2008
ACM
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...
EDBT
2006
ACM
16 years 2 months ago
2006
ACM
Abstract. Physical database design tools rely on a DBA-provided workload to pick an "optimal" set of indexes and materialized views. Such an approach fails to capture sce...