2850 search results - page 209 / 570 » Answering Queries using Humans, Algorithms and Databases |
191
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EDBT
2010
ACM
16 years 1 months ago
2010
ACM
When selecting alternatives from large amounts of data, trade-offs play a vital role in everyday decision making. In databases this is primarily reflected by the top-k retrieval p...
178
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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...
212
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ICDT
2011
ACM
14 years 10 months ago
2011
ACM
Provenance in scientific workflows is a double-edged sword. On the one hand, recording information about the module executions used to produce a data item, as well as the parame...
334
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GIS
2005
ACM
16 years 7 months ago
2005
ACM
Recent advances in low-power sensing devices coupled with the widespread availability of wireless ad-hoc networks have fueled the development of sensor networks. These are typical...
199
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ICDE
2010
IEEE
15 years 11 months ago
2010
IEEE
— When a database system is extended with the skyline operator, it is important to determine the most efficient way to execute a skyline query across tables with join operations...