5954 search results - page 1066 / 1191 » Querying Bi-level Information |
296
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POPL
2004
ACM
16 years 6 months ago
2004
ACM
We aim to specify program transformations in a declarative style, and then to generate executable program transformers from such specifications. Many transformations require non-t...
259
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VLDB
2004
ACM
16 years 6 months ago
2004
ACM
With the recent and continuing advances in areas such as wireless communications and positioning technologies, mobile, locationbased services are becoming possible. Such services ...
258
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
Estimating the cardinality (i.e. number of distinct elements) of an arbitrary set expression defined over multiple distributed streams is one of the most fundamental queries of in...
246
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VLDB
2007
ACM
16 years 6 months ago
2007
ACM
We consider systems for data sharing among heterogeneous peers related by a network of schema mappings. Each peer has a locally controlled and edited database instance, but wants ...
263
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Content-based dissemination of XML data using the publishsubscribe paradigm is an effective means to deliver relevant data to interested data consumers. To meet the performance ch...