6974 search results - page 377 / 1395 » Querying Semi-Structured Data |
165
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VLDB
2005
ACM
16 years 8 days ago
2005
ACM
This demo presents Hyperion, a prototype system that supports data sharing for a network of independent Peer Relational Database Management Systems (PDBMSs). The nodes of such a n...
168
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APWEB
2004
Springer
16 years 6 days ago
2004
Springer
Queries to data warehouses often involve hundreds of complex aggregations over large volumes of data, and so it is infeasible to compute these queries by scanning the data sources ...
185
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ISAAC
2004
Springer
16 years 5 days ago
2004
Springer
We propose a space-efficient scheme for summarizing multidimensional data streams. Our sketch can be used to solve spatial versions of several classical data stream queries effici...
182
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DEXAW
2005
IEEE
15 years 8 months ago
2005
IEEE
In this paper, we study semistructured data and indexes preserving inclusion constraints. A semistructured datum is modelled by multi-rooted edge-labeled directed graphs. We consi...
171
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INFSOF
2006
15 years 6 months ago
2006
The parametric data model captures an object in terms of a single tuple. This feature eliminates unnecessary self-join operations to combine tuples scattered in a temporal relatio...