3591 search results - page 499 / 719 » Typing linear constraints |
195
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CIKM
2004
Springer
15 years 12 months ago
2004
Springer
Document-centric XML collections contain text-rich documents, marked up with XML tags that add lightweight semantics to the text. Querying such collections calls for a hybrid quer...
185
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ESORICS
2007
Springer
15 years 10 months ago
2007
Springer
We propose the role-and-relation-based access control (R2 BAC) model for workflow systems. In R2 BAC, in addition to a user's role memberships, the user's relationships w...
174
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DATE
2004
IEEE
15 years 10 months ago
2004
IEEE
A distributed sensor network (DSN) designed to cover a given region R, is said to be alive if there is at least one subset of sensors that can collectively cover (sense) the regio...
183
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DGO
2007
15 years 8 months ago
2007
Government agencies globally are facing problems such as illegal immigration, terrorism, and disease diagnosis and control. Solutions to these problems rely heavily on collaborati...
193
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OPODIS
2004
15 years 8 months ago
2004
Embedded Systems are components integrating software and hardware jointly and specifically designed to provide given functionalities. These components may be used in many different...