3009 search results - page 59 / 602 » The Expressive Rate of Constraints |
SIGMOD
2009
ACM
14 years 10 months ago
2009
ACM
Whether beloved or despised, XML Schema is momentarily the only industrially accepted schema language for XML and is unlikely to become obsolete any time soon. Nevertheless, many ...
POLICY
2004
Springer
14 years 3 months ago
2004
Springer
We study the specification of access control policy in large-scale distributed systems. Our work on real-world policies has shown that standard policy idioms such as role hierarc...
JCSS
2000
13 years 9 months ago
2000
We investigate a class of path constraints that is of interest in connection with both semistructured and structured data. In standard database systems, constraints are typically ...
DCC
2007
IEEE
14 years 9 months ago
2007
IEEE
We consider a first-order Markov source, which is predictively encoded using a DPCM-style encoder. The quantized compressed prediction residual is transmitted over an erasure chan...
IH
1998
Springer
14 years 2 months ago
1998
Springer
Theoretical modeling of watermarks allow prediction of the detector reliability and facilitates the development of more reliable systems. In particular, mathematical evaluation is ...