1487 search results - page 86 / 298 » Representing and Querying Data Transformations |
133
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DAWAK
2006
Springer
15 years 5 months ago
2006
Springer
Though in most data warehousing applications no relevance is given to the time when events are recorded, some domains call for a different behavior. In particular, whenever late re...
121
Voted
PODS
2008
ACM
16 years 1 months ago
2008
ACM
We present a formal framework for capturing the provenance of data appearing in XQuery views of XML. Building on previous work on relations and their (positive) query languages, w...
196
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ICDE
2005
IEEE
16 years 2 months ago
2005
IEEE
Sequence-based XML indexing aims at avoiding expensive join operations in query processing. It transforms structured XML data into sequences so that a structured query can be answ...
141
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BIBE
2003
IEEE
15 years 6 months ago
2003
IEEE
We present a multi-dimensional indexing approach for fast sequence similarity search in DNA and protein databases. In particular, we propose effective transformations of subsequen...
109
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GRID
2007
Springer
15 years 5 months ago
2007
Springer
We propose strategies to efficiently execute a query workload, which consists of multiple related queries submitted against a scientific dataset, on a distributed-memory system in...