964 search results - page 48 / 193 » Efficiently Ordering Query Plans for Data Integration |
188
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DEXA
2009
Springer
15 years 8 months ago
2009
Springer
Data intensive applications in Life Sciences extensively use the Hidden Web as a platform for information sharing. Access to these heterogeneous Hidden Web resources is limited thr...
169
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SIGMOD
2011
ACM
14 years 7 months ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...
164
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CCS
2008
ACM
15 years 6 months ago
2008
ACM
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
147
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MOBIDE
2005
ACM
15 years 10 months ago
2005
ACM
Query processing on mobile sensor networks requires efficient indexing and partitioning of the data space to support efficient routing as the network scales up. Building an index ...
157
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SIGMOD
1998
ACM
15 years 8 months ago
1998
ACM
Most databases contain “name constants” like course numbers, personal names, and place names that correspond to entities in the real world. Previous work in integration of het...