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174
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SDMW
2004
Springer
16 years 6 days ago
2004
Springer
In a database system, authorization-based access-control is generally the first line of defense, preventing unauthorized accesses to secret or sensitive data. However, this mechan...
193
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SEM
2004
Springer
16 years 6 days ago
2004
Springer
Resource management is a precondition to build reliable, extensible middleware and to host potentially untrusted user components. Resource accounting allows to charge users for the...
185
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VLDB
2004
ACM
16 years 6 days ago
2004
ACM
XML languages, such as XQuery, XSLT and SQL/XML, employ XPath as the search and extraction language. XPath expressions often define complicated navigation, resulting in expensive...
188
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VLDB
2004
ACM
16 years 6 days ago
2004
ACM
Relational database systems may be turned into efficient XML and XPath processors if the system is provided with a suitable relational tree encoding. This paper extends this relat...
153
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WAIM
2004
Springer
16 years 6 days ago
2004
Springer
Efficient full-text searching is a big challenge in Peer-to-Peer (P2P) system. Recently, Distributed Hash Table (DHT) becomes one of the reliable communication schemes for P2P. Som...