686 search results - page 4 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
DEXAW
2008
IEEE
15 years 3 months ago
2008
IEEE
The aim of this work is to provide a robust way for peers with heterogeneous data sources to exchange information in an unreliable network. We address this problem in two ways. Fi...
105
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SIGMOD
2004
ACM
15 years 9 months ago
2004
ACM
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
ICDT
2010
ACM
15 years 2 months ago
2010
ACM
In XML data exchange, a schema mapping specifies rules for restructuring a source document under the target schema, and queries over the target document must be answered in a way...
154
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PODS
2009
ACM
15 years 10 months ago
2009
ACM
An inverse of a schema mapping M is intended to "undo" what M does, thus providing a way to perform "reverse" data exchange. In recent years, three different f...
76
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DEXA
2005
Springer
15 years 3 months ago
2005
Springer
In relational database systems a combination of privileges and views is employed to limit a user’s access and to hide non-public data. The data privacy problem is to decide wheth...