2492 search results - page 386 / 499 » Ontology-based Database Access |
145
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
Separation of duties (SoD) is a key security requirement for many business and information systems. Role Based Access Controls (RBAC) is a relatively new paradigm for protecting i...
180
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MM
2005
ACM
15 years 11 months ago
2005
ACM
This work achieves full registration of scenes in a large area and creates visual indexes for visualization in a digital city. We explore effective mapping, indexing, and display ...
133
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VLDB
2005
ACM
15 years 11 months ago
2005
ACM
Heterogeneous and dirty data is abundant. It is stored under different, often opaque schemata, it represents identical real-world objects multiple times, causing duplicates, and ...
167
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CCS
2004
ACM
15 years 11 months ago
2004
ACM
Access control can be used to ensure that database queries pertaining to sensitive information are not answered. This is not enough to prevent users from learning sensitive inform...
141
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VLDB
2004
ACM
15 years 10 months ago
2004
ACM
Large boolean matrices are a basic representational unit in a variety of applications, with some notable examples being interactive visualization systems, mining large graph struc...