1821 search results - page 176 / 365 » U-DBMS: A Database System for Managing Constantly-Evolving D... |
160
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DOCENG
2004
ACM
15 years 7 months ago
2004
ACM
With the wide adoption of XML as a standard data representation and exchange format, querying XML documents becomes increasingly important. However, relational database systems co...
121
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CCS
2007
ACM
15 years 8 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
143
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COOPIS
2004
IEEE
15 years 5 months ago
2004
IEEE
Mobile platforms combined with large databases promise new opportunities for mobile applications. However, mobile computing devices may experience frequent communication loss while...
116
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KDD
1998
ACM
15 years 6 months ago
1998
ACM
Huge masses of digital data about products, customers and competitors have become available for companies in the services sector. In order to exploit its inherent (and often hidde...
195
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SIGMOD
2009
ACM
16 years 2 months ago
2009
ACM
Sensor networks play a central role in applications that monitor variables in geographic areas such as the traffic volume on roads or the temperature in the environment. A key fea...